/* packet-capwap.c * Routines for CAPWAP dissection (RFC 5415 / RFC5416) * Copyright 2009, Alexis La Goutte * * $Id$ * * Wireshark - Network traffic analyzer * By Gerald Combs * 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. */ #include "config.h" #include #include #include #include #include #include void proto_register_capwap_control(void); void proto_reg_handoff_capwap(void); #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; static gboolean global_capwap_draft_8_cisco = FALSE; static gboolean global_capwap_reassemble = TRUE; static gboolean global_capwap_swap_frame_control = TRUE; static reassembly_table capwap_reassembly_table; /* TODO LIST ! * add decryption of DLTS Message * add support of all Messages Element Type */ /* 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; static int hf_capwap_header_mac_length = -1; static int hf_capwap_header_mac_eui48 = -1; static int hf_capwap_header_mac_eui64 = -1; static int hf_capwap_header_mac_data = -1; static int hf_capwap_header_wireless_length = -1; static int hf_capwap_header_wireless_data = -1; 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; 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 = -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 = -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; static int hf_capwap_msg_element_type_ac_name = -1; static int hf_capwap_msg_element_type_ac_name_with_priority = -1; static int hf_capwap_msg_element_type_ac_ipv4_list = -1; static int hf_capwap_msg_element_type_ac_ipv6_list = -1; 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; 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; static int hf_capwap_msg_element_type_discovery_type = -1; 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; static int hf_capwap_msg_element_type_wtp_board_data = -1; 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 = -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 = -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; static int hf_capwap_msg_element_type_wtp_fallback = -1; 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; 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_capwap_data_keep_alive = -1; static int hf_capwap_data_keep_alive_length = -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; static int hf_msg_fragment_count = -1; static int hf_msg_reassembled_in = -1; static int hf_msg_reassembled_length = -1; static dissector_handle_t dtls_handle; static dissector_handle_t ieee8023_handle; static dissector_handle_t ieee80211_handle; static dissector_handle_t ieee80211_bsfc_handle; static dissector_handle_t data_handle; /* Initialize the subtree pointers */ static gint ett_capwap = -1; static gint ett_msg_fragment = -1; static gint ett_msg_fragments = -1; static expert_field ei_capwap_header_length_bad = EI_INIT; static expert_field ei_capwap_data_keep_alive_length = EI_INIT; /* ************************************************************************* */ /* 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, &hf_msg_fragment_count, /* Reassembled in field */ &hf_msg_reassembled_in, /* Reassembled length field */ &hf_msg_reassembled_length, /* Reassembled data field */ NULL, /* Tag */ "Message fragments" }; /* ************************************************************************* */ /* Header Type */ /* ************************************************************************* */ 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 } }; /* ************************************************************************* */ /* flag Type Transported (payload) */ /* ************************************************************************* */ static const true_false_string flag_type_t = { "Native frame format (see Wireless Binding ID field)", "IEEE 802.3 frame" }; /* ************************************************************************* */ /* flag Type Fragment */ /* ************************************************************************* */ static const true_false_string flag_type_f = { "Fragmented", "Don't Fragment" }; /* ************************************************************************* */ /* flag Type Last Fragment */ /* ************************************************************************* */ static const true_false_string flag_type_l = { "This is the last fragment", "More fragments follow" }; /* ************************************************************************* */ /* flag Type Wireless */ /* ************************************************************************* */ static const true_false_string flag_type_w = { "Wireless Specific Information is present", "No Wireless Specific Information" }; /* ************************************************************************* */ /* flag Type Radio Mac */ /* ************************************************************************* */ static const true_false_string flag_type_m = { "Radio MAC Address is present", "No Radio MAC Address" }; /* ************************************************************************* */ /* flag Type Keep Alive */ /* ************************************************************************* */ static const true_false_string flag_type_k = { "Keep-Alive Packet", "No Keep-Alive" }; /* ************************************************************************* */ /* Message Type Value */ /* ************************************************************************* */ 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 } }; /* ************************************************************************* */ /* Message Element Type */ /* ************************************************************************* */ #define TYPE_AC_DESCRIPTOR 1 #define TYPE_AC_IPV4_LIST 2 #define TYPE_AC_IPV6_LIST 3 #define TYPE_AC_NAME 4 #define TYPE_AC_NAME_W_PRIORITY 5 #define TYPE_AC_TIMESTAMP 6 #define TYPE_ADD_MAC_ACL_ENTRY 7 #define TYPE_ADD_STATION 8 #define TYPE_RESERVED_9 9 #define TYPE_CAPWAP_CONTROL_IPV4_ADDRESS 10 #define TYPE_CAPWAP_CONTROL_IPV6_ADDRESS 11 #define TYPE_CAPWAP_TIMERS 12 #define TYPE_DATA_TRANSFER_DATA 13 #define TYPE_DATA_TRANSFER_MODE 14 #define TYPE_DESCRYPTION_ERROR_REPORT 15 #define TYPE_DECRYPTION_ERROR_REPORT_PERIOD 16 #define TYPE_DELETE_MAC_ENTRY 17 #define TYPE_DELETE_STATION 18 #define TYPE_RESERVED_19 19 #define TYPE_DISCOVERY_TYPE 20 #define TYPE_DUPLICATE_IPV4_ADDRESS 21 #define TYPE_DUPLICATE_IPV6_ADDRESS 22 #define TYPE_IDLE_TIMEOUT 23 #define TYPE_IMAGE_DATA 24 #define TYPE_IMAGE_IDENTIFIER 25 #define TYPE_IMAGE_INFORMATION 26 #define TYPE_INITIATE_DOWNLOAD 27 #define TYPE_LOCATION_DATA 28 #define TYPE_MAXIMUM_MESSAGE_LENGTH 29 #define TYPE_CAPWAP_LOCAL_IPV4_ADDRESS 30 #define TYPE_RADIO_ADMINISTRATIVE_STATE 31 #define TYPE_RADIO_OPERATIONAL_STATE 32 #define TYPE_RESULT_CODE 33 #define TYPE_RETURNED_MESSAGE_ELEMENT 34 #define TYPE_SESSION_ID 35 #define TYPE_STATISTICS_TIMER 36 #define TYPE_VENDOR_SPECIFIC_PAYLOAD 37 #define TYPE_WTP_BOARD_DATA 38 #define TYPE_WTP_DESCRIPTOR 39 #define TYPE_WTP_FALLBACK 40 #define TYPE_WTP_FRAME_TUNNEL_MODE 41 #define TYPE_RESERVED_42 42 #define TYPE_RESERVED_43 43 #define TYPE_WTP_MAC_TYPE 44 #define TYPE_WTP_NAME 45 #define TYPE_RESERVED_46 46 #define TYPE_WTP_RADIO_STATISTICS 47 #define TYPE_WTP_REBOOT_STATISTICS 48 #define TYPE_WTP_STATIC_IP_ADDRESS_INFORMATION 49 #define TYPE_CAPWAP_LOCAL_IPV6_ADDRESS 50 #define TYPE_CAPWAP_TRANSPORT_PROTOCOL 51 #define TYPE_MTU_DISCOVERY_PADDING 52 #define TYPE_ECN_SUPPORT 53 #define IEEE80211_ADD_WLAN 1024 #define IEEE80211_ANTENNA 1025 #define IEEE80211_ASSIGNED_WTP_BSSID 1026 #define IEEE80211_DELETE_WLAN 1027 #define IEEE80211_DIRECT_SEQUENCE_CONTROL 1028 #define IEEE80211_INFORMATION_ELEMENT 1029 #define IEEE80211_MAC_OPERATION 1030 #define IEEE80211_MIC_COUNTERMEASURES 1031 #define IEEE80211_MULTI_DOMAIN_CAPABILITY 1032 #define IEEE80211_OFDM_CONTROL 1033 #define IEEE80211_RATE_SET 1034 #define IEEE80211_RSNA_ERROR_REPORT_FROM_STATION 1035 #define IEEE80211_STATION 1036 #define IEEE80211_STATION_QOS_PROFILE 1037 #define IEEE80211_STATION_SESSION_KEY 1038 #define IEEE80211_STATISTICS 1039 #define IEEE80211_SUPPORTED_RATES 1040 #define IEEE80211_TX_POWER 1041 #define IEEE80211_TX_POWER_LEVEL 1042 #define IEEE80211_UPDATE_STATION_QOS 1043 #define IEEE80211_UPDATE_WLAN 1044 #define IEEE80211_WTP_QUALITY_OF_SERVICE 1045 #define IEEE80211_WTP_RADIO_CONFIGURATION 1046 #define IEEE80211_WTP_RADIO_FAIL_ALARM_INDICATION 1047 #define IEEE80211_WTP_RADIO_INFORMATION 1048 /* ************************************************************************* */ /* Message Element Type Value */ /* ************************************************************************* */ static const value_string message_element_type_vals[] = { { TYPE_AC_DESCRIPTOR, "AC Descriptor" }, { TYPE_AC_IPV4_LIST, "AC IPv4 List" }, { TYPE_AC_IPV6_LIST, "AC IPv6 List" }, { TYPE_AC_NAME, "AC Name" }, { TYPE_AC_NAME_W_PRIORITY, "AC Name With Priority" }, { TYPE_AC_TIMESTAMP, "AC Timestamp" }, { TYPE_ADD_MAC_ACL_ENTRY, "Add MAC ACL Entry" }, { TYPE_ADD_STATION, "Add Station" }, { TYPE_RESERVED_9, "Reserved" }, { TYPE_CAPWAP_CONTROL_IPV4_ADDRESS, "CAPWAP Control IPv4 Address" }, { TYPE_CAPWAP_CONTROL_IPV6_ADDRESS, "CAPWAP Control IPv6 Address" }, { TYPE_CAPWAP_TIMERS, "CAPWAP Timers" }, { TYPE_DATA_TRANSFER_DATA, "Data Transfer Data" }, { TYPE_DATA_TRANSFER_MODE, "Data Transfer Mode" }, { TYPE_DESCRYPTION_ERROR_REPORT, "Decryption Error Report" }, { TYPE_DECRYPTION_ERROR_REPORT_PERIOD, "Decryption Error Report Period" }, { TYPE_DELETE_MAC_ENTRY, "Delete MAC ACL Entry" }, { TYPE_DELETE_STATION, "Delete Station" }, { TYPE_RESERVED_19, "Reserved" }, { TYPE_DISCOVERY_TYPE, "Discovery Type" }, { TYPE_DUPLICATE_IPV4_ADDRESS, "Duplicate IPv4 Address" }, { TYPE_DUPLICATE_IPV6_ADDRESS, "Duplicate IPv6 Address" }, { TYPE_IDLE_TIMEOUT, "Idle Timeout" }, { TYPE_IMAGE_DATA, "Image Data" }, { TYPE_IMAGE_IDENTIFIER, "Image Identifier" }, { TYPE_IMAGE_INFORMATION, "Image Information" }, { TYPE_INITIATE_DOWNLOAD, "Initiate Download" }, { TYPE_LOCATION_DATA, "Location Data" }, { TYPE_MAXIMUM_MESSAGE_LENGTH, "Maximum Message Length" }, { TYPE_CAPWAP_LOCAL_IPV4_ADDRESS, "CAPWAP Local IPv4 Address" }, { TYPE_RADIO_ADMINISTRATIVE_STATE, "Radio Administrative State " }, { TYPE_RADIO_OPERATIONAL_STATE, "Radio Operational State" }, { TYPE_RESULT_CODE, "Result Code" }, { TYPE_RETURNED_MESSAGE_ELEMENT, "Returned Message Element" }, { TYPE_SESSION_ID, "Session ID" }, { TYPE_STATISTICS_TIMER, "Statistics Timer" }, { TYPE_VENDOR_SPECIFIC_PAYLOAD, "Vendor Specific Payload" }, { TYPE_WTP_BOARD_DATA, "WTP Board Data" }, { TYPE_WTP_DESCRIPTOR, "WTP Descriptor" }, { TYPE_WTP_FALLBACK, "WTP Fallback " }, { TYPE_WTP_FRAME_TUNNEL_MODE, "WTP Frame Tunnel Mode " }, { TYPE_RESERVED_42, "Reserved" }, { TYPE_RESERVED_43, "Reserved" }, { TYPE_WTP_MAC_TYPE, "WTP MAC Type" }, { TYPE_WTP_NAME, "WTP Name" }, { TYPE_RESERVED_46, "Unused/Reserved" }, { TYPE_WTP_RADIO_STATISTICS, "WTP Radio Statistics" }, { TYPE_WTP_REBOOT_STATISTICS, "WTP Reboot Statistics" }, { TYPE_WTP_STATIC_IP_ADDRESS_INFORMATION, "WTP Static IP Address Information" }, { TYPE_CAPWAP_LOCAL_IPV6_ADDRESS, "CAPWAP Local IPv6 Address" }, { TYPE_CAPWAP_TRANSPORT_PROTOCOL, "CAPWAP Transport Protocol" }, { TYPE_MTU_DISCOVERY_PADDING, "MTU Discovery Padding" }, { TYPE_ECN_SUPPORT, "ECN Support" }, { IEEE80211_ADD_WLAN, "IEEE 802.11 Add WLAN" }, { IEEE80211_ANTENNA, "IEEE 802.11 Antenna" }, { IEEE80211_ASSIGNED_WTP_BSSID, "IEEE 802.11 Assigned WTP BSSID" }, { IEEE80211_DELETE_WLAN, "IEEE 802.11 Delete WLAN" }, { IEEE80211_DIRECT_SEQUENCE_CONTROL, "IEEE 802.11 Direct Sequence Control" }, { IEEE80211_INFORMATION_ELEMENT, "IEEE 802.11 Information Element" }, { IEEE80211_MAC_OPERATION, "IEEE 802.11 MAC Operation" }, { IEEE80211_MIC_COUNTERMEASURES, "IEEE 802.11 MIC Countermeasures" }, { IEEE80211_MULTI_DOMAIN_CAPABILITY, "IEEE 802.11 Multi-Domain Capability" }, { IEEE80211_OFDM_CONTROL, "IEEE 802.11 OFDM Control" }, { IEEE80211_RATE_SET, "IEEE 802.11 Rate Set" }, { IEEE80211_RSNA_ERROR_REPORT_FROM_STATION, "IEEE 802.11 RSNA Error Report From Station" }, { IEEE80211_STATION, "IEEE 802.11 Station" }, { IEEE80211_STATION_QOS_PROFILE, "IEEE 802.11 Station QoS Profile" }, { IEEE80211_STATION_SESSION_KEY, "IEEE 802.11 Station Session Key" }, { IEEE80211_STATISTICS, "IEEE 802.11 Statistics" }, { IEEE80211_SUPPORTED_RATES, "IEEE 802.11 Supported Rates" }, { IEEE80211_TX_POWER, "IEEE 802.11 Tx Power" }, { IEEE80211_TX_POWER_LEVEL, "IEEE 802.11 Tx Power Level" }, { IEEE80211_UPDATE_STATION_QOS, "IEEE 802.11 Update Station QoS" }, { IEEE80211_UPDATE_WLAN, "IEEE 802.11 Update WLAN" }, { IEEE80211_WTP_QUALITY_OF_SERVICE, "IEEE 802.11 WTP Quality of Service" }, { IEEE80211_WTP_RADIO_CONFIGURATION, "IEEE 802.11 WTP Radio Configuration" }, { IEEE80211_WTP_RADIO_FAIL_ALARM_INDICATION, "IEEE 802.11 WTP Radio Fail Alarm Indication" }, { IEEE80211_WTP_RADIO_INFORMATION, "IEEE 802.11 WTP Radio Information" }, { 0, NULL } }; /* ************************************************************************* */ /* Discovery Type */ /* ************************************************************************* */ static const value_string discovery_type_vals[] = { { 0, "Unknown" }, { 1, "Static Configuration" }, { 2, "DHCP" }, { 3, "DNS" }, { 4, "AC Referral" }, { 0, NULL } }; /* ************************************************************************* */ /* Radio Administrative State */ /* ************************************************************************* */ static const value_string radio_admin_state_vals[] = { { 1, "Enabled" }, { 2, "Disabled" }, { 0, NULL } }; /* ************************************************************************* */ /* Radio Operational State */ /* ************************************************************************* */ static const value_string radio_op_state_vals[] = { { 0, "Reserved" }, { 1, "Enabled" }, { 2, "Disabled" }, { 0, NULL } }; /* ************************************************************************* */ /* Radio Operational Cause */ /* ************************************************************************* */ static const value_string radio_op_cause_vals[] = { { 0, "Normal" }, { 1, "Radio Failure" }, { 2, "Software Failure" }, { 3, "Administratively Set" }, { 0, NULL } }; /* ************************************************************************* */ /* Result Code */ /* ************************************************************************* */ static const value_string result_code_vals[] = { { 0 , "Success" }, { 1 , "Failure (AC List Message Element MUST Be Present)" }, { 2 , "Success (NAT Detected)" }, { 3 , "Join Failure (Unspecified)" }, { 4 , "Join Failure (Resource Depletion)" }, { 5 , "Join Failure (Unknown Source)" }, { 6 , "Join Failure (Incorrect Data)" }, { 7 , "Join Failure (Session ID Already in Use)" }, { 8 , "Join Failure (WTP Hardware Not Supported)" }, { 9 , "Join Failure (Binding Not Supported)" }, { 10, "Reset Failure (Unable to Reset)" }, { 11, "Reset Failure (Firmware Write Error)" }, { 12, "Configuration Failure (Unable to Apply Requested Configuration - Service Provided Anyhow)" }, { 13, "Configuration Failure (Unable to Apply Requested Configuration - Service Not Provided)" }, { 14, "Image Data Error (Invalid Checksum)" }, { 15, "Image Data Error (Invalid Data Length)" }, { 16, "Image Data Error (Other Error)" }, { 17, "Image Data Error (Image Already Present)" }, { 18, "Message Unexpected (Invalid in Current State)" }, { 19, "Message Unexpected (Unrecognized Request)" }, { 20, "Failure - Missing Mandatory Message Element" }, { 21, "Failure - Unrecognized Message Element" }, { 22, "Data Transfer Error (No Information to Transfer)" }, { 0 , NULL } }; /* ************************************************************************* */ /* Radio MAC Address Field */ /* ************************************************************************* */ static const value_string rmac_field_vals[] = { { 0, "Reserved" }, { 1, "Supported" }, { 2, "Not Supported" }, { 0, NULL } }; /* ************************************************************************* */ /* Board Data Type Value */ /* ************************************************************************* */ #define BOARD_DATA_WTP_MODEL_NUMBER 0 #define BOARD_DATA_WTP_SERIAL_NUMBER 1 #define BOARD_DATA_BOARD_ID 2 #define BOARD_DATA_BOARD_REVISION 3 #define BOARD_DATA_BASE_MAC_ADDRESS 4 static const value_string board_data_type_vals[] = { { BOARD_DATA_WTP_MODEL_NUMBER, "WTP Model Number" }, { BOARD_DATA_WTP_SERIAL_NUMBER, "WTP Serial Number" }, { BOARD_DATA_BOARD_ID, "Board ID" }, { BOARD_DATA_BOARD_REVISION, "Board Revision" }, { BOARD_DATA_BASE_MAC_ADDRESS, "Base MAC Address" }, { 0, NULL } }; /* ************************************************************************* */ /* Descriptor WTP Type Value */ /* ************************************************************************* */ #define WTP_DESCRIPTOR_HARDWARE_VERSION 0 #define WTP_DESCRIPTOR_ACTIVE_SOFTWARE_VERSION 1 #define WTP_DESCRIPTOR_BOOT_VERSION 2 #define WTP_DESCRIPTOR_OTHER_SOFTWARE_VERSION 3 static const value_string wtp_descriptor_type_vals[] = { { WTP_DESCRIPTOR_HARDWARE_VERSION, "WTP Hardware Version" }, { WTP_DESCRIPTOR_ACTIVE_SOFTWARE_VERSION, "WTP Active Software Version" }, { WTP_DESCRIPTOR_BOOT_VERSION, "WTP Boot Version" }, { WTP_DESCRIPTOR_OTHER_SOFTWARE_VERSION, "WTP Other Software Version" }, { 0, NULL } }; /* ************************************************************************* */ /* AC Information Type Value */ /* ************************************************************************* */ #define AC_INFORMATION_HARDWARE_VERSION 4 #define AC_INFORMATION_SOFTWARE_VERSION 5 static const value_string ac_information_type_vals[] = { { AC_INFORMATION_HARDWARE_VERSION, "AC Hardware Version" }, { AC_INFORMATION_SOFTWARE_VERSION, "AC Software Version" }, { 0, NULL } }; /* ************************************************************************* */ /* WTP MAC Type */ /* ************************************************************************* */ static const value_string wtp_mac_vals[] = { { 0, "Local MAC" }, { 1, "Split MAC" }, { 2, "Both (Local and Split MAC)" }, { 0, NULL } }; /* ************************************************************************* */ /* WTP Fallback */ /* ************************************************************************* */ static const value_string wtp_fallback_vals[] = { { 0, "Reserved" }, { 1, "Enabled" }, { 2, "Disabled" }, { 0, NULL } }; /* ************************************************************************* */ /* Last Failure Type */ /* ************************************************************************* */ static const value_string last_failure_type_vals[] = { { 0, "Not Supported" }, { 1, "AC Initiated" }, { 2, "Link Failure" }, { 3, "Software Failure" }, { 4, "Hardware Failure" }, { 5, "Other Failure" }, { 255, "Unknown (e.g., WTP doesn't keep track of info)" }, { 0, NULL } }; static void capwap_reassemble_init(void) { reassembly_table_init(&capwap_reassembly_table, &addresses_reassembly_table_functions); } static void dissect_capwap_data_message_bindings_ieee80211(tvbuff_t *tvb, proto_tree *data_message_binding_tree, guint offset, packet_info *pinfo) { proto_item *data_message_binding_item; proto_tree *sub_data_message_binding_tree; if (global_capwap_data_udp_port == pinfo->destport) { /* (WTP -> AC) IEEE 802.11 Frame Info */ data_message_binding_item = proto_tree_add_item(data_message_binding_tree, hf_capwap_header_wireless_data_ieee80211_fi,tvb, offset, 4, ENC_NA); sub_data_message_binding_tree = proto_item_add_subtree(data_message_binding_item, ett_capwap); proto_tree_add_item(sub_data_message_binding_tree, hf_capwap_header_wireless_data_ieee80211_fi_rssi,tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(sub_data_message_binding_tree, hf_capwap_header_wireless_data_ieee80211_fi_snr,tvb, offset+1, 1, ENC_BIG_ENDIAN); proto_tree_add_item(sub_data_message_binding_tree, hf_capwap_header_wireless_data_ieee80211_fi_data_rate,tvb, offset+2, 2, ENC_BIG_ENDIAN); } else { /* (AC -> WTP) IEEE 802.11 Destination Wlans */ data_message_binding_item = proto_tree_add_item(data_message_binding_tree, hf_capwap_header_wireless_data_ieee80211_dest_wlan,tvb, offset, 4, ENC_NA); sub_data_message_binding_tree = proto_item_add_subtree(data_message_binding_item, ett_capwap); proto_tree_add_item(sub_data_message_binding_tree, hf_capwap_header_wireless_data_ieee80211_dw_wlan_id_bitmap,tvb, offset, 2, ENC_BIG_ENDIAN); proto_tree_add_item(sub_data_message_binding_tree, hf_capwap_header_wireless_data_ieee80211_dw_reserved,tvb, offset+2, 2, ENC_BIG_ENDIAN); } } static void dissect_capwap_encryption_capabilities(tvbuff_t *tvb, proto_tree *encryption_capabilities_tree, guint offset) { proto_item *encryption_capabilities_item; proto_tree *sub_encryption_capabilities_tree; encryption_capabilities_item = proto_tree_add_item(encryption_capabilities_tree, hf_capwap_msg_element_type_wtp_descriptor_encrypt, tvb, offset, 3, ENC_NA); sub_encryption_capabilities_tree = proto_item_add_subtree(encryption_capabilities_item, ett_capwap); proto_tree_add_item(sub_encryption_capabilities_tree, hf_capwap_msg_element_type_wtp_descriptor_encrypt_reserved, tvb, offset, 1, ENC_NA); proto_tree_add_item (sub_encryption_capabilities_tree, hf_capwap_msg_element_type_wtp_descriptor_encrypt_wbid, tvb, offset, 1, ENC_NA); proto_item_append_text(encryption_capabilities_item, ": (WBID %d)",tvb_get_guint8(tvb, offset) & 0x1F); proto_tree_add_item(sub_encryption_capabilities_tree, hf_capwap_msg_element_type_wtp_descriptor_encrypt_capabilities, tvb, offset+1, 2, ENC_BIG_ENDIAN); proto_item_append_text(encryption_capabilities_item, " %d",tvb_get_ntohs(tvb, offset+1)); } /* Returns the number of bytes consumed by this option. */ static int dissect_capwap_ac_information(tvbuff_t *tvb, proto_tree *ac_information_type_tree, guint offset) { guint optlen,ac_information_type = 0; proto_item *ac_information_type_item; proto_tree *sub_ac_information_type_tree; ac_information_type = tvb_get_ntohs(tvb, offset+4); optlen = tvb_get_ntohs(tvb, offset+6); ac_information_type_item = proto_tree_add_item(ac_information_type_tree, hf_capwap_msg_element_type_ac_information, tvb, offset, 4+2+2+optlen, ENC_NA ); proto_item_append_text(ac_information_type_item,": (t=%d,l=%d) %s", ac_information_type, optlen, val_to_str(ac_information_type,ac_information_type_vals,"Unknown AC Information Type (%02d)") ); sub_ac_information_type_tree = proto_item_add_subtree(ac_information_type_item, ett_capwap); proto_tree_add_item(sub_ac_information_type_tree, hf_capwap_msg_element_type_ac_information_vendor, tvb, offset, 4, ENC_BIG_ENDIAN); proto_tree_add_item(sub_ac_information_type_tree, hf_capwap_msg_element_type_ac_information_type, tvb, offset+4, 2, ENC_BIG_ENDIAN); proto_tree_add_item(sub_ac_information_type_tree, hf_capwap_msg_element_type_ac_information_length, tvb, offset+6, 2, ENC_BIG_ENDIAN); proto_tree_add_item(sub_ac_information_type_tree, hf_capwap_msg_element_type_ac_information_value, tvb, offset+8, optlen, ENC_NA); switch (ac_information_type) { case AC_INFORMATION_HARDWARE_VERSION: proto_tree_add_item(sub_ac_information_type_tree, hf_capwap_msg_element_type_ac_information_hardware_version, tvb, offset+8, optlen, ENC_ASCII|ENC_NA); break; case AC_INFORMATION_SOFTWARE_VERSION: proto_tree_add_item(sub_ac_information_type_tree, hf_capwap_msg_element_type_ac_information_software_version, tvb, offset+8, optlen, ENC_ASCII|ENC_NA); break; default: /* No Default Action */ break; } return 4+2+2+optlen; } /* Returns the number of bytes consumed by this option. */ static int dissect_capwap_wtp_descriptor(tvbuff_t *tvb, proto_tree *wtp_descriptor_type_tree, guint offset) { guint optlen,wtp_descriptor_type = 0; proto_item *wtp_descriptor_type_item; proto_tree *sub_wtp_descriptor_type_tree; wtp_descriptor_type = tvb_get_ntohs(tvb, offset+4); optlen = tvb_get_ntohs(tvb, offset+6); wtp_descriptor_type_item = proto_tree_add_item(wtp_descriptor_type_tree, hf_capwap_msg_element_type_wtp_descriptor, tvb, offset, 4+2+2+optlen, ENC_NA); proto_item_append_text(wtp_descriptor_type_item, ": (t=%d,l=%d) %s", wtp_descriptor_type, optlen, val_to_str(wtp_descriptor_type,wtp_descriptor_type_vals,"Unknown WTP Descriptor Type (%02d)") ); sub_wtp_descriptor_type_tree = proto_item_add_subtree(wtp_descriptor_type_item, ett_capwap); proto_tree_add_item(sub_wtp_descriptor_type_tree, hf_capwap_msg_element_type_wtp_descriptor_vendor, tvb, offset, 4, ENC_BIG_ENDIAN); proto_tree_add_item(sub_wtp_descriptor_type_tree, hf_capwap_msg_element_type_wtp_descriptor_type, tvb, offset+4, 2, ENC_BIG_ENDIAN); proto_tree_add_item(sub_wtp_descriptor_type_tree, hf_capwap_msg_element_type_wtp_descriptor_length, tvb, offset+6, 2, ENC_BIG_ENDIAN); proto_tree_add_item(sub_wtp_descriptor_type_tree, hf_capwap_msg_element_type_wtp_descriptor_value, tvb, offset+8, optlen, ENC_NA); switch (wtp_descriptor_type) { case WTP_DESCRIPTOR_HARDWARE_VERSION: proto_tree_add_item(sub_wtp_descriptor_type_tree, hf_capwap_msg_element_type_wtp_descriptor_hardware_version, tvb, offset+8, optlen, ENC_ASCII|ENC_NA); break; case WTP_DESCRIPTOR_ACTIVE_SOFTWARE_VERSION: proto_tree_add_item(sub_wtp_descriptor_type_tree, hf_capwap_msg_element_type_wtp_descriptor_active_software_version, tvb, offset+8, optlen, ENC_ASCII|ENC_NA); break; case WTP_DESCRIPTOR_BOOT_VERSION: proto_tree_add_item(sub_wtp_descriptor_type_tree, hf_capwap_msg_element_type_wtp_descriptor_boot_version, tvb, offset+8, optlen, ENC_ASCII|ENC_NA); break; case WTP_DESCRIPTOR_OTHER_SOFTWARE_VERSION: proto_tree_add_item(sub_wtp_descriptor_type_tree, hf_capwap_msg_element_type_wtp_descriptor_other_software_version, tvb, offset+8, optlen, ENC_ASCII|ENC_NA); break; default: /* No Default Action */ break; } return 4+2+2+optlen; } /* Returns the number of bytes consumed by this option. */ static int dissect_capwap_board_data(tvbuff_t *tvb, proto_tree *board_data_type_tree, guint offset) { guint optlen,board_data_type = 0; proto_item *board_data_type_item; proto_tree *sub_board_data_type_tree; board_data_type = tvb_get_ntohs(tvb, offset); optlen = tvb_get_ntohs(tvb, offset+2); board_data_type_item = proto_tree_add_item(board_data_type_tree, hf_capwap_msg_element_type_wtp_board_data, tvb, offset, 2+2+optlen, ENC_NA ); proto_item_append_text(board_data_type_item, ": (t=%d,l=%d) %s", board_data_type, optlen, val_to_str(board_data_type,board_data_type_vals,"Unknown Board Data Type (%02d)") ); sub_board_data_type_tree = proto_item_add_subtree(board_data_type_item, ett_capwap); proto_tree_add_item(sub_board_data_type_tree, hf_capwap_msg_element_type_wtp_board_data_type, tvb, offset, 2, ENC_BIG_ENDIAN); proto_tree_add_item(sub_board_data_type_tree, hf_capwap_msg_element_type_wtp_board_data_length, tvb, offset+2, 2, ENC_BIG_ENDIAN); proto_tree_add_item(sub_board_data_type_tree, hf_capwap_msg_element_type_wtp_board_data_value, tvb, offset+4, optlen, ENC_NA); switch (board_data_type) { case BOARD_DATA_WTP_MODEL_NUMBER: proto_tree_add_item(sub_board_data_type_tree, hf_capwap_msg_element_type_wtp_board_data_wtp_model_number, tvb, offset+4, optlen, ENC_ASCII|ENC_NA); break; case BOARD_DATA_WTP_SERIAL_NUMBER: proto_tree_add_item(sub_board_data_type_tree, hf_capwap_msg_element_type_wtp_board_data_wtp_serial_number, tvb, offset+4, optlen, ENC_ASCII|ENC_NA); break; case BOARD_DATA_BOARD_ID: proto_tree_add_item(sub_board_data_type_tree, hf_capwap_msg_element_type_wtp_board_data_wtp_board_id, tvb, offset+4, optlen, ENC_ASCII|ENC_NA); break; case BOARD_DATA_BOARD_REVISION: proto_tree_add_item(sub_board_data_type_tree, hf_capwap_msg_element_type_wtp_board_data_wtp_board_revision, tvb, offset+4, optlen, ENC_ASCII|ENC_NA); break; case BOARD_DATA_BASE_MAC_ADDRESS: proto_tree_add_item(sub_board_data_type_tree, hf_capwap_msg_element_type_wtp_board_data_base_mac_address, tvb, offset+4, 6, ENC_NA); break; default: /* No Default Action */ break; } return 2+2+optlen; } /* Returns the number of bytes consumed by this option. */ static int dissect_capwap_message_element_type(tvbuff_t *tvb, proto_tree *msg_element_type_tree, guint offset) { guint optlen, offset_end, number_encrypt, i, msg_element_type = 0; proto_item *msg_element_type_item, *msg_element_type_item_flag; proto_tree *sub_msg_element_type_tree, *sub_msg_element_type_flag_tree; msg_element_type = tvb_get_ntohs(tvb, offset); optlen = tvb_get_ntohs(tvb, offset+2); msg_element_type_item = proto_tree_add_item(msg_element_type_tree, hf_capwap_msg_element, tvb, offset, 2+2+optlen, ENC_NA ); proto_item_append_text(msg_element_type_item, ": (t=%d,l=%d) %s", msg_element_type, optlen, val_to_str(msg_element_type,message_element_type_vals,"Unknown Message Element Type (%02d)") ); sub_msg_element_type_tree = proto_item_add_subtree(msg_element_type_item, ett_capwap); proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type, tvb, offset, 2, ENC_BIG_ENDIAN); proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_length, tvb, offset+2, 2, ENC_BIG_ENDIAN); proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_value, tvb, offset+4, optlen, ENC_NA); switch (msg_element_type) { case TYPE_AC_DESCRIPTOR: /* AC Descriptor (1) */ proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_ac_descriptor_stations, tvb, offset+4, 2, ENC_BIG_ENDIAN); proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_ac_descriptor_limit, tvb, offset+6, 2, ENC_BIG_ENDIAN); proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_ac_descriptor_active_wtp, tvb, offset+8, 2, ENC_BIG_ENDIAN); proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_ac_descriptor_max_wtp, tvb, offset+10, 2, ENC_BIG_ENDIAN); /* AC Descriptor Security Flags... */ msg_element_type_item_flag = proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_ac_descriptor_security, tvb, offset+12, 1, ENC_NA); sub_msg_element_type_flag_tree = proto_item_add_subtree(msg_element_type_item_flag, ett_capwap); proto_tree_add_item(sub_msg_element_type_flag_tree, hf_capwap_msg_element_type_ac_descriptor_security_r, tvb, offset+12, 1, ENC_BIG_ENDIAN); proto_tree_add_item(sub_msg_element_type_flag_tree, hf_capwap_msg_element_type_ac_descriptor_security_s, tvb, offset+12, 1, ENC_BIG_ENDIAN); proto_tree_add_item(sub_msg_element_type_flag_tree, hf_capwap_msg_element_type_ac_descriptor_security_x, tvb, offset+12, 1, ENC_BIG_ENDIAN); proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_ac_descriptor_rmac_field, tvb, offset+13, 1, ENC_BIG_ENDIAN); proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_ac_descriptor_reserved, tvb, offset+14, 1, ENC_BIG_ENDIAN); /* AC Descriptor DTLS Flags... */ msg_element_type_item_flag = proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_ac_descriptor_dtls_policy, tvb, offset+15, 1, ENC_NA); sub_msg_element_type_flag_tree = proto_item_add_subtree(msg_element_type_item_flag, ett_capwap); proto_tree_add_item(sub_msg_element_type_flag_tree, hf_capwap_msg_element_type_ac_descriptor_dtls_policy_r, tvb, offset+15, 1, ENC_BIG_ENDIAN); proto_tree_add_item(sub_msg_element_type_flag_tree, hf_capwap_msg_element_type_ac_descriptor_dtls_policy_d, tvb, offset+15, 1, ENC_BIG_ENDIAN); proto_tree_add_item(sub_msg_element_type_flag_tree, hf_capwap_msg_element_type_ac_descriptor_dtls_policy_c, tvb, offset+15, 1, ENC_BIG_ENDIAN); offset_end = offset + optlen -4; offset += 4 + 12; while (offset < offset_end) { offset += dissect_capwap_ac_information(tvb, sub_msg_element_type_tree, offset); } break; case TYPE_AC_IPV4_LIST: /* AC IPv4 List (2) */ offset_end = offset + 4 + optlen; offset += 4; if (optlen%4 == 0) { while (offset_end-offset > 0) { proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_ac_ipv4_list, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; } } break; case TYPE_AC_IPV6_LIST: /* AC IPv6 List (3) */ offset_end = offset + 4 + optlen; offset += 4; if (optlen%16 == 0) { while (offset_end-offset > 0) { proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_ac_ipv6_list, tvb, offset, 16, ENC_NA); offset += 16; } } break; case TYPE_AC_NAME: /* AC Name (4) */ proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_ac_name, tvb, offset+4, optlen, ENC_ASCII|ENC_NA); break; case TYPE_AC_NAME_W_PRIORITY: /* AC Name With Priority (5) */ proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_ac_name_with_priority, tvb, offset+1, 1, ENC_BIG_ENDIAN); proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_ac_name, tvb, offset+5, optlen-1, ENC_ASCII|ENC_NA); break; case TYPE_CAPWAP_CONTROL_IPV4_ADDRESS: /* CAPWAP Control IPv4 Address (10) */ proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_capwap_control_ipv4, tvb, offset+4, 4, ENC_BIG_ENDIAN); proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_capwap_control_wtp_count, tvb, offset+8, 2, ENC_BIG_ENDIAN); break; case TYPE_CAPWAP_CONTROL_IPV6_ADDRESS: /* CAPWAP Control IPv6 Address (11) */ proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_capwap_control_ipv6, tvb, offset+4, 16, ENC_NA); proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_capwap_control_wtp_count, tvb, offset+20, 2, ENC_BIG_ENDIAN); break; case TYPE_CAPWAP_TIMERS: /* CAPWAP Timers (12) */ proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_capwap_timers_discovery, tvb, offset+4, 1, ENC_BIG_ENDIAN); proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_capwap_timers_echo_request, tvb, offset+5, 1, ENC_BIG_ENDIAN); break; case TYPE_DECRYPTION_ERROR_REPORT_PERIOD: /* Decryption Error Report Period (16) */ proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_decryption_error_report_period_radio_id, tvb, offset+4, 1, ENC_BIG_ENDIAN); proto_tree_add_item(sub_msg_element_type_tree,hf_capwap_msg_element_type_decryption_error_report_period_interval, tvb, offset+5, 2, ENC_BIG_ENDIAN); break; case TYPE_DISCOVERY_TYPE: /* Discovery Type (20) */ proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_discovery_type, tvb, offset+4, optlen, ENC_BIG_ENDIAN); break; case TYPE_IDLE_TIMEOUT: /* Idle Timeout (23) */ proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_idle_timeout, tvb, offset+4, 4, ENC_BIG_ENDIAN); break; case TYPE_LOCATION_DATA: /* Location Data (28) */ proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_location_data, tvb, offset+4, optlen, ENC_ASCII|ENC_NA); break; case TYPE_MAXIMUM_MESSAGE_LENGTH: /* Maximum Message Length (29) */ proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_maximum_message_length, tvb, offset+4, 2, ENC_BIG_ENDIAN); break; case TYPE_RADIO_ADMINISTRATIVE_STATE: /* Radio Administrative State (31) */ proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_radio_admin_id, tvb, offset+4, 1, ENC_BIG_ENDIAN); proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_radio_admin_state, tvb, offset+5, 1, ENC_BIG_ENDIAN); break; case TYPE_RADIO_OPERATIONAL_STATE: /* Radio Operational State (32) */ proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_radio_op_state_radio_id, tvb, offset+4, 1, ENC_BIG_ENDIAN); proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_radio_op_state_radio_state, tvb, offset+5, 1, ENC_BIG_ENDIAN); proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_radio_op_state_radio_cause, tvb, offset+6, 1, ENC_BIG_ENDIAN); break; case TYPE_RESULT_CODE: /* Result Code (33) */ proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_result_code, tvb, offset+4, optlen, ENC_BIG_ENDIAN); break; case TYPE_SESSION_ID: /* Session ID (35) */ proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_session_id, tvb, offset+4, optlen, ENC_NA); break; case TYPE_STATISTICS_TIMER: /* Statistics Timer (36) */ proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_statistics_timer, tvb, offset+4, 2, ENC_BIG_ENDIAN); break; case TYPE_VENDOR_SPECIFIC_PAYLOAD: /* Vendor Specific Payload (37) */ proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_vsp_vendor_identifier, tvb, offset+4, 4, ENC_BIG_ENDIAN); proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_vsp_vendor_element_id, tvb, offset+8, 2, ENC_BIG_ENDIAN); proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_vsp_vendor_data, tvb, offset+10, optlen-6, ENC_NA); break; case TYPE_WTP_BOARD_DATA: /* WTP Board Data (38) */ proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_wtp_board_data_vendor, tvb, offset+4, 4, ENC_BIG_ENDIAN); offset += 8; offset_end = offset + optlen -4; while (offset < offset_end) { offset += dissect_capwap_board_data(tvb, sub_msg_element_type_tree, offset); } break; case TYPE_WTP_DESCRIPTOR: /* WTP Descriptor (39) */ proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_wtp_descriptor_max_radios, tvb, offset+4, 1, ENC_BIG_ENDIAN); proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_wtp_descriptor_radio_in_use, tvb, offset+5, 1, ENC_BIG_ENDIAN); if (global_capwap_draft_8_cisco == 0) { number_encrypt = tvb_get_guint8(tvb,offset+6); msg_element_type_item_flag = proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_wtp_descriptor_number_encrypt, tvb, offset+6, 1, ENC_BIG_ENDIAN); sub_msg_element_type_flag_tree = proto_item_add_subtree(msg_element_type_item_flag, ett_capwap); for (i=0; i < number_encrypt; i++) { dissect_capwap_encryption_capabilities(tvb, sub_msg_element_type_flag_tree, offset+4+3+i*3); } offset_end = offset + optlen -4; offset += 4 + 3 + number_encrypt * 3; } else { /*in Draft 8, there is only one "encryption_capabilities*/ proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_wtp_descriptor_encrypt_capabilities, tvb, offset+6, 2, ENC_BIG_ENDIAN); offset_end = offset + optlen -4; offset += 6 + 2; } while (offset < offset_end) { offset += dissect_capwap_wtp_descriptor(tvb, sub_msg_element_type_tree, offset); } break; case TYPE_WTP_FALLBACK: /* WTP Fallback (40) */ proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_wtp_fallback, tvb, offset+4, 1, ENC_BIG_ENDIAN); break; case TYPE_WTP_FRAME_TUNNEL_MODE: /* WTP Frame Tunnel Mode (41) */ msg_element_type_item_flag = proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_wtp_frame_tunnel_mode, tvb, offset+4, 1, ENC_NA); sub_msg_element_type_flag_tree = proto_item_add_subtree(msg_element_type_item_flag, ett_capwap); proto_tree_add_item(sub_msg_element_type_flag_tree, hf_capwap_msg_element_type_wtp_frame_tunnel_mode_n, tvb, offset+4, 1, ENC_BIG_ENDIAN); proto_tree_add_item(sub_msg_element_type_flag_tree, hf_capwap_msg_element_type_wtp_frame_tunnel_mode_e, tvb, offset+4, 1, ENC_BIG_ENDIAN); proto_tree_add_item(sub_msg_element_type_flag_tree, hf_capwap_msg_element_type_wtp_frame_tunnel_mode_l, tvb, offset+4, 1, ENC_BIG_ENDIAN); proto_tree_add_item(sub_msg_element_type_flag_tree, hf_capwap_msg_element_type_wtp_frame_tunnel_mode_r, tvb, offset+4, 1, ENC_BIG_ENDIAN); break; case TYPE_WTP_MAC_TYPE: /* WTP MAC Type (44) */ proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_wtp_mac_type, tvb, offset+4, optlen, ENC_BIG_ENDIAN); break; case TYPE_WTP_NAME: /* WTP Name (45) */ proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_wtp_name, tvb, offset+4, optlen, ENC_ASCII|ENC_NA); break; case TYPE_WTP_REBOOT_STATISTICS: /* WTP Reboot Statistics (48) */ proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_wtp_reboot_statistics_reboot_count, tvb, offset+4, 2, ENC_BIG_ENDIAN); proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_wtp_reboot_statistics_ac_initiated_count, tvb, offset+6, 2, ENC_BIG_ENDIAN); proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_wtp_reboot_statistics_link_failure_count, tvb, offset+8, 2, ENC_BIG_ENDIAN); proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_wtp_reboot_statistics_sw_failure_count, tvb, offset+10, 2, ENC_BIG_ENDIAN); proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_wtp_reboot_statistics_hw_failure_count, tvb, offset+12, 2, ENC_BIG_ENDIAN); proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_wtp_reboot_statistics_other_failure_count, tvb, offset+14, 2, ENC_BIG_ENDIAN); proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_wtp_reboot_statistics_unknown_failure_count, tvb, offset+16, 2, ENC_BIG_ENDIAN); proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_wtp_reboot_statistics_last_failure_type, tvb, offset+18, 1, ENC_BIG_ENDIAN); break; case IEEE80211_RATE_SET: /* ieee80211 Rate Set (1034) */ proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_ieee80211_rate_set_radio_id, tvb, offset+4, 1, ENC_BIG_ENDIAN); proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_ieee80211_rate_set_rate_set, tvb, offset+5, optlen-1, ENC_NA); break; case IEEE80211_STATION_SESSION_KEY: /* ieee80211 Station Session Key (1038) */ proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_ieee80211_station_session_key_mac, tvb, offset+4, 6, ENC_NA); proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_ieee80211_station_session_key_flags, tvb, offset+10, 2, ENC_BIG_ENDIAN); proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_ieee80211_station_session_key_flags_a, tvb, offset+10, 2, ENC_BIG_ENDIAN); proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_ieee80211_station_session_key_flags_c, tvb, offset+10, 2, ENC_BIG_ENDIAN); proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_ieee80211_station_session_key_pairwire_tsc, tvb, offset+12, 6, ENC_NA); proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_ieee80211_station_session_key_pairwire_rsc, tvb, offset+18, 6, ENC_NA); proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_ieee80211_station_session_key_key, tvb, offset+24, optlen-24, ENC_NA); break; case IEEE80211_WTP_RADIO_INFORMATION: /* ieee80211 WTP Radio Information (1048) */ proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_ieee80211_wtp_radio_info_radio_id, tvb, offset+4, 1, ENC_BIG_ENDIAN); proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_ieee80211_wtp_radio_info_radio_type_reserved, tvb, offset+5, 3, ENC_NA); proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_ieee80211_wtp_radio_info_radio_type_n, tvb, offset+8, 1, ENC_BIG_ENDIAN); proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_ieee80211_wtp_radio_info_radio_type_g, tvb, offset+8, 1, ENC_BIG_ENDIAN); proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_ieee80211_wtp_radio_info_radio_type_a, tvb, offset+8, 1, ENC_BIG_ENDIAN); proto_tree_add_item(sub_msg_element_type_tree, hf_capwap_msg_element_type_ieee80211_wtp_radio_info_radio_type_b, tvb, offset+8, 1, ENC_BIG_ENDIAN); break; default: /* No Default Action */ break; } return 2+2+optlen; } /* Returns the number of bytes consumed by this option. */ static int dissect_capwap_message_element(tvbuff_t *tvb, proto_tree *capwap_control_tree, guint offset) { guint plen = 0, offset_end; proto_item *ti; proto_tree *capwap_message_element_tree; ti = proto_tree_add_item(capwap_control_tree, hf_capwap_message_element, tvb, offset, tvb_reported_length(tvb) - offset, ENC_NA); capwap_message_element_tree = proto_item_add_subtree(ti, ett_capwap); offset_end = tvb_reported_length(tvb); while (offset+plen < offset_end) { plen += dissect_capwap_message_element_type(tvb, capwap_message_element_tree, offset+plen); } return plen; } /* Returns the number of bytes consumed by this option. */ static int dissect_capwap_data_keep_alive(tvbuff_t *tvb, packet_info *pinfo, proto_tree *capwap_data_tree, guint offset) { guint16 len; guint plen = 0, offset_end; proto_item *ti; proto_tree *capwap_data_keep_alive_tree; ti = proto_tree_add_item(capwap_data_tree, hf_capwap_data_keep_alive, tvb, offset, tvb_reported_length(tvb), ENC_NA); capwap_data_keep_alive_tree = proto_item_add_subtree(ti, ett_capwap); ti = proto_tree_add_item(capwap_data_keep_alive_tree, hf_capwap_data_keep_alive_length, tvb, offset, 2, ENC_BIG_ENDIAN); len = tvb_get_ntohs(tvb, offset); if (len != tvb_reported_length(tvb)) expert_add_info(pinfo, ti, &ei_capwap_data_keep_alive_length); plen += 2; offset_end = tvb_reported_length(tvb); while (offset+plen < offset_end) { plen += dissect_capwap_message_element_type(tvb, capwap_data_keep_alive_tree, offset+plen); } return plen; } /* Returns the number of bytes consumed by this option. */ static int dissect_capwap_control_header(tvbuff_t *tvb, proto_tree *capwap_control_tree, guint offset, packet_info *pinfo) { guint plen = 0; proto_item *ti, *ti_flag; proto_tree *capwap_control_header_tree; proto_tree *capwap_control_msg_type_tree; ti = proto_tree_add_item(capwap_control_tree, hf_capwap_control_header, tvb, offset, 8, ENC_NA); capwap_control_header_tree = proto_item_add_subtree(ti, ett_capwap); /* Message Type 32 bits */ ti_flag = proto_tree_add_item(capwap_control_header_tree, hf_capwap_control_header_msg_type, tvb, offset, 4, ENC_BIG_ENDIAN); capwap_control_msg_type_tree = proto_item_add_subtree(ti_flag, ett_capwap); proto_tree_add_item(capwap_control_msg_type_tree, hf_capwap_control_header_msg_type_enterprise_nbr, tvb, offset, 3, ENC_BIG_ENDIAN); proto_tree_add_item(capwap_control_msg_type_tree, hf_capwap_control_header_msg_type_enterprise_specific, tvb, offset+3, 1, ENC_BIG_ENDIAN); col_append_fstr(pinfo->cinfo, COL_INFO, " - %s",val_to_str(tvb_get_guint8(tvb, offset+3),message_type,"Unknown Message Type (0x%02x)")); plen += 4; /* Sequence 8 bits */ proto_tree_add_item(capwap_control_header_tree, hf_capwap_control_header_seq_number, tvb, offset+plen, 1, ENC_BIG_ENDIAN); plen += 1; /* Message Element Length 16 bits */ proto_tree_add_item(capwap_control_header_tree, hf_capwap_control_header_msg_element_length, tvb, offset+plen, 2, ENC_BIG_ENDIAN); plen += 2; /* Flags 8 bits */ proto_tree_add_item(capwap_control_header_tree, hf_capwap_control_header_flags, tvb, offset+plen, 1, ENC_BIG_ENDIAN); plen += 1; return plen; } /* Returns the number of bytes consumed by this option. */ static int dissect_capwap_header(tvbuff_t *tvb, proto_tree *capwap_control_tree, guint offset, packet_info *pinfo, guint8 *payload_type, guint8 *payload_wbid, gboolean *fragment_is, gboolean *fragment_more, guint32 *fragment_id, guint32 *fragment_offset) { guint plen = 0, hlen = 0; proto_item *ti, *ti_flag, *ti_len; proto_tree *capwap_header_tree; proto_tree *capwap_header_flags_tree; guint flags = 0; guint8 maclength, wirelesslength; guint align = 0; /* RFC 5415 HLEN: A 5-bit field containing the length of the CAPWAP transport header in 4-byte words */ /* As we display the preamble separately reduce the length by 1 */ hlen = tvb_get_bits8(tvb, (offset+plen)*8, 5)*4-1; ti = proto_tree_add_item(capwap_control_tree, hf_capwap_header, tvb, offset+plen, hlen, ENC_NA); capwap_header_tree = proto_item_add_subtree(ti, ett_capwap); /* Header Length : 5 Bits */ ti_len = proto_tree_add_item(capwap_header_tree, hf_capwap_header_hlen, tvb, offset+plen, 1, ENC_BIG_ENDIAN); proto_item_append_text(ti_len, " (%d)",hlen+1); /* Radio ID : 5 Bits */ proto_tree_add_item(capwap_header_tree, hf_capwap_header_rid, tvb, offset+plen, 3, ENC_BIG_ENDIAN); /* Wireless Binding ID : 5 Bits */ proto_tree_add_item(capwap_header_tree, hf_capwap_header_wbid, tvb, offset+plen, 3, ENC_BIG_ENDIAN); /* WBid of Payload (for CAPWAP Data Packet) */ *payload_wbid = tvb_get_bits8(tvb, (offset+plen)*8+10, 5); /* Flags : 9 Bits */ flags = tvb_get_bits16(tvb, (offset+plen)*8+15, 9, ENC_BIG_ENDIAN); ti_flag = proto_tree_add_item(capwap_header_tree, hf_capwap_header_flags, tvb, offset+plen, 3, ENC_BIG_ENDIAN); capwap_header_flags_tree = proto_item_add_subtree(ti_flag, ett_capwap); proto_tree_add_item(capwap_header_flags_tree, hf_capwap_header_flags_t, tvb, offset+plen, 3, ENC_BIG_ENDIAN); proto_tree_add_item(capwap_header_flags_tree, hf_capwap_header_flags_f, tvb, offset+plen, 3, ENC_BIG_ENDIAN); proto_tree_add_item(capwap_header_flags_tree, hf_capwap_header_flags_l, tvb, offset+plen, 3, ENC_BIG_ENDIAN); proto_tree_add_item(capwap_header_flags_tree, hf_capwap_header_flags_w, tvb, offset+plen, 3, ENC_BIG_ENDIAN); proto_tree_add_item(capwap_header_flags_tree, hf_capwap_header_flags_m, tvb, offset+plen, 3, ENC_BIG_ENDIAN); proto_tree_add_item(capwap_header_flags_tree, hf_capwap_header_flags_k, tvb, offset+plen, 3, ENC_BIG_ENDIAN); proto_tree_add_item(capwap_header_flags_tree, hf_capwap_header_flags_r, tvb, offset+plen, 3, ENC_BIG_ENDIAN); /* Fragment ??*/ *fragment_is = ((flags & 0x80) == 0x80) ? TRUE : FALSE; *fragment_more = ((flags &0x40) == 0x40) ? FALSE : TRUE; /* Type of Payload (for CAPWAP Data Packet), use 0xff for Keep-Alive */ if (flags &0x08 /* data channel Keep-Alive packet */) { col_append_str(pinfo->cinfo, COL_INFO, " Keep-Alive"); *payload_type = 0xff; } else *payload_type = tvb_get_bits8(tvb, (offset+plen)*8+15,1); plen += 3; /* Fragment ID : 16 Bits */ proto_tree_add_item(capwap_header_tree, hf_capwap_header_fragment_id, tvb, offset+plen, 2, ENC_BIG_ENDIAN); *fragment_id = (guint32)tvb_get_ntohs(tvb, offset+plen); plen += 2; /* Fragment offset : 13 Bits */ proto_tree_add_item(capwap_header_tree, hf_capwap_header_fragment_offset, tvb, offset+plen, 2, ENC_BIG_ENDIAN); *fragment_offset = 8 * (guint32)tvb_get_bits16(tvb, (offset+plen)*8, 13, ENC_BIG_ENDIAN); /* Reserved 3 Bits */ proto_tree_add_item(capwap_header_tree, hf_capwap_header_reserved, tvb, offset+plen+1, 1, ENC_BIG_ENDIAN); plen += 2; /* Optionnal Headers */ if (flags & 0x10 /* Radio MAC address */) { maclength=tvb_get_guint8(tvb, offset+plen); proto_tree_add_item(capwap_header_tree, hf_capwap_header_mac_length, tvb, offset+plen, 1, ENC_BIG_ENDIAN); plen += 1; if (maclength == 6) { proto_tree_add_item(capwap_header_tree, hf_capwap_header_mac_eui48, tvb, offset+plen, maclength, ENC_NA); } else if (maclength == 8) { proto_tree_add_item(capwap_header_tree, hf_capwap_header_mac_eui64, tvb, offset+plen, maclength, ENC_BIG_ENDIAN); } else { proto_tree_add_item(capwap_header_tree, hf_capwap_header_mac_data, tvb, offset+plen, maclength, ENC_NA); } plen += maclength; /* 4 Bytes Alignment ? */ align = 4-((offset+plen)%4); if (align != 4) { proto_tree_add_item(capwap_header_tree, hf_capwap_header_padding, tvb, offset+plen, align, ENC_NA); plen += align; } } if (flags & 0x20 /* Wireless specific information */) { wirelesslength=tvb_get_guint8(tvb, offset+plen); /* in Draft 8, the WBid is add in Wireless Specific Information*/ if (global_capwap_draft_8_cisco == 1) { plen += 1; wirelesslength = 4; } proto_tree_add_item(capwap_header_tree, hf_capwap_header_wireless_length, tvb, offset+plen, 1, ENC_BIG_ENDIAN); plen += 1; proto_tree_add_item(capwap_header_tree, hf_capwap_header_wireless_data, tvb, offset+plen, wirelesslength, ENC_NA); /* Optional Wireless Specific Information for ieee80211 (wbid = 1) Section 4 of RFC5416 */ if (*payload_wbid == 1) { dissect_capwap_data_message_bindings_ieee80211(tvb, capwap_header_tree, offset+plen, pinfo); } plen += wirelesslength; /* 4 Bytes Alignment ? */ align = 4-((offset+plen)%4); if (align != 4) { proto_tree_add_item(capwap_header_tree, hf_capwap_header_padding, tvb, offset+plen, align, ENC_NA); plen += align; } } if ((plen != hlen) && global_capwap_draft_8_cisco == 0) { expert_add_info_format(pinfo, ti_len, &ei_capwap_header_length_bad, "Wrong calculate length (%d) =! header length (%d) ! (May be try to use Cisco Wireless Controller Support Preference ?)", plen, hlen); } return hlen; } /* Returns the number of bytes consumed by this option. */ static int dissect_capwap_preamble(tvbuff_t *tvb, proto_tree *capwap_control_tree, guint offset, guint8 *type_header) { guint plen = 0; proto_item *ti; proto_tree *capwap_preamble_tree; ti = proto_tree_add_item(capwap_control_tree, hf_capwap_preamble, tvb, offset+plen, -1, ENC_NA); capwap_preamble_tree = proto_item_add_subtree(ti, ett_capwap); proto_tree_add_item(capwap_preamble_tree, hf_capwap_preamble_version, tvb, offset+plen, 1, ENC_NA); proto_tree_add_item(capwap_preamble_tree, hf_capwap_preamble_type, tvb, offset+plen, 1, ENC_NA); *type_header = tvb_get_guint8(tvb, offset+plen) & 0x0F; plen++; /* DTLS Header ? */ if (*type_header == 1) { proto_tree_add_item(capwap_preamble_tree, hf_capwap_preamble_reserved, tvb, offset+plen, 3, ENC_BIG_ENDIAN); plen +=3; } proto_item_set_len(ti, plen); return plen; } /* Code to actually dissect the packets */ static int dissect_capwap_control(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_) { /* Set up structures needed to add the protocol subtree and manage it */ proto_item *ti; proto_tree *capwap_control_tree; guint offset = 0; tvbuff_t *next_tvb = NULL; guint8 type_header; guint8 payload_type; guint8 payload_wbid; gboolean fragment_is; gboolean fragment_more; guint32 fragment_id; guint32 fragment_offset; fragment_head *frag_msg = NULL; gboolean save_fragmented; /* Make entries in Protocol column and Info column on summary display */ col_set_str(pinfo->cinfo, COL_PROTOCOL, "CAPWAP"); col_set_str(pinfo->cinfo, COL_INFO, "CAPWAP-Control"); ti = proto_tree_add_item(tree, proto_capwap, tvb, 0, -1, ENC_NA); capwap_control_tree = proto_item_add_subtree(ti, ett_capwap); /* CAPWAP Preamble */ offset += dissect_capwap_preamble(tvb, capwap_control_tree, offset, &type_header); if (type_header == 1) { next_tvb = tvb_new_subset_remaining (tvb, offset); call_dissector(dtls_handle, next_tvb, pinfo, tree); return offset; } /* CAPWAP Header */ offset += dissect_capwap_header(tvb, capwap_control_tree, offset, pinfo, &payload_type, &payload_wbid, &fragment_is, &fragment_more, &fragment_id, &fragment_offset ); /* CAPWAP Reassemble */ save_fragmented = pinfo->fragmented; if (global_capwap_reassemble && fragment_is) { const int len_rem = tvb_length_remaining(tvb, offset); if (len_rem <= 0) return offset; pinfo->fragmented = TRUE; frag_msg = fragment_add_check(&capwap_reassembly_table, tvb, offset, pinfo, fragment_id, NULL, fragment_offset, len_rem, fragment_more); next_tvb = process_reassembled_data(tvb, offset, pinfo, "Reassembled CAPWAP", frag_msg, &capwap_frag_items, NULL, tree); if (next_tvb == NULL) { /* make a new subset */ next_tvb = tvb_new_subset_remaining(tvb, offset); call_dissector(data_handle, next_tvb, pinfo, tree); col_append_fstr(pinfo->cinfo, COL_INFO, " (Fragment ID: %u, Fragment Offset: %u)", fragment_id, fragment_offset); } else { /* CAPWAP Control Header */ offset = dissect_capwap_control_header(next_tvb, capwap_control_tree, 0, pinfo); /* CAPWAP Message Element */ offset += dissect_capwap_message_element(next_tvb, capwap_control_tree, offset); col_append_fstr(pinfo->cinfo, COL_INFO, " (Reassembled, Fragment ID: %u)", fragment_id); } } else { /* CAPWAP Control Header */ offset += dissect_capwap_control_header(tvb, capwap_control_tree, offset, pinfo); /* CAPWAP Message Element */ offset += dissect_capwap_message_element(tvb, capwap_control_tree, offset); } pinfo->fragmented = save_fragmented; return offset; } /* Code to actually dissect the packets */ static void dissect_capwap_data(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) { /* Set up structures needed to add the protocol subtree and manage it */ proto_item *ti; proto_tree *capwap_data_tree; guint offset = 0; tvbuff_t *next_tvb; guint8 type_header; guint8 payload_type; guint8 payload_wbid; gboolean fragment_is; gboolean fragment_more; guint32 fragment_id; guint32 fragment_offset; fragment_head *frag_msg = NULL; gboolean save_fragmented; /* Make entries in Protocol column and Info column on summary display */ col_set_str(pinfo->cinfo, COL_PROTOCOL, "CAPWAP"); col_set_str(pinfo->cinfo, COL_INFO, "CAPWAP-Data"); ti = proto_tree_add_item(tree, proto_capwap, tvb, 0, -1, ENC_NA); capwap_data_tree = proto_item_add_subtree(ti, ett_capwap); /* CAPWAP Preamble */ offset += dissect_capwap_preamble(tvb, capwap_data_tree, offset, &type_header); if (type_header == 1) { next_tvb = tvb_new_subset_remaining (tvb, offset); call_dissector(dtls_handle, next_tvb, pinfo, tree); return; } /* CAPWAP Header */ offset += dissect_capwap_header(tvb, capwap_data_tree, offset, pinfo, &payload_type, &payload_wbid, &fragment_is, &fragment_more, &fragment_id, &fragment_offset); /* CAPWAP Reassemble */ save_fragmented = pinfo->fragmented; if (global_capwap_reassemble && fragment_is) { gint len_rem = tvb_length_remaining(tvb, offset); if (len_rem <= 0) return; pinfo->fragmented = TRUE; frag_msg = fragment_add_check(&capwap_reassembly_table, tvb, offset, pinfo, fragment_id, NULL, fragment_offset, len_rem, fragment_more); next_tvb = process_reassembled_data(tvb, offset, pinfo, "Reassembled CAPWAP", frag_msg, &capwap_frag_items, NULL, tree); if (next_tvb == NULL) { /* make a new subset */ next_tvb = tvb_new_subset_remaining(tvb, offset); call_dissector(data_handle,next_tvb, pinfo, tree); col_append_fstr(pinfo->cinfo, COL_INFO, " (Fragment ID: %u, Fragment Offset: %u)", fragment_id, fragment_offset); } else { col_append_fstr(pinfo->cinfo, COL_INFO, " (Reassembled, Fragment ID: %u)", fragment_id); } } else { next_tvb = tvb_new_subset_remaining (tvb, offset); } /* CAPWAP Data Payload */ if (payload_type == 0) { /* IEEE 802.3 Frame */ call_dissector(ieee8023_handle, next_tvb, pinfo, tree); } else if (payload_type == 0xff) { /* CAPWAP Keep-Alive Payload */ dissect_capwap_data_keep_alive(next_tvb, pinfo, capwap_data_tree, 0); } else { switch (payload_wbid) { case 0: /* Reserved - Cisco seems to use this instead of 1 */ /* It seems that just calling ieee80211_handle is not * quite enough to get this right, so call data_handle * for now: */ call_dissector(data_handle, next_tvb, pinfo, tree); break; case 1: /* IEEE 802.11 */ call_dissector(global_capwap_swap_frame_control ? ieee80211_bsfc_handle : ieee80211_handle, next_tvb, pinfo, tree); break; default: /* Unknown Data */ call_dissector(data_handle, next_tvb, pinfo, tree); break; } } pinfo->fragmented = save_fragmented; } void proto_register_capwap_control(void) { module_t *capwap_module; static hf_register_info hf[] = { /* Preamble */ { &hf_capwap_preamble, { "Preamble", "capwap.preamble", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL }}, { &hf_capwap_preamble_version, { "Version", "capwap.preamble.version", FT_UINT8, BASE_DEC, NULL, 0xF0, "Version of CAPWAP", HFILL }}, { &hf_capwap_preamble_type, { "Type", "capwap.preamble.type", FT_UINT8, BASE_DEC, VALS(type_header_vals), 0x0F, "Type of Payload", HFILL }}, { &hf_capwap_preamble_reserved, { "Reserved", "capwap.preamble.reserved", FT_UINT24, BASE_DEC, NULL, 0x0, NULL, HFILL }}, /* CAPWAP Header */ { &hf_capwap_header, { "Header", "capwap.header", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL }}, { &hf_capwap_header_hlen, { "Header Length", "capwap.header.length", FT_UINT24, BASE_DEC, NULL, 0xF80000, "Length of the CAPWAP transport header in 4-byte words (similar to IP header length)", HFILL }}, { &hf_capwap_header_rid, { "Radio ID", "capwap.header.rid", FT_UINT24, BASE_DEC, NULL, 0x07C000, NULL, HFILL }}, { &hf_capwap_header_wbid, { "Wireless Binding ID", "capwap.header.wbid", FT_UINT24, BASE_DEC, VALS(type_wbid), 0x003E00, NULL, HFILL }}, { &hf_capwap_header_flags, { "Header Flags", "capwap.header.flags", FT_UINT24, BASE_HEX, NULL, 0x0001FF, NULL, HFILL }}, { &hf_capwap_header_flags_t, { "Payload Type", "capwap.header.flags.t", FT_BOOLEAN, 24, TFS(&flag_type_t), 0x0000100, NULL, HFILL }}, { &hf_capwap_header_flags_f, { "Fragment", "capwap.header.flags.f", FT_BOOLEAN, 24, TFS(&flag_type_f), 0x000080, NULL, HFILL }}, { &hf_capwap_header_flags_l, { "Last Fragment", "capwap.header.flags.l", FT_BOOLEAN, 24, TFS(&flag_type_l), 0x000040, NULL, HFILL }}, { &hf_capwap_header_flags_w, { "Wireless header", "capwap.header.flags.w", FT_BOOLEAN, 24, TFS(&flag_type_w), 0x000020, NULL, HFILL }}, { &hf_capwap_header_flags_m, { "Radio MAC header", "capwap.header.flags.m", FT_BOOLEAN, 24, TFS(&flag_type_m), 0x000010, NULL, HFILL }}, { &hf_capwap_header_flags_k, { "Keep-Alive", "capwap.header.flags.k", FT_BOOLEAN, 24, TFS(&flag_type_k), 0x000008, NULL, HFILL }}, { &hf_capwap_header_flags_r, { "Reserved", "capwap.header.flags.r", FT_BOOLEAN, 24, TFS(&tfs_set_notset), 0x000007, NULL, HFILL }}, { &hf_capwap_header_fragment_id, { "Fragment ID", "capwap.header.fragment.id", FT_UINT16, BASE_DEC, NULL, 0x00, NULL, HFILL }}, { &hf_capwap_header_fragment_offset, { "Fragment Offset", "capwap.header.fragment.offset", FT_UINT16, BASE_DEC, NULL, 0xFFF8, NULL, HFILL }}, { &hf_capwap_header_reserved, { "Reserved", "capwap.header.fragment.reserved", FT_UINT16, BASE_DEC, NULL, 0x0007, NULL, HFILL }}, { &hf_capwap_header_mac_length, { "MAC length", "capwap.header.mac.length", FT_UINT8, BASE_DEC, NULL, 0x00, NULL, HFILL }}, { &hf_capwap_header_mac_eui48, { "MAC address", "capwap.header.mac.eui48", FT_ETHER, BASE_NONE, NULL, 0x00, NULL, HFILL }}, { &hf_capwap_header_mac_eui64, { "MAC address", "capwap.header.mac.eui64", FT_EUI64, BASE_NONE, NULL, 0x00, NULL, HFILL }}, { &hf_capwap_header_mac_data, { "MAC address", "capwap.header.mac.data", FT_BYTES, BASE_NONE, NULL, 0x00, NULL, HFILL }}, { &hf_capwap_header_wireless_length, { "Wireless length", "capwap.header.wireless.length", FT_UINT8, BASE_DEC, NULL, 0x00, NULL, HFILL }}, { &hf_capwap_header_wireless_data, { "Wireless data", "capwap.header.wireless.data", FT_BYTES, BASE_NONE, NULL, 0x00, NULL, HFILL }}, { &hf_capwap_header_wireless_data_ieee80211_fi, { "Wireless data ieee80211 Frame Info", "capwap.header.wireless.data.ieee80211.fi", FT_BYTES, BASE_NONE, NULL, 0x00, NULL, HFILL }}, { &hf_capwap_header_wireless_data_ieee80211_fi_rssi, { "Wireless data ieee80211 RSSI (dBm)", "capwap.header.wireless.data.ieee80211.fi.rssi", FT_UINT8, BASE_DEC, NULL, 0x00, NULL, HFILL }}, { &hf_capwap_header_wireless_data_ieee80211_fi_snr, { "Wireless data ieee80211 SNR (dB)", "capwap.header.wireless.data.ieee80211.fi.snr", FT_UINT8, BASE_DEC, NULL, 0x00, NULL, HFILL }}, { &hf_capwap_header_wireless_data_ieee80211_fi_data_rate, { "Wireless data ieee80211 Data Rate (Mbps)", "capwap.header.wireless.data.ieee80211.fi.data_rate", FT_UINT16, BASE_DEC, NULL, 0x00, NULL, HFILL }}, { &hf_capwap_header_wireless_data_ieee80211_dest_wlan, { "Wireless data ieee80211 Destination WLANs", "capwap.header.wireless.data.ieee80211.dw", FT_BYTES, BASE_NONE, NULL, 0x00, NULL, HFILL }}, { &hf_capwap_header_wireless_data_ieee80211_dw_wlan_id_bitmap, { "Wireless data ieee80211 Destination Wlan Id bitmap", "capwap.header.wireless.data.ieee80211.dw.wlan_id_bitmap", FT_UINT16, BASE_DEC, NULL, 0x00, NULL, HFILL }}, { &hf_capwap_header_wireless_data_ieee80211_dw_reserved, { "Wireless data ieee80211 Destination Wlan reserved", "capwap.header.wireless.data.ieee80211.dw.reserved", FT_UINT16, BASE_DEC, NULL, 0x00, NULL, HFILL }}, { &hf_capwap_header_padding, { "Padding for 4 Byte Alignement", "capwap.header.padding", FT_BYTES, BASE_NONE, NULL, 0x00, NULL, HFILL }}, /* CAPWAP Control Header Message */ { &hf_capwap_control_header, { "Control Header", "capwap.control.header", FT_NONE, BASE_NONE, NULL, 0x00, NULL, HFILL }}, { &hf_capwap_control_header_msg_type, { "Message Type", "capwap.control.header.message_type", FT_UINT32, BASE_DEC, NULL, 0x00, NULL, HFILL }}, { &hf_capwap_control_header_msg_type_enterprise_nbr, { "Message Type (Enterprise Number)", "capwap.control.header.message_type.enterprise_number", FT_UINT32, BASE_DEC|BASE_EXT_STRING, &sminmpec_values_ext, 0x00, NULL, HFILL }}, { &hf_capwap_control_header_msg_type_enterprise_specific, { "Message Type (Enterprise Specific)", "capwap.control.header.message_type.enterprise_specific", FT_UINT8, BASE_DEC, VALS(message_type), 0x00, NULL, HFILL }}, { &hf_capwap_control_header_seq_number, { "Sequence Number", "capwap.control.header.sequence_number", FT_UINT8, BASE_DEC, NULL, 0x00, NULL, HFILL }}, { &hf_capwap_control_header_msg_element_length, { "Message Element Length", "capwap.control.header.message_element_length", FT_UINT16, BASE_DEC, NULL, 0x00, NULL, HFILL }}, { &hf_capwap_control_header_flags, { "Flags", "capwap.control.header.flags", FT_UINT8, BASE_DEC, NULL, 0x00, NULL, HFILL }}, /* CAPWAP Protocol Message Elements */ { &hf_capwap_message_element, { "Message Element", "capwap.message_element", FT_NONE, BASE_NONE, NULL, 0x00, NULL, HFILL }}, { &hf_capwap_msg_element, { "Type", "capwap.message_element", FT_NONE, BASE_NONE, NULL, 0x00, NULL, HFILL }}, { &hf_capwap_msg_element_type, { "Type", "capwap.message_element.type", FT_UINT16, BASE_DEC, VALS(message_element_type_vals), 0x00, "CAPWAP Message Element type", HFILL }}, { &hf_capwap_msg_element_length, { "Length", "capwap.message_element.length", FT_UINT16, BASE_DEC, NULL, 0x00, "CAPWAP Message Element length", HFILL }}, { &hf_capwap_msg_element_value, { "Value", "capwap.message_element.value", FT_BYTES, BASE_NONE, NULL, 0x00, "CAPWAP Message Element value", HFILL }}, /* CAPWAP Protocol Message Element Type */ /* AC Descriptor */ { &hf_capwap_msg_element_type_ac_descriptor_stations, { "Stations", "capwap.control.message_element.ac_descriptor.stations", FT_UINT16, BASE_DEC, NULL, 0x00, NULL, HFILL }}, { &hf_capwap_msg_element_type_ac_descriptor_limit, { "Limit Stations", "capwap.control.message_element.ac_descriptor.limit", FT_UINT16, BASE_DEC, NULL, 0x00, NULL, HFILL }}, { &hf_capwap_msg_element_type_ac_descriptor_active_wtp, { "Active WTPs", "capwap.control.message_element.ac_descriptor.active_wtp", FT_UINT16, BASE_DEC, NULL, 0x00, NULL, HFILL }}, { &hf_capwap_msg_element_type_ac_descriptor_max_wtp, { "Max WTPs", "capwap.control.message_element.ac_descriptor.max_wtp", FT_UINT16, BASE_DEC, NULL, 0x00, NULL, HFILL }}, /* AC Descriptor Security Flags... */ { &hf_capwap_msg_element_type_ac_descriptor_security, { "Security Flags", "capwap.control.message_element.ac_descriptor.security", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL }}, { &hf_capwap_msg_element_type_ac_descriptor_security_s, { "AC supports the pre-shared", "capwap.control.message_element.ac_descriptor.security.s", FT_BOOLEAN, 8, TFS(&tfs_true_false), 0x04, NULL, HFILL }}, { &hf_capwap_msg_element_type_ac_descriptor_security_x, { "AC supports X.509 Certificate", "capwap.control.message_element.ac_descriptor.security.x", FT_BOOLEAN, 8, TFS(&tfs_true_false), 0x02, NULL, HFILL }}, { &hf_capwap_msg_element_type_ac_descriptor_security_r, { "Reserved", "capwap.control.message_element.ac_descriptor.security.r", FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0xF9, NULL, HFILL }}, { &hf_capwap_msg_element_type_ac_descriptor_rmac_field, { "R-MAC Field", "capwap.control.message_element.ac_descriptor.rmac_field", FT_UINT8, BASE_DEC, VALS(rmac_field_vals), 0x00, NULL, HFILL }}, { &hf_capwap_msg_element_type_ac_descriptor_reserved, { "Reserved", "capwap.control.message_element.ac_descriptor.reserved", FT_UINT8, BASE_DEC, NULL, 0x00, NULL, HFILL }}, /* AC Descriptor DTLS Policy Flags... */ { &hf_capwap_msg_element_type_ac_descriptor_dtls_policy, { "DTLS Policy Flags", "capwap.control.message_element.ac_descriptor.dtls_policy", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL }}, { &hf_capwap_msg_element_type_ac_descriptor_dtls_policy_d, { "DTLS-Enabled Data Channel Supported", "capwap.control.message_element.ac_descriptor.dtls_policy.d", FT_BOOLEAN, 8, TFS(&tfs_true_false), 0x04, NULL, HFILL }}, { &hf_capwap_msg_element_type_ac_descriptor_dtls_policy_c, { "Clear Text Data Channel Supported", "capwap.control.message_element.ac_descriptor.dtls_policy.c", FT_BOOLEAN, 8, TFS(&tfs_true_false), 0x02, NULL, HFILL }}, { &hf_capwap_msg_element_type_ac_descriptor_dtls_policy_r, { "Reserved", "capwap.control.message_element.ac_descriptor.dtls_policy.r", FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0xF9, NULL, HFILL }}, { &hf_capwap_msg_element_type_ac_information, { "AC Information", "capwap.control.message_element.ac_information", FT_NONE, BASE_NONE, NULL, 0x00, NULL, HFILL }}, { &hf_capwap_msg_element_type_ac_information_vendor, { "AC Information Vendor", "capwap.control.message_element.ac_information.vendor", FT_UINT32, BASE_DEC|BASE_EXT_STRING, &sminmpec_values_ext, 0x00, NULL, HFILL }}, { &hf_capwap_msg_element_type_ac_information_type, { "AC Information Type", "capwap.control.message_element.ac_information.type", FT_UINT16, BASE_DEC, VALS(ac_information_type_vals), 0x00, NULL, HFILL }}, { &hf_capwap_msg_element_type_ac_information_length, { "AC Information Length", "capwap.control.message_element.ac_information.length", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }}, { &hf_capwap_msg_element_type_ac_information_value, { "AC Information Value", "capwap.control.message_element.ac_information.value", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL }}, { &hf_capwap_msg_element_type_ac_information_hardware_version, { "AC Hardware Version", "capwap.control.message_element.ac_information.hardware_version", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL }}, { &hf_capwap_msg_element_type_ac_information_software_version, { "AC Software Version", "capwap.control.message_element.ac_information.software_version", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL }}, { &hf_capwap_msg_element_type_ac_ipv4_list, { "AC IPv4 List", "capwap.control.message_element.message_element.ac_ipv4_list", FT_IPv4, BASE_NONE, NULL, 0x00, NULL, HFILL }}, { &hf_capwap_msg_element_type_ac_ipv6_list, { "AC IPv6 List", "capwap.control.message_element.message_element.ac_ipv6_list", FT_IPv6, BASE_NONE, NULL, 0x00, NULL, HFILL }}, /* CAPWAP Control IPvX Address*/ { &hf_capwap_msg_element_type_capwap_control_ipv4, { "CAPWAP Control IP Address", "capwap.control.message_element.message_element.capwap_control_ipv4", FT_IPv4, BASE_NONE, NULL, 0x00, NULL, HFILL }}, { &hf_capwap_msg_element_type_capwap_control_ipv6, { "CAPWAP Control IP Address", "capwap.control.message_element.message_element.capwap_control_ipv6", FT_IPv6, BASE_NONE, NULL, 0x00, NULL, HFILL }}, { &hf_capwap_msg_element_type_capwap_control_wtp_count, { "CAPWAP Control WTP Count", "capwap.control.message_element.capwap_control_wtp_count", FT_UINT16, BASE_DEC, NULL, 0x00, NULL, HFILL }}, { &hf_capwap_msg_element_type_capwap_timers_discovery, { "CAPWAP Timers Discovery (Sec)", "capwap.control.message_element.capwap_timers_discovery", FT_UINT8, BASE_DEC, NULL, 0x00, NULL, HFILL }}, { &hf_capwap_msg_element_type_capwap_timers_echo_request, { "CAPWAP Timers Echo Request (Sec)", "capwap.control.message_element.capwap_timers_echo_request", FT_UINT8, BASE_DEC, NULL, 0x00, NULL, HFILL }}, { &hf_capwap_msg_element_type_decryption_error_report_period_radio_id, { "Decryption Error Report Period Radio ID", "capwap.control.message_element.decryption_error_report_period.radio_id", FT_UINT8, BASE_DEC, NULL, 0x00, NULL, HFILL }}, { &hf_capwap_msg_element_type_decryption_error_report_period_interval, { "Decryption Error Report Report Interval (Sec)", "capwap.control.message_element.decryption_error_report_period.interval", FT_UINT16, BASE_DEC, NULL, 0x00, NULL, HFILL }}, { &hf_capwap_msg_element_type_ac_name, { "AC Name", "capwap.control.message_element.ac_name", FT_STRING, BASE_NONE, NULL, 0x00, NULL, HFILL }}, { &hf_capwap_msg_element_type_ac_name_with_priority, { "AC Name Priority", "capwap.control.message_element.ac_name_with_priority", FT_UINT8, BASE_DEC, NULL, 0x00, NULL, HFILL }}, { &hf_capwap_msg_element_type_discovery_type, { "Discovery Type", "capwap.control.message_element.discovery_type", FT_UINT8, BASE_DEC, VALS(discovery_type_vals), 0x00, NULL, HFILL }}, { &hf_capwap_msg_element_type_idle_timeout, { "Idle Timeout (Sec)", "capwap.control.message_element.idle_timeout", FT_UINT32, BASE_DEC, NULL, 0x00, NULL, HFILL }}, { &hf_capwap_msg_element_type_location_data, { "Location Data", "capwap.control.message_element.location_data", FT_STRING, BASE_NONE, NULL, 0x00, NULL, HFILL }}, { &hf_capwap_msg_element_type_maximum_message_length, { "Maximum Message Length", "capwap.control.message_element.maximum_message_length", FT_UINT16, BASE_DEC, NULL, 0x00, NULL, HFILL }}, { &hf_capwap_msg_element_type_radio_admin_id, { "Radio Administrative ID", "capwap.control.message_element.radio_admin.id", FT_UINT8, BASE_DEC, NULL, 0x00, NULL, HFILL }}, { &hf_capwap_msg_element_type_radio_admin_state, { "Radio Administrative State", "capwap.control.message_element.radio_admin.state", FT_UINT8, BASE_DEC, VALS(radio_admin_state_vals), 0x00, NULL, HFILL }}, { &hf_capwap_msg_element_type_radio_op_state_radio_id, { "Radio Operational ID", "capwap.control.message_element.radio_op_state.radio_id", FT_UINT8, BASE_DEC, NULL, 0x00, NULL, HFILL }}, { &hf_capwap_msg_element_type_radio_op_state_radio_state, { "Radio Operational State", "capwap.control.message_element.radio_op_state.radio_state", FT_UINT8, BASE_DEC, VALS(radio_op_state_vals), 0x00, NULL, HFILL }}, { &hf_capwap_msg_element_type_radio_op_state_radio_cause, { "Radio Operational Cause", "capwap.control.message_element.radio_op_state.radio_cause", FT_UINT8, BASE_DEC, VALS(radio_op_cause_vals), 0x00, NULL, HFILL }}, { &hf_capwap_msg_element_type_result_code, { "Result Code", "capwap.control.message_element.result_code", FT_UINT32, BASE_DEC, VALS(result_code_vals), 0x00, NULL, HFILL }}, { &hf_capwap_msg_element_type_session_id, { "Session ID", "capwap.control.message_element.session_id", FT_BYTES, BASE_NONE, NULL, 0x00, NULL, HFILL }}, { &hf_capwap_msg_element_type_statistics_timer, { "Statistics Timer (Sec)", "capwap.control.message_element.statistics_timer", FT_UINT16, BASE_DEC, NULL, 0x00, NULL, HFILL }}, { &hf_capwap_msg_element_type_vsp_vendor_identifier, { "Vendor Identifier", "capwap.control.message_element.vsp.vendor_identifier", FT_UINT32, BASE_DEC|BASE_EXT_STRING, &sminmpec_values_ext, 0x00, NULL, HFILL }}, { &hf_capwap_msg_element_type_vsp_vendor_element_id, { "Vendor Element ID", "capwap.control.message_element.vsp.vendor_element_id", FT_UINT16, BASE_DEC, NULL, 0x00, NULL, HFILL }}, { &hf_capwap_msg_element_type_vsp_vendor_data, { "Vendor Data", "capwap.control.message_element.vsp.vendor_data", FT_BYTES, BASE_NONE, NULL, 0x00, NULL, HFILL }}, { &hf_capwap_msg_element_type_wtp_board_data, { "WTP Board Data", "capwap.control.message_element.wtp_board_data", FT_NONE, BASE_NONE, NULL, 0x00, NULL, HFILL }}, { &hf_capwap_msg_element_type_wtp_board_data_vendor, { "WTP Board Data Vendor", "capwap.control.message_element.wtp_board_data.vendor", FT_UINT32, BASE_DEC|BASE_EXT_STRING, &sminmpec_values_ext, 0x00, NULL, HFILL }}, { &hf_capwap_msg_element_type_wtp_board_data_type, { "Board Data Type", "capwap.control.message_element.wtp_board_data.type", FT_UINT16, BASE_DEC, VALS(board_data_type_vals), 0x00, NULL, HFILL }}, { &hf_capwap_msg_element_type_wtp_board_data_length, { "Board Data Length", "capwap.control.message_element.wtp_board_data.length", FT_UINT16, BASE_DEC, NULL, 0x00, NULL, HFILL }}, { &hf_capwap_msg_element_type_wtp_board_data_value, { "Board Data Value", "capwap.control.message_element.wtp_board_data.value", FT_BYTES, BASE_NONE, NULL, 0x00, NULL, HFILL }}, { &hf_capwap_msg_element_type_wtp_board_data_wtp_model_number, { "WTP Model Number", "capwap.control.message_element.wtp_board_data.wtp_model_number", FT_STRING, BASE_NONE, NULL, 0x00, NULL, HFILL }}, { &hf_capwap_msg_element_type_wtp_board_data_wtp_serial_number, { "WTP Serial Number", "capwap.control.message_element.wtp_board_data.wtp_serial_number", FT_STRING, BASE_NONE, NULL, 0x00, NULL, HFILL }}, { &hf_capwap_msg_element_type_wtp_board_data_wtp_board_id, { "WTP Board ID", "capwap.control.message_element.wtp_board_data.wtp_board_id", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL }}, { &hf_capwap_msg_element_type_wtp_board_data_wtp_board_revision, { "WTP Board Revision", "capwap.control.message_element.wtp_board_data.wtp_board_revision", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL }}, { &hf_capwap_msg_element_type_wtp_board_data_base_mac_address, { "Base Mac Address", "capwap.control.message_element.wtp_board_data.base_mac_address", FT_ETHER, BASE_NONE, NULL, 0x0, NULL, HFILL }}, { &hf_capwap_msg_element_type_wtp_descriptor_max_radios, { "Max Radios", "capwap.control.message_element.wtp_descriptor.max_radios", FT_UINT8, BASE_DEC, NULL, 0x00, NULL, HFILL }}, { &hf_capwap_msg_element_type_wtp_descriptor_radio_in_use, { "Radio in use", "capwap.control.message_element.wtp_descriptor.radio_in_use", FT_UINT8, BASE_DEC, NULL, 0x00, NULL, HFILL }}, { &hf_capwap_msg_element_type_wtp_descriptor_number_encrypt, { "Encryption Capabilities (Number)", "capwap.control.message_element.wtp_descriptor.number_encrypt", FT_UINT8, BASE_DEC, NULL, 0x00, NULL, HFILL }}, { &hf_capwap_msg_element_type_wtp_descriptor_encrypt, { "Encryption Capabilities", "capwap.control.message_element.wtp_descriptor.encrypt", FT_NONE, BASE_NONE, NULL, 0x00, NULL, HFILL }}, { &hf_capwap_msg_element_type_wtp_descriptor_encrypt_reserved, { "Reserved (Encrypt)", "capwap.control.message_element.wtp_descriptor.encrypt_reserved", FT_UINT8, BASE_DEC, NULL, 0xE0, NULL, HFILL }}, { &hf_capwap_msg_element_type_wtp_descriptor_encrypt_wbid, { "Encrypt WBID", "capwap.control.message_element.wtp_descriptor.encrypt_wbid", FT_UINT8, BASE_DEC, VALS(type_wbid), 0x1F, NULL, HFILL }}, { &hf_capwap_msg_element_type_wtp_descriptor_encrypt_capabilities, { "Encryption Capabilities", "capwap.control.message_element.wtp_descriptor.encrypt_capabilities", FT_UINT16, BASE_DEC, NULL, 0x00, NULL, HFILL }}, { &hf_capwap_msg_element_type_wtp_descriptor, { "WTP Descriptor", "capwap.control.message_element.wtp_descriptor", FT_NONE, BASE_NONE, NULL, 0x00, NULL, HFILL }}, { &hf_capwap_msg_element_type_wtp_descriptor_vendor, { "WTP Descriptor Vendor", "capwap.control.message_element.wtp_descriptor.vendor", FT_UINT32, BASE_DEC|BASE_EXT_STRING, &sminmpec_values_ext, 0x00, NULL, HFILL }}, { &hf_capwap_msg_element_type_wtp_descriptor_type, { "Descriptor Type", "capwap.control.message_element.wtp_descriptor.type", FT_UINT16, BASE_DEC, VALS(wtp_descriptor_type_vals), 0x0, NULL, HFILL }}, { &hf_capwap_msg_element_type_wtp_descriptor_length, { "Descriptor Length", "capwap.control.message_element.wtp_descriptor.length", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }}, { &hf_capwap_msg_element_type_wtp_descriptor_value, { "Descriptor Value", "capwap.control.message_element.wtp_descriptor.value", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL }}, { &hf_capwap_msg_element_type_wtp_descriptor_hardware_version, { "WTP Hardware Version", "capwap.control.message_element.wtp_descriptor.hardware_version", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL }}, { &hf_capwap_msg_element_type_wtp_descriptor_active_software_version, { "WTP Active Software Version", "capwap.control.message_element.wtp_descriptor.active_software_version", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL }}, { &hf_capwap_msg_element_type_wtp_descriptor_boot_version, { "WTP Boot Version", "capwap.control.message_element.wtp_descriptor.boot_version", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL }}, { &hf_capwap_msg_element_type_wtp_descriptor_other_software_version, { "WTP Other Software Version", "capwap.control.message_element.wtp_descriptor.other_software_version", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL }}, { &hf_capwap_msg_element_type_wtp_fallback, { "WTP Fallback", "capwap.control.message_element.wtp_fallback", FT_UINT8, BASE_DEC, VALS(wtp_fallback_vals), 0x0, NULL, HFILL }}, { &hf_capwap_msg_element_type_wtp_frame_tunnel_mode, { "WTP Frame Tunnel Mode", "capwap.control.message_element.wtp_frame_tunnel_mode", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL }}, { &hf_capwap_msg_element_type_wtp_frame_tunnel_mode_n, { "Native Frame Tunnel Mode", "capwap.control.message_element.wtp_frame_tunnel_mode.n", FT_BOOLEAN, 8, TFS(&tfs_true_false), 0x08, NULL, HFILL }}, { &hf_capwap_msg_element_type_wtp_frame_tunnel_mode_e, { "802.3 Frame Tunnel Mode", "capwap.control.message_element.wtp_frame_tunnel_mode.e", FT_BOOLEAN, 8, TFS(&tfs_true_false), 0x04, NULL, HFILL }}, { &hf_capwap_msg_element_type_wtp_frame_tunnel_mode_l, { "Local Bridging", "capwap.control.message_element.wtp_frame_tunnel_mode.l", FT_BOOLEAN, 8, TFS(&tfs_true_false), 0x02, NULL, HFILL }}, { &hf_capwap_msg_element_type_wtp_frame_tunnel_mode_r, { "Reserved", "capwap.control.message_element.wtp_frame_tunnel_mode.r", FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0xF1, NULL, HFILL }}, { &hf_capwap_msg_element_type_wtp_mac_type, { "WTP MAC Type", "capwap.control.message_element.wtp_mac_type", FT_UINT8, BASE_DEC, VALS(wtp_mac_vals), 0x0, "The MAC mode of operation supported by the WTP", HFILL }}, { &hf_capwap_msg_element_type_wtp_name, { "WTP Name", "capwap.control.message_element.wtp_name", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL }}, { &hf_capwap_msg_element_type_wtp_reboot_statistics_reboot_count, { "Reboot Count", "capwap.control.message_element.wtp_reboot_statistics.reboot_count", FT_UINT16, BASE_DEC, NULL, 0x0, "The number of reboots that have occurred due to a WTP crash", HFILL }}, { &hf_capwap_msg_element_type_wtp_reboot_statistics_ac_initiated_count, { "AC Initiated Count", "capwap.control.message_element.wtp_reboot_statistics.ac_initiated_count", FT_UINT16, BASE_DEC, NULL, 0x0, "The number of reboots that have occurred at the request of a CAPWAP protocol message", HFILL }}, { &hf_capwap_msg_element_type_wtp_reboot_statistics_link_failure_count, { "Link Failure Count", "capwap.control.message_element.wtp_reboot_statistics.link_failure_count", FT_UINT16, BASE_DEC, NULL, 0x0, "The number of times that a CAPWAP protocol connection with an AC has failed due to link failure", HFILL }}, { &hf_capwap_msg_element_type_wtp_reboot_statistics_sw_failure_count, { "SW Failure Count", "capwap.control.message_element.wtp_reboot_statistics.sw_failure_count", FT_UINT16, BASE_DEC, NULL, 0x0, "The number of times that a CAPWAP protocol connection with an AC has failed due to software-related reasons", HFILL }}, { &hf_capwap_msg_element_type_wtp_reboot_statistics_hw_failure_count, { "HW Failure Count", "capwap.control.message_element.wtp_reboot_statistics.hw_failure_count", FT_UINT16, BASE_DEC, NULL, 0x0, "The number of times that a CAPWAP protocol connection with an AC has failed due to hardware-related reasons", HFILL }}, { &hf_capwap_msg_element_type_wtp_reboot_statistics_other_failure_count, { "Other Failure Count", "capwap.control.message_element.wtp_reboot_statistics.other_failure_count", FT_UINT16, BASE_DEC, NULL, 0x0, "The number of times that a CAPWAP protocol connection with an AC has failed due to known reasons, other than AC initiated, link, SW or HW failure", HFILL }}, { &hf_capwap_msg_element_type_wtp_reboot_statistics_unknown_failure_count, { "Unknown Failure Count", "capwap.control.message_element.wtp_reboot_statistics.unknown_failure_count", FT_UINT16, BASE_DEC, NULL, 0x0, "The number of times that a CAPWAP protocol connection with an AC has failed for unknown reasons", HFILL }}, { &hf_capwap_msg_element_type_wtp_reboot_statistics_last_failure_type, { "Last Failure Type", "capwap.control.message_element.wtp_reboot_statistics.last_failure_type", FT_UINT8, BASE_DEC, VALS(last_failure_type_vals), 0x0, "The failure type of the most recent WTP failure", HFILL }}, { &hf_capwap_msg_element_type_ieee80211_rate_set_radio_id, { "Radio ID", "capwap.control.message_element.ieee80211_rate_set.radio_id", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL }}, { &hf_capwap_msg_element_type_ieee80211_rate_set_rate_set, { "Rate Set", "capwap.control.message_element.ieee80211_rate_set.rate_set", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL }}, { &hf_capwap_msg_element_type_ieee80211_station_session_key_mac, { "Mac Address", "capwap.control.message_element.ieee80211_station_session_key.mac", FT_ETHER, BASE_NONE, NULL, 0x0, "The station's MAC Address", HFILL }}, { &hf_capwap_msg_element_type_ieee80211_station_session_key_flags, { "Flags", "capwap.control.message_element.ieee80211_station_session_key.flags", FT_UINT16, BASE_DEC, NULL, 0x3FFF, NULL, HFILL }}, { &hf_capwap_msg_element_type_ieee80211_station_session_key_flags_a, { "Flag A", "capwap.control.message_element.ieee80211_station_session_key.flags_a", FT_BOOLEAN, 1, NULL, 0x2000, NULL, HFILL }}, { &hf_capwap_msg_element_type_ieee80211_station_session_key_flags_c, { "Flag C", "capwap.control.message_element.ieee80211_station_session_key.flags_c", FT_BOOLEAN, 1, NULL, 0x1000, NULL, HFILL }}, { &hf_capwap_msg_element_type_ieee80211_station_session_key_pairwire_tsc, { "Pairwise TSC", "capwap.control.message_element.ieee80211_station_session_key.pairwire_tsc", FT_BYTES, BASE_NONE, NULL, 0x0, "Transmit Sequence Counter (TSC)", HFILL }}, { &hf_capwap_msg_element_type_ieee80211_station_session_key_pairwire_rsc, { "Pairwise RSC", "capwap.control.message_element.ieee80211_station_session_key.pairwire_rsc", FT_BYTES, BASE_NONE, NULL, 0x0, "Receive Sequence Counter (TSC)", HFILL }}, { &hf_capwap_msg_element_type_ieee80211_station_session_key_key, { "Key", "capwap.control.message_element.ieee80211_station_session_key.key", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL }}, { &hf_capwap_msg_element_type_ieee80211_wtp_radio_info_radio_id, { "Radio ID", "capwap.control.message_element.ieee80211__wtp_radio_info.radio_id", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL }}, { &hf_capwap_msg_element_type_ieee80211_wtp_radio_info_radio_type_reserved, { "Radio Type Reserved", "capwap.control.message_element.ieee80211_wtp_info_radio.radio_type_reserved", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL }}, { &hf_capwap_msg_element_type_ieee80211_wtp_radio_info_radio_type_n, { "Radio Type 802.11n", "capwap.control.message_element.ieee80211_wtp_info_radio.radio_type_n", FT_BOOLEAN, 4, TFS(&tfs_true_false), 0x0008, NULL, HFILL }}, { &hf_capwap_msg_element_type_ieee80211_wtp_radio_info_radio_type_g, { "Radio Type 802.11g", "capwap.control.message_element.ieee80211_wtp_info_radio.radio_type_g", FT_BOOLEAN, 4, TFS(&tfs_true_false), 0x0004, NULL, HFILL }}, { &hf_capwap_msg_element_type_ieee80211_wtp_radio_info_radio_type_a, { "Radio Type 802.11a", "capwap.control.message_element.ieee80211_wtp_info_radio.radio_type_a", FT_BOOLEAN, 4, TFS(&tfs_true_false), 0x0002, NULL, HFILL }}, { &hf_capwap_msg_element_type_ieee80211_wtp_radio_info_radio_type_b, { "Radio Type 802.11g", "capwap.control.message_element.ieee80211_wtp_info_radio.radio_type_b", FT_BOOLEAN, 4, TFS(&tfs_true_false), 0x0001, NULL, HFILL }}, /* Data Channel Keep-Alive entries */ { & hf_capwap_data_keep_alive, { "Keep-Alive", "capwap.keep_alive", FT_NONE, BASE_NONE, NULL, 0x00, NULL, HFILL } }, { & hf_capwap_data_keep_alive_length, { "Message Element Length", "capwap.keep_alive.length", FT_UINT16, BASE_DEC, NULL, 0x00, NULL, HFILL } }, /* Fragment entries */ { &hf_msg_fragments, { "Message fragments", "capwap.fragments", FT_NONE, BASE_NONE, NULL, 0x00, NULL, HFILL } }, { &hf_msg_fragment, { "Message fragment", "capwap.fragment", FT_FRAMENUM, BASE_NONE, NULL, 0x00, NULL, HFILL } }, { &hf_msg_fragment_overlap, { "Message fragment overlap", "capwap.fragment.overlap", FT_BOOLEAN, BASE_NONE, NULL, 0x00, NULL, HFILL } }, { &hf_msg_fragment_overlap_conflicts, { "Message fragment overlapping with conflicting data", "capwap.fragment.overlap.conflicts", FT_BOOLEAN, BASE_NONE, NULL, 0x00, NULL, HFILL } }, { &hf_msg_fragment_multiple_tails, { "Message has multiple tail fragments", "capwap.fragment.multiple_tails", FT_BOOLEAN, BASE_NONE, NULL, 0x00, NULL, HFILL } }, { &hf_msg_fragment_too_long_fragment, { "Message fragment too long", "capwap.fragment.too_long_fragment", FT_BOOLEAN, BASE_NONE, NULL, 0x00, NULL, HFILL } }, { &hf_msg_fragment_error, { "Message defragmentation error", "capwap.fragment.error", FT_FRAMENUM, BASE_NONE, NULL, 0x00, NULL, HFILL } }, { &hf_msg_fragment_count, { "Message fragment count", "capwap.fragment.count", FT_UINT32, BASE_DEC, NULL, 0x00, NULL, HFILL } }, { &hf_msg_reassembled_in, { "Reassembled in", "capwap.reassembled.in", FT_FRAMENUM, BASE_NONE, NULL, 0x00, NULL, HFILL } }, { &hf_msg_reassembled_length, { "Reassembled CAPWAP length", "capwap.reassembled.length", FT_UINT32, BASE_DEC, NULL, 0x00, NULL, HFILL } } }; /* Setup protocol subtree array */ static gint *ett[] = { &ett_capwap, &ett_msg_fragment, &ett_msg_fragments }; static ei_register_info ei[] = { { &ei_capwap_header_length_bad, { "capwap.header.length.bad", PI_MALFORMED, PI_WARN, "Wrong calculate length =! header length", EXPFILL }}, { &ei_capwap_data_keep_alive_length, { "capwap.keep_alive.length.bad", PI_MALFORMED, PI_WARN, "Invalid Keep Alive length", EXPFILL }}, }; expert_module_t* expert_capwap; /* 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)); expert_capwap = expert_register_protocol(proto_capwap); expert_register_field_array(expert_capwap, ei, array_length(ei)); register_init_routine(&capwap_reassemble_init); /* Register preferences module (See Section 2.6 for more on preferences) */ capwap_module = prefs_register_protocol(proto_capwap, proto_reg_handoff_capwap); prefs_register_uint_preference(capwap_module, "udp.port.control", "CAPWAP Control UDP Port", "Set the port for CAPWAP Control messages (if other than the default of 5246)", 10, &global_capwap_control_udp_port); prefs_register_uint_preference(capwap_module, "udp.port.data", "CAPWAP Data UDP Port", "Set the port for CAPWAP Data messages (if other than the default of 5247)", 10, &global_capwap_data_udp_port); prefs_register_bool_preference(capwap_module, "draft_8_cisco", "Cisco Wireless Controller Support", "Enable support of Cisco Wireless Controller (based on old 8 draft revision).", &global_capwap_draft_8_cisco); prefs_register_bool_preference(capwap_module, "reassemble", "Reassemble fragmented CAPWAP packets", "Reassemble fragmented CAPWAP packets.", &global_capwap_reassemble); prefs_register_bool_preference(capwap_module, "swap_fc", "Swap Frame Control", "Swap frame control bytes (needed for some APs).", &global_capwap_swap_frame_control); } void proto_reg_handoff_capwap(void) { static gboolean inited = FALSE; static dissector_handle_t capwap_control_handle, capwap_data_handle; static guint capwap_control_udp_port, capwap_data_udp_port; if (!inited) { capwap_control_handle = new_create_dissector_handle(dissect_capwap_control, proto_capwap); capwap_data_handle = create_dissector_handle(dissect_capwap_data, proto_capwap); dtls_handle = find_dissector("dtls"); ieee8023_handle = find_dissector("eth_withoutfcs"); ieee80211_handle = find_dissector("wlan"); ieee80211_bsfc_handle = find_dissector("wlan_bsfc"); data_handle = find_dissector("data"); inited = TRUE; } else { dissector_delete_uint("udp.port", capwap_control_udp_port, capwap_control_handle); dissector_delete_uint("udp.port", capwap_data_udp_port, capwap_data_handle); } dissector_add_uint("udp.port", global_capwap_control_udp_port, capwap_control_handle); dissector_add_uint("udp.port", global_capwap_data_udp_port, capwap_data_handle); capwap_control_udp_port = global_capwap_control_udp_port; capwap_data_udp_port = global_capwap_data_udp_port; } /* * Editor modelines * * Local Variables: * c-basic-offset: 4 * tab-width: 8 * indent-tabs-mode: nil * End: * * ex: set shiftwidth=4 tabstop=8 expandtab: * :indentSize=4:tabSize=8:noTabs=true: */