/* packet-dhcp.c * Routines for DHCP/BOOTP packet disassembly * * Copyright 1998, Gilbert Ramirez * Copyright 2004, Thomas Anders * * Added option field filters * Copyright 2011, Michael Mann * * Added option 77 : RFC 3004 - The User Class Option for DHCP * Added option 117 : RFC 2937 - The Name Service Search Option for DHCP * Added option 119 : RFC 3397 - Dynamic Host Configuration Protocol (DHCP) Domain Search Option * RFC 3396 - Encoding Long Options in the Dynamic Host Configuration Protocol (DHCPv4) * Improved opt 120 : Add support of RFC 3396 - Encoding Long Options in the Dynamic Host Configuration Protocol (DHCPv4) * Add support compression according to the encoding in Section 4.1.4 of RFC 1035 - DOMAIN NAMES - IMPLEMENTATION AND SPECIFICATION * * * Copyright 2012, Jerome LAFORGE * * The information used comes from: * RFC 951: Bootstrap Protocol * RFC 1035: Domain Names - Implementation And Specification * RFC 1497: BOOTP extensions * RFC 1542: Clarifications and Extensions for the Bootstrap Protocol * RFC 2131: Dynamic Host Configuration Protocol * RFC 2132: DHCP Options and BOOTP Vendor Extensions * RFC 2241: DHCP Options for Novell Directory Services * RFC 2242: NetWare/IP Domain Name and Information * RFC 2489: Procedure for Defining New DHCP Options * RFC 2610: DHCP Options for Service Location Protocol * RFC 2685: Virtual Private Networks Identifier * RFC 2937: The Name Service Search Option for DHCP * RFC 3004: The User Class Option for DHCP * RFC 3046: DHCP Relay Agent Information Option * RFC 3118: Authentication for DHCP Messages * RFC 3203: DHCP reconfigure extension * RFC 3315: Dynamic Host Configuration Protocol for IPv6 (DHCPv6) * RFC 3396: Encoding Long Options in the Dynamic Host Configuration Protocol (DHCPv4) * RFC 3397: Dynamic Host Configuration Protocol (DHCP) Domain Search Option * RFC 3495: DHCP Option (122) for CableLabs Client Configuration * RFC 3594: PacketCable Security Ticket Control Sub-Option (122.9) * RFC 3442: Classless Static Route Option for DHCP version 4 * RFC 3825: Dynamic Host Configuration Protocol Option for Coordinate-based Location Configuration Information * RFC 3925: Vendor-Identifying Vendor Options for Dynamic Host Configuration Protocol version 4 (DHCPv4) * RFC 3942: Reclassifying DHCPv4 Options * RFC 4174: The IPv4 Dynamic Host Configuration Protocol (DHCP) Option for the Internet Storage Name Service * RFC 4243: Vendor-Specific Information Suboption for the Dynamic Host Configuration Protocol (DHCP) Relay Agent Option * RFC 4361: Node-specific Client Identifiers for Dynamic Host Configuration Protocol Version Four (DHCPv4) * RFC 4388: Dynamic Host Configuration Protocol (DHCP) Leasequery * RFC 4578: Dynamic Host Configuration Protocol (DHCP) Options for PXE * RFC 4776: Dynamic Host Configuration Protocol (DHCPv4 and DHCPv6) Option for Civic Addresses Configuration Information * RFC 5192: DHCP Options for Protocol for Carrying Authentication for Network Access (PANA) Authentication Agent * RFC 5223: Discovering Location-to-Service Translation (LoST) Servers Using the Dynamic Host Configuration Protocol (DHCP) * RFC 5417: CAPWAP Access Controller DHCP Option * RFC 5969: IPv6 Rapid Deployment on IPv4 Infrastructures (6rd) * RFC 6225: Dynamic Host Configuration Protocol Options for Coordinate-Based Location Configuration Information * RFC 6607: Virtual Subnet Selection Options for DHCPv4 and DHCPv6 * RFC 6704: Forcerenew Nonce Authentication * RFC 6731: Improved Recursive DNS Server Selection for Multi-Interfaced Nodes * RFC 6926: DHCPv4 Bulk Leasequery * RFC 7291: DHCP Options for the Port Control Protocol (PCP) * RFC 7618: Dynamic Allocation of Shared IPv4 Addresses * RFC 7710: Captive-Portal Identification Using DHCP or Router Advertisements (RAs) * RFC 7839: Access-Network-Identifier Option in DHCP * RFC 8357: Generalized UDP Source Port for DHCP Relay * RFC 8910: Captive-Portal Identification in DHCP and Router Advertisements (RAs) * RFC 8925: IPv6-Only Preferred Option for DHCPv4 * draft-ietf-dhc-fqdn-option-07.txt * TFTP Server Address Option for DHCPv4 [draft-raj-dhc-tftp-addr-option-06.txt: https://tools.ietf.org/html/draft-raj-dhc-tftp-addr-option-06] * BOOTP and DHCP Parameters * https://www.iana.org/assignments/bootp-dhcp-parameters * DOCSIS(TM) 2.0 Radio Frequency Interface Specification * https://specification-search.cablelabs.com/radio-frequency-interface-specification-2 * DOCSIS(TM) 3.0 MAC and Upper Layer Protocols Interface Specification * https://specification-search.cablelabs.com/CM-SP-MULPIv3.0 * PacketCable(TM) 1.0 MTA Device Provisioning Specification * https://specification-search.cablelabs.com/packetcable-mta-device-provisioning-specification * PacketCable(TM) 1.5 MTA Device Provisioning Specification * https://specification-search.cablelabs.com/packetcable-1-5-mta-device-provisioning-specification * PacketCable(TM) 2.0 E-UE Device Provisioning Data Model Specification * https://specification-search.cablelabs.com/e-ue-provisioning-data-model-specification * Business Services over DOCSIS(R) Layer 2 Virtual Private Networks * https://specification-search.cablelabs.com/business-services-over-docsis-layer-2-virtual-private-networks * CableHome(TM) 1.1 Specification * https://web.archive.org/web/20060628173459/http://www.cablelabs.com/projects/cablehome/downloads/specs/CH-SP-CH1.1-I11-060407.pdf * Broadband Forum TR-111 * https://web.archive.org/web/20150307135117/http://www.broadband-forum.org/technical/download/TR-111.pdf * Boot Server Discovery Protocol (BSDP) * https://opensource.apple.com/source/bootp/bootp-198.1/Documentation/BSDP.doc * [MS-DHCPE] DHCPv4 Option Code 77 (0x4D) - User Class Option * https://learn.microsoft.com/en-us/openspecs/windows_protocols/ms-dhcpe/fe8a2dd4-1e8c-4546-bacd-4ae10de02058 * * * Copyright 2023, Colin McInnes * Added additional CableLabs Vendor Class IDs (Option 60) to CableLabs heuristic from: * Remote PHY Specification * https://www.cablelabs.com/specifications/CM-SP-R-PHY * Flexible MAC Architecture System Specification * https://www.cablelabs.com/specifications/CM-SP-FMA-SYS * Data-Over-Cable Service Interface Specifications, eDOCSIS Specification * https://www.cablelabs.com/specifications/CM-SP-eDOCSIS * Data-Over-Cable Service Interface Specifications, IPv4 and IPv6 eRouter Specification * https://www.cablelabs.com/specifications/CM-SP-eRouter * OpenCable Tuning Resolver Interface Specification * https://www.cablelabs.com/specifications/OC-SP-TRIF * DPoE Demarcation Device Specification * https://www.cablelabs.com/specifications/DPoE-SP-DEMARCv1.0 * * Wireshark - Network traffic analyzer * By Gerald Combs * Copyright 1998 Gerald Combs * * SPDX-License-Identifier: GPL-2.0-or-later */ /* * Some of the development of the DHCP/BOOTP protocol decoder was sponsored by * Cable Television Laboratories, Inc. ("CableLabs") based upon proprietary * CableLabs' specifications. Your license and use of this protocol decoder * does not mean that you are licensed to use the CableLabs' * specifications. If you have questions about this protocol, contact * jf.mule [AT] cablelabs.com or c.stuart [AT] cablelabs.com for additional * information. */ #include "config.h" #include /* for sscanf() */ #include #include #include "packet-arp.h" #include "packet-dns.h" /* for get_dns_name() */ #include #include #include #include #include #include #include #include #include #include #include #include void proto_register_dhcp(void); void proto_reg_handoff_dhcp(void); static int dhcp_bootp_tap = -1; static int proto_dhcp = -1; static int hf_dhcp_type = -1; static int hf_dhcp_hw_type = -1; static int hf_dhcp_hw_len = -1; static int hf_dhcp_hops = -1; static int hf_dhcp_id = -1; static int hf_dhcp_secs = -1; static int hf_dhcp_flags = -1; static int hf_dhcp_flags_broadcast = -1; static int hf_dhcp_flags_reserved = -1; static int hf_dhcp_ip_client = -1; static int hf_dhcp_ip_your = -1; static int hf_dhcp_ip_server = -1; static int hf_dhcp_ip_relay = -1; static int hf_dhcp_hw_addr = -1; static int hf_dhcp_hw_addr_padding = -1; static int hf_dhcp_hw_ether_addr = -1; static int hf_dhcp_server = -1; static int hf_dhcp_file = -1; static int hf_dhcp_cookie = -1; static int hf_dhcp_vendor_specific_options = -1; static int hf_dhcp_bootp = -1; static int hf_dhcp_fqdn_flags = -1; static int hf_dhcp_fqdn_s = -1; static int hf_dhcp_fqdn_o = -1; static int hf_dhcp_fqdn_e = -1; static int hf_dhcp_fqdn_n = -1; static int hf_dhcp_fqdn_mbz = -1; static int hf_dhcp_fqdn_rcode1 = -1; static int hf_dhcp_fqdn_rcode2 = -1; static int hf_dhcp_fqdn_name = -1; static int hf_dhcp_fqdn_asciiname = -1; static int hf_dhcp_pkt_mta_cap_len = -1; static int hf_dhcp_pkt_mta_cap_type = -1; static int hf_dhcp_docsis_cm_cap_type = -1; static int hf_dhcp_docsis_cm_cap_len = -1; static int hf_dhcp_client_identifier_uuid = -1; static int hf_dhcp_client_id_iaid = -1; static int hf_dhcp_client_id_duid_type = -1; static int hf_dhcp_client_hardware_address = -1; static int hf_dhcp_client_identifier_duid_llt_hw_type = -1; static int hf_dhcp_client_identifier_duid_ll_hw_type = -1; static int hf_dhcp_client_identifier_time = -1; static int hf_dhcp_client_identifier_link_layer_address = -1; static int hf_dhcp_client_identifier_link_layer_address_ether = -1; static int hf_dhcp_client_identifier_enterprise_num = -1; static int hf_dhcp_client_identifier = -1; static int hf_dhcp_client_identifier_type = -1; static int hf_dhcp_client_identifier_undef = -1; static int hf_dhcp_option_type = -1; static int hf_dhcp_option_length = -1; static int hf_dhcp_option_value = -1; static int hf_dhcp_option_value_8 = -1; static int hf_dhcp_option_value_16 = -1; static int hf_dhcp_option_value_u32 = -1; static int hf_dhcp_option_value_s_secs = -1; static int hf_dhcp_option_value_u_secs = -1; static int hf_dhcp_option_value_stringz = -1; static int hf_dhcp_option_value_ip_address = -1; static int hf_dhcp_option_value_boolean = -1; static int hf_dhcp_suboption_length = -1; static int hf_dhcp_option_padding = -1; /* 0 */ static int hf_dhcp_option_subnet_mask = -1; /* 1 */ static int hf_dhcp_option_time_offset = -1; /* 2 */ static int hf_dhcp_option_router = -1; /* 3 */ static int hf_dhcp_option_time_server = -1; /* 4 */ static int hf_dhcp_option_name_server = -1; /* 5 */ static int hf_dhcp_option_domain_name_server = -1; /* 6 */ static int hf_dhcp_option_log_server = -1; /* 7 */ static int hf_dhcp_option_quotes_server = -1; /* 8 */ static int hf_dhcp_option_lpr_server = -1; /* 9 */ static int hf_dhcp_option_impress_server = -1; /* 10 */ static int hf_dhcp_option_resource_location_server = -1; /* 11 */ static int hf_dhcp_option_hostname = -1; /* 12 */ static int hf_dhcp_option_boot_file_size = -1; /* 13 */ static int hf_dhcp_option_merit_dump_file = -1; /* 14 */ static int hf_dhcp_option_domain_name = -1; /* 15 */ static int hf_dhcp_option_swap_server = -1; /* 16 */ static int hf_dhcp_option_root_path = -1; /* 17 */ static int hf_dhcp_option_extension_path = -1; /* 18 */ static int hf_dhcp_option_ip_forwarding = -1; /* 19 */ static int hf_dhcp_option_non_local_source_routing = -1; /* 20 */ static int hf_dhcp_option_policy_filter_ip = -1; /* 21 - IP address */ static int hf_dhcp_option_policy_filter_subnet_mask = -1; /* 21 - Subnet mask */ static int hf_dhcp_option_max_datagram_reassembly_size = -1; /* 22 */ static int hf_dhcp_option_default_ip_ttl = -1; /* 23 */ static int hf_dhcp_option_path_mtu_aging_timeout = -1; /* 24 */ static int hf_dhcp_option_path_mtu_plateau_table_item = -1; /* 25 */ static int hf_dhcp_option_interface_mtu = -1; /* 26 */ static int hf_dhcp_option_all_subnets_are_local = -1; /* 27 */ static int hf_dhcp_option_broadcast_address = -1; /* 28 */ static int hf_dhcp_option_perform_mask_discovery = -1; /* 29 */ static int hf_dhcp_option_mask_supplier = -1; /* 30 */ static int hf_dhcp_option_perform_router_discover = -1; /* 31 */ static int hf_dhcp_option_router_solicitation_address = -1; /* 32 */ static int hf_dhcp_option_static_route_ip = -1; /* 33 - Destination IP */ static int hf_dhcp_option_static_route_router = -1; /* 33 - Router */ static int hf_dhcp_option_trailer_encapsulation = -1; /* 34 */ static int hf_dhcp_option_arp_cache_timeout = -1; /* 35 */ static int hf_dhcp_option_ethernet_encapsulation = -1; /* 36 */ static int hf_dhcp_option_tcp_default_ttl = -1; /* 37 */ static int hf_dhcp_option_tcp_keepalive_interval = -1; /* 38 */ static int hf_dhcp_option_tcp_keepalive_garbage = -1; /* 39 */ static int hf_dhcp_option_nis_domain = -1; /* 40 */ static int hf_dhcp_option_nis_server = -1; /* 41 */ static int hf_dhcp_option_ntp_server = -1; /* 42 */ static int hf_dhcp_option43_value = -1; /* 43 suboption value */ static int hf_dhcp_option43_value_8 = -1; /* 43 suboption value */ static int hf_dhcp_option43_value_32 = -1; /* 43 suboption value */ static int hf_dhcp_option43_value_stringz = -1; /* 43 suboption value */ static int hf_dhcp_option43_value_ip_address = -1; /* 43 suboption value */ static int hf_dhcp_option43_pxeclient_suboption = -1; /* 43 suboption */ static int hf_dhcp_option43_pxeclient_padding = -1; /* 43:0 PXE */ static int hf_dhcp_option43_pxeclient_mtftp_ip = -1; /* 43:1 PXE */ static int hf_dhcp_option43_pxeclient_mtftp_client_port = -1; /* 43:2 PXE */ static int hf_dhcp_option43_pxeclient_mtftp_server_port = -1; /* 43:3 PXE */ static int hf_dhcp_option43_pxeclient_mtftp_timeout = -1; /* 43:4 PXE */ static int hf_dhcp_option43_pxeclient_mtftp_delay = -1; /* 43:5 PXE */ static int hf_dhcp_option43_pxeclient_discovery_control = -1; /* 43:6 PXE */ static int hf_dhcp_option43_pxeclient_discovery_control_bc = -1; /* 43:6 PXE */ static int hf_dhcp_option43_pxeclient_discovery_control_mc = -1; /* 43:6 PXE */ static int hf_dhcp_option43_pxeclient_discovery_control_serverlist = -1; /* 43:6 PXE */ static int hf_dhcp_option43_pxeclient_discovery_control_bstrap = -1; /* 43:6 PXE */ static int hf_dhcp_option43_pxeclient_multicast_address = -1; /* 43:7 PXE */ static int hf_dhcp_option43_pxeclient_boot_servers = -1; /* 43:8 PXE */ static int hf_dhcp_option43_pxeclient_boot_server_type = -1; /* 43:8 PXE */ static int hf_dhcp_option43_pxeclient_boot_server_count = -1; /* 43:8 PXE */ static int hf_dhcp_option43_pxeclient_boot_server_ip = -1; /* 43:8 PXE */ static int hf_dhcp_option43_pxeclient_boot_menu = -1; /* 43:9 PXE */ static int hf_dhcp_option43_pxeclient_boot_menu_type = -1; /* 43:9 PXE */ static int hf_dhcp_option43_pxeclient_boot_menu_length = -1; /* 43:9 PXE */ static int hf_dhcp_option43_pxeclient_boot_menu_desc = -1; /* 43:9 PXE */ static int hf_dhcp_option43_pxeclient_menu_prompt = -1; /* 43:10 PXE */ static int hf_dhcp_option43_pxeclient_menu_prompt_timeout = -1; /* 43:10 PXE */ static int hf_dhcp_option43_pxeclient_menu_prompt_prompt = -1; /* 43:10 PXE */ static int hf_dhcp_option43_pxeclient_multicast_address_alloc = -1; /* 43:11 PXE */ static int hf_dhcp_option43_pxeclient_credential_types = -1; /* 43:12 PXE */ static int hf_dhcp_option43_pxeclient_boot_item = -1; /* 43:71 PXE */ static int hf_dhcp_option43_pxeclient_boot_item_type = -1; /* 43:71 PXE */ static int hf_dhcp_option43_pxeclient_boot_item_layer = -1; /* 43:71 PXE */ static int hf_dhcp_option43_pxeclient_lcm_server = -1; /* 43:179 PXE */ static int hf_dhcp_option43_pxeclient_lcm_domain = -1; /* 43:180 PXE */ static int hf_dhcp_option43_pxeclient_lcm_nic_option = -1; /* 43:181 PXE */ static int hf_dhcp_option43_pxeclient_lcm_workgroup = -1; /* 43:190 PXE */ static int hf_dhcp_option43_pxeclient_discovery = -1; /* 43:191 PXE */ static int hf_dhcp_option43_pxeclient_configured = -1; /* 43:192 PXE */ static int hf_dhcp_option43_pxeclient_lcm_version = -1; /* 43:193 PXE */ static int hf_dhcp_option43_pxeclient_lcm_serial = -1; /* 43:194 PXE */ static int hf_dhcp_option43_pxeclient_end = -1; /* 43:255 PXE */ static int hf_dhcp_option43_cl_suboption = -1; /* 43 suboption */ static int hf_dhcp_option43_cl_padding = -1; /* 43:0 CL */ static int hf_dhcp_option43_cl_suboption_request_list = -1; /* 43:1 CL */ static int hf_dhcp_option43_cl_device_type = -1; /* 43:2 CL */ static int hf_dhcp_option43_cl_esafe_type = -1; /* 43:3 CL */ static int hf_dhcp_option43_cl_serial_number = -1; /* 43:4 CL */ static int hf_dhcp_option43_cl_hardware_version = -1; /* 43:5 CL */ static int hf_dhcp_option43_cl_software_version = -1; /* 43:6 CL */ static int hf_dhcp_option43_cl_boot_rom_version = -1; /* 43:7 CL */ static int hf_dhcp_option43_cl_oui_bytes = -1; /* 43:8 CL */ static int hf_dhcp_option43_cl_oui_string = -1; /* 43:8 CL */ static int hf_dhcp_option43_cl_model_number = -1; /* 43:9 CL */ static int hf_dhcp_option43_cl_vendor_name10 = -1; /* 43:10 CL */ static int hf_dhcp_option43_cl_address_realm = -1; /* 43:11 CL */ static int hf_dhcp_option43_cl_cm_ps_system_desc = -1; /* 43:12 CL */ static int hf_dhcp_option43_cl_cm_ps_firmware_revision = -1; /* 43:13 CL */ static int hf_dhcp_option43_cl_firewall_policy_file_version = -1; /* 43:14 CL */ static int hf_dhcp_option43_cl_esafe_config_file_devices = -1; /* 43:15 CL */ static int hf_dhcp_option43_cl_video_security_tape = -1; /* 43:18 CL */ static int hf_dhcp_option43_cl_mta_mac_address = -1; /* 43:31 CL */ static int hf_dhcp_option43_cl_correlation_ID = -1; /* 43:32 CL */ static int hf_dhcp_option43_cl_vendor_name51 = -1; /* 43:51 CL */ static int hf_dhcp_option43_cl_cablecard_capability = -1; /* 43:52 CL */ static int hf_dhcp_option43_cl_device_id_ca = -1; /* 43:53 CL */ static int hf_dhcp_option43_cl_device_id_x509 = -1; /* 43:54 CL */ static int hf_dhcp_option43_cl_end = -1; /* 43:255 CL */ static int hf_dhcp_option43_aerohive_suboption = -1; /* 43 suboption */ static int hf_dhcp_option43_aerohive_unknown = -1; /* 43:X AEROHIVE */ static int hf_dhcp_option43_aerohive_xiqhostname = -1; /* 43:225 AEROHIVE */ static int hf_dhcp_option43_aerohive_xiqipaddress = -1; /* 43:226 AEROHIVE */ static int hf_dhcp_option43_bsdp_suboption = -1; /* 43 suboption */ static int hf_dhcp_option43_bsdp_message_type = -1; /* 43:1 BSDP */ static int hf_dhcp_option43_bsdp_version = -1; /* 43:2 BSDP */ static int hf_dhcp_option43_bsdp_server_identifier = -1; /* 43:3 BSDP */ static int hf_dhcp_option43_bsdp_server_priority = -1; /* 43:4 BSDP */ static int hf_dhcp_option43_bsdp_reply_port = -1; /* 43:5 BSDP */ static int hf_dhcp_option43_bsdp_boot_image_list_path = -1; /* 43:6 BSDP */ static int hf_dhcp_option43_bsdp_default_boot_image_id = -1; /* 43:7 BSDP */ static int hf_dhcp_option43_bsdp_selected_boot_image_id = -1; /* 43:8 BSDP */ static int hf_dhcp_option43_bsdp_boot_image_list = -1; /* 43:9 BSDP */ static int hf_dhcp_option43_bsdp_netboot_firmware = -1; /* 43:10 BSDP */ static int hf_dhcp_option43_bsdp_attributes_filter_list = -1; /* 43:11 BSDP */ static int hf_dhcp_option43_bsdp_message_size = -1; /* 43:12 BSDP */ static int hf_dhcp_option43_bsdp_boot_image_index = -1; /* 43 BSDP */ static int hf_dhcp_option43_bsdp_boot_image_attribute = -1; /* 43 BSDP */ static int hf_dhcp_option43_bsdp_boot_image_attribute_install = -1; /* 43 BSDP */ static int hf_dhcp_option43_bsdp_boot_image_attribute_kind = -1; /* 43 BSDP */ static int hf_dhcp_option43_bsdp_boot_image_attribute_reserved = -1; /* 43 BSDP */ static int hf_dhcp_option43_bsdp_image_desc = -1; /* 43 BSDP */ static int hf_dhcp_option43_bsdp_boot_image_name = -1; /* 43 BSDP */ static int hf_dhcp_option43_bsdp_boot_image_name_len = -1; /* 43 BSDP */ static int hf_dhcp_option43_cisco_suboption = -1; /* 43 Cisco */ static int hf_dhcp_option43_cisco_unknown = -1; /* 43 Cisco */ static int hf_dhcp_option43_cisco_unknown1 = -1; /* 43:1 Cisco */ static int hf_dhcp_option43_cisco_unknown2 = -1; /* 43:2 Cisco */ static int hf_dhcp_option43_cisco_unknown3 = -1; /* 43:3 Cisco */ static int hf_dhcp_option43_cisco_nodeid = -1; /* 43:4 Cisco */ static int hf_dhcp_option43_cisco_unknown5 = -1; /* 43:5 Cisco */ static int hf_dhcp_option43_cisco_unknown6 = -1; /* 43:6 Cisco */ static int hf_dhcp_option43_cisco_model = -1; /* 43:7 Cisco */ static int hf_dhcp_option43_cisco_apicuuid = -1; /* 43:8 Cisco */ static int hf_dhcp_option43_cisco_fabricname = -1; /* 43:9 Cisco */ static int hf_dhcp_option43_cisco_unknown10 = -1; /* 43:10 Cisco */ static int hf_dhcp_option43_cisco_serialno = -1; /* 43:11 Cisco */ static int hf_dhcp_option43_cisco_clientint = -1; /* 43:12 Cisco */ static int hf_dhcp_option43_alcatel_suboption = -1; /* 43 suboption */ static int hf_dhcp_option43_alcatel_padding = -1; /* 43:0 Alcatel */ static int hf_dhcp_option43_alcatel_vlan_id = -1; /* 43:58 Alcatel */ static int hf_dhcp_option43_alcatel_tftp1 = -1; /* 43:64 Alcatel */ static int hf_dhcp_option43_alcatel_tftp2 = -1; /* 43:65 Alcatel */ static int hf_dhcp_option43_alcatel_app_type = -1; /* 43:66 Alcatel */ static int hf_dhcp_option43_alcatel_sip_url = -1; /* 43:67 Alcatel */ static int hf_dhcp_option43_alcatel_end = -1; /* 43:255 Alcatel */ static int hf_dhcp_option43_arubaap_controllerip = -1; /* 43: ArubaAP*/ static int hf_dhcp_option43_arubaiap = -1; /* 43: ArubaIAP*/ static int hf_dhcp_option43_arubaiap_nameorg = -1; /* 43: ArubaIAP: Name Organisation*/ static int hf_dhcp_option43_arubaiap_ampip = -1; /* 43: ArubaIAP: AMP IP Address*/ static int hf_dhcp_option43_arubaiap_password = -1; /* 43 :ArubaIAP: Password*/ static int hf_dhcp_option_netbios_over_tcpip_name_server = -1; /* 44 */ static int hf_dhcp_option_netbios_over_tcpip_dd_name_server = -1; /* 45 */ static int hf_dhcp_option_netbios_over_tcpip_node_type = -1; /* 46 */ static int hf_dhcp_option_netbios_over_tcpip_scope = -1; /* 47 */ static int hf_dhcp_option_xwindows_system_font_server = -1; /* 48 */ static int hf_dhcp_option_xwindows_system_display_manager = -1; /* 49 */ static int hf_dhcp_option_requested_ip_address = -1; /* 50 */ static int hf_dhcp_option_ip_address_lease_time = -1; /* 51 */ static int hf_dhcp_option_option_overload = -1; /* 52 */ static int hf_dhcp_option_dhcp = -1; /* 53 */ static int hf_dhcp_option_dhcp_server_id = -1; /* 54 */ static int hf_dhcp_option_parameter_request_list_item = -1; /* 55 */ static int hf_dhcp_option_message = -1; /* 56 */ static int hf_dhcp_option_dhcp_max_message_size = -1; /* 57 */ static int hf_dhcp_option_renewal_time_value = -1; /* 58 */ static int hf_dhcp_option_rebinding_time_value = -1; /* 59 */ static int hf_dhcp_option_vendor_class_id = -1; /* 60 */ static int hf_dhcp_option_vendor_class_data = -1; /* 60 */ static int hf_dhcp_option_novell_netware_ip_domain = -1; /* 62 */ static int hf_dhcp_option63_suboption = -1; /* 63 suboption */ static int hf_dhcp_option63_value = -1; /* 63 suboption value */ static int hf_dhcp_option63_value_8 = -1; /* 63 suboption value */ static int hf_dhcp_option63_value_ip_address = -1; /* 63 suboption value */ static int hf_dhcp_option63_value_boolean = -1; /* 63 suboption value */ static int hf_dhcp_option63_broadcast = -1; /* 63:5 */ static int hf_dhcp_option63_preferred_dss_server = -1; /* 63:6 */ static int hf_dhcp_option63_nearest_nwip_server = -1; /* 63:7 */ static int hf_dhcp_option63_autoretries = -1; /* 63:8 */ static int hf_dhcp_option63_autoretry_delay = -1; /* 63:9 */ static int hf_dhcp_option63_support_netware_v1_1 = -1; /* 63:10 */ static int hf_dhcp_option63_primary_dss = -1; /* 63:11 */ static int hf_dhcp_option_nis_plus_domain = -1; /* 64 */ static int hf_dhcp_option_nis_plus_server = -1; /* 65 */ static int hf_dhcp_option_tftp_server_name = -1; /* 66 */ static int hf_dhcp_option_bootfile_name = -1; /* 67 */ static int hf_dhcp_option_mobile_ip_home_agent = -1; /* 68 */ static int hf_dhcp_option_smtp_server = -1; /* 69 */ static int hf_dhcp_option_pop3_server = -1; /* 70 */ static int hf_dhcp_option_nntp_server = -1; /* 71 */ static int hf_dhcp_option_default_www_server = -1; /* 72 */ static int hf_dhcp_option_default_finger_server = -1; /* 73 */ static int hf_dhcp_option_default_irc_server = -1; /* 74 */ static int hf_dhcp_option_streettalk_server = -1; /* 75 */ static int hf_dhcp_option_streettalk_da_server = -1; /* 76 */ static int hf_dhcp_option77_user_class = -1; /* 77 User Class instance */ static int hf_dhcp_option77_user_class_length = -1; /* 77 length of User Class instance */ static int hf_dhcp_option77_user_class_data = -1; /* 77 data of User Class instance */ static int hf_dhcp_option77_user_class_text = -1; /* 77 User class text */ static int hf_dhcp_option77_user_class_binary_data_length = -1; /* 77, Microsoft */ static int hf_dhcp_option77_user_class_binary_data = -1; /* 77, Microsoft */ static int hf_dhcp_option77_user_class_padding = -1; /* 77, Microsoft */ static int hf_dhcp_option77_user_class_name_length = -1; /* 77, Microsoft */ static int hf_dhcp_option77_user_class_name = -1; /* 77, Microsoft */ static int hf_dhcp_option77_user_class_description_length = -1; /* 77, Microsoft */ static int hf_dhcp_option77_user_class_description = -1; /* 77, Microsoft */ static int hf_dhcp_option_slp_directory_agent_value = -1; /* 78 */ static int hf_dhcp_option_slp_directory_agent_slpda_address = -1; /* 78 */ static int hf_dhcp_option_slp_service_scope_value = -1; /* 79 */ static int hf_dhcp_option_slp_service_scope_string = -1; /* 79 */ static int hf_dhcp_option82_suboption = -1; /* 82 suboption */ static int hf_dhcp_option82_value = -1; /* 82 suboption value */ static int hf_dhcp_option82_value_8 = -1; /* 82 suboption value */ static int hf_dhcp_option82_value_16 = -1; /* 82 suboption value */ static int hf_dhcp_option82_value_32 = -1; /* 82 suboption value */ static int hf_dhcp_option82_value_ip_address = -1; /* 82 suboption value */ static int hf_dhcp_option82_value_stringz = -1; /* 82 suboption value */ static int hf_dhcp_option82_padding = -1; /* 82:0 */ static int hf_dhcp_option82_agent_circuit_id = -1; /* 82:1 */ static int hf_dhcp_option82_agent_remote_id = -1; /* 82:2 */ static int hf_dhcp_option82_reserved = -1; /* 82:3 */ static int hf_dhcp_option82_docsis_device_class = -1; /* 82:4 */ static int hf_dhcp_option82_link_selection = -1; /* 82:5 */ static int hf_dhcp_option82_subscriber_id = -1; /* 82:6 */ static int hf_dhcp_option82_radius_attributes = -1; /* 82:7 */ static int hf_dhcp_option82_authentication = -1; /* 82:8 */ static int hf_dhcp_option82_vi = -1; /* 82:9 */ /* 82:9 suboptions */ static int hf_dhcp_option82_vi_enterprise = -1; static int hf_dhcp_option82_vi_data_length = -1; static int hf_dhcp_option82_vi_cl_docsis_version = -1; /* 82:9:4491:1 */ static int hf_dhcp_option82_vi_cl_dpoe_system_version = -1; /* 82:9:4491:2 */ static int hf_dhcp_option82_vi_cl_dpoe_system_pbb_service = -1; /* 82:9:4491:4 */ static int hf_dhcp_option82_vi_cl_service_class_name = -1; /* 82:9:4491:5 */ static int hf_dhcp_option82_vi_cl_mso_defined_text = -1; /* 82:9:4491:6 */ static int hf_dhcp_option82_vi_cl_secure_file_transfer_uri = -1; /* 82:9:4491:7 */ /* 82:9 suboptions end */ static int hf_dhcp_option82_flags = -1; /* 82:10 */ static int hf_dhcp_option82_server_id_override = -1; /* 82:11 */ static int hf_dhcp_option82_relay_agent_id = -1; /* 82:12 */ static int hf_dhcp_option82_option_ani_att = -1; /* 82:13 */ static int hf_dhcp_option82_option_ani_att_res = -1; static int hf_dhcp_option82_option_ani_att_att = -1; static int hf_dhcp_option82_option_ani_network_name = -1; /* 82:14 */ static int hf_dhcp_option82_option_ani_ap_name = -1; /* 82:15 */ static int hf_dhcp_option82_option_ani_ap_bssid = -1; /* 82:16 */ static int hf_dhcp_option82_option_ani_operator_id = -1; /* 82:17 */ static int hf_dhcp_option82_option_ani_operator_realm = -1; /* 82:18 */ static int hf_dhcp_option82_option_source_port = -1; /* 82:19 */ static int hf_dhcp_option82_link_selection_cisco = -1; /* 82:150 */ static int hf_dhcp_option82_vrf_name_vpn_id = -1; /* 82:151 */ /* 82:151 suboptions */ static int hf_dhcp_option82_vrf_name_global = -1; static int hf_dhcp_option82_vrf_name = -1; static int hf_dhcp_option82_vrf_name_vpn_id_oui = -1; static int hf_dhcp_option82_vrf_name_vpn_id_index = -1; /* 82:151 suboptions end */ static int hf_dhcp_option82_server_id_override_cisco = -1; /* 82:152 */ static int hf_dhcp_option_isns_functions = -1; static int hf_dhcp_option_isns_functions_enabled = -1; static int hf_dhcp_option_isns_functions_dd_authorization = -1; static int hf_dhcp_option_isns_functions_sec_policy_distibution = -1; static int hf_dhcp_option_isns_functions_reserved = -1; static int hf_dhcp_option_isns_discovery_domain_access = -1; static int hf_dhcp_option_isns_discovery_domain_access_enabled = -1; static int hf_dhcp_option_isns_discovery_domain_access_control_node = -1; static int hf_dhcp_option_isns_discovery_domain_access_iscsi_target = -1; static int hf_dhcp_option_isns_discovery_domain_access_iscsi_inititator = -1; static int hf_dhcp_option_isns_discovery_domain_access_ifcp_target_port = -1; static int hf_dhcp_option_isns_discovery_domain_access_ifcp_initiator_port = -1; static int hf_dhcp_option_isns_discovery_domain_access_reserved = -1; static int hf_dhcp_option_isns_administrative_flags = -1; static int hf_dhcp_option_isns_administrative_flags_enabled = -1; static int hf_dhcp_option_isns_administrative_flags_heartbeat = -1; static int hf_dhcp_option_isns_administrative_flags_management_scns = -1; static int hf_dhcp_option_isns_administrative_flags_default_dd = -1; static int hf_dhcp_option_isns_administrative_flags_reserved = -1; static int hf_dhcp_option_isns_server_security_bitmap = -1; static int hf_dhcp_option_isns_server_security_bitmap_enabled = -1; static int hf_dhcp_option_isns_server_security_bitmap_ike_ipsec_enabled = -1; static int hf_dhcp_option_isns_server_security_bitmap_main_mode = -1; static int hf_dhcp_option_isns_server_security_bitmap_aggressive_mode = -1; static int hf_dhcp_option_isns_server_security_bitmap_pfs = -1; static int hf_dhcp_option_isns_server_security_bitmap_transport_mode = -1; static int hf_dhcp_option_isns_server_security_bitmap_tunnel_mode = -1; static int hf_dhcp_option_isns_server_security_bitmap_reserved = -1; static int hf_dhcp_option_isns_heartbeat_originator_addr = -1; static int hf_dhcp_option_isns_primary_server_addr = -1; static int hf_dhcp_option_isns_secondary_server_addr_list = -1; static int hf_dhcp_option_novell_dss_string = -1; /* 85 */ static int hf_dhcp_option_novell_dss_ip = -1; /* 85 */ static int hf_dhcp_option_novell_ds_tree_name = -1; /* 86 */ static int hf_dhcp_option_novell_ds_context = -1; /* 87 */ static int hf_dhcp_option_dhcp_authentication_protocol = -1; /* 90 */ static int hf_dhcp_option_dhcp_authentication_alg_delay = -1; /* 90 */ static int hf_dhcp_option_dhcp_authentication_algorithm = -1; /* 90 */ static int hf_dhcp_option_dhcp_authentication_rdm = -1; /* 90 */ static int hf_dhcp_option_dhcp_authentication_rdm_replay_detection = -1; /* 90 */ static int hf_dhcp_option_dhcp_authentication_rdm_rdv = -1; /* 90 */ static int hf_dhcp_option_dhcp_authentication_secret_id = -1; /* 90 */ static int hf_dhcp_option_dhcp_authentication_hmac_md5_hash = -1; /* 90 */ static int hf_dhcp_option_dhcp_authentication_information = -1; /* 90 */ static int hf_dhcp_option_client_last_transaction_time = -1; /* 91 */ static int hf_dhcp_option_associated_ip_option = -1; /* 92 */ static int hf_dhcp_option_client_system_architecture = -1; /* 93 */ static int hf_dhcp_option_client_network_id_major_ver = -1; /* 94 */ static int hf_dhcp_option_client_network_id_minor_ver = -1; /* 94 */ static int hf_dhcp_option_civic_location_what = -1; /* 99 */ static int hf_dhcp_option_civic_location_country = -1; /* 99 */ static int hf_dhcp_option_civic_location_ca_type = -1; /* 99 */ static int hf_dhcp_option_civic_location_ca_length = -1; /* 99 */ static int hf_dhcp_option_civic_location_ca_value = -1; /* 99 */ static int hf_dhcp_option_tz_pcode = -1; /* 100 */ static int hf_dhcp_option_tz_tcode = -1; /* 101 */ static int hf_dhcp_option_netinfo_parent_server_address = -1; /* 112 */ static int hf_dhcp_option_netinfo_parent_server_tag = -1; /* 113 */ static int hf_dhcp_option_captive_portal = -1; /* 114 (ex 160) */ static int hf_dhcp_option_dhcp_auto_configuration = -1; /* 116 */ static int hf_dhcp_option_dhcp_name_service_search_option = -1; /* 117 */ static int hf_dhcp_option_dhcp_dns_domain_search_list_rfc_3396_detected = -1; /* 119 */ static int hf_dhcp_option_dhcp_dns_domain_search_list_refer_last_option = -1; /* 119 */ static int hf_dhcp_option_dhcp_dns_domain_search_list_fqdn = -1; /* 119 */ static int hf_dhcp_option_sip_server_rfc_3396_detected = -1; /* 120 */ static int hf_dhcp_option_sip_server_refer_last_option = -1; /* 120 */ static int hf_dhcp_option_sip_server_enc = -1; /* 120 */ static int hf_dhcp_option_sip_server_name = -1; /* 120 */ static int hf_dhcp_option_sip_server_address = -1; /* 120 */ static int hf_dhcp_option_classless_static_route = -1; /* 120 */ static int hf_dhcp_option_rfc3825_error = -1; /* 123 */ static int hf_dhcp_option_rfc3825_latitude = -1; /* 123 */ static int hf_dhcp_option_rfc3825_longitude = -1; /* 123 */ static int hf_dhcp_option_rfc3825_latitude_res = -1; /* 123 */ static int hf_dhcp_option_rfc3825_longitude_res = -1; /* 123 */ static int hf_dhcp_option_rfc3825_altitude = -1; /* 123 */ static int hf_dhcp_option_rfc3825_altitude_res = -1; /* 123 */ static int hf_dhcp_option_rfc3825_altitude_type = -1; /* 123 */ static int hf_dhcp_option_rfc3825_map_datum = -1; /* 123 */ static int hf_dhcp_option_cl_dss_id_option = -1; /* 123 CL */ static int hf_dhcp_option_cl_dss_id_len = -1; /* 123 CL */ static int hf_dhcp_option_cl_dss_id = -1; /* 123 CL */ static int hf_dhcp_option_vi_class_cl_address_mode = -1; /* 124 */ static int hf_dhcp_option_vi_class_enterprise = -1; /* 124 */ static int hf_dhcp_option_vi_class_data_length = -1; /* 124 */ static int hf_dhcp_option_vi_class_data_item_length = -1; /* 124 */ static int hf_dhcp_option_vi_class_data_item_data = -1; /* 124 */ static int hf_dhcp_option125_enterprise = -1; static int hf_dhcp_option125_length = -1; static int hf_dhcp_option125_value = -1; /* 125 suboption value */ static int hf_dhcp_option125_value_8 = -1; /* 125 suboption value */ static int hf_dhcp_option125_value_16 = -1; /* 125 suboption value */ static int hf_dhcp_option125_value_ip_address = -1; /* 125 suboption value */ static int hf_dhcp_option125_value_stringz = -1; /* 125 suboption value */ static int hf_dhcp_option125_tr111_suboption = -1; /* 125 suboption */ static int hf_dhcp_option125_tr111_device_manufacturer_oui = -1; /* 125:TR-111 1 */ static int hf_dhcp_option125_tr111_device_serial_number = -1; /* 125:TR-111 2 */ static int hf_dhcp_option125_tr111_device_product_class = -1; /* 125:TR-111 3 */ static int hf_dhcp_option125_tr111_gateway_manufacturer_oui = -1; /* 125:TR-111 4 */ static int hf_dhcp_option125_tr111_gateway_serial_number = -1; /* 125:TR-111 5 */ static int hf_dhcp_option125_tr111_gateway_product_class = -1; /* 125:TR-111 6 */ static int hf_dhcp_option125_cl_suboption = -1; /* 125 suboption */ static int hf_dhcp_option125_cl_option_request = -1; /* 125:CL 1 */ static int hf_dhcp_option125_cl_tftp_server_addresses = -1; /* 125:CL 2 */ static int hf_dhcp_option125_cl_erouter_container_option = -1; /* 125:CL 3 */ static int hf_dhcp_option125_cl_mib_environment_indicator_option = -1; /* 125:CL 4 */ static int hf_dhcp_option125_cl_modem_capabilities = -1; /* 125:CL 5 */ static int hf_dhcp_option_subnet_selection_option = -1; /* 118 */ static int hf_dhcp_option_pana_agent = -1; /* 136 */ static int hf_dhcp_option_lost_server_domain_name = -1; /* 137 */ static int hf_dhcp_option_capwap_access_controller = -1; /* 138 */ static int hf_dhcp_option_andsf_server = -1; /* 142 */ static int hf_dhcp_option_forcerenew_nonce_algo = -1; /* 145 */ static int hf_dhcp_option_rdnss_reserved = -1; /* 146 */ static int hf_dhcp_option_rdnss_pref = -1; /* 146 */ static int hf_dhcp_option_rdnss_prim_dns_server = -1; /* 146 */ static int hf_dhcp_option_rdnss_sec_dns_server = -1; /* 146 */ static int hf_dhcp_option_rdnss_domain = -1; /* 146 */ static int hf_dhcp_option_tftp_server_address = -1; /* 150 */ static int hf_dhcp_option_bulk_lease_status_code = -1; /* 151 */ static int hf_dhcp_option_bulk_lease_status_message = -1; /* 151 */ static int hf_dhcp_option_bulk_lease_base_time = -1; /* 152 */ static int hf_dhcp_option_bulk_lease_start_time_of_state = -1; /* 153 */ static int hf_dhcp_option_bulk_lease_query_start = -1; /* 154 */ static int hf_dhcp_option_bulk_lease_query_end = -1; /* 155 */ static int hf_dhcp_option_bulk_lease_dhcp_state = -1; /* 156 */ static int hf_dhcp_option_bulk_lease_data_source = -1; /* 157 */ static int hf_dhcp_option_pcp_list_length = -1; /* 158 */ static int hf_dhcp_option_pcp_server = -1; /* 158 */ static int hf_dhcp_option_portparams_offset = -1; /* 159 */ static int hf_dhcp_option_portparams_psid_length = -1; /* 159 */ static int hf_dhcp_option_portparams_psid = -1; /* 159 */ static int hf_dhcp_option_mudurl = -1; /* 161 */ static int hf_dhcp_option_pxe_config_file = -1; /* 209 */ static int hf_dhcp_option_pxe_path_prefix = -1; /* 210 */ static int hf_dhcp_option_6RD_ipv4_mask_len = -1; /* 212 */ static int hf_dhcp_option_6RD_prefix_len = -1; /* 212 */ static int hf_dhcp_option_6RD_prefix = -1; /* 212 */ static int hf_dhcp_option_6RD_border_relay_ip = -1; /* 212 */ static int hf_dhcp_option242_avaya = -1; /* 242 */ static int hf_dhcp_option242_avaya_tlssrvr = -1; /* 242 */ static int hf_dhcp_option242_avaya_httpsrvr = -1; /* 242 */ static int hf_dhcp_option242_avaya_httpdir = -1; /* 242 */ static int hf_dhcp_option242_avaya_static = -1; /* 242 */ static int hf_dhcp_option242_avaya_mcipadd = -1; /* 242 */ static int hf_dhcp_option242_avaya_dot1x = -1; /* 242 */ static int hf_dhcp_option242_avaya_icmpdu = -1; /* 242 */ static int hf_dhcp_option242_avaya_icmpred = -1; /* 242 */ static int hf_dhcp_option242_avaya_l2q = -1; /* 242 */ static int hf_dhcp_option242_avaya_l2qvlan = -1; /* 242 */ static int hf_dhcp_option242_avaya_loglocal = -1; /* 242 */ static int hf_dhcp_option242_avaya_phy1stat = -1; /* 242 */ static int hf_dhcp_option242_avaya_phy2stat = -1; /* 242 */ static int hf_dhcp_option242_avaya_procpswd = -1; /* 242 */ static int hf_dhcp_option242_avaya_procstat = -1; /* 242 */ static int hf_dhcp_option242_avaya_snmpadd = -1; /* 242 */ static int hf_dhcp_option242_avaya_snmpstring = -1; /* 242 */ static int hf_dhcp_option242_avaya_vlantest = -1; /* 242 */ static int hf_dhcp_option_private_proxy_autodiscovery = -1; /* 252 */ static int hf_dhcp_option_end = -1; /* 255 */ static int hf_dhcp_option_end_overload = -1; /* 255 (with overload)*/ static int hf_dhcp_vendor_unknown_suboption = -1; static int hf_dhcp_suboption_data = -1; static int hf_dhcp_pc_ietf_ccc_suboption = -1; static int hf_dhcp_pc_i05_ccc_suboption = -1; static int hf_dhcp_cl_ietf_ccc_dev_realm_unc_key_nom_timeout = -1; static int hf_dhcp_cl_ietf_ccc_dev_realm_unc_key_max_timeout = -1; static int hf_dhcp_cl_ietf_ccc_dev_realm_unc_key_max_retries = -1; static int hf_dhcp_cl_ietf_ccc_dev_prov_unc_key_nom_timeout = -1; static int hf_dhcp_cl_ietf_ccc_dev_prov_unc_key_max_timeout = -1; static int hf_dhcp_cl_ietf_ccc_dev_prov_unc_key_max_retries = -1; static gint ett_dhcp = -1; static gint ett_dhcp_flags = -1; static gint ett_dhcp_option = -1; static gint ett_dhcp_option43_suboption = -1; static gint ett_dhcp_option43_suboption_discovery = -1; static gint ett_dhcp_option43_suboption_tree = -1; static gint ett_dhcp_option63_suboption = -1; static gint ett_dhcp_option77_instance = -1; static gint ett_dhcp_option82_suboption = -1; static gint ett_dhcp_option82_suboption9 = -1; static gint ett_dhcp_option124_vendor_class_data_item = -1; static gint ett_dhcp_option125_suboption = -1; static gint ett_dhcp_option125_tr111_suboption = -1; static gint ett_dhcp_option125_cl_suboption = -1; static gint ett_dhcp_option242_suboption = -1; static gint ett_dhcp_fqdn = -1; static gint ett_dhcp_fqdn_flags = -1; static gint ett_dhcp_filename_option = -1; static gint ett_dhcp_server_hostname = -1; static gint ett_dhcp_isns_functions = -1; static gint ett_dhcp_isns_discovery_domain_access = -1; static gint ett_dhcp_isns_administrative_flags = -1; static gint ett_dhcp_isns_server_security_bitmap = -1; static gint ett_dhcp_isns_secondary_server_addr = -1; static gint ett_dhcp_o43_bsdp_boot_image = -1; static gint ett_dhcp_o43_bsdp_attributes = -1; static gint ett_dhcp_o43_bsdp_image_desc_list = -1; static gint ett_dhcp_o43_bsdp_image_desc = -1; static gint ett_dhcp_o43_bsdp_attributes_flags = -1; static gint ett_dhcp_option158_pcp_list = -1; static expert_field ei_dhcp_bad_length = EI_INIT; static expert_field ei_dhcp_bad_bitfield = EI_INIT; static expert_field ei_dhcp_missing_subopt_length = EI_INIT; static expert_field ei_dhcp_missing_subopt_value = EI_INIT; static expert_field ei_dhcp_mal_duid = EI_INIT; static expert_field hf_dhcp_opt_overload_file_end_missing = EI_INIT; static expert_field hf_dhcp_opt_overload_sname_end_missing = EI_INIT; static expert_field hf_dhcp_subopt_unknown_type = EI_INIT; static expert_field ei_dhcp_option_civic_location_bad_cattype = EI_INIT; static expert_field ei_dhcp_option_dhcp_name_service_invalid = EI_INIT; static expert_field ei_dhcp_option_sip_server_address_encoding = EI_INIT; static expert_field ei_dhcp_option_classless_static_route = EI_INIT; static expert_field ei_dhcp_option125_enterprise_malformed = EI_INIT; static expert_field ei_dhcp_option_6RD_malformed = EI_INIT; static expert_field ei_dhcp_option82_vi_cl_tag_unknown = EI_INIT; static expert_field ei_dhcp_option_parse_err = EI_INIT; static expert_field ei_dhcp_nonstd_option_data = EI_INIT; static expert_field ei_dhcp_suboption_invalid = EI_INIT; static expert_field ei_dhcp_secs_le = EI_INIT; static expert_field ei_dhcp_end_option_missing = EI_INIT; static expert_field ei_dhcp_client_address_not_given = EI_INIT; static expert_field ei_dhcp_server_name_overloaded_by_dhcp = EI_INIT; static expert_field ei_dhcp_boot_filename_overloaded_by_dhcp = EI_INIT; static expert_field ei_dhcp_option_isns_ignored_bitfield = EI_INIT; static expert_field ei_dhcp_option242_avaya_l2qvlan_invalid = EI_INIT; static expert_field ei_dhcp_option242_avaya_vlantest_invalid = EI_INIT; static expert_field ei_dhcp_option93_client_arch_ambiguous = EI_INIT; static dissector_table_t dhcp_option_table; static dissector_table_t dhcp_enterprise_table; static heur_dissector_list_t dhcp_vendor_id_subdissector; static heur_dissector_list_t dhcp_vendor_info_subdissector; static dissector_handle_t dhcp_handle; static dissector_handle_t dhcpopt_basic_handle; typedef struct dhcp_option_data { guchar option; guint8 *overload; tvbuff_t *orig_tvb; const char *dhcp_type; const guint8 *vendor_class_id; } dhcp_option_data_t; #define DHCP_HW_IS_ETHER(hwtype, length) ((hwtype == 1 || hwtype == 6) && length == 6) /* RFC2937 The Name Service Search Option for DHCP */ #define RFC2937_LOCAL_NAMING_INFORMATION 0 #define RFC2937_DOMAIN_NAME_SERVER_OPTION 6 #define RFC2937_NETWORK_INFORMATION_SERVERS_OPTION 41 #define RFC2937_NETBIOS_OVER_TCP_IP_NAME_SERVER_OPTION 44 #define RFC2937_NETWORK_INFORMATION_SERVICE_PLUS_SERVERS_OPTION 65 /* RFC3825decoder error codes of the conversion function */ #define RFC3825_NOERROR 0 #define RFC3825_LATITUDE_OUTOFRANGE 1 #define RFC3825_LATITUDE_UNCERTAINTY_OUTOFRANGE 2 #define RFC3825_LONGITUDE_OUTOFRANGE 3 #define RFC3825_LONGITUDE_UNCERTAINTY_OUTOFRANGE 4 #define RFC3825_ALTITUDE_OUTOFRANGE 5 #define RFC3825_ALTITUDE_UNCERTAINTY_OUTOFRANGE 6 #define RFC3825_ALTITUDE_TYPE_OUTOFRANGE 7 #define RFC3825_DATUM_TYPE_OUTOFRANGE 8 #define DUID_LLT 1 #define DUID_EN 2 #define DUID_LL 3 struct rfc3825_location_fixpoint_t { gint64 latitude; /* latitude in degrees, allowed range from -90deg to 90deg. Fixpoint A(8,25) with 34 bits */ guint8 latitude_res; /* the resolution of the latitude in bits, allowed range is from 0 to 34. 6 bits. */ gint64 longitude; /* longitude in degrees, range from -180deg to 180deg. Fixpoint A(8,25) with 34 bits */ guint8 longitude_res; /* the resolution of the longitude in bits, allowed range is from 0 to 34. 6 bits. */ gint32 altitude; /* the altitude, 30 bits. Depending on alt_type this are meters or floors, no range limit. altitude_type==1: A(13,8) with 22 bits altitude_type==2: A(13,8) with 22 bits */ guint8 altitude_res; /* the resolution of the altitude in bits, allowed range is from 0 to 30. 6 bits. altitude_type==1: any value between 0 and 30 altitude_type==2: either 0 (floor unknown) or 30 */ guint8 altitude_type; /* the type of the altitude, 4 bits. allowed values are: 0: unknown 1: altitude in meters 2: altitude in floors */ guint8 datum_type; /* the map datum used for the coordinates. 8 bits. All values are allowed although currently only the following ones are defined: 1: WGS84 2: NAD83/NAVD88 3: NAD83/MLLW */ }; /* The rfc3825_location_decimal_t structure holds the location parameters * in decimal (floating point) format. */ struct rfc3825_location_decimal_t { double latitude; /* latitude in degrees, allowed range from -90deg to 90deg */ double latitude_res; /* the uncertainty of the latitude in grad, "0.01" means +-0.01deg from the altitude. During conversion this will be rounded to next smaller value which can be represented in fixpoint arithmetic */ double longitude; /* longitude in degrees, range from -180deg to 180deg */ double longitude_res; /* the uncertainty of the longitude in grad, "0.01" means +-0.01deg from the longitude. During conversion this will be rounded to next smaller value which can be represented in fixpoint arithmetic */ double altitude; /* the altitude, depending on alt_type this are meters or floors, no range limit */ double altitude_res; /* the uncertainty of the altitude in either: - altitude-type=meters: "10" means 10 meters which means +-10 meters from the altitude - altitude-type=floors: either 0 (unknown) or 30 (exact) */ int altitude_type; /* the type of the altitude, allowed values are 0: unknown 1: altitude in meters 2: altitude in floors */ int datum_type; /* the map datum used for the coordinates. All values are allowed although currently only the following ones are defined: 1: WGS84 2: NAD83/NAVD88 3: NAD83/MLLW */ }; /* For managing split options with RFC 3396 */ struct rfc3396_for_option_t { unsigned int total_number_of_block; unsigned int index_current_block; tvbuff_t* tvb_composite; }; /* The RFC 3397 allows to cut long option (RFC 3396). */ struct rfc3396_for_option_t rfc3396_dns_domain_search_list; /* The RFC 3361 allows to cut long option (RFC 3396). */ struct rfc3396_for_option_t rfc3396_sip_server; enum { RFC_3361_ENC_FQDN, RFC_3361_ENC_IPADDR }; static void dissect_vendor_avaya_param(proto_tree *tree, packet_info *pinfo, proto_item *vti, tvbuff_t *tvb, int optoff, wmem_strbuf_t *avaya_param_buf); /* converts fixpoint presentation into decimal presentation also converts values which are out of range to allow decoding of received data */ static int rfc3825_fixpoint_to_decimal(struct rfc3825_location_fixpoint_t *fixpoint, struct rfc3825_location_decimal_t *decimal); /* decodes the LCI string received from DHCP into the fixpoint values */ static void rfc3825_lci_to_fixpoint(const unsigned char lci[16], struct rfc3825_location_fixpoint_t *fixpoint); /* Map Datum Types used for the coordinates (RFC 3825) */ static const value_string map_datum_type_values[] = { { 1, "WGS 84" }, { 2, "NAD83 (NAVD88)" }, { 3, "NAD83 (MLLW)" }, { 0, NULL } }; /* Altitude Types used for the coordinates (RFC 3825) */ static const value_string altitude_type_values[] = { { 1, "Meters" }, { 2, "Floors" }, { 0, NULL } }; /* AutoConfigure (RFC 2563) */ static const value_string dhcp_autoconfig[] = { { 0, "DoNotAutoConfigure"}, { 1, "AutoConfigure"}, { 0, NULL } }; /* Error Types for RFC 3825 coordinate location decoding */ static const value_string rfc3825_error_types[] = { { 1, "Latitude is out of range [-90,90]"}, { 2, "Latitude Uncertainty is out of range [0,90]"}, { 3, "Longitude is out of range [-180,180]"}, { 4, "Longitude Uncertainty is out of range [0,180]"}, { 5, "Altitude is out of range [-(2^21),(2^21)-1]"}, { 6, "Altitude Uncertainty is out of range [0,2^20]"}, { 7, "Altitude Type is out of range [0,2]"}, { 8, "Datum is out of range [1,3]"}, { 0, NULL } }; /* Civic Address What field (RFC 4776) */ static const value_string civic_address_what_values[] = { { 0, "Location of the DHCP server" }, { 1, "Location of the network element believed to be closest to the client" }, { 2, "Location of the client"}, { 0, NULL} }; /* Civic Address Type field (RFC 4119, RFC 4776, RFC 5139) */ static const value_string civic_address_type_values[] = { { 0, "Language" }, { 1, "A1" }, { 2, "A2" }, { 3, "A3" }, { 4, "A4" }, { 5, "A5" }, { 6, "A6" }, { 16, "PRD (Leading street direction)" }, { 17, "POD (Trailing street suffix)" }, { 18, "STS (Street suffix)" }, { 19, "HNO (House number)" }, { 20, "HNS (House number suffix)" }, { 21, "LMK (Landmark or vanity address)" }, { 22, "LOC (Additional location information)" }, { 23, "NAM" }, { 24, "PC (Postal/ZIP code)" }, { 25, "BLD (Building)" }, { 26, "UNIT" }, { 27, "FLR (Floor)" }, { 28, "ROOM" }, { 29, "PLC (Place-type)" }, { 30, "PCN (Postal community name)" }, { 31, "POBOX" }, { 32, "ADDCODE (Additional Code)" }, { 33, "SEAT" }, { 34, "RD (Primary road or street)" }, { 35, "RDSEC (Road section)" }, { 36, "RDBR (Road branch)" }, { 37, "RDSUBBR (Road sub-branch)" }, { 38, "PRM (Road pre-modifier)" }, { 39, "POM (Road post-modifier" }, { 128, "Script" }, { 0, NULL } }; static const value_string cablelab_ipaddr_mode_vals[] = { { 1, "IPv4" }, { 2, "IPv6" }, { 0, NULL } }; static const value_string duidtype_vals[] = { { DUID_LLT, "link-layer address plus time" }, { DUID_EN, "assigned by vendor based on Enterprise number" }, { DUID_LL, "link-layer address" }, { 0, NULL } }; static const value_string forcerenew_nonce_algo_vals[] = { { 1, "HMAC-MD5" }, { 0, NULL }, }; static const value_string rdnss_pref_vals[] = { { 0, "Medium" }, { 1, "High" }, { 2, "Reserved" }, { 3, "Low" }, { 0, NULL }, }; static const value_string bulk_lease_dhcp_status_code_vals[] = { { 0, "Success" }, { 1, "UpsecFail" }, { 2, "QueryTerminated" }, { 3, "MalformedQuery" }, { 4, "NotAllowed" }, { 0, NULL }, }; static const value_string bulk_lease_dhcp_state_vals[] = { { 1, "Available" }, { 2, "Active" }, { 3, "Expired" }, { 4, "Released" }, { 5, "Abandoned" }, { 6, "Reset" }, { 7, "Remote" }, { 8, "Transitioning" }, { 0, NULL }, }; static const value_string o43pxeclient_boot_server_types[] = { { 0, "PXE bootstrap server" }, { 1, "Microsoft Windows NT Boot Server" }, { 2, "Intel LCM Boot Server" }, { 3, "DOS/UNDI Boot Server" }, { 4, "NEC ESMPRO Boot Server" }, { 5, "IBM WSoD Boot Server" }, { 6, "IBM LCCM Boot Server" }, { 7, "CA Unicenter TNG Boot Server" }, { 8, "HP OpenView Boot Server" }, { 65535, "PXE API Test server" }, { 0, NULL }, }; static const value_string o43pxeclient_boot_menu_types[] = { { 0, "Local boot" }, { 0, NULL }, }; static gboolean novell_string = FALSE; static gint dhcp_uuid_endian = ENC_LITTLE_ENDIAN; static const enum_val_t dhcp_uuid_endian_vals[] = { { "Little Endian", "Little Endian", ENC_LITTLE_ENDIAN}, { "Big Endian", "Big Endian", ENC_BIG_ENDIAN }, { NULL, NULL, 0 } }; #define DHCP_SECS_ENDIAN_AUTODETECT -1 static gint dhcp_secs_endian = DHCP_SECS_ENDIAN_AUTODETECT; static const enum_val_t dhcp_secs_endian_vals[] = { { "Autodetect", "Autodetect", DHCP_SECS_ENDIAN_AUTODETECT}, { "Little Endian", "Little Endian", ENC_LITTLE_ENDIAN}, { "Big Endian", "Big Endian", ENC_BIG_ENDIAN }, { NULL, NULL, 0 } }; #define DHCP_UDP_PORT_RANGE "67-68,4011" #define PROXYDHCP_UDP_PORT 4011 #define BOOTP_BC 0x8000 #define BOOTP_MBZ 0x7FFF /* FQDN stuff */ #define F_FQDN_S 0x01 #define F_FQDN_O 0x02 #define F_FQDN_E 0x04 #define F_FQDN_N 0x08 #define F_FQDN_MBZ 0xf0 #define ISNS_BITFIELD_NZ_MUST_BE_IGNORED(mask, ena_flag) \ ((mask) && !((mask) & (ena_flag))) /* iSNS bit fields */ #define F_ISNS_FUNCTIONS_ENABLED 0x0001 #define F_ISNS_FUNCTIONS_DD_AUTH 0x0002 #define F_ISNS_FUNCTIONS_SEC_POLICY 0x0004 #define F_ISNS_FUNCTIONS_RESERVED 0xFFF8 #define F_ISNS_DD_ACCESS_ENABLED 0x0001 #define F_ISNS_DD_ACCESS_CTRL_NODE 0x0002 #define F_ISNS_DD_ACCESS_ISCSI_TARGET 0x0004 #define F_ISNS_DD_ACCESS_ISCSI_INITIATOR 0x0008 #define F_ISNS_DD_ACCESS_IFCP_TARGET_PORT 0x0010 #define F_ISNS_DD_ACCESS_IFCP_INITIATOR_PORT 0x0020 #define F_ISNS_DD_ACCESS_RESERVED 0xFFC0 #define F_ISNS_ADMIN_FLAGS_ENABLED 0x0001 #define F_ISNS_ADMIN_FLAGS_HEARTBEAT 0x0002 #define F_ISNS_ADMIN_FLAGS_MANAGEMENT_SCNS 0x0004 #define F_ISNS_ADMIN_FLAGS_DEFAULT_DD 0x0008 #define F_ISNS_ADMIN_FLAGS_RESERVED 0xFFF0 #define F_ISNS_SRV_SEC_BITMAP_ENABLED 0x0001 #define F_ISNS_SRV_SEC_BITMAP_IKE_IPSEC 0x0002 #define F_ISNS_SRV_SEC_BITMAP_MAIN_MODE 0x0004 #define F_ISNS_SRV_SEC_BITMAP_AGGRESSIVE 0x0008 #define F_ISNS_SRV_SEC_BITMAP_PFS 0x0010 #define F_ISNS_SRV_SEC_BITMAP_TRASPORT_MODE 0x0020 #define F_ISNS_SRV_SEC_BITMAP_TUNNEL_MODE 0x0040 #define F_ISNS_SRV_SEC_BITMAP_RESERVED 0xFF80 static const true_false_string tfs_fqdn_o = { "Override", "No override" }; static const true_false_string tfs_fqdn_e = { "Binary encoding", "ASCII encoding" }; static const true_false_string tfs_fqdn_n = { "No server updates", "Some server updates" }; static const true_false_string tfs_isns_function_dd_based_auth = { "Automatically allowed access", "Explicitly performed", }; static const true_false_string tfs_isns_functions_sec_distrib = { "Download from iSNS server", "By other means", }; static const true_false_string tfs_bulk_lease_data_source = { "Remote", "Local" }; enum field_type { special, none, presence, ipv4, /* single IPv4 address */ ipv4_list, /* list of IPv4 addresses */ string, bytes, opaque, val_boolean, val_u_byte, val_u_short, val_u_short_list, val_u_le_short, val_u_long, time_in_s_secs, /* Signed */ time_in_u_secs, /* Unsigned (not micro) */ fqdn, ipv4_or_fqdn, oui }; struct opt_info { const char *text; enum field_type ftype; int* phf; }; static const true_false_string flag_set_broadcast = { "Broadcast", "Unicast" }; #define BOOTP_MAX_NO_CHAR 64 /* PacketCable/DOCSIS definitions */ #define PACKETCABLE_MTA_CAP10 "pktc1.0:" #define PACKETCABLE_MTA_CAP15 "pktc1.5:" #define PACKETCABLE_MTA_CAP20 "pktc2.0:" #define PACKETCABLE_CM_CAP11 "docsis1.1:" #define PACKETCABLE_CM_CAP20 "docsis2.0:" #define PACKETCABLE_CM_CAP30 "docsis3.0:" #define PACKETCABLE_CCC_I05 1 #define PACKETCABLE_CCC_DRAFT5 2 #define PACKETCABLE_CCC_RFC_3495 3 static const enum_val_t pkt_ccc_protocol_versions[] = { { "ccc_i05", "PKT-SP-PROV-I05-021127", PACKETCABLE_CCC_I05 }, { "ccc_draft_5", "IETF Draft 5", PACKETCABLE_CCC_DRAFT5 }, { "rfc_3495", "RFC 3495", PACKETCABLE_CCC_RFC_3495 }, { NULL, NULL, 0 } }; #define APPLE_BSDP_SERVER "AAPLBSDPC" #define APPLE_BSDP_CLIENT "AAPLBSDPC/" #define CISCO_VCID "cisco" #define AEROHIVE_VCID "AEROHIVE" static gint pkt_ccc_protocol_version = PACKETCABLE_CCC_RFC_3495; static guint pkt_ccc_option = 122; static void dissect_docsis_cm_cap(packet_info *pinfo, proto_tree *v_tree, tvbuff_t *tvb, int voff, int len, gboolean opt125); #define ARUBA_INSTANT_AP "ArubaInstantAP" #define ARUBA_AP "ArubaAP" #define OPT53_DISCOVER "Discover" /* https://www.iana.org/assignments/bootp-dhcp-parameters */ static const value_string opt53_text[] = { { 1, OPT53_DISCOVER }, { 2, "Offer" }, { 3, "Request" }, { 4, "Decline" }, { 5, "ACK" }, { 6, "NAK" }, { 7, "Release" }, { 8, "Inform" }, { 9, "Force Renew" }, { 10, "Lease query" }, /* RFC4388 */ { 11, "Lease Unassigned" }, /* RFC4388 */ { 12, "Lease Unknown" }, /* RFC4388 */ { 13, "Lease Active" }, /* RFC4388 */ { 14, "Bulk Lease Query" }, /* RFC6926 */ { 15, "Lease Query Done" }, /* RFC6926 */ { 16, "Active LeaseQuery" }, /* RFC7724 */ { 17, "Lease Query Status" }, /* RFC7724 */ { 18, "TLS" }, /* RFC7724 */ { 0, NULL } }; /* DHCP Authentication protocols */ #define AUTHEN_PROTO_CONFIG_TOKEN 0 #define AUTHEN_PROTO_DELAYED_AUTHEN 1 /* DHCP Authentication algorithms for delayed authentication */ #define AUTHEN_DELAYED_ALGO_HMAC_MD5 1 /* DHCP Authentication Replay Detection Methods */ #define AUTHEN_RDM_MONOTONIC_COUNTER 0x00 /* DHCP Option Overload (option code 52) */ #define OPT_OVERLOAD_FILE 1 #define OPT_OVERLOAD_SNAME 2 #define OPT_OVERLOAD_BOTH 3 /* Server name and boot file offsets and lengths */ #define SERVER_NAME_OFFSET 44 #define SERVER_NAME_LEN 64 #define FILE_NAME_OFFSET 108 #define FILE_NAME_LEN 128 #define VENDOR_INFO_OFFSET 236 static const value_string dhcp_nbnt_vals[] = { {0x1, "B-node" }, {0x2, "P-node" }, {0x4, "M-node" }, {0x8, "H-node" }, {0, NULL } }; /* * There is confusion around some Client Architecture IDs: RFC 4578 section 2.1 * lists *requested* architecture IDs, however the actual assigned IDs * (https://www.ietf.org/assignments/dhcpv6-parameters/dhcpv6-parameters.xml#processor-architecture) * differ. Specifically, * * EFI Byte Code (EFI BC, EBC) was 7 in RFC 4578, but is assigned 9 by IETF. * EFI x64 was 9 in RFC 4578, but is assigned 7 by IETF. * * For confirmation, refer to RFC erratum 4624: * https://www.rfc-editor.org/errata/eid4624 */ static const value_string dhcp_client_arch[] = { { 0x0000, "IA x86 PC" }, { 0x0001, "NEC/PC98" }, { 0x0002, "IA64 PC" }, { 0x0003, "DEC Alpha" }, { 0x0004, "ArcX86" }, { 0x0005, "Intel Lean Client" }, { 0x0006, "EFI IA32" }, { 0x0007, "EFI x64" }, /* *Not* EFI BC. See comment above. */ { 0x0008, "EFI Xscale" }, { 0x0009, "EFI BC" }, /* *Not* EFI x64. See comment above. */ { 0x000a, "ARM 32-bit UEFI" }, { 0x000b, "ARM 64-bit UEFI" }, { 0x000c, "PowerPC Open Firmware" }, { 0x000d, "PowerPC ePAPR" }, { 0x000e, "POWER OPAL v3" }, { 0x000f, "x86 UEFI HTTP" }, { 0x0010, "x64 UEFI HTTP" }, { 0x0011, "EBC UEFI HTTP" }, { 0x0012, "ARM 32-bit UEFI HTTP" }, { 0x0013, "ARM 64-bit UEFI HTTP" }, { 0x0014, "PC/AT HTTP" }, { 0x0015, "ARM 32-bit uboot" }, { 0x0016, "ARM 64-bit uboot" }, { 0x0017, "ARM 32-bit uboot HTTP" }, { 0x0018, "ARM 64-bit uboot HTTP" }, { 0x0019, "RISC-V 32-bit UEFI" }, { 0x001a, "RISC-V 32-bit UEFI HTTP" }, { 0x001b, "RISC-V 64-bit UEFI" }, { 0x001c, "RISC-V 64-bit UEFI HTTP" }, { 0x001d, "RISC-V 128-bit UEFI" }, { 0x001e, "RISC-V 128-bit UEFI HTTP" }, { 0x001f, "s390 Basic" }, { 0x0020, "s390 Extended" }, { 0, NULL } }; static const value_string opt_overload_vals[] = { { OPT_OVERLOAD_FILE, "Boot file name holds options", }, { OPT_OVERLOAD_SNAME, "Server host name holds options", }, { OPT_OVERLOAD_BOTH, "Boot file and server host names hold options" }, { 0, NULL } }; static const value_string slpda_vals[] = { {0x00, "Dynamic Discovery" }, {0x01, "Static Discovery" }, {0x80, "Backwards compatibility" }, {0, NULL } }; static const value_string slp_scope_vals[] = { {0x00, "Preferred Scope" }, {0x01, "Mandatory Scope" }, {0, NULL } }; static const value_string authen_protocol_vals[] = { {AUTHEN_PROTO_CONFIG_TOKEN, "configuration token" }, {AUTHEN_PROTO_DELAYED_AUTHEN, "delayed authentication" }, {0, NULL } }; static const value_string authen_da_algo_vals[] = { {AUTHEN_DELAYED_ALGO_HMAC_MD5, "HMAC_MD5" }, {0, NULL } }; static const value_string authen_rdm_vals[] = { {AUTHEN_RDM_MONOTONIC_COUNTER, "Monotonically-increasing counter" }, {0, NULL } }; static const value_string cl_dss_id_type_vals[] = { {1, "Primary DSS_ID" }, {2, "Secondary DSS_ID" }, {0, NULL } }; static const value_string sip_server_enc_vals[] = { {0, "Fully Qualified Domain Name" }, {1, "IPv4 Address" }, {0, NULL } }; static const value_string o43_bsdp_boot_image_install_vals[] = { { 0, "non-install" }, { 1, "install" }, { 0, NULL } }; static const value_string o43_bsdp_boot_image_kind_vals[] = { { 0, "Mac OS 9" }, { 1, "Mac OS X" }, { 2, "Mac OS X Server" }, { 3, "Hardware Diagnostics" }, { 0, NULL } }; static const value_string o43_bsdp_message_type_vals[] = { { 1, "LIST" }, { 2, "SELECT" }, { 3, "FAILED" }, { 0, NULL } }; static const string_string option242_avaya_phystat_vals[] = { { "0", "Disabled" }, { "1", "Auto" }, { "2", "10Mbps half" }, { "3", "10Mbps full" }, { "4", "100Mbps half" }, { "5", "100Mbps full" }, { "6", "1000Mbps full" }, { 0, NULL } }; static const string_string option242_avaya_l2q_vals[] = { { "0", "Auto" }, { "1", "Enabled" }, { "2", "Disabled" }, { 0, NULL } }; static const string_string option242_avaya_dot1x_vals[] = { { "0", "With PAE pass-through" }, { "1", "With PAE pass-through and proxy Logoff" }, { "2", "Without PAE pass-through or proxy Logoff" }, { 0, NULL } }; static const string_string option242_avaya_icmpdu_vals[] = { { "0", "No ICMP Destination Unreachable messages" }, { "1", "Send limited Port Unreachable messages" }, { "2", "Send Protocol and Port Unreachable messages" }, { 0, NULL } }; static const string_string option242_avaya_icmpred_vals[] = { { "0", "Ignore ICMP Redirect messages" }, { "1", "Process ICMP Redirect messages" }, { 0, NULL } }; static const string_string option242_avaya_loglocal_vals[] = { { "0", "Disabled" }, { "1", "Emergencie" }, { "2", "Alerts" }, { "3", "Critical" }, { "4", "Errors" }, { "5", "Warnings" }, { "6", "Notices" }, { "7", "Information" }, { "8", "Debug" }, { 0, NULL } }; static const string_string option242_avaya_procstat_vals[] = { { "0", "All administrative options" }, { "1", "Only view administrative options" }, { 0, NULL } }; static const string_string option242_avaya_static_vals[] = { { "0", "Static programming never overrides call server (DHCP) or call server administered data" }, { "1", "Static programming overrides only file server administered data" }, { "2", "Static programming overrides only call server administered data" }, { "3", "Static programming overrides both file server- and call server-administered data" }, { 0, NULL } }; /* dhcp options administration */ #define DHCP_OPT_NUM 256 /* All of the options that have a "basic" type that can be handled by dissect_dhcpopt_basic_type() */ #define DHCP_OPTION_BASICTYPE_RANGE "1-20,22-32,34-42,44-51,53-54,56-59,64-76,86-87,91-92,100-101,112-113,116,118,136-138,142,150,153,156-157,161,209-210,252" /* Re-define structure. Values to be updated by dhcp_init_protocol */ static struct opt_info dhcp_opt[DHCP_OPT_NUM]; static struct opt_info default_dhcp_opt[DHCP_OPT_NUM] = { /* 0 */ { "Padding", none, &hf_dhcp_option_padding }, /* 1 */ { "Subnet Mask", ipv4, &hf_dhcp_option_subnet_mask }, /* 2 */ { "Time Offset", time_in_s_secs, &hf_dhcp_option_time_offset }, /* 3 */ { "Router", ipv4_list, &hf_dhcp_option_router }, /* 4 */ { "Time Server", ipv4_list, &hf_dhcp_option_time_server }, /* 5 */ { "Name Server", ipv4_list, &hf_dhcp_option_name_server }, /* 6 */ { "Domain Name Server", ipv4_list, &hf_dhcp_option_domain_name_server }, /* 7 */ { "Log Server", ipv4_list, &hf_dhcp_option_log_server }, /* 8 */ { "Quotes Server", ipv4_list, &hf_dhcp_option_quotes_server }, /* 9 */ { "LPR Server", ipv4_list, &hf_dhcp_option_lpr_server }, /* 10 */ { "Impress Server", ipv4_list, &hf_dhcp_option_impress_server }, /* 11 */ { "Resource Location Server", ipv4_list, &hf_dhcp_option_resource_location_server }, /* 12 */ { "Host Name", string, &hf_dhcp_option_hostname }, /* 13 */ { "Boot File Size", val_u_short, &hf_dhcp_option_boot_file_size }, /* 14 */ { "Merit Dump File", string, &hf_dhcp_option_merit_dump_file }, /* 15 */ { "Domain Name", string, &hf_dhcp_option_domain_name }, /* 16 */ { "Swap Server", ipv4, &hf_dhcp_option_swap_server }, /* 17 */ { "Root Path", string, &hf_dhcp_option_root_path }, /* 18 */ { "Extensions Path", string, &hf_dhcp_option_extension_path }, /* 19 */ { "IP Forwarding", val_boolean, &hf_dhcp_option_ip_forwarding }, /* 20 */ { "Non-Local Source Routing", val_boolean, &hf_dhcp_option_non_local_source_routing }, /* 21 */ { "Policy Filter", special, NULL }, /* 22 */ { "Maximum Datagram Reassembly Size", val_u_short, &hf_dhcp_option_max_datagram_reassembly_size }, /* 23 */ { "Default IP Time-to-Live", val_u_byte, &hf_dhcp_option_default_ip_ttl }, /* 24 */ { "Path MTU Aging Timeout", time_in_u_secs, &hf_dhcp_option_path_mtu_aging_timeout }, /* 25 */ { "Path MTU Plateau Table", val_u_short_list, &hf_dhcp_option_path_mtu_plateau_table_item }, /* 26 */ { "Interface MTU", val_u_short, &hf_dhcp_option_interface_mtu }, /* 27 */ { "All Subnets are Local", val_boolean, &hf_dhcp_option_all_subnets_are_local }, /* 28 */ { "Broadcast Address", ipv4, &hf_dhcp_option_broadcast_address }, /* 29 */ { "Perform Mask Discovery", val_boolean, &hf_dhcp_option_perform_mask_discovery }, /* 30 */ { "Mask Supplier", val_boolean, &hf_dhcp_option_mask_supplier }, /* 31 */ { "Perform Router Discover", val_boolean, &hf_dhcp_option_perform_router_discover }, /* 32 */ { "Router Solicitation Address", ipv4, &hf_dhcp_option_router_solicitation_address }, /* 33 */ { "Static Route", special, NULL }, /* 34 */ { "Trailer Encapsulation", val_boolean, &hf_dhcp_option_trailer_encapsulation }, /* 35 */ { "ARP Cache Timeout", time_in_u_secs, &hf_dhcp_option_arp_cache_timeout }, /* 36 */ { "Ethernet Encapsulation", val_boolean, &hf_dhcp_option_ethernet_encapsulation }, /* 37 */ { "TCP Default TTL", val_u_byte, &hf_dhcp_option_tcp_default_ttl }, /* 38 */ { "TCP Keepalive Interval", time_in_u_secs, &hf_dhcp_option_tcp_keepalive_interval }, /* 39 */ { "TCP Keepalive Garbage", val_boolean, &hf_dhcp_option_tcp_keepalive_garbage }, /* 40 */ { "Network Information Service Domain", string, &hf_dhcp_option_nis_domain }, /* 41 */ { "Network Information Service Servers", ipv4_list, &hf_dhcp_option_nis_server }, /* 42 */ { "Network Time Protocol Servers", ipv4_list, &hf_dhcp_option_ntp_server }, /* 43 */ { "Vendor-Specific Information", special, NULL }, /* 44 */ { "NetBIOS over TCP/IP Name Server", ipv4_list, &hf_dhcp_option_netbios_over_tcpip_name_server }, /* 45 */ { "NetBIOS over TCP/IP Datagram Distribution Name Server", ipv4_list, &hf_dhcp_option_netbios_over_tcpip_dd_name_server }, /* 46 */ { "NetBIOS over TCP/IP Node Type", val_u_byte, &hf_dhcp_option_netbios_over_tcpip_node_type }, /* 47 */ { "NetBIOS over TCP/IP Scope", string, &hf_dhcp_option_netbios_over_tcpip_scope }, /* 48 */ { "X Window System Font Server", ipv4_list, &hf_dhcp_option_xwindows_system_font_server }, /* 49 */ { "X Window System Display Manager", ipv4_list, &hf_dhcp_option_xwindows_system_display_manager }, /* 50 */ { "Requested IP Address", ipv4, &hf_dhcp_option_requested_ip_address }, /* 51 */ { "IP Address Lease Time", time_in_u_secs, &hf_dhcp_option_ip_address_lease_time }, /* 52 */ { "Option Overload", special, &hf_dhcp_option_option_overload }, /* 53 */ { "DHCP Message Type", val_u_byte, &hf_dhcp_option_dhcp }, /* 54 */ { "DHCP Server Identifier", ipv4, &hf_dhcp_option_dhcp_server_id }, /* 55 */ { "Parameter Request List", special, &hf_dhcp_option_parameter_request_list_item }, /* 56 */ { "Message", string, &hf_dhcp_option_message }, /* 57 */ { "Maximum DHCP Message Size", val_u_short, &hf_dhcp_option_dhcp_max_message_size }, /* 58 */ { "Renewal Time Value", time_in_u_secs, &hf_dhcp_option_renewal_time_value }, /* 59 */ { "Rebinding Time Value", time_in_u_secs, &hf_dhcp_option_rebinding_time_value }, /* 60 */ { "Vendor class identifier", special, NULL }, /* 61 */ { "Client identifier", special, NULL }, /* 62 */ { "Novell/Netware IP domain", string, &hf_dhcp_option_novell_netware_ip_domain }, /* 63 */ { "Novell Options", special, NULL }, /* 64 */ { "Network Information Service+ Domain", string, &hf_dhcp_option_nis_plus_domain }, /* 65 */ { "Network Information Service+ Servers", ipv4_list, &hf_dhcp_option_nis_plus_server }, /* 66 */ { "TFTP Server Name", string, &hf_dhcp_option_tftp_server_name }, /* 67 */ { "Bootfile name", string, &hf_dhcp_option_bootfile_name }, /* 68 */ { "Mobile IP Home Agent", ipv4_list, &hf_dhcp_option_mobile_ip_home_agent }, /* 69 */ { "SMTP Server", ipv4_list, &hf_dhcp_option_smtp_server }, /* 70 */ { "POP3 Server", ipv4_list, &hf_dhcp_option_pop3_server }, /* 71 */ { "NNTP Server", ipv4_list, &hf_dhcp_option_nntp_server }, /* 72 */ { "Default WWW Server", ipv4_list, &hf_dhcp_option_default_www_server }, /* 73 */ { "Default Finger Server", ipv4_list, &hf_dhcp_option_default_finger_server }, /* 74 */ { "Default IRC Server", ipv4_list, &hf_dhcp_option_default_irc_server }, /* 75 */ { "StreetTalk Server", ipv4_list, &hf_dhcp_option_streettalk_server }, /* 76 */ { "StreetTalk Directory Assistance Server", ipv4_list, &hf_dhcp_option_streettalk_da_server }, /* 77 */ { "User Class Information", special, NULL }, /* 78 */ { "Directory Agent Information", special, NULL }, /* 79 */ { "Service Location Agent Scope", special, NULL }, /* 80 */ { "Rapid commit", opaque, NULL }, /* 81 */ { "Client Fully Qualified Domain Name", special, NULL}, /* 82 */ { "Agent Information Option", special, NULL}, /* 83 */ { "iSNS", opaque, NULL }, /* 84 */ { "Removed/Unassigned", opaque, NULL }, /* 85 */ { "Novell Directory Services Servers", special, NULL}, /* 86 */ { "Novell Directory Services Tree Name", string, &hf_dhcp_option_novell_ds_tree_name }, /* 87 */ { "Novell Directory Services Context", string, &hf_dhcp_option_novell_ds_context }, /* 88 */ { "BCMCS Controller Domain Name [TODO:RFC4280]", opaque, NULL }, /* 89 */ { "BCMCS Controller IPv4 address [TODO:RFC4280]", opaque, NULL }, /* 90 */ { "Authentication", special, NULL}, /* 91 */ { "Client last transaction time", time_in_u_secs, &hf_dhcp_option_client_last_transaction_time }, /* 92 */ { "Associated IP option", ipv4_list, &hf_dhcp_option_associated_ip_option }, /* 93 */ { "Client System Architecture", special, NULL}, /* 94 */ { "Client Network Device Interface", special, NULL}, /* 95 */ { "LDAP [TODO:RFC3679]", opaque, NULL }, /* 96 */ { "Removed/Unassigned", opaque, NULL }, /* 97 */ { "UUID/GUID-based Client Identifier", special, NULL}, /* 98 */ { "Open Group's User Authentication [TODO:RFC2485]", opaque, NULL }, /* 99 */ { "Civic Addresses Configuration", special, NULL}, /* 100 */ { "PCode", string, &hf_dhcp_option_tz_pcode }, /* 101 */ { "TCode", string, &hf_dhcp_option_tz_tcode }, /* 102 */ { "Removed/unassigned", opaque, NULL }, /* 103 */ { "Removed/unassigned", opaque, NULL }, /* 104 */ { "Removed/unassigned", opaque, NULL }, /* 105 */ { "Removed/unassigned", opaque, NULL }, /* 106 */ { "Removed/unassigned", opaque, NULL }, /* 107 */ { "Removed/unassigned", opaque, NULL }, /* 108 */ { "IPv6-Only Preferred", opaque, NULL }, /* 109 */ { "Unassigned", opaque, NULL }, /* 110 */ { "Removed/Unassigned", opaque, NULL }, /* 111 */ { "Unassigned", opaque, NULL }, /* 112 */ { "NetInfo Parent Server Address", ipv4_list, &hf_dhcp_option_netinfo_parent_server_address }, /* 113 */ { "NetInfo Parent Server Tag", string, &hf_dhcp_option_netinfo_parent_server_tag }, /* 114 */ { "DHCP Captive-Portal", special, NULL }, /* 115 */ { "Removed/Unassigned", opaque, NULL }, /* 116 */ { "DHCP Auto-Configuration", val_u_byte, &hf_dhcp_option_dhcp_auto_configuration }, /* 117 */ { "Name Service Search", special, NULL }, /* 118 */ { "Subnet Selection Option", ipv4_list, &hf_dhcp_option_subnet_selection_option }, /* 119 */ { "Domain Search", special, NULL }, /* 120 */ { "SIP Servers", special, NULL }, /* 121 */ { "Classless Static Route", special, NULL}, /* 122 */ { "CableLabs Client Configuration [TODO:RFC3495]", opaque, NULL }, /* 123 */ { "Coordinate-based Location Configuration", special, NULL}, /* 124 */ { "V-I Vendor Class", special, NULL}, /* 125 */ { "V-I Vendor-specific Information", special, NULL}, /* 126 */ { "Removed/Unassigned", opaque, NULL }, /* 127 */ { "Removed/Unassigned", opaque, NULL }, /* 128 */ { "DOCSIS full security server IP [TODO]", opaque, NULL }, /* 129 */ { "PXE - undefined (vendor specific)", opaque, NULL }, /* 130 */ { "PXE - undefined (vendor specific)", opaque, NULL }, /* 131 */ { "PXE - undefined (vendor specific)", opaque, NULL }, /* 132 */ { "PXE - undefined (vendor specific)", opaque, NULL }, /* 133 */ { "PXE - undefined (vendor specific)", opaque, NULL }, /* 134 */ { "PXE - undefined (vendor specific)", opaque, NULL }, /* 135 */ { "PXE - undefined (vendor specific)", opaque, NULL }, /* 136 */ { "PANA Authentication Agent", ipv4_list, &hf_dhcp_option_pana_agent }, /* 137 */ { "LoST Server Domain Name", string, &hf_dhcp_option_lost_server_domain_name }, /* 138 */ { "CAPWAP Access Controllers", ipv4_list, &hf_dhcp_option_capwap_access_controller }, /* 139 */ { "IPv4 Address-MoS", opaque, NULL }, /* 140 */ { "IPv4 FQDN-MoS", opaque, NULL }, /* 141 */ { "SIP UA Configuration Domains", opaque, NULL }, /* 142 */ { "IPv4 Address ANDSF", ipv4_list, &hf_dhcp_option_andsf_server }, /* 143 */ { "Zerotouch Redirect [TODO: draft-ietf-netconf-zerotouch]", opaque, NULL }, /* 144 */ { "Geospatial Location [TODO:RFC6225]", opaque, NULL }, /* 145 */ { "Forcerenew Nonce Capable", special, NULL }, /* 146 */ { "RDNSS Selection", special, NULL }, /* 147 */ { "Unassigned", opaque, NULL }, /* 148 */ { "Unassigned", opaque, NULL }, /* 149 */ { "Unassigned", opaque, NULL }, /* 150 */ { "TFTP Server Address", ipv4_list, &hf_dhcp_option_tftp_server_address }, /* 151 */ { "Leasequery Status code", special, NULL }, /* 152 */ { "Leasequery Base Time", special, NULL }, /* 153 */ { "Leasequery Start Time of State", time_in_u_secs, &hf_dhcp_option_bulk_lease_start_time_of_state }, /* 154 */ { "Leasequery Query Start Time", special, NULL }, /* 155 */ { "Leasequery Query End Time", special, NULL }, /* 156 */ { "Leasequery Dhcp State", val_u_byte, &hf_dhcp_option_bulk_lease_dhcp_state }, /* 157 */ { "Leasequery Data Source", val_boolean, &hf_dhcp_option_bulk_lease_data_source }, /* 158 */ { "PCP Server", special, NULL }, /* 159 */ { "Portparams", special, NULL }, /* 160 */ { "Unassigned (ex DHCP Captive-Portal)", special, NULL }, /* Previously assigned by [RFC7710]; known to also be used by Polycom. */ /* 161 */ { "Manufacturer Usage Description", string, &hf_dhcp_option_mudurl}, /* 162 */ { "Unassigned", opaque, NULL }, /* 163 */ { "Unassigned", opaque, NULL }, /* 164 */ { "Unassigned", opaque, NULL }, /* 165 */ { "Unassigned", opaque, NULL }, /* 166 */ { "Unassigned", opaque, NULL }, /* 167 */ { "Unassigned", opaque, NULL }, /* 168 */ { "Unassigned", opaque, NULL }, /* 169 */ { "Unassigned", opaque, NULL }, /* 170 */ { "Unassigned", opaque, NULL }, /* 171 */ { "Unassigned", opaque, NULL }, /* 172 */ { "Unassigned", opaque, NULL }, /* 173 */ { "Unassigned", opaque, NULL }, /* 174 */ { "Unassigned", opaque, NULL }, /* 175 */ { "Etherboot", opaque, NULL }, /* 176 */ { "IP Telephone", opaque, NULL }, /* 177 */ { "Etherboot", opaque, NULL }, /* 178 */ { "Unassigned", opaque, NULL }, /* 179 */ { "Unassigned", opaque, NULL }, /* 180 */ { "Unassigned", opaque, NULL }, /* 181 */ { "Unassigned", opaque, NULL }, /* 182 */ { "Unassigned", opaque, NULL }, /* 183 */ { "Unassigned", opaque, NULL }, /* 184 */ { "Unassigned", opaque, NULL }, /* 185 */ { "Unassigned", opaque, NULL }, /* 186 */ { "Unassigned", opaque, NULL }, /* 187 */ { "Unassigned", opaque, NULL }, /* 188 */ { "Unassigned", opaque, NULL }, /* 189 */ { "Unassigned", opaque, NULL }, /* 190 */ { "Unassigned", opaque, NULL }, /* 191 */ { "Unassigned", opaque, NULL }, /* 192 */ { "Unassigned", opaque, NULL }, /* 193 */ { "Unassigned", opaque, NULL }, /* 194 */ { "Unassigned", opaque, NULL }, /* 195 */ { "Unassigned", opaque, NULL }, /* 196 */ { "Unassigned", opaque, NULL }, /* 197 */ { "Unassigned", opaque, NULL }, /* 198 */ { "Unassigned", opaque, NULL }, /* 199 */ { "Unassigned", opaque, NULL }, /* 200 */ { "Unassigned", opaque, NULL }, /* 201 */ { "Unassigned", opaque, NULL }, /* 202 */ { "Unassigned", opaque, NULL }, /* 203 */ { "Unassigned", opaque, NULL }, /* 204 */ { "Unassigned", opaque, NULL }, /* 205 */ { "Unassigned", opaque, NULL }, /* 206 */ { "Unassigned", opaque, NULL }, /* 207 */ { "Unassigned", opaque, NULL }, /* 208 */ { "PXELINUX Magic", opaque, NULL }, /* 209 */ { "PXE Configuration file", string, &hf_dhcp_option_pxe_config_file }, /* 210 */ { "PXE Path Prefix", string, &hf_dhcp_option_pxe_path_prefix }, /* 211 */ { "Reboot Time", opaque, NULL }, /* 212 */ { "6RD", opaque, NULL }, /* 213 */ { "V4 Access Domain", opaque, NULL }, /* 214 */ { "Unassigned", opaque, NULL }, /* 215 */ { "Unassigned", opaque, NULL }, /* 216 */ { "Unassigned", opaque, NULL }, /* 217 */ { "Unassigned", opaque, NULL }, /* 218 */ { "Unassigned", opaque, NULL }, /* 219 */ { "Unassigned", opaque, NULL }, /* 220 */ { "Subnet Allocation", opaque, NULL }, /* 221 */ { "Virtual Subnet Selection", opaque, NULL }, /* 222 */ { "Unassigned", opaque, NULL }, /* 223 */ { "Unassigned", opaque, NULL }, /* 224 */ { "Private", opaque, NULL }, /* 225 */ { "Private", opaque, NULL }, /* 226 */ { "Private", opaque, NULL }, /* 227 */ { "Private", opaque, NULL }, /* 228 */ { "Private", opaque, NULL }, /* 229 */ { "Private", opaque, NULL }, /* 230 */ { "Private", opaque, NULL }, /* 231 */ { "Private", opaque, NULL }, /* 232 */ { "Private", opaque, NULL }, /* 233 */ { "Private", opaque, NULL }, /* 234 */ { "Private", opaque, NULL }, /* 235 */ { "Private", opaque, NULL }, /* 236 */ { "Private", opaque, NULL }, /* 237 */ { "Private", opaque, NULL }, /* 238 */ { "Private", opaque, NULL }, /* 239 */ { "Private", opaque, NULL }, /* 240 */ { "Private", opaque, NULL }, /* 241 */ { "Private", opaque, NULL }, /* 242 */ { "Private/Avaya IP Telephone", special, NULL }, /* 243 */ { "Private", opaque, NULL }, /* 244 */ { "Private", opaque, NULL }, /* 245 */ { "Private", opaque, NULL }, /* 246 */ { "Private", opaque, NULL }, /* 247 */ { "Private", opaque, NULL }, /* 248 */ { "Private", opaque, NULL }, /* 249 */ { "Private/Classless Static Route (Microsoft)", special, NULL}, /* 250 */ { "Private", opaque, NULL }, /* 251 */ { "Private", opaque, NULL }, /* 252 */ { "Private/Proxy autodiscovery", string, &hf_dhcp_option_private_proxy_autodiscovery }, /* 253 */ { "Private", opaque, NULL }, /* 254 */ { "Private", opaque, NULL }, /* 255 */ { "End", opaque, NULL } }; static void dhcp_time_in_s_secs_fmt(gchar *s, guint32 v) { /* Only used by option 2 Time Offset, which is deprecated. */ char* secs_str = signed_time_secs_to_str(NULL, (gint32)v); snprintf(s, ITEM_LABEL_LENGTH, "%s (%d)", secs_str, (gint32)v); wmem_free(NULL, secs_str); } static void dhcp_time_in_u_secs_fmt(gchar *s, guint32 v) { /* RFC 2131: 3.3 Interpretation and representation of time values */ if (v != 0xffffffff) { char* secs_str = unsigned_time_secs_to_str(NULL, v); snprintf(s, ITEM_LABEL_LENGTH, "%s (%d)", secs_str, v); wmem_free(NULL, secs_str); } else { snprintf(s, ITEM_LABEL_LENGTH, "infinity (%d)", v); } } /*------------------------------------- * UAT for BOOTP *------------------------------------- */ /* UAT entry structure. */ typedef struct { guint opt; gchar *text; enum field_type ftype; } uat_dhcp_record_t; static uat_dhcp_record_t *uat_dhcp_records = NULL; static uat_t *dhcp_uat = NULL; static guint num_dhcp_records_uat = 0; static wmem_list_t *saved_uat_opts = NULL; /* List of previous options from UAT to "free" from dissection */ static void* uat_dhcp_record_copy_cb(void* n, const void* o, size_t siz _U_) { uat_dhcp_record_t* new_record = (uat_dhcp_record_t *)n; const uat_dhcp_record_t* old_record = (const uat_dhcp_record_t *)o; new_record->text = g_strdup(old_record->text); return new_record; } static bool uat_dhcp_record_update_cb(void* r, char** err) { uat_dhcp_record_t* rec = (uat_dhcp_record_t *)r; if ((rec->opt == 0) || (rec->opt >=DHCP_OPT_NUM-1)) { *err = ws_strdup_printf("Option must be between 1 and %d", DHCP_OPT_NUM-2); return FALSE; } return TRUE; } static void uat_dhcp_record_free_cb(void*r) { uat_dhcp_record_t* rec = (uat_dhcp_record_t *)r; g_free(rec->text); } UAT_DEC_CB_DEF(uat_dhcp_records, opt, uat_dhcp_record_t) UAT_CSTRING_CB_DEF(uat_dhcp_records, text, uat_dhcp_record_t) UAT_VS_DEF(uat_dhcp_records, ftype, uat_dhcp_record_t, enum field_type, special, "string") static struct opt_info* dhcp_get_opt(unsigned int idx) { if(idx>=DHCP_OPT_NUM) return NULL; return &dhcp_opt[idx]; } static const char * dhcp_get_opt_text(unsigned int idx) { if(idx>=DHCP_OPT_NUM) return "unknown"; return dhcp_opt[idx].text; } struct basic_types_hfs { gint* bytes; gint* ipv4; gint* ipv4_list; gint* string; gint* val_boolean; gint* val_u_byte; gint* val_u_short; gint* val_u_short_list; gint* val_u_long; gint* time_in_s_secs; gint* time_in_u_secs; }; /* Handle "basic" datatypes adding to a tree */ static int dhcp_handle_basic_types(packet_info *pinfo, proto_tree *tree, proto_item *item, tvbuff_t *tvb, enum field_type ftype, int offset, int total_len, gint *hf, struct basic_types_hfs* hf_default) { int i, left; int consumed = 0; switch (ftype) { case bytes: if (hf != NULL) proto_tree_add_item(tree, *hf, tvb, offset, total_len, ENC_BIG_ENDIAN); else if (hf_default->bytes != NULL) proto_tree_add_item(tree, *hf_default->bytes, tvb, offset, total_len, ENC_BIG_ENDIAN); consumed = total_len; break; case ipv4: if (total_len != 4) { expert_add_info_format(pinfo, item, &ei_dhcp_bad_length, "length isn't 4"); break; } if (hf != NULL) proto_tree_add_item(tree, *hf, tvb, offset, 4, ENC_BIG_ENDIAN); else if (hf_default->ipv4 != NULL) proto_tree_add_item(tree, *hf_default->ipv4, tvb, offset, 4, ENC_BIG_ENDIAN); /* Show IP address in root of option */ proto_item_append_text(tree, " (%s)", tvb_ip_to_str(pinfo->pool, tvb, offset)); consumed = 4; break; case ipv4_list: for (i = offset, left = total_len; left > 0; i += 4, left -= 4) { if (left < 4) { expert_add_info_format(pinfo, item, &ei_dhcp_bad_length, "Option length isn't a multiple of 4"); break; } if (hf != NULL) proto_tree_add_item(tree, *hf, tvb, i, 4, ENC_BIG_ENDIAN); else if (hf_default->ipv4_list != NULL) proto_tree_add_item(tree, *hf_default->ipv4_list, tvb, i, 4, ENC_BIG_ENDIAN); consumed += 4; } break; case string: if (hf != NULL) proto_tree_add_item(tree, *hf, tvb, offset, total_len, ENC_BIG_ENDIAN); else if (hf_default->string != NULL) proto_tree_add_item(tree, *hf_default->string, tvb, offset, total_len, ENC_BIG_ENDIAN); consumed = total_len; break; case val_boolean: if (total_len != 1) { expert_add_info_format(pinfo, item, &ei_dhcp_bad_length, "length isn't 1"); break; } if (hf != NULL) proto_tree_add_item(tree, *hf, tvb, offset, 1, ENC_BIG_ENDIAN); else if (hf_default->val_boolean != NULL) proto_tree_add_item(tree, *hf_default->val_boolean, tvb, offset, 1, ENC_BIG_ENDIAN); consumed = 1; break; case val_u_byte: if (total_len != 1) { expert_add_info_format(pinfo, item, &ei_dhcp_bad_length, "length isn't 1"); break; } if (hf != NULL) proto_tree_add_item(tree, *hf, tvb, offset, 1, ENC_BIG_ENDIAN); else if (hf_default->val_u_byte != NULL) proto_tree_add_item(tree, *hf_default->val_u_byte, tvb, offset, 1, ENC_BIG_ENDIAN); consumed = 1; break; case val_u_short: if (total_len != 2) { expert_add_info_format(pinfo, item, &ei_dhcp_bad_length, "length isn't 2"); break; } if (hf != NULL) proto_tree_add_item(tree, *hf, tvb, offset, 2, ENC_BIG_ENDIAN); else if (hf_default->val_u_short != NULL) proto_tree_add_item(tree, *hf_default->val_u_short, tvb, offset, 2, ENC_BIG_ENDIAN); consumed = 2; break; case val_u_le_short: if (total_len != 2) { expert_add_info_format(pinfo, item, &ei_dhcp_bad_length, "length isn't 2"); break; } if (hf != NULL) proto_tree_add_item(tree, *hf, tvb, offset, 2, ENC_LITTLE_ENDIAN); else if (hf_default->val_u_short != NULL) proto_tree_add_item(tree, *hf_default->val_u_short, tvb, offset, 2, ENC_LITTLE_ENDIAN); consumed = 2; break; case val_u_short_list: for (i = offset, left = total_len; left > 0; i += 2, left -= 2) { if (left < 2) { expert_add_info_format(pinfo, item, &ei_dhcp_bad_length, "Option length isn't a multiple of 2"); break; } if (hf != NULL) proto_tree_add_item(tree, *hf, tvb, i, 2, ENC_BIG_ENDIAN); else if (hf_default->val_u_short_list != NULL) proto_tree_add_item(tree, *hf_default->val_u_short_list, tvb, i, 2, ENC_BIG_ENDIAN); consumed += 2; } break; case val_u_long: if (total_len != 4) { expert_add_info_format(pinfo, item, &ei_dhcp_bad_length, "length isn't 4"); break; } if (hf != NULL) proto_tree_add_item(tree, *hf, tvb, offset, 4, ENC_BIG_ENDIAN); else if (hf_default->val_u_long != NULL) proto_tree_add_item(tree, *hf_default->val_u_long, tvb, offset, 4, ENC_BIG_ENDIAN); consumed = 4; break; case time_in_s_secs: if (total_len != 4) { expert_add_info_format(pinfo, item, &ei_dhcp_bad_length, "length isn't 4"); break; } if (hf != NULL) { proto_tree_add_item(tree, *hf, tvb, offset, 4, ENC_BIG_ENDIAN); } else if (hf_default->time_in_s_secs != NULL) proto_tree_add_item(tree, *hf_default->time_in_s_secs, tvb, offset, 4, ENC_BIG_ENDIAN); consumed = 4; break; case time_in_u_secs: if (total_len != 4) { expert_add_info_format(pinfo, item, &ei_dhcp_bad_length, "length isn't 4"); break; } if (hf != NULL) { proto_tree_add_item(tree, *hf, tvb, offset, 4, ENC_BIG_ENDIAN); } else if (hf_default->time_in_u_secs != NULL) proto_tree_add_item(tree, *hf_default->time_in_u_secs, tvb, offset, 4, ENC_BIG_ENDIAN); consumed = 4; break; default: /* Ignore other field_types */ break; } return consumed; } static int dissect_dhcpopt_basic_type(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data) { struct opt_info *opt; dhcp_option_data_t *option_data = (dhcp_option_data_t*)data; struct basic_types_hfs default_hfs = { &hf_dhcp_option_value, &hf_dhcp_option_value_ip_address, &hf_dhcp_option_value_ip_address, &hf_dhcp_option_value_stringz, &hf_dhcp_option_value_boolean, &hf_dhcp_option_value_8, &hf_dhcp_option_value_16, &hf_dhcp_option_value_16, &hf_dhcp_option_value_u32, &hf_dhcp_option_value_s_secs, &hf_dhcp_option_value_u_secs, }; opt = dhcp_get_opt(option_data->option); if (opt == NULL) return 0; return dhcp_handle_basic_types(pinfo, tree, tree, tvb, opt->ftype, 0, tvb_reported_length(tvb), opt->phf, &default_hfs); } /* Returns the number of bytes consumed by this option. */ static int dhcp_option(tvbuff_t *tvb, packet_info *pinfo, proto_tree *bp_tree, int voff, int eoff, gboolean first_pass, gboolean *at_end, const char **dhcp_type_p, const guint8 **vendor_class_id_p, guint8 *overload_p) { struct opt_info *opt; guchar code = tvb_get_guint8(tvb, voff); int optlen; int i, consumed; proto_tree *v_tree; proto_item *vti, *ti_value; tvbuff_t *option_tvb; dhcp_option_data_t option_data; /* Options whose length isn't "optlen + 2". */ switch (code) { case 0: /* Padding */ /* check how much padding we have */ for (i = voff + 1; i < eoff; i++ ) { if (tvb_get_guint8(tvb, i) != 0) { break; } } i = i - voff; if (!first_pass) { if (bp_tree != NULL) { vti = proto_tree_add_uint_format_value(bp_tree, hf_dhcp_option_type, tvb, voff, 1, 0, "(0) Padding"); v_tree = proto_item_add_subtree(vti, ett_dhcp_option); proto_tree_add_item(v_tree, hf_dhcp_option_padding, tvb, voff, i, ENC_NA); } } consumed = i; return consumed; case 255: /* End Option */ if (!first_pass) { if (bp_tree != NULL) { vti = proto_tree_add_uint_format_value(bp_tree, hf_dhcp_option_type, tvb, voff, 1, 0, "(255) End"); v_tree = proto_item_add_subtree(vti, ett_dhcp_option); if (*overload_p) proto_tree_add_item(v_tree, hf_dhcp_option_end_overload, tvb, voff, 1, ENC_BIG_ENDIAN); else proto_tree_add_item(v_tree, hf_dhcp_option_end, tvb, voff, 1, ENC_BIG_ENDIAN); } } *at_end = TRUE; consumed = 1; return consumed; } /* * Get the length of the option, and the number of bytes it * consumes (the length doesn't include the option code or * length bytes). * * On the first pass, check first whether we have the length * byte, so that we don't throw an exception; if we throw an * exception in the first pass, which is only checking for options * whose values we need in order to properly dissect the packet * on the second pass, we won't actually dissect the options, so * you won't be able to see which option had the problem. */ if (first_pass) { if (!tvb_bytes_exist(tvb, voff+1, 1)) { /* * We don't have the length byte; just return 1 * as the number of bytes we consumed, to count * the code byte. */ return 1; } } optlen = tvb_get_guint8(tvb, voff+1); consumed = optlen + 2; /* * In the first pass, we don't put anything into the protocol * tree; we just check for some options we have to look at * in order to properly process the packet: * * 52 (Overload) - we need this to properly dissect the * file and sname fields * * 53 (DHCP message type) - if this is present, this is DHCP * * 60 (Vendor class identifier) - we need this in order to * interpret the vendor-specific info * * We also check, before fetching anything, to make sure we * have the entire item we're fetching, so that we don't throw * an exception. */ if (first_pass) { if (tvb_bytes_exist(tvb, voff+2, consumed-2)) { switch (code) { case 52: *overload_p = tvb_get_guint8(tvb, voff+2); break; case 53: *dhcp_type_p = val_to_str(tvb_get_guint8(tvb, voff+2), opt53_text, "Unknown Message Type (0x%02x)"); break; case 60: *vendor_class_id_p = tvb_get_string_enc(pinfo->pool, tvb, voff+2, consumed-2, ENC_ASCII); break; case 119: rfc3396_dns_domain_search_list.total_number_of_block++; break; case 120: rfc3396_sip_server.total_number_of_block++; break; } } /* * We don't do anything else here. */ return consumed; } /* Normal cases */ opt = dhcp_get_opt(code); if (opt == NULL) { /* THIS SHOULD NEVER HAPPEN!!! */ return consumed; } vti = proto_tree_add_uint_format_value(bp_tree, hf_dhcp_option_type, tvb, voff, consumed, code, "(%d) %s", code, opt->text); v_tree = proto_item_add_subtree(vti, ett_dhcp_option); proto_tree_add_item(v_tree, hf_dhcp_option_length, tvb, voff+1, 1, ENC_BIG_ENDIAN); ti_value = proto_tree_add_item(v_tree, hf_dhcp_option_value, tvb, voff+2, optlen, ENC_NA); proto_item_set_hidden(ti_value); /* prepate data for dissector table */ option_tvb = tvb_new_subset_length(tvb, voff+2, optlen); option_data.option = code; option_data.overload = overload_p; option_data.dhcp_type = *dhcp_type_p; option_data.vendor_class_id = *vendor_class_id_p; option_data.orig_tvb = tvb; if (!dissector_try_uint_new(dhcp_option_table, code, option_tvb, pinfo, v_tree, FALSE, &option_data)) { /* hf_dhcp_option_value is already in tree, just make it visible */ proto_item_set_visible(ti_value); } return consumed; } static int dissect_dhcpopt_policy_filter(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_) { int offset = 0; while (tvb_reported_length_remaining(tvb, offset) >= 8) { proto_tree_add_item(tree, hf_dhcp_option_policy_filter_ip, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; proto_tree_add_item(tree, hf_dhcp_option_policy_filter_subnet_mask, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; } if (tvb_reported_length_remaining(tvb, offset) > 0) { expert_add_info_format(pinfo, tree, &ei_dhcp_bad_length, "Option length isn't a multiple of 8"); } return tvb_captured_length(tvb); } static int dissect_dhcpopt_static_route(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_) { int offset = 0; while (tvb_reported_length_remaining(tvb, offset) >= 8) { proto_tree_add_item(tree, hf_dhcp_option_static_route_ip, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; proto_tree_add_item(tree, hf_dhcp_option_static_route_router, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; } if (tvb_reported_length_remaining(tvb, offset) > 0) { expert_add_info_format(pinfo, tree, &ei_dhcp_bad_length, "Option length isn't a multiple of 8"); } return tvb_captured_length(tvb); } static int dissect_dhcpopt_vendor_specific_info(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data) { heur_dtbl_entry_t *hdtbl_entry; proto_tree *vendor_tree; if (!dissector_try_heuristic(dhcp_vendor_info_subdissector, tvb, pinfo, tree, &hdtbl_entry, data)) { /* Default Vendor-Specific Info.. display in bytes */ vendor_tree = proto_item_add_subtree(tree, ett_dhcp_option); proto_tree_add_item(vendor_tree, hf_dhcp_option43_value, tvb, 0, tvb_reported_length(tvb), ENC_NA); } return tvb_captured_length(tvb); } static int dissect_dhcpopt_option_overload(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data) { int offset = 0; int suboffset, suboffset_end; gboolean at_end; dhcp_option_data_t *option_data = (dhcp_option_data_t*)data; guint32 byte; if (tvb_reported_length(tvb) < 1) { expert_add_info_format(pinfo, tree, &ei_dhcp_bad_length, "length isn't >= 1"); return 1; } proto_tree_add_item_ret_uint(tree, hf_dhcp_option_option_overload, tvb, offset, 1, ENC_BIG_ENDIAN, &byte); /* Just in case we find an option 52 in sname or file */ if ((*option_data->overload >= 1) && (*option_data->overload <= 3)) { if (byte & OPT_OVERLOAD_SNAME) { proto_item *oti; proto_tree *overload_tree = proto_tree_add_subtree(tree, option_data->orig_tvb, SERVER_NAME_OFFSET, SERVER_NAME_LEN, ett_dhcp_server_hostname, &oti, "Server host name option overload"); guint8 ignore_overload = 0; suboffset = SERVER_NAME_OFFSET; suboffset_end = SERVER_NAME_OFFSET + SERVER_NAME_LEN; at_end = FALSE; rfc3396_dns_domain_search_list.index_current_block = 0; rfc3396_sip_server.index_current_block = 0; while (suboffset < suboffset_end && !at_end) { suboffset += dhcp_option(option_data->orig_tvb, pinfo, overload_tree, suboffset, suboffset_end, FALSE, &at_end, &option_data->dhcp_type, &option_data->vendor_class_id, &ignore_overload); } if (!at_end) { expert_add_info(pinfo, oti, &hf_dhcp_opt_overload_sname_end_missing); } } if (byte & OPT_OVERLOAD_FILE) { proto_item *oti; proto_tree *overload_tree = proto_tree_add_subtree(tree, option_data->orig_tvb, FILE_NAME_OFFSET, FILE_NAME_LEN, ett_dhcp_filename_option, &oti, "Boot file name option overload"); guint8 ignore_overload = 0; suboffset = FILE_NAME_OFFSET; suboffset_end = FILE_NAME_OFFSET + FILE_NAME_LEN; at_end = FALSE; rfc3396_dns_domain_search_list.index_current_block = 0; rfc3396_sip_server.index_current_block = 0; while (suboffset < suboffset_end && !at_end) { suboffset += dhcp_option(option_data->orig_tvb, pinfo, overload_tree, suboffset, suboffset_end, FALSE, &at_end, &option_data->dhcp_type, &option_data->vendor_class_id, &ignore_overload); } if (!at_end) { expert_add_info(pinfo, oti, &hf_dhcp_opt_overload_file_end_missing); } } /* The final end option is not in overload */ *option_data->overload = 0; } return tvb_captured_length(tvb); } static int dissect_dhcpopt_dhcp(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, void* data _U_) { guint32 type; proto_tree_add_item_ret_uint(tree, hf_dhcp_option_dhcp, tvb, 0, 1, ENC_NA, &type); /* Show the message type name on the Message Type option, and in the protocol root */ proto_item_append_text(tree, " (%s)", val_to_str(type, opt53_text, "Unknown Message Type (0x%02x)")); proto_item_append_text(proto_item_get_parent(tree), " (%s)", val_to_str(type, opt53_text, "Unknown Message Type (0x%02x)")); return tvb_captured_length(tvb); } static int dissect_dhcpopt_param_request_list(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, void* data _U_) { int offset = 0; guint8 byte; while (tvb_reported_length_remaining(tvb, offset) > 0) { byte = tvb_get_guint8(tvb, offset); proto_tree_add_uint_format_value(tree, hf_dhcp_option_parameter_request_list_item, tvb, offset, 1, byte, "(%d) %s", byte, dhcp_get_opt_text(byte)); offset++; } return tvb_captured_length(tvb); } static int dissect_dhcpopt_vendor_class_identifier(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data) { heur_dtbl_entry_t *hdtbl_entry; /* * XXX - RFC 2132 says this is a string of octets; * should we check for non-printables? */ proto_tree_add_item(tree, hf_dhcp_option_vendor_class_id, tvb, 0, tvb_reported_length(tvb), ENC_ASCII); dissector_try_heuristic(dhcp_vendor_id_subdissector, tvb, pinfo, tree, &hdtbl_entry, data); return tvb_captured_length(tvb); } static int dissect_dhcpopt_client_identifier(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_) { int offset = 0; int length = tvb_reported_length(tvb); guchar byte; if (length > 0) byte = tvb_get_guint8(tvb, offset); else byte = 0; /* We *MAY* use hwtype/hwaddr. If we have 7 bytes, I'll guess that the first is the hwtype, and the last 6 are the hw addr */ /* See https://www.iana.org/assignments/arp-parameters */ /* RFC2132 9.14 Client-identifier has the following to say: A hardware type of 0 (zero) should be used when the value field contains an identifier other than a hardware address (e.g. a fully qualified domain name). */ if (length == 7 && byte > 0 && byte < 48) { proto_tree_add_item(tree, hf_dhcp_hw_type, tvb, offset, 1, ENC_NA); if (byte == ARPHRD_ETHER || byte == ARPHRD_IEEE802) proto_tree_add_item(tree, hf_dhcp_hw_ether_addr, tvb, offset+1, 6, ENC_NA); else proto_tree_add_string(tree, hf_dhcp_client_hardware_address, tvb, offset+1, 6, tvb_arphrdaddr_to_str(pinfo->pool, tvb, offset+1, 6, byte)); } else if (length == 17 && byte == 0) { /* Identifier is a UUID */ proto_tree_add_item(tree, hf_dhcp_client_identifier_uuid, tvb, offset + 1, 16, dhcp_uuid_endian); /* From RFC 4361 paragraph 6.1 DHCPv4 Client Behavior: To send an RFC 3315-style binding identifier in a DHCPv4 'client identifier' option, the type of the 'client identifier' option is set to 255. */ } else if (byte == 255) { guint16 duidtype; guint16 hwtype; /* The type field is immediately followed by the IAID, which is an opaque 32-bit quantity */ proto_tree_add_string(tree, hf_dhcp_client_id_iaid, tvb, offset+1, 4, tvb_arphrdaddr_to_str(pinfo->pool, tvb, offset+1, 4, byte)); offset += 5; duidtype = tvb_get_ntohs(tvb, offset); proto_tree_add_item(tree, hf_dhcp_client_id_duid_type, tvb, offset, 2, ENC_BIG_ENDIAN); switch (duidtype) { case DUID_LLT: if (length < 8) { expert_add_info(pinfo, tree, &ei_dhcp_mal_duid); break; } hwtype=tvb_get_ntohs(tvb, offset + 2); proto_tree_add_item(tree, hf_dhcp_client_identifier_duid_llt_hw_type, tvb, offset + 2, 2, ENC_BIG_ENDIAN); /* XXX seconds since Jan 1 2000 */ proto_tree_add_item(tree, hf_dhcp_client_identifier_time, tvb, offset + 4, 4, ENC_BIG_ENDIAN); if (length > 8) { proto_tree_add_string(tree, hf_dhcp_client_identifier_link_layer_address, tvb, offset + 8, length - 13, tvb_arphrdaddr_to_str(pinfo->pool, tvb, offset+8, length-13, hwtype)); if(DHCP_HW_IS_ETHER(hwtype, length-13)) { proto_tree_add_item(tree, hf_dhcp_client_identifier_link_layer_address_ether, tvb, offset+8, length-13, ENC_NA); } } break; case DUID_EN: if (length < 6) { expert_add_info(pinfo, tree, &ei_dhcp_mal_duid); break; } proto_tree_add_item(tree, hf_dhcp_client_identifier_enterprise_num, tvb, offset + 2, 4, ENC_BIG_ENDIAN); if (length > 6) { proto_tree_add_item(tree, hf_dhcp_client_identifier, tvb, offset + 6, length - 11, ENC_NA); } break; case DUID_LL: if (length < 4) { expert_add_info(pinfo, tree, &ei_dhcp_mal_duid); break; } hwtype=tvb_get_ntohs(tvb, offset + 2); proto_tree_add_item(tree, hf_dhcp_client_identifier_duid_ll_hw_type, tvb, offset + 2, 2, ENC_BIG_ENDIAN); if (length > 4) { proto_tree_add_string(tree, hf_dhcp_client_identifier_link_layer_address, tvb, offset + 4, length - 9, tvb_arphrdaddr_to_str(pinfo->pool, tvb, offset+4, length-9, hwtype)); if(DHCP_HW_IS_ETHER(hwtype, length-9)) { proto_tree_add_item(tree, hf_dhcp_client_identifier_link_layer_address_ether, tvb, offset+4, length-9, ENC_NA); } } break; } } else if (byte == 0 && length > 1) { /* identifier other than a hardware address (e.g. a fully qualified domain name) */ proto_tree_add_item(tree, hf_dhcp_client_identifier_type, tvb, offset, 1, ENC_NA); proto_tree_add_item(tree, hf_dhcp_client_identifier_undef, tvb, offset+1, length-1, ENC_ASCII); } else { /* otherwise, it's opaque data */ } return tvb_captured_length(tvb); } static int dissect_dhcpopt_user_class_information(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_) { guchar user_class_instance_index = 0; int offset = 0; proto_item *vtix, *len_item; proto_tree *o77_v_tree; guint class_length, uci_len = tvb_reported_length(tvb); if (uci_len < 2) { expert_add_info_format(pinfo, tree, &ei_dhcp_bad_length, "length isn't >= 2"); return 1; } /* First byte is the length of User Class data. If it is zero, then let's assume this * is a Microsoft variant that has the two-byte length field with most-significant byte * as zero. */ guint16 ms_data_length = tvb_get_guint16(tvb, offset, ENC_BIG_ENDIAN); if (ms_data_length <= 0xff) { /* MSB is zero, this is Microsoft */ proto_tree_add_uint(tree, hf_dhcp_option77_user_class_binary_data_length, tvb, offset, 2, ms_data_length); offset += 2; proto_tree_add_item(tree, hf_dhcp_option77_user_class_binary_data, tvb, offset, ms_data_length, ENC_STRING); offset += ms_data_length; /* User Class Binary Data is padded to 4-byte boundary */ guint16 padding_length = (4 - (ms_data_length % 4)) & 0x3; if (padding_length > 0) { proto_tree_add_item(tree, hf_dhcp_option77_user_class_padding, tvb, offset, padding_length, ENC_NA); offset += padding_length; } guint32 len; proto_tree_add_item_ret_uint(tree, hf_dhcp_option77_user_class_name_length, tvb, offset, 2, ENC_BIG_ENDIAN, &len); offset += 2; proto_tree_add_item(tree, hf_dhcp_option77_user_class_name, tvb, offset, len, ENC_UTF_16); offset += len; proto_tree_add_item_ret_uint(tree, hf_dhcp_option77_user_class_description_length, tvb, offset, 2, ENC_BIG_ENDIAN, &len); offset += 2; proto_tree_add_item(tree, hf_dhcp_option77_user_class_description, tvb, offset, len, ENC_UTF_16); return tvb_captured_length(tvb); } while (tvb_reported_length_remaining(tvb, offset) > 0) { class_length = tvb_get_guint8(tvb, offset); if (class_length >= uci_len) { /* Having the sum of the User Class data lengths exceed the total User Option Information length (uci_len) * is a violation of RFC 3004. In that case the remaining data is treated as a non-conformant (text) option. * This check will also catch the Microsoft 'variation' implementation (when Vendor class identifier contains * "MSFT 5.0") such as "RRAS.Microsoft" and others like "iPXE". * In the unlikely case that the first character can be interpreted as a valid length the next iteration * of this while loop will catch that. * https://gitlab.com/wireshark/wireshark/-/issues/16349 * https://docs.microsoft.com/en-us/openspecs/windows_protocols/ms-dhcpe/fe8a2dd4-1e8c-4546-bacd-4ae10de02058 */ proto_item *expert_ti = proto_tree_add_item(tree, hf_dhcp_option77_user_class_text, tvb, offset, uci_len, ENC_ASCII); expert_add_info(pinfo, expert_ti, &ei_dhcp_nonstd_option_data); break; } /* Create subtree for instance of User Class. */ vtix = proto_tree_add_uint_format_value(tree, hf_dhcp_option77_user_class, tvb, offset, 1, user_class_instance_index, "[%d]", user_class_instance_index); o77_v_tree = proto_item_add_subtree(vtix, ett_dhcp_option77_instance); /* Add length for instance of User Class. */ len_item = proto_tree_add_uint(o77_v_tree, hf_dhcp_option77_user_class_length, tvb, offset, 1, class_length); proto_item_set_len(vtix, class_length+1); offset++; if (class_length == 0) { expert_add_info_format(pinfo, len_item, &ei_dhcp_bad_length, "UC_Len_%u isn't >= 1 (UC_Len_%u = 0)", user_class_instance_index, user_class_instance_index); break; } /* Add data for instance of User Class. */ proto_tree_add_item(o77_v_tree, hf_dhcp_option77_user_class_data, tvb, offset, class_length, ENC_NA); offset += class_length; uci_len -= class_length + 1; user_class_instance_index++; } return tvb_captured_length(tvb); } static int dissect_dhcpopt_slp_directory_agent(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_) { int offset = 0; guint32 byte; if (tvb_reported_length(tvb) < 1) { expert_add_info_format(pinfo, tree, &ei_dhcp_bad_length, "length isn't >= 1"); return 1; } proto_tree_add_item_ret_uint(tree, hf_dhcp_option_slp_directory_agent_value, tvb, offset, 1, ENC_BIG_ENDIAN, &byte); offset++; if (byte == 0x80) { if (tvb_reported_length_remaining(tvb, offset) == 0) return offset; offset++; } while (tvb_reported_length_remaining(tvb, offset) >= 4) { proto_tree_add_item(tree, hf_dhcp_option_slp_directory_agent_slpda_address, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; } if (tvb_reported_length_remaining(tvb, offset) > 0) { expert_add_info_format(pinfo, tree, &ei_dhcp_bad_length, "Option length isn't a multiple of 4"); } return tvb_captured_length(tvb); } static int dissect_dhcpopt_slp_service_scope(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, void* data _U_) { int offset = 0; proto_tree_add_item(tree, hf_dhcp_option_slp_service_scope_value, tvb, offset, 1, ENC_BIG_ENDIAN); offset++; proto_tree_add_item(tree, hf_dhcp_option_slp_service_scope_string, tvb, offset, tvb_reported_length_remaining(tvb, offset), ENC_ASCII); return tvb_captured_length(tvb); } static int dissect_dhcpopt_client_full_domain_name(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_) { static int * const fqdn_hf_flags[] = { &hf_dhcp_fqdn_mbz, &hf_dhcp_fqdn_n, &hf_dhcp_fqdn_e, &hf_dhcp_fqdn_o, &hf_dhcp_fqdn_s, NULL }; guint8 fqdn_flags; int offset = 0, length = tvb_reported_length(tvb); const guchar *dns_name; gint dns_name_len; if (length < 3) { expert_add_info_format(pinfo, tree, &ei_dhcp_bad_length, "length isn't >= 3"); return 1; } fqdn_flags = tvb_get_guint8(tvb, offset); proto_tree_add_bitmask(tree, tvb, offset, hf_dhcp_fqdn_flags, ett_dhcp_fqdn_flags, fqdn_hf_flags, ENC_BIG_ENDIAN); /* XXX: use code from packet-dns for return code decoding */ proto_tree_add_item(tree, hf_dhcp_fqdn_rcode1, tvb, offset+1, 1, ENC_BIG_ENDIAN); /* XXX: use code from packet-dns for return code decoding */ proto_tree_add_item(tree, hf_dhcp_fqdn_rcode2, tvb, offset+2, 1, ENC_BIG_ENDIAN); if (length > 3) { if (fqdn_flags & F_FQDN_E) { get_dns_name(tvb, offset+3, length-3, offset+3, (const char **)&dns_name, &dns_name_len); proto_tree_add_string(tree, hf_dhcp_fqdn_name, tvb, offset+3, length-3, format_text(pinfo->pool, dns_name, dns_name_len)); } else { proto_tree_add_item(tree, hf_dhcp_fqdn_asciiname, tvb, offset+3, length-3, ENC_ASCII); } } return tvb_captured_length(tvb); } static int dissect_dhcpopt_novell_servers(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_) { int offset = 0; /* Option 85 can be sent as a string */ /* Added by Greg Morris (gmorris[AT]novell.com) */ if (novell_string) { proto_tree_add_item(tree, hf_dhcp_option_novell_dss_string, tvb, offset, tvb_reported_length(tvb), ENC_ASCII); } else { /* IP addresses */ while (tvb_reported_length_remaining(tvb, offset) >= 4) { proto_tree_add_item(tree, hf_dhcp_option_novell_dss_ip, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; } if (tvb_reported_length_remaining(tvb, offset) > 0) { expert_add_info_format(pinfo, tree, &ei_dhcp_bad_length, "Option length isn't a multiple of 4"); } } return tvb_captured_length(tvb); } static int dissect_dhcpopt_dhcp_authentication(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data) { int offset = 0; dhcp_option_data_t *option_data = (dhcp_option_data_t*)data; guint32 protocol, rdm; guint8 algorithm; if (tvb_reported_length(tvb) < 11) { expert_add_info_format(pinfo, tree, &ei_dhcp_bad_length, "length isn't >= 11"); return 1; } proto_tree_add_item_ret_uint(tree, hf_dhcp_option_dhcp_authentication_protocol, tvb, offset, 1, ENC_BIG_ENDIAN, &protocol); offset++; algorithm = tvb_get_guint8(tvb, offset); switch (protocol) { case AUTHEN_PROTO_DELAYED_AUTHEN: proto_tree_add_item(tree, hf_dhcp_option_dhcp_authentication_alg_delay, tvb, offset, 1, ENC_BIG_ENDIAN); break; default: proto_tree_add_item(tree, hf_dhcp_option_dhcp_authentication_algorithm, tvb, offset, 1, ENC_BIG_ENDIAN); break; } offset++; proto_tree_add_item_ret_uint(tree, hf_dhcp_option_dhcp_authentication_rdm, tvb, offset, 1, ENC_BIG_ENDIAN, &rdm); offset++; switch (rdm) { case AUTHEN_RDM_MONOTONIC_COUNTER: proto_tree_add_item(tree, hf_dhcp_option_dhcp_authentication_rdm_replay_detection, tvb, offset, 8, ENC_BIG_ENDIAN); break; default: proto_tree_add_item(tree, hf_dhcp_option_dhcp_authentication_rdm_rdv, tvb, offset, 8, ENC_ASCII); break; } offset += 8; switch (protocol) { case AUTHEN_PROTO_DELAYED_AUTHEN: switch (algorithm) { case AUTHEN_DELAYED_ALGO_HMAC_MD5: if (option_data->dhcp_type && !strcmp(option_data->dhcp_type, OPT53_DISCOVER)) { /* Discover has no Secret ID nor HMAC MD5 Hash */ break; } else { if (tvb_reported_length_remaining(tvb, offset) < 20) { expert_add_info_format(pinfo, tree, &ei_dhcp_bad_length, "length isn't >= 20"); break; } proto_tree_add_item(tree, hf_dhcp_option_dhcp_authentication_secret_id, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; proto_tree_add_item(tree, hf_dhcp_option_dhcp_authentication_hmac_md5_hash, tvb, offset, 16, ENC_NA); break; } default: if (tvb_reported_length_remaining(tvb, offset) == 0) break; proto_tree_add_item(tree, hf_dhcp_option_dhcp_authentication_information, tvb, offset, tvb_reported_length_remaining(tvb, offset), ENC_ASCII); break; } break; default: if (tvb_reported_length_remaining(tvb, offset) == 0) break; proto_tree_add_item(tree, hf_dhcp_option_dhcp_authentication_information, tvb, offset, tvb_reported_length_remaining(tvb, offset), ENC_ASCII); break; } return tvb_captured_length(tvb); } static int dissect_dhcpopt_client_architecture(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_) { int offset = 0; while (tvb_reported_length_remaining(tvb, offset) > 1) { guint32 architecture_id; proto_item *pi; pi = proto_tree_add_item_ret_uint(tree, hf_dhcp_option_client_system_architecture, tvb, offset, 2, ENC_BIG_ENDIAN, &architecture_id); offset += 2; /* * Some Client Architecture IDs are widely misused. For * details, refer to the comment at the definition of * dhcp_client_arch. * * The most common problem is a client using architecture ID 9 * when performing an EFI x64 boot. Windows Server 2008 WDS * does not recognize ID 9, but most other DHCP servers * (including newer versions of WDS) silently map architecture * ID 9 to x64 in order to accommodate these clients. */ if (architecture_id == 9) { expert_add_info_format(pinfo, pi, &ei_dhcp_option93_client_arch_ambiguous, "Client Architecture ID 9 is often incorrectly used for EFI x64"); } /* * Technically, architecture ID 7 is ambiguous for the same * reason, but it's extremely unlikely to be a real world * problem, so a warning would probably just be unwelcome * noise. */ } if (tvb_reported_length_remaining(tvb, offset) > 0) { expert_add_info_format(pinfo, tree, &ei_dhcp_bad_length, "Option length isn't a multiple of 2"); } return tvb_captured_length(tvb); } static int dissect_dhcpopt_client_network_interface_id(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, void* data _U_) { int offset = 0; guint8 id_type; id_type = tvb_get_guint8(tvb, offset); offset++; if (id_type == 0x01) { proto_tree_add_item(tree, hf_dhcp_option_client_network_id_major_ver, tvb, offset, 1, ENC_LITTLE_ENDIAN); offset++; proto_tree_add_item(tree, hf_dhcp_option_client_network_id_minor_ver, tvb, offset, 1, ENC_LITTLE_ENDIAN); } return tvb_captured_length(tvb); } static int dissect_dhcpopt_client_identifier_uuid(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_) { int offset = 0, length = tvb_reported_length(tvb); guint8 byte; if (length > 0) byte = tvb_get_guint8(tvb, offset); else byte = 0; /* We *MAY* use hwtype/hwaddr. If we have 7 bytes, I'll guess that the first is the hwtype, and the last 6 are the hw addr */ /* See https://www.iana.org/assignments/arp-parameters */ /* RFC2132 9.14 Client-identifier has the following to say: A hardware type of 0 (zero) should be used when the value field contains an identifier other than a hardware address (e.g. a fully qualified domain name). */ if (length == 7 && byte > 0 && byte < 48) { proto_tree_add_item(tree, hf_dhcp_hw_type, tvb, offset, 1, ENC_NA); if (byte == ARPHRD_ETHER || byte == ARPHRD_IEEE802) proto_tree_add_item(tree, hf_dhcp_hw_ether_addr, tvb, offset+1, 6, ENC_NA); else proto_tree_add_string(tree, hf_dhcp_client_hardware_address, tvb, offset+1, 6, tvb_arphrdaddr_to_str(pinfo->pool, tvb, offset+1, 6, byte)); } else if (length == 17 && byte == 0) { /* Identifier is a UUID */ proto_tree_add_item(tree, hf_dhcp_client_identifier_uuid, tvb, offset + 1, 16, dhcp_uuid_endian); } else { /* otherwise, it's opaque data */ } return tvb_captured_length(tvb); } static int dissect_dhcpopt_civic_location(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_) { int offset = 0; if (tvb_reported_length(tvb) >= 3) { proto_tree_add_item(tree, hf_dhcp_option_civic_location_what, tvb, offset, 1, ENC_BIG_ENDIAN); offset++; proto_tree_add_item(tree, hf_dhcp_option_civic_location_country, tvb, offset, 2, ENC_ASCII); offset += 2; while (tvb_reported_length_remaining(tvb, offset) >= 2) { guint32 calength; proto_tree_add_item(tree, hf_dhcp_option_civic_location_ca_type, tvb, offset, 1, ENC_BIG_ENDIAN); offset++; proto_tree_add_item_ret_uint(tree, hf_dhcp_option_civic_location_ca_length, tvb, offset, 1, ENC_BIG_ENDIAN, &calength); offset++; if (calength == 0) continue; if (tvb_reported_length_remaining(tvb, offset) >= (int)calength) { proto_tree_add_item(tree, hf_dhcp_option_civic_location_ca_value, tvb, offset, calength, ENC_ASCII); offset += calength; } else { expert_add_info(pinfo, tree, &ei_dhcp_option_civic_location_bad_cattype); break; } } } return tvb_captured_length(tvb); } static int dissect_dhcpopt_name_server_search(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_) { int offset = 0, length = tvb_reported_length(tvb); guint16 ns; if (length < 2) { expert_add_info_format(pinfo, tree, &ei_dhcp_bad_length, "length isn't >= 2"); return 1; } else if (length & 1) { expert_add_info_format(pinfo, tree, &ei_dhcp_bad_length, "length (%u) isn't even number", length); return 1; } while (tvb_reported_length_remaining(tvb, offset) > 0) { ns = tvb_get_ntohs(tvb, offset); /* XXX - Make this a value_string */ switch (ns) { case RFC2937_LOCAL_NAMING_INFORMATION: proto_tree_add_string(tree, hf_dhcp_option_dhcp_name_service_search_option, tvb, offset, 2, "Local naming information (e.g., an /etc/hosts file on a UNIX machine) (0)"); break; case RFC2937_DOMAIN_NAME_SERVER_OPTION: proto_tree_add_string(tree, hf_dhcp_option_dhcp_name_service_search_option, tvb, offset, 2, "Domain Name Server Option (6)"); break; case RFC2937_NETWORK_INFORMATION_SERVERS_OPTION: proto_tree_add_string(tree, hf_dhcp_option_dhcp_name_service_search_option, tvb, offset, 2, "Network Information Servers Option (41)"); break; case RFC2937_NETBIOS_OVER_TCP_IP_NAME_SERVER_OPTION: proto_tree_add_string(tree, hf_dhcp_option_dhcp_name_service_search_option, tvb, offset, 2, "NetBIOS over TCP/IP Name Server Option (44)"); break; case RFC2937_NETWORK_INFORMATION_SERVICE_PLUS_SERVERS_OPTION: proto_tree_add_string(tree, hf_dhcp_option_dhcp_name_service_search_option, tvb, offset, 2, "Network Information Service+ Servers Option (65)"); break; default: expert_add_info_format(pinfo, tree, &ei_dhcp_option_dhcp_name_service_invalid, "Invalid Name Service (%u). RFC 2937 defines only 0, 6, 41, 44, and 65 as possible values.", ns); break; } offset += 2; } return tvb_captured_length(tvb); } static int dissect_dhcpopt_dhcp_domain_search(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_) { int length = tvb_reported_length(tvb); gchar *name_out; const guchar *dns_name; gint dns_name_len; /* Encoding Long Options in the Dynamic Host Configuration Protocol (DHCPv4) (RFC 3396) */ /* Domain Names - Implementation And Specification (RFC 1035) */ rfc3396_dns_domain_search_list.index_current_block++; if (rfc3396_dns_domain_search_list.total_number_of_block > 1) { proto_tree_add_string(tree, hf_dhcp_option_dhcp_dns_domain_search_list_rfc_3396_detected, tvb, 0, length, wmem_strdup_printf(pinfo->pool, "%u/%u", rfc3396_dns_domain_search_list.index_current_block, rfc3396_dns_domain_search_list.total_number_of_block)); if (rfc3396_dns_domain_search_list.index_current_block != rfc3396_dns_domain_search_list.total_number_of_block) { proto_tree_add_string(tree, hf_dhcp_option_dhcp_dns_domain_search_list_refer_last_option, tvb, 0, length, wmem_strdup_printf(pinfo->pool, "%u/%u", rfc3396_dns_domain_search_list.total_number_of_block, rfc3396_dns_domain_search_list.total_number_of_block)); } } if (rfc3396_dns_domain_search_list.tvb_composite == NULL && length) { /* We use composite tvb for managing RFC 3396 */ rfc3396_dns_domain_search_list.tvb_composite = tvb_new_composite(); } /* Concatenate the block before being interpreted for managing RFC 3396 */ if (length) tvb_composite_append(rfc3396_dns_domain_search_list.tvb_composite, tvb_new_subset_length(tvb, 0, length)); if (rfc3396_dns_domain_search_list.index_current_block == rfc3396_dns_domain_search_list.total_number_of_block && rfc3396_dns_domain_search_list.tvb_composite) { /* Here, we are into the last (or unique) option 119. */ /* We will display the information about fqdn */ unsigned int consumedx = 0; unsigned int composite_offset = 0; tvb_composite_finalize(rfc3396_dns_domain_search_list.tvb_composite); while (composite_offset < tvb_reported_length(rfc3396_dns_domain_search_list.tvb_composite)) { /* use the get_dns_name method that manages all techniques of RFC 1035 (compression pointer and so on) */ consumedx = get_dns_name(rfc3396_dns_domain_search_list.tvb_composite, composite_offset, tvb_reported_length(rfc3396_dns_domain_search_list.tvb_composite), 0, (const gchar **)&dns_name, &dns_name_len); name_out = format_text(pinfo->pool, dns_name, dns_name_len); if (rfc3396_dns_domain_search_list.total_number_of_block == 1) { /* RFC 3396 is not used, so we can easily link the fqdn with v_tree. */ proto_tree_add_string(tree, hf_dhcp_option_dhcp_dns_domain_search_list_fqdn, tvb, composite_offset, consumedx, name_out); } else { /* RFC 3396 is used, so the option is split into several option 119. We don't link fqdn with v_tree. */ proto_tree_add_string(tree, hf_dhcp_option_dhcp_dns_domain_search_list_fqdn, tvb, 0, 0, name_out); } composite_offset += consumedx; } rfc3396_dns_domain_search_list.tvb_composite = NULL; } return tvb_captured_length(tvb); } static int dissect_dhcpopt_sip_servers(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_) { int length = tvb_reported_length(tvb); const guchar *dns_name; gint dns_name_len; gchar *name_out; /* Encoding Long Options in the Dynamic Host Configuration Protocol (DHCPv4) (RFC 3396) */ /* Domain Names - Implementation And Specification (RFC 1035) */ rfc3396_sip_server.index_current_block++; if (rfc3396_sip_server.total_number_of_block > 1) { proto_tree_add_string(tree, hf_dhcp_option_sip_server_rfc_3396_detected, tvb, 0, length, wmem_strdup_printf(pinfo->pool, "%u/%u", rfc3396_sip_server.index_current_block, rfc3396_sip_server.total_number_of_block)); if (rfc3396_sip_server.index_current_block != rfc3396_sip_server.total_number_of_block) { proto_tree_add_string(tree, hf_dhcp_option_sip_server_refer_last_option, tvb, 0, length, wmem_strdup_printf(pinfo->pool, "%u/%u", rfc3396_sip_server.total_number_of_block, rfc3396_sip_server.total_number_of_block)); } } if (rfc3396_sip_server.tvb_composite == NULL && length) { /* We use composite tvb for managing RFC 3396 */ rfc3396_sip_server.tvb_composite = tvb_new_composite(); } /* Concatenate the block before being interpreted for managing RFC 3396 */ if (length) tvb_composite_append(rfc3396_sip_server.tvb_composite, tvb_new_subset_length(tvb, 0, length)); if (rfc3396_sip_server.index_current_block == rfc3396_sip_server.total_number_of_block && rfc3396_sip_server.tvb_composite) { /* Here, we are into the last (or unique) option 120. */ /* We will display the information about SIP server */ guint8 enc; unsigned int composite_offset = 1; /* ignore enc */ tvb_composite_finalize(rfc3396_sip_server.tvb_composite); enc = tvb_get_guint8(rfc3396_sip_server.tvb_composite, 0); if (rfc3396_sip_server.total_number_of_block == 1) { /* RFC 3396 is not used, so we can easily link the fqdn with tree. */ proto_tree_add_uint(tree, hf_dhcp_option_sip_server_enc, tvb, 0, 1, enc); } else { /* RFC 3396 is used, so the option is split into several option 120. We don't link fqdn with tree. */ proto_tree_add_uint(tree, hf_dhcp_option_sip_server_enc, tvb, 0, 0, enc); } switch (enc) { case RFC_3361_ENC_FQDN: { unsigned int consumedx = 0; if (tvb_reported_length(rfc3396_sip_server.tvb_composite) < 3) { expert_add_info_format(pinfo, tree, &ei_dhcp_bad_length, "length isn't >= 3 (len = %u)", tvb_reported_length(rfc3396_sip_server.tvb_composite)); break; } while (composite_offset < tvb_reported_length(rfc3396_sip_server.tvb_composite)) { /* use the get_dns_name method that manages all techniques of RFC 1035 (compression pointer and so on) */ consumedx = get_dns_name(rfc3396_sip_server.tvb_composite, composite_offset, tvb_reported_length(rfc3396_sip_server.tvb_composite), 1 /* ignore enc */, (const gchar **)&dns_name, &dns_name_len); name_out = format_text(pinfo->pool, dns_name, dns_name_len); if (rfc3396_sip_server.total_number_of_block == 1) { /* RFC 3396 is not used, so we can easily link the fqdn with v_tree. */ proto_tree_add_string(tree, hf_dhcp_option_sip_server_name, tvb, composite_offset, consumedx, name_out); } else { /* RFC 3396 is used, so the option is split into several option 120. We don't link fqdn with v_tree. */ proto_tree_add_string(tree, hf_dhcp_option_sip_server_name, tvb, 0, 0, name_out); } composite_offset += consumedx; } rfc3396_sip_server.tvb_composite = NULL; break; } case RFC_3361_ENC_IPADDR: if (tvb_reported_length(rfc3396_sip_server.tvb_composite) < 5) { expert_add_info_format(pinfo, tree, &ei_dhcp_bad_length, "length isn't >= 5 (len = %u)", tvb_reported_length(rfc3396_sip_server.tvb_composite)); break; } /* x % 2^n == x & (2^n - 1) note : (assuming x is a positive integer) */ if ((tvb_reported_length(rfc3396_sip_server.tvb_composite) - 1) & 3) { if (rfc3396_sip_server.total_number_of_block == 1) expert_add_info_format(pinfo, tree, &ei_dhcp_bad_length, "length isn't a multiple of 4 plus 1 (len = %u).", tvb_reported_length(rfc3396_sip_server.tvb_composite)); else expert_add_info_format(pinfo, tree, &ei_dhcp_bad_length, "length isn't a multiple of 4 plus 1 (len = %u). For your information with RFC 3396, the length is the length sum of all options 120 into this BOOTP packet.", tvb_reported_length(rfc3396_sip_server.tvb_composite)); break; } while (composite_offset < tvb_reported_length(rfc3396_sip_server.tvb_composite)) { if (rfc3396_sip_server.total_number_of_block == 1) { /* RFC 3396 is not used, so we can easily link the fqdn with v_tree. */ proto_tree_add_item(tree, hf_dhcp_option_sip_server_address, tvb, composite_offset, 4, ENC_BIG_ENDIAN); } else { guint32 sip_server = tvb_get_ipv4(rfc3396_sip_server.tvb_composite, composite_offset); /* RFC 3396 is used, so the option is split into several option 120. We don't link fqdn with v_tree. */ proto_tree_add_ipv4(tree, hf_dhcp_option_sip_server_address, tvb, 0, 0, sip_server); } composite_offset += 4; } break; default: expert_add_info_format(pinfo, tree, &ei_dhcp_option_sip_server_address_encoding, "RFC 3361 defines only 0 and 1 for Encoding byte (Encoding = %u).", enc); break; } } return tvb_captured_length(tvb); } static int dissect_dhcpopt_classless_static_route(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_) { int offset = 0; int i, mask_width, significant_octets; proto_item* route_item; /* minimum length is 5 bytes */ if (tvb_reported_length(tvb) < 5) { expert_add_info_format(pinfo, tree, &ei_dhcp_bad_length, "length isn't >= 5"); return 1; } while (tvb_reported_length_remaining(tvb, offset) > 0) { mask_width = tvb_get_guint8(tvb, offset); /* mask_width <= 32 */ if (mask_width > 32) { expert_add_info_format(pinfo, tree, &ei_dhcp_option_classless_static_route, "Mask width (%d) > 32", mask_width); break; } significant_octets = (mask_width + 7) / 8; route_item = proto_tree_add_bytes_format(tree, hf_dhcp_option_classless_static_route, tvb, offset, 1 + significant_octets + 4, NULL, " "); offset++; /* significant octets + router(4) */ if (tvb_reported_length_remaining(tvb, offset + significant_octets + 4) < 0) { expert_add_info_format(pinfo, route_item, &ei_dhcp_bad_length, "Remaining length (%d) < %d bytes", tvb_reported_length_remaining(tvb, offset), significant_octets + 4); break; } if(mask_width == 0) proto_item_append_text(route_item, "default"); else { for(i = 0 ; i < significant_octets ; i++) { if (i > 0) proto_item_append_text(route_item, "."); proto_item_append_text(route_item, "%d", tvb_get_guint8(tvb, offset++)); } for(i = significant_octets ; i < 4 ; i++) proto_item_append_text(route_item, ".0"); proto_item_append_text(route_item, "/%d", mask_width); } proto_item_append_text(route_item, "-%s", tvb_ip_to_str(pinfo->pool, tvb, offset)); offset += 4; } return tvb_captured_length(tvb); } static int dissect_dhcpopt_coordinate_based_location(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_) { int offset = 0, length = tvb_reported_length(tvb); proto_item* ti; if (length == 16) { int ret; unsigned char lci[16]; struct rfc3825_location_fixpoint_t location_fp; struct rfc3825_location_decimal_t location; tvb_memcpy(tvb, lci, offset, 16); /* convert lci encoding into fixpoint location */ rfc3825_lci_to_fixpoint(lci, &location_fp); /* convert location from decimal to fixpoint */ ret = rfc3825_fixpoint_to_decimal(&location_fp, &location); if (ret != RFC3825_NOERROR) { ti = proto_tree_add_uint(tree, hf_dhcp_option_rfc3825_error, tvb, offset, 1, ret); proto_item_set_len(ti, length); } else { proto_tree_add_double_format_value(tree, hf_dhcp_option_rfc3825_latitude, tvb, offset, 5, location.latitude, "%15.10f", location.latitude); proto_tree_add_double_format_value(tree, hf_dhcp_option_rfc3825_longitude, tvb, offset+5, 5, location.longitude, "%15.10f", location.longitude); proto_tree_add_double_format_value(tree, hf_dhcp_option_rfc3825_latitude_res, tvb, offset, 1, location.latitude_res, "%15.10f", location.latitude_res); proto_tree_add_double_format_value(tree, hf_dhcp_option_rfc3825_longitude_res, tvb, offset+5, 1, location.longitude_res, "%15.10f", location.longitude_res); proto_tree_add_double_format_value(tree, hf_dhcp_option_rfc3825_altitude, tvb, offset+12, 4, location.altitude, "%15.10f", location.altitude); proto_tree_add_double_format_value(tree, hf_dhcp_option_rfc3825_altitude_res, tvb, offset+10, 2, location.altitude_res, "%15.10f", location.altitude_res); proto_tree_add_uint(tree, hf_dhcp_option_rfc3825_altitude_type, tvb, offset+10, 1, location.altitude_type); proto_tree_add_uint(tree, hf_dhcp_option_rfc3825_map_datum, tvb, offset+15, 1, location.datum_type); } } else if (length < 69) { /* CableLabs DSS_ID */ int s_len; proto_tree_add_item(tree, hf_dhcp_option_cl_dss_id_option, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(tree, hf_dhcp_option_cl_dss_id_len, tvb, offset+1, 1, ENC_BIG_ENDIAN); s_len = tvb_get_guint8(tvb, offset+1); proto_tree_add_item(tree, hf_dhcp_option_cl_dss_id, tvb, offset+2, s_len, ENC_ASCII); if (length > s_len+2) { /* Second DSS_ID*/ proto_tree_add_item(tree, hf_dhcp_option_cl_dss_id_option, tvb, offset+2+s_len, 1, ENC_BIG_ENDIAN); proto_tree_add_item(tree, hf_dhcp_option_cl_dss_id_len, tvb, offset+1+2+s_len, 1, ENC_BIG_ENDIAN); s_len = tvb_get_guint8(tvb, offset+1+2+s_len); proto_tree_add_item(tree, hf_dhcp_option_cl_dss_id, tvb, offset+2+2+s_len, s_len, ENC_ASCII); } } else { expert_add_info_format(pinfo, tree, &ei_dhcp_bad_length, "Invalid length of DHCP option!"); } return tvb_captured_length(tvb); } static int dissect_dhcpopt_vi_vendor_class(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_) { int offset = 0; int data_len; int s_end; proto_item *eti; proto_tree *e_tree; proto_tree *vcdi_tree; if (tvb_reported_length(tvb) == 1) { /* CableLab specific */ proto_tree_add_item(tree, hf_dhcp_option_vi_class_cl_address_mode, tvb, 0, 1, ENC_BIG_ENDIAN); return 1; } while (tvb_reported_length_remaining(tvb, offset) >= 5) { eti = proto_tree_add_item(tree, hf_dhcp_option_vi_class_enterprise, tvb, offset, 4, ENC_BIG_ENDIAN); e_tree = proto_item_add_subtree(eti, ett_dhcp_option); offset += 4; proto_tree_add_item(e_tree, hf_dhcp_option_vi_class_data_length, tvb, offset, 1, ENC_BIG_ENDIAN); data_len = tvb_get_guint8(tvb, offset); offset += 1; s_end = offset + data_len; if ( tvb_reported_length_remaining(tvb, s_end) < 0) { break; } while (offset < s_end) { vcdi_tree = proto_tree_add_subtree(e_tree, tvb, offset, data_len, ett_dhcp_option124_vendor_class_data_item, NULL, "Vendor Class Data Item"); data_len = tvb_get_guint8(tvb, offset); proto_tree_add_item(vcdi_tree, hf_dhcp_option_vi_class_data_item_length, tvb, offset, 1, ENC_NA); offset += 1; proto_tree_add_item(vcdi_tree, hf_dhcp_option_vi_class_data_item_data, tvb, offset, data_len, ENC_NA); /* look for next vendor-class-data-item */ offset += data_len; } /* loop for the next Enterprise number */ } if (tvb_reported_length_remaining(tvb, offset) > 0) { expert_add_info_format(pinfo, tree, &ei_dhcp_bad_length, "length < 5"); } return tvb_captured_length(tvb); } static int dissect_dhcpopt_forcerenew_nonce(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, void* data _U_) { int offset = 0; while ( tvb_reported_length_remaining(tvb, offset) > 0) { proto_tree_add_item(tree, hf_dhcp_option_forcerenew_nonce_algo, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; } return tvb_captured_length(tvb); } static int dissect_dhcpopt_rdnss(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_) { int offset = 0; const guchar *dns_name; gint dns_name_len; if (tvb_reported_length(tvb) < 10) { expert_add_info_format(pinfo, tree, &ei_dhcp_bad_length, "length must be >= 10"); return 1; } proto_tree_add_item(tree, hf_dhcp_option_rdnss_reserved, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(tree, hf_dhcp_option_rdnss_pref, tvb, offset, 1, ENC_BIG_ENDIAN); offset += 1; proto_tree_add_item(tree, hf_dhcp_option_rdnss_prim_dns_server, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; proto_tree_add_item(tree, hf_dhcp_option_rdnss_sec_dns_server, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; get_dns_name(tvb, offset, tvb_reported_length_remaining(tvb,offset), offset, (const gchar **)&dns_name, &dns_name_len); proto_tree_add_string(tree, hf_dhcp_option_rdnss_domain, tvb, offset, tvb_reported_length_remaining(tvb,offset), format_text(pinfo->pool, dns_name, dns_name_len)); return tvb_captured_length(tvb); } static int dissect_dhcpopt_dhcp_captive_portal(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, void* data _U_) { proto_item *ti_cp; ti_cp = proto_tree_add_item(tree, hf_dhcp_option_captive_portal, tvb, 0, tvb_reported_length(tvb), ENC_ASCII); proto_item_set_url(ti_cp); return tvb_captured_length(tvb); } static int dissect_dhcpopt_bulk_lease_query_start(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_) { if (tvb_reported_length(tvb) != 4) { expert_add_info_format(pinfo, tree, &ei_dhcp_bad_length, "length must be 4"); return 1; } proto_tree_add_item(tree, hf_dhcp_option_bulk_lease_query_start, tvb, 0, 4, ENC_TIME_SECS_NTP|ENC_BIG_ENDIAN); return tvb_captured_length(tvb); } static int dissect_dhcpopt_bulk_lease_query_end(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, void* data _U_) { if (tvb_reported_length(tvb) != 4) { expert_add_info_format(pinfo, tree, &ei_dhcp_bad_length, "length must be 4"); return 1; } proto_tree_add_item(tree, hf_dhcp_option_bulk_lease_query_end, tvb, 0, 4, ENC_TIME_SECS_NTP|ENC_BIG_ENDIAN); return tvb_captured_length(tvb); } static int dissect_dhcpopt_bulk_lease_base_time(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_) { if (tvb_reported_length(tvb) != 4) { expert_add_info_format(pinfo, tree, &ei_dhcp_bad_length, "length must be 4"); return 1; } proto_tree_add_item(tree, hf_dhcp_option_bulk_lease_base_time, tvb, 0, 4, ENC_TIME_SECS_NTP|ENC_BIG_ENDIAN); return tvb_captured_length(tvb); } static int dissect_dhcpopt_bulk_lease_status_code(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_) { if (tvb_reported_length(tvb) < 1) { expert_add_info_format(pinfo, tree, &ei_dhcp_bad_length, "length must >= 1"); return 1; } proto_tree_add_item(tree, hf_dhcp_option_bulk_lease_status_code, tvb, 0, 1, ENC_BIG_ENDIAN); if ( tvb_reported_length_remaining(tvb, 1) > 0) { proto_tree_add_item(tree, hf_dhcp_option_bulk_lease_status_message, tvb, 1, tvb_reported_length_remaining(tvb, 1), ENC_UTF_8); } return tvb_captured_length(tvb); } static int dissect_dhcpopt_pcp_server(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_) { proto_tree *tree_pcp; int offset = 0; guint8 list_length; guint8 ip_list_length; proto_item *ti_pcp; if (tvb_reported_length(tvb) < 5) { expert_add_info_format(pinfo, tree, &ei_dhcp_bad_length, "length must >= 5"); return 1; } while (tvb_reported_length_remaining(tvb, offset) >= 5) { ip_list_length = 0; list_length = tvb_get_guint8(tvb, offset); tree_pcp = proto_tree_add_subtree(tree, tvb, offset, list_length, ett_dhcp_option158_pcp_list, &ti_pcp, "PCP server list"); proto_tree_add_item(tree_pcp, hf_dhcp_option_pcp_list_length, tvb, offset, 1, ENC_NA); offset += 1; ip_list_length += 1; while (((list_length - 1)%4 == 0) && (ip_list_length < list_length) && tvb_reported_length_remaining(tvb,offset) >= 4) { proto_tree_add_item(tree_pcp, hf_dhcp_option_pcp_server, tvb, offset, 4, ENC_NA); offset += 4; ip_list_length += 4; } } return tvb_captured_length(tvb); } static int dissect_dhcpopt_portparams(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_) { if (tvb_reported_length(tvb) != 4) { expert_add_info_format(pinfo, tree, &ei_dhcp_bad_length, "length must be 4"); return 1; } proto_tree_add_item(tree, hf_dhcp_option_portparams_offset, tvb, 0, 1, ENC_NA); proto_tree_add_item(tree, hf_dhcp_option_portparams_psid_length, tvb, 1, 1, ENC_NA); proto_tree_add_item(tree, hf_dhcp_option_portparams_psid, tvb, 2, 2, ENC_NA); return tvb_captured_length(tvb); } static int dissect_dhcpopt_6RD_option(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_) { int offset = 0; if (tvb_reported_length(tvb) < 22) { expert_add_info(pinfo, tree, &ei_dhcp_option_6RD_malformed); return 1; } proto_tree_add_item(tree, hf_dhcp_option_6RD_ipv4_mask_len, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(tree, hf_dhcp_option_6RD_prefix_len, tvb, offset+1, 1, ENC_BIG_ENDIAN); proto_tree_add_item(tree, hf_dhcp_option_6RD_prefix, tvb, offset+2, 16, ENC_NA); proto_tree_add_item(tree, hf_dhcp_option_6RD_border_relay_ip, tvb, offset+18, 4, ENC_BIG_ENDIAN); /* More Border Relay IPv4 addresses included */ if (tvb_reported_length(tvb) > 22) { offset += 22; while (tvb_reported_length_remaining(tvb, offset) >= 4) { proto_tree_add_item(tree, hf_dhcp_option_6RD_border_relay_ip, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; } if (tvb_reported_length_remaining(tvb, offset) > 0) { expert_add_info_format(pinfo, tree, &ei_dhcp_bad_length, "Option length isn't a multiple of 4"); } } return tvb_captured_length(tvb); } static int dissect_dhcpopt_avaya_ip_telephone(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_) { int offset = 0; proto_tree *o242avaya_v_tree; proto_item *avaya_ti; const gchar *avaya_option = NULL; wmem_strbuf_t *avaya_param_buf = NULL; /* minimum length is 5 bytes */ if (tvb_reported_length(tvb) < 5) { expert_add_info_format(pinfo, tree, &ei_dhcp_bad_length, "Avaya IP Telephone option length isn't >= 5"); return 1; } avaya_ti = proto_tree_add_item_ret_string(tree, hf_dhcp_option242_avaya, tvb, offset, tvb_reported_length(tvb), ENC_ASCII|ENC_NA, pinfo->pool, (const guint8 **)&avaya_option); o242avaya_v_tree = proto_item_add_subtree(avaya_ti, ett_dhcp_option242_suboption); avaya_param_buf = wmem_strbuf_new(pinfo->pool, ""); gchar **fields = wmem_strsplit(pinfo->pool, avaya_option, ",", -1); for (int i = 0; fields[i]; i++) { const gchar *field = fields[i]; if (!strchr(field, '=')) { if (wmem_strbuf_get_len(avaya_param_buf) == 0) { expert_add_info_format(pinfo, avaya_ti, &hf_dhcp_subopt_unknown_type, "ERROR, Unknown parameter %s", field); offset += (int)strlen(field); break; } wmem_strbuf_append_printf(avaya_param_buf,",%s", field); } else { if (wmem_strbuf_get_len(avaya_param_buf) > 0) { dissect_vendor_avaya_param(o242avaya_v_tree, pinfo, avaya_ti, tvb, offset, avaya_param_buf); offset += (int)wmem_strbuf_get_len(avaya_param_buf) + 1; wmem_strbuf_truncate(avaya_param_buf, 0); } wmem_strbuf_append(avaya_param_buf, field); } } if (wmem_strbuf_get_len(avaya_param_buf) > 0) { dissect_vendor_avaya_param(o242avaya_v_tree, pinfo, avaya_ti, tvb, offset, avaya_param_buf); } return tvb_captured_length(tvb); } static const value_string option82_suboption_vals[] = { { 0, "Padding" }, { 1, "Agent Circuit ID" }, { 2, "Agent Remote ID" }, { 3, "Reserved" }, { 4, "DOCSIS Device Class" }, { 5, "Link selection" }, { 6, "Subscriber ID" }, { 7, "RADIUS Attributes" }, { 8, "Authentication" }, { 9, "Vendor-Specific Information" }, { 10, "Flags" }, { 11, "Server ID Override" }, { 12, "Relay Agent Identifier" }, { 13, "Access Technology Type" }, { 14, "Access Network Name" }, { 15, "Access Point Name" }, { 16, "Access Point BSSID" }, { 17, "Access Network Operator ID" }, { 18, "Access Network Operator Realm" }, { 19, "Source Port" }, { 150, "Link selection (Cisco proprietary)" }, { 151, "VRF name/VPN ID" }, { 152, "Server ID Override (Cisco proprietary)" }, { 0, NULL } }; #define CL_AI_OPTION_DOCSIS_VERSION 1 /* 82:9:4491:1 */ #define CL_AI_OPTION_DPOE_SYSTEM_VERSION 2 /* 82:9:4491:2 */ #define CL_AI_OPTION_DPOE_SYSTEM_DHCPV4_PBB_SERVICE 4 /* 82:9:4491:4 */ #define CL_AI_OPTION_CMTS_CM_SERVICE_CLASS 5 /* 82:9:4491:5 */ #define CL_AI_OPTION_CMTS_MSO_DEFINED_TEXT 6 /* 82:9:4491:6 */ #define CL_AI_OPTION_SECURE_FILE_TRANSFER_URI 7 /* 82:9:4491:7 */ static int dhcp_dhcp_decode_agent_info(packet_info *pinfo, proto_item *v_ti, proto_tree *v_tree, tvbuff_t *tvb, int optoff, int optend) { int suboptoff = optoff; guint8 subopt, idx, vs_opt, vs_len; int subopt_len, subopt_end, datalen; guint32 enterprise; proto_item *vti, *ti; proto_tree *o82_v_tree, *o82_sub_tree; int clsuboptoff, clsubopt_end; struct basic_types_hfs default_hfs = { &hf_dhcp_option82_value, &hf_dhcp_option82_value_ip_address, &hf_dhcp_option82_value_ip_address, &hf_dhcp_option82_value_stringz, NULL, &hf_dhcp_option82_value_8, &hf_dhcp_option82_value_16, NULL, &hf_dhcp_option82_value_32, NULL, NULL }; struct opt82_info { int id; struct opt_info info; }; static struct opt82_info o82_opt[]= { {0, {"nop", bytes, &hf_dhcp_option82_padding}}, /* dummy */ {1, {"Agent Circuit ID", bytes, &hf_dhcp_option82_agent_circuit_id}}, /* [RFC3046] */ {2, {"Agent Remote ID", bytes, &hf_dhcp_option82_agent_remote_id}}, /* [RFC3046] */ {3, {"Reserved", bytes, &hf_dhcp_option82_reserved}}, {4, {"DOCSIS Device Class", val_u_long, &hf_dhcp_option82_docsis_device_class}}, /* [RFC3256] */ {5, {"Link selection", ipv4, &hf_dhcp_option82_link_selection}}, /* [RFC3527] */ {6, {"Subscriber ID", string, &hf_dhcp_option82_subscriber_id}}, /* [RFC3993] */ /***** CHECK STRING TYPE */ {7, {"RADIUS Attributes", bytes, &hf_dhcp_option82_radius_attributes}}, /* [RFC4014] */ {8, {"Authentication", bytes, &hf_dhcp_option82_authentication}}, /* [RFC4030] */ {9, {"Vendor-Specific Information", special, &hf_dhcp_option82_vi}}, /* [RFC 4243] */ {10, {"Flags", val_u_byte, &hf_dhcp_option82_flags}}, /* [RFC5010] */ {11, {"Server ID Override", ipv4, &hf_dhcp_option82_server_id_override}}, /* [RFC 5107] */ {12, {"Relay Agent Identifier", bytes, &hf_dhcp_option82_relay_agent_id}}, /* [RFC 6925] */ {13, {"Access Technology Type", bytes, &hf_dhcp_option82_option_ani_att}}, /* [RFC7839] */ {14, {"Access Network Name", string, &hf_dhcp_option82_option_ani_network_name}}, /* [RFC7839] */ {15, {"Access Point Name", string, &hf_dhcp_option82_option_ani_ap_name}}, /* [RFC7839] */ {16, {"Access Point BSSID", special, &hf_dhcp_option82_option_ani_ap_bssid}}, /* [RFC7839] */ {17, {"Access Network Operator ID", bytes, &hf_dhcp_option82_option_ani_operator_id}}, /* [RFC7839] */ {18, {"Access Network Operator Realm", string, &hf_dhcp_option82_option_ani_operator_realm}}, /* [RFC7839] */ {19, {"Source Port", presence, &hf_dhcp_option82_option_source_port}}, /* [RFC8357] */ {150, {"Link selection (Cisco proprietary)", ipv4, &hf_dhcp_option82_link_selection_cisco}}, /* [RFC3527] */ {151, {"VRF name/VPN ID", special, &hf_dhcp_option82_vrf_name_vpn_id}}, /* [RFC2685] */ {152, {"Server ID Override (Cisco proprietary)", ipv4, &hf_dhcp_option82_server_id_override_cisco}} /* [RFC 5107] */ }; subopt = tvb_get_guint8(tvb, optoff); suboptoff++; if (suboptoff >= optend) { expert_add_info_format(pinfo, v_ti, &ei_dhcp_missing_subopt_length, "Suboption %d: no room left in option for suboption length", subopt); return (optend); } subopt_len = tvb_get_guint8(tvb, suboptoff); vti = proto_tree_add_uint_format_value(v_tree, hf_dhcp_option82_suboption, tvb, optoff, subopt_len+2, subopt, "(%d) %s", subopt, val_to_str_const(subopt, option82_suboption_vals, "Unknown")); o82_v_tree = proto_item_add_subtree(vti, ett_dhcp_option82_suboption); proto_tree_add_item(o82_v_tree, hf_dhcp_suboption_length, tvb, suboptoff, 1, ENC_BIG_ENDIAN); suboptoff++; subopt_end = suboptoff+subopt_len; if (subopt_end > optend) { expert_add_info_format(pinfo, vti, &ei_dhcp_missing_subopt_value, "Suboption %d: no room left in option for suboption value", subopt); return (optend); } for (idx = 0; idx < array_length(o82_opt); idx++) { if (o82_opt[idx].id == subopt) { break; } } ti = proto_tree_add_item(o82_v_tree, hf_dhcp_option82_value, tvb, suboptoff, subopt_len, ENC_NA); if ( (idx >= 1 ) && (idx < array_length(o82_opt)) ) { proto_item_set_hidden(ti); if (o82_opt[idx].info.ftype == special) { switch(subopt) { case 9: while (suboptoff < subopt_end) { enterprise = tvb_get_ntohl(tvb, suboptoff); vti = proto_tree_add_item(o82_v_tree, hf_dhcp_option82_vi_enterprise, tvb, suboptoff, 4, ENC_BIG_ENDIAN); suboptoff += 4; o82_sub_tree = proto_item_add_subtree(vti, ett_dhcp_option82_suboption9); datalen = tvb_get_guint8(tvb, suboptoff); proto_tree_add_item(o82_sub_tree, hf_dhcp_option82_vi_data_length, tvb, suboptoff, 1, ENC_BIG_ENDIAN); suboptoff++; switch (enterprise) { case VENDOR_CABLELABS: /* CableLab */ clsuboptoff = suboptoff; clsubopt_end = clsuboptoff + datalen; while (clsuboptoff < clsubopt_end) { vs_opt = tvb_get_guint8(tvb, clsuboptoff); vs_len = tvb_get_guint8(tvb, clsuboptoff+1); clsuboptoff += 2; switch (vs_opt) { case CL_AI_OPTION_DOCSIS_VERSION: proto_tree_add_uint_format_value(o82_sub_tree, hf_dhcp_option82_vi_cl_docsis_version, tvb, clsuboptoff, 2, 0, "%d.%d", tvb_get_guint8(tvb, clsuboptoff), tvb_get_guint8(tvb, clsuboptoff+1)); clsuboptoff+=2; break; case CL_AI_OPTION_DPOE_SYSTEM_VERSION: proto_tree_add_uint_format_value(o82_sub_tree, hf_dhcp_option82_vi_cl_dpoe_system_version, tvb, clsuboptoff, 2, 0, "%d.%d", tvb_get_guint8(tvb, clsuboptoff), tvb_get_guint8(tvb, clsuboptoff+1)); clsuboptoff+=2; break; case CL_AI_OPTION_DPOE_SYSTEM_DHCPV4_PBB_SERVICE: proto_tree_add_item(o82_sub_tree, hf_dhcp_option82_vi_cl_dpoe_system_pbb_service, tvb, clsuboptoff, vs_len, ENC_NA); break; case CL_AI_OPTION_CMTS_CM_SERVICE_CLASS: proto_tree_add_item(o82_sub_tree, hf_dhcp_option82_vi_cl_service_class_name, tvb, clsuboptoff, vs_len, ENC_ASCII); clsuboptoff += vs_len; break; case CL_AI_OPTION_CMTS_MSO_DEFINED_TEXT: proto_tree_add_item(o82_sub_tree, hf_dhcp_option82_vi_cl_mso_defined_text, tvb, clsuboptoff, vs_len, ENC_ASCII); clsuboptoff += vs_len; break; case CL_AI_OPTION_SECURE_FILE_TRANSFER_URI: proto_tree_add_item(o82_sub_tree, hf_dhcp_option82_vi_cl_secure_file_transfer_uri, tvb, clsuboptoff, vs_len, ENC_ASCII); clsuboptoff += vs_len; break; default: expert_add_info_format(pinfo, vti, &ei_dhcp_option82_vi_cl_tag_unknown, "Unknown tag %d (%d bytes)", vs_opt, vs_len); clsuboptoff += vs_len; break; } } suboptoff = clsuboptoff; break; default: proto_tree_add_item(o82_v_tree, hf_dhcp_option82_value, tvb, suboptoff, datalen, ENC_NA); suboptoff += datalen; break; } } break; case 13: /* Access Technology Type */ if (subopt_len != 2) { expert_add_info_format(pinfo, vti, &ei_dhcp_bad_length, "length isn't 2"); break; } proto_tree_add_item(o82_v_tree, hf_dhcp_option82_option_ani_att_res, tvb, suboptoff, 1, ENC_NA); proto_tree_add_item(o82_v_tree, hf_dhcp_option82_option_ani_att_att, tvb, suboptoff+1, 1, ENC_NA); break; break; case 151: if (subopt_len == 1) { proto_tree_add_item(o82_v_tree, hf_dhcp_option82_vrf_name_global, tvb, suboptoff, 1, ENC_NA); } else if (subopt_len != 7) { proto_tree_add_item(o82_v_tree, hf_dhcp_option82_vrf_name, tvb, suboptoff, subopt_len, ENC_ASCII); } else { proto_tree_add_item(o82_v_tree, hf_dhcp_option82_vrf_name_vpn_id_oui, tvb, suboptoff, 3, ENC_BIG_ENDIAN); proto_tree_add_item(o82_v_tree, hf_dhcp_option82_vrf_name_vpn_id_index, tvb, suboptoff+3, 4, ENC_BIG_ENDIAN); } break; default: if (o82_opt[idx].info.phf != NULL) proto_tree_add_item(o82_v_tree, *o82_opt[idx].info.phf, tvb, suboptoff, subopt_len, ENC_BIG_ENDIAN); else proto_tree_add_item(o82_v_tree, hf_dhcp_option82_value, tvb, suboptoff, subopt_len, ENC_NA); break; } } else { dhcp_handle_basic_types(pinfo, o82_v_tree, vti, tvb, o82_opt[idx].info.ftype, suboptoff, subopt_len, o82_opt[idx].info.phf, &default_hfs); } } optoff += (subopt_len + 2); return optoff; } static int dissect_dhcpopt_relay_agent_info(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_) { int offset = 0; while (tvb_reported_length_remaining(tvb, offset) > 0) { offset = dhcp_dhcp_decode_agent_info(pinfo, tree, tree, tvb, offset, tvb_reported_length(tvb)); } return tvb_captured_length(tvb); } # define O43PXE_DISCOVERY 6 # define O43PXE_BOOT_SERVER 8 # define O43PXE_BOOT_MENU 9 # define O43PXE_MENU_PROMPT 10 # define O43PXE_BOOT_ITEM 71 static const value_string option43_pxeclient_suboption_vals[] = { { 0, "Padding" }, { 1, "PXE mtftp IP" }, { 2, "PXE mtftp client port" }, { 3, "PXE mtftp server port" }, { 4, "PXE mtftp timeout" }, { 5, "PXE mtftp delay" }, { O43PXE_DISCOVERY, "PXE discovery control" }, { 7, "PXE multicast address" }, { O43PXE_BOOT_SERVER, "PXE boot servers" }, { O43PXE_BOOT_MENU, "PXE boot menu" }, { O43PXE_MENU_PROMPT, "PXE menu prompt" }, { 11, "PXE multicast address alloc", }, { 12, "PXE credential types" }, { O43PXE_BOOT_ITEM, "PXE boot item" }, { 179, "PXE LCM Server" }, { 180, "PXE LCM Domain" }, { 181, "PXE LCM NIC option 0" }, { 190, "PXE LCM Workgroup" }, { 191, "PXE Discovery" }, { 192, "PXE Configured" }, { 193, "PXE LCM version" }, { 194, "PXE LCM Serial Number" }, { 255, "PXE End" }, { 0, NULL} }; static int dissect_vendor_pxeclient_suboption(packet_info *pinfo, proto_item *v_ti, proto_tree *v_tree, tvbuff_t *tvb, int optoff, int optend) { int suboptoff = optoff; int suboptoff_start; guint8 subopt; guint8 subopt_len; proto_tree *o43pxeclient_v_tree, *o43pxeclient_suboption_tree; proto_item *vti, *ti; guint32 boot_server_ip_count; guint32 boot_menu_length; struct basic_types_hfs default_hfs = { NULL, &hf_dhcp_option43_value_ip_address, &hf_dhcp_option43_value_ip_address, NULL, NULL, &hf_dhcp_option43_value_8, NULL, NULL, NULL, NULL, NULL }; static int * const o43pxe_discovery_hf_flags[] = { &hf_dhcp_option43_pxeclient_discovery_control_bc, &hf_dhcp_option43_pxeclient_discovery_control_mc, &hf_dhcp_option43_pxeclient_discovery_control_serverlist, &hf_dhcp_option43_pxeclient_discovery_control_bstrap, NULL }; static struct opt_info o43pxeclient_opt[]= { /* 0 */ {"nop", special, &hf_dhcp_option43_pxeclient_padding}, /* dummy */ /* 1 */ {"PXE mtftp IP", ipv4_list, &hf_dhcp_option43_pxeclient_mtftp_ip}, /* 2 */ {"PXE mtftp client port", val_u_le_short, &hf_dhcp_option43_pxeclient_mtftp_client_port}, /* 3 */ {"PXE mtftp server port",val_u_le_short, &hf_dhcp_option43_pxeclient_mtftp_server_port}, /* 4 */ {"PXE mtftp timeout", val_u_byte, &hf_dhcp_option43_pxeclient_mtftp_timeout}, /* 5 */ {"PXE mtftp delay", val_u_byte, &hf_dhcp_option43_pxeclient_mtftp_delay}, /* 6 */ {"PXE discovery control", special, NULL}, /* 7 */ {"PXE multicast address", ipv4_list, &hf_dhcp_option43_pxeclient_multicast_address}, /* 8 */ {"PXE boot servers", special, NULL}, /* 9 */ {"PXE boot menu", special, NULL}, /* 10 */ {"PXE menu prompt", special, NULL}, /* 11 */ {"PXE multicast address alloc", special, &hf_dhcp_option43_pxeclient_multicast_address_alloc}, /* 12 */ {"PXE credential types", special, &hf_dhcp_option43_pxeclient_credential_types}, /* 13 */ {"Unassigned", opaque, NULL}, /* 14 */ {"Unassigned", opaque, NULL}, /* 15 */ {"Unassigned", opaque, NULL}, /* 16 */ {"Unassigned", opaque, NULL}, /* 17 */ {"Unassigned", opaque, NULL}, /* 18 */ {"Unassigned", opaque, NULL}, /* 19 */ {"Unassigned", opaque, NULL}, /* 20 */ {"Unassigned", opaque, NULL}, /* 21 */ {"Unassigned", opaque, NULL}, /* 22 */ {"Unassigned", opaque, NULL}, /* 23 */ {"Unassigned", opaque, NULL}, /* 24 */ {"Unassigned", opaque, NULL}, /* 25 */ {"Unassigned", opaque, NULL}, /* 26 */ {"Unassigned", opaque, NULL}, /* 27 */ {"Unassigned", opaque, NULL}, /* 28 */ {"Unassigned", opaque, NULL}, /* 29 */ {"Unassigned", opaque, NULL}, /* 30 */ {"Unassigned", opaque, NULL}, /* 31 */ {"Unassigned", opaque, NULL}, /* 32 */ {"Unassigned", opaque, NULL}, /* 33 */ {"Unassigned", opaque, NULL}, /* 34 */ {"Unassigned", opaque, NULL}, /* 35 */ {"Unassigned", opaque, NULL}, /* 36 */ {"Unassigned", opaque, NULL}, /* 37 */ {"Unassigned", opaque, NULL}, /* 38 */ {"Unassigned", opaque, NULL}, /* 39 */ {"Unassigned", opaque, NULL}, /* 40 */ {"Unassigned", opaque, NULL}, /* 41 */ {"Unassigned", opaque, NULL}, /* 42 */ {"Unassigned", opaque, NULL}, /* 43 */ {"Unassigned", opaque, NULL}, /* 44 */ {"Unassigned", opaque, NULL}, /* 45 */ {"Unassigned", opaque, NULL}, /* 46 */ {"Unassigned", opaque, NULL}, /* 47 */ {"Unassigned", opaque, NULL}, /* 48 */ {"Unassigned", opaque, NULL}, /* 49 */ {"Unassigned", opaque, NULL}, /* 50 */ {"Unassigned", opaque, NULL}, /* 51 */ {"Unassigned", opaque, NULL}, /* 52 */ {"Unassigned", opaque, NULL}, /* 53 */ {"Unassigned", opaque, NULL}, /* 54 */ {"Unassigned", opaque, NULL}, /* 55 */ {"Unassigned", opaque, NULL}, /* 56 */ {"Unassigned", opaque, NULL}, /* 57 */ {"Unassigned", opaque, NULL}, /* 58 */ {"Unassigned", opaque, NULL}, /* 59 */ {"Unassigned", opaque, NULL}, /* 60 */ {"Unassigned", opaque, NULL}, /* 61 */ {"Unassigned", opaque, NULL}, /* 62 */ {"Unassigned", opaque, NULL}, /* 63 */ {"Unassigned", opaque, NULL}, /* 64 */ {"Unassigned", opaque, NULL}, /* 65 */ {"Unassigned", opaque, NULL}, /* 66 */ {"Unassigned", opaque, NULL}, /* 67 */ {"Unassigned", opaque, NULL}, /* 68 */ {"Unassigned", opaque, NULL}, /* 69 */ {"Unassigned", opaque, NULL}, /* 70 */ {"Unassigned", opaque, NULL}, /* 71 */ {"PXE boot item", special, NULL}, /* 72 */ {"Unassigned", opaque, NULL}, /* 73 */ {"Unassigned", opaque, NULL}, /* 74 */ {"Unassigned", opaque, NULL}, /* 75 */ {"Unassigned", opaque, NULL}, /* 76 */ {"Unassigned", opaque, NULL}, /* 77 */ {"Unassigned", opaque, NULL}, /* 78 */ {"Unassigned", opaque, NULL}, /* 79 */ {"Unassigned", opaque, NULL}, /* 80 */ {"Unassigned", opaque, NULL}, /* 81 */ {"Unassigned", opaque, NULL}, /* 82 */ {"Unassigned", opaque, NULL}, /* 83 */ {"Unassigned", opaque, NULL}, /* 84 */ {"Unassigned", opaque, NULL}, /* 85 */ {"Unassigned", opaque, NULL}, /* 86 */ {"Unassigned", opaque, NULL}, /* 87 */ {"Unassigned", opaque, NULL}, /* 88 */ {"Unassigned", opaque, NULL}, /* 89 */ {"Unassigned", opaque, NULL}, /* 90 */ {"Unassigned", opaque, NULL}, /* 91 */ {"Unassigned", opaque, NULL}, /* 92 */ {"Unassigned", opaque, NULL}, /* 93 */ {"Unassigned", opaque, NULL}, /* 94 */ {"Unassigned", opaque, NULL}, /* 95 */ {"Unassigned", opaque, NULL}, /* 96 */ {"Unassigned", opaque, NULL}, /* 97 */ {"Unassigned", opaque, NULL}, /* 98 */ {"Unassigned", opaque, NULL}, /* 99 */ {"Unassigned", opaque, NULL}, /* 100 */ {"Unassigned", opaque, NULL}, /* 101 */ {"Unassigned", opaque, NULL}, /* 102 */ {"Unassigned", opaque, NULL}, /* 103 */ {"Unassigned", opaque, NULL}, /* 104 */ {"Unassigned", opaque, NULL}, /* 105 */ {"Unassigned", opaque, NULL}, /* 106 */ {"Unassigned", opaque, NULL}, /* 107 */ {"Unassigned", opaque, NULL}, /* 108 */ {"Unassigned", opaque, NULL}, /* 109 */ {"Unassigned", opaque, NULL}, /* 110 */ {"Unassigned", opaque, NULL}, /* 111 */ {"Unassigned", opaque, NULL}, /* 112 */ {"Unassigned", opaque, NULL}, /* 113 */ {"Unassigned", opaque, NULL}, /* 114 */ {"Unassigned", opaque, NULL}, /* 115 */ {"Unassigned", opaque, NULL}, /* 116 */ {"Unassigned", opaque, NULL}, /* 117 */ {"Unassigned", opaque, NULL}, /* 118 */ {"Unassigned", opaque, NULL}, /* 119 */ {"Unassigned", opaque, NULL}, /* 120 */ {"Unassigned", opaque, NULL}, /* 121 */ {"Unassigned", opaque, NULL}, /* 122 */ {"Unassigned", opaque, NULL}, /* 123 */ {"Unassigned", opaque, NULL}, /* 124 */ {"Unassigned", opaque, NULL}, /* 125 */ {"Unassigned", opaque, NULL}, /* 126 */ {"Unassigned", opaque, NULL}, /* 127 */ {"Unassigned", opaque, NULL}, /* 128 */ {"Unassigned", opaque, NULL}, /* 129 */ {"Unassigned", opaque, NULL}, /* 130 */ {"Unassigned", opaque, NULL}, /* 131 */ {"Unassigned", opaque, NULL}, /* 132 */ {"Unassigned", opaque, NULL}, /* 133 */ {"Unassigned", opaque, NULL}, /* 134 */ {"Unassigned", opaque, NULL}, /* 135 */ {"Unassigned", opaque, NULL}, /* 136 */ {"Unassigned", opaque, NULL}, /* 137 */ {"Unassigned", opaque, NULL}, /* 138 */ {"Unassigned", opaque, NULL}, /* 139 */ {"Unassigned", opaque, NULL}, /* 140 */ {"Unassigned", opaque, NULL}, /* 141 */ {"Unassigned", opaque, NULL}, /* 142 */ {"Unassigned", opaque, NULL}, /* 143 */ {"Unassigned", opaque, NULL}, /* 144 */ {"Unassigned", opaque, NULL}, /* 145 */ {"Unassigned", opaque, NULL}, /* 146 */ {"Unassigned", opaque, NULL}, /* 147 */ {"Unassigned", opaque, NULL}, /* 148 */ {"Unassigned", opaque, NULL}, /* 149 */ {"Unassigned", opaque, NULL}, /* 150 */ {"Unassigned", opaque, NULL}, /* 151 */ {"Unassigned", opaque, NULL}, /* 152 */ {"Unassigned", opaque, NULL}, /* 153 */ {"Unassigned", opaque, NULL}, /* 154 */ {"Unassigned", opaque, NULL}, /* 155 */ {"Unassigned", opaque, NULL}, /* 156 */ {"Unassigned", opaque, NULL}, /* 157 */ {"Unassigned", opaque, NULL}, /* 158 */ {"Unassigned", opaque, NULL}, /* 159 */ {"Unassigned", opaque, NULL}, /* 160 */ {"Unassigned", opaque, NULL}, /* 161 */ {"Unassigned", opaque, NULL}, /* 162 */ {"Unassigned", opaque, NULL}, /* 163 */ {"Unassigned", opaque, NULL}, /* 164 */ {"Unassigned", opaque, NULL}, /* 165 */ {"Unassigned", opaque, NULL}, /* 166 */ {"Unassigned", opaque, NULL}, /* 167 */ {"Unassigned", opaque, NULL}, /* 168 */ {"Unassigned", opaque, NULL}, /* 169 */ {"Unassigned", opaque, NULL}, /* 170 */ {"Unassigned", opaque, NULL}, /* 171 */ {"Unassigned", opaque, NULL}, /* 172 */ {"Unassigned", opaque, NULL}, /* 173 */ {"Unassigned", opaque, NULL}, /* 174 */ {"Unassigned", opaque, NULL}, /* 175 */ {"Unassigned", opaque, NULL}, /* 176 */ {"Unassigned", opaque, NULL}, /* 177 */ {"Unassigned", opaque, NULL}, /* 178 */ {"Unassigned", opaque, NULL}, /* 179 */ {"LCM Server", string, &hf_dhcp_option43_pxeclient_lcm_server}, /* 180 */ {"LCM Domain", string, &hf_dhcp_option43_pxeclient_lcm_domain}, /* 181 */ {"LCM NIC Option 0", bytes, &hf_dhcp_option43_pxeclient_lcm_nic_option}, /* 182 */ {"Unassigned", opaque, NULL}, /* 183 */ {"Unassigned", opaque, NULL}, /* 184 */ {"Unassigned", opaque, NULL}, /* 185 */ {"Unassigned", opaque, NULL}, /* 186 */ {"Unassigned", opaque, NULL}, /* 187 */ {"Unassigned", opaque, NULL}, /* 188 */ {"Unassigned", opaque, NULL}, /* 189 */ {"Unassigned", opaque, NULL}, /* 190 */ {"LCM Workgroup", string, &hf_dhcp_option43_pxeclient_lcm_workgroup}, /* 191 */ {"Discovery", val_boolean, &hf_dhcp_option43_pxeclient_discovery}, /* 192 */ {"Configured", val_boolean, &hf_dhcp_option43_pxeclient_configured}, /* 193 */ {"LCM Version", val_u_long, &hf_dhcp_option43_pxeclient_lcm_version}, /* 194 */ {"LCM Serial Number", string, &hf_dhcp_option43_pxeclient_lcm_serial}, /* 255 {"PXE end options", special, &hf_dhcp_option43_pxeclient_end} */ }; subopt = tvb_get_guint8(tvb, optoff); suboptoff++; if (subopt == 0) { proto_tree_add_item(v_tree, hf_dhcp_option43_pxeclient_padding, tvb, optoff, 1, ENC_BIG_ENDIAN); return (suboptoff); } else if (subopt == 255) { /* End Option */ proto_tree_add_item(v_tree, hf_dhcp_option43_pxeclient_end, tvb, optoff, 1, ENC_BIG_ENDIAN); /* Make sure we skip any junk left this option */ return (optend); } if (suboptoff >= optend) { expert_add_info_format(pinfo, v_ti, &ei_dhcp_missing_subopt_length, "Suboption %d: no room left in option for suboption length", subopt); return (optend); } subopt_len = tvb_get_guint8(tvb, suboptoff); vti = proto_tree_add_uint_format_value(v_tree, hf_dhcp_option43_pxeclient_suboption, tvb, optoff, subopt_len+2, subopt, "(%d) %s", subopt, val_to_str_const(subopt, option43_pxeclient_suboption_vals, "Unknown")); o43pxeclient_v_tree = proto_item_add_subtree(vti, ett_dhcp_option43_suboption); proto_tree_add_item(o43pxeclient_v_tree, hf_dhcp_suboption_length, tvb, suboptoff, 1, ENC_BIG_ENDIAN); suboptoff++; ti = proto_tree_add_item(o43pxeclient_v_tree, hf_dhcp_option43_value, tvb, suboptoff, subopt_len, ENC_NA); proto_item_set_hidden(ti); if ((subopt < 1) || (subopt >= array_length(o43pxeclient_opt))) { expert_add_info_format(pinfo, vti, &ei_dhcp_suboption_invalid, "Unknown suboption %d (%d bytes)", subopt, subopt_len); } else if (o43pxeclient_opt[subopt].ftype == special) { /* I may need to decode that properly one day */ if (o43pxeclient_opt[subopt].phf != NULL) proto_tree_add_item(o43pxeclient_v_tree, *o43pxeclient_opt[subopt].phf, tvb, suboptoff, subopt_len, ENC_BIG_ENDIAN); else { switch(subopt) { case O43PXE_DISCOVERY: proto_tree_add_bitmask(o43pxeclient_v_tree, tvb, suboptoff, hf_dhcp_option43_pxeclient_discovery_control, ett_dhcp_option43_suboption_discovery, o43pxe_discovery_hf_flags, ENC_BIG_ENDIAN); break; case O43PXE_BOOT_SERVER: suboptoff_start = suboptoff; ti = proto_tree_add_item(o43pxeclient_v_tree, hf_dhcp_option43_pxeclient_boot_servers, tvb, suboptoff, subopt_len, ENC_NA); o43pxeclient_suboption_tree = proto_item_add_subtree(ti, ett_dhcp_option43_suboption_tree); while((suboptoff - suboptoff_start) < (subopt_len - 1)) { proto_tree_add_item(o43pxeclient_suboption_tree, hf_dhcp_option43_pxeclient_boot_server_type, tvb, suboptoff, 2, ENC_BIG_ENDIAN); suboptoff += 2; proto_tree_add_item_ret_uint(o43pxeclient_suboption_tree, hf_dhcp_option43_pxeclient_boot_server_count, tvb, suboptoff, 1, ENC_BIG_ENDIAN, &boot_server_ip_count); suboptoff += 1; while(boot_server_ip_count > 0) { proto_tree_add_item(o43pxeclient_suboption_tree, hf_dhcp_option43_pxeclient_boot_server_ip, tvb, suboptoff, 4, ENC_BIG_ENDIAN); suboptoff += 4; boot_server_ip_count -=1; } } break; case O43PXE_BOOT_MENU: suboptoff_start = suboptoff; ti = proto_tree_add_item(o43pxeclient_v_tree, hf_dhcp_option43_pxeclient_boot_menu, tvb, suboptoff, subopt_len, ENC_NA); o43pxeclient_suboption_tree = proto_item_add_subtree(ti, ett_dhcp_option43_suboption_tree); while((suboptoff - suboptoff_start) < (subopt_len - 1)) { proto_tree_add_item(o43pxeclient_suboption_tree, hf_dhcp_option43_pxeclient_boot_menu_type, tvb, suboptoff, 2, ENC_BIG_ENDIAN); suboptoff += 2; proto_tree_add_item_ret_uint(o43pxeclient_suboption_tree, hf_dhcp_option43_pxeclient_boot_menu_length, tvb, suboptoff, 1, ENC_BIG_ENDIAN, &boot_menu_length); suboptoff += 1; proto_tree_add_item(o43pxeclient_suboption_tree, hf_dhcp_option43_pxeclient_boot_menu_desc, tvb, suboptoff, boot_menu_length, ENC_ASCII); suboptoff += boot_menu_length; } break; case O43PXE_MENU_PROMPT: ti = proto_tree_add_item(o43pxeclient_v_tree, hf_dhcp_option43_pxeclient_menu_prompt, tvb, suboptoff, subopt_len, ENC_NA); o43pxeclient_suboption_tree = proto_item_add_subtree(ti, ett_dhcp_option43_suboption_tree); proto_tree_add_item(o43pxeclient_suboption_tree, hf_dhcp_option43_pxeclient_menu_prompt_timeout, tvb, suboptoff, 1, ENC_BIG_ENDIAN); suboptoff += 1; proto_tree_add_item(o43pxeclient_suboption_tree, hf_dhcp_option43_pxeclient_menu_prompt_prompt, tvb, suboptoff, subopt_len - 1, ENC_ASCII); break; case O43PXE_BOOT_ITEM: ti = proto_tree_add_item(o43pxeclient_v_tree, hf_dhcp_option43_pxeclient_boot_item, tvb, suboptoff, subopt_len, ENC_NA); o43pxeclient_suboption_tree = proto_item_add_subtree(ti, ett_dhcp_option43_suboption_tree); proto_tree_add_item(o43pxeclient_suboption_tree, hf_dhcp_option43_pxeclient_boot_item_type, tvb, suboptoff, 2, ENC_BIG_ENDIAN); suboptoff += 2; proto_tree_add_item(o43pxeclient_suboption_tree, hf_dhcp_option43_pxeclient_boot_item_layer, tvb, suboptoff, 2, ENC_NA); break; default: proto_tree_add_item(o43pxeclient_v_tree, hf_dhcp_option43_value, tvb, suboptoff, subopt_len, ENC_NA); break; } } } else { if (dhcp_handle_basic_types(pinfo, o43pxeclient_v_tree, vti, tvb, o43pxeclient_opt[subopt].ftype, suboptoff, subopt_len, o43pxeclient_opt[subopt].phf, &default_hfs) == 0) { expert_add_info_format(pinfo, vti, &hf_dhcp_subopt_unknown_type, "ERROR, please report: Unknown subopt type handler %d", subopt); } } optoff += (subopt_len + 2); return optoff; } static gboolean dissect_pxeclient_vendor_info_heur( tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data) { int offset = 0; dhcp_option_data_t *option_data = (dhcp_option_data_t*)data; proto_tree* vendor_tree; /* PXE protocol 2.1 as described in the Intel specs */ if ((option_data->vendor_class_id == NULL) || (strncmp((const gchar*)option_data->vendor_class_id, "PXEClient", strlen("PXEClient")) != 0)) return FALSE; proto_item_append_text(tree, " (PXEClient)"); vendor_tree = proto_item_add_subtree(tree, ett_dhcp_option); while (tvb_reported_length_remaining(tvb, offset) > 0) { offset = dissect_vendor_pxeclient_suboption(pinfo, tree, vendor_tree, tvb, offset, tvb_reported_length(tvb)); } return TRUE; } static void dissect_vendor_avaya_param(proto_tree *tree, packet_info *pinfo, proto_item *vti, tvbuff_t *tvb, int optoff, wmem_strbuf_t *avaya_param_buf) { const gchar *field; int len; field = wmem_strbuf_get_str(avaya_param_buf); len = (int)wmem_strbuf_get_len(avaya_param_buf); if((strncmp(field, "TLSSRVR=", 8) == 0) && ( len > 8 )) { proto_tree_add_string(tree, hf_dhcp_option242_avaya_tlssrvr, tvb, optoff, len, field + 8); } else if((strncmp(field, "HTTPSRVR=", 9) == 0) && ( len > 9)) { proto_tree_add_string(tree, hf_dhcp_option242_avaya_httpsrvr, tvb, optoff, len, field + 9); } else if((strncmp(field, "HTTPDIR=", 8) == 0) && ( len > 8)) { proto_tree_add_string(tree, hf_dhcp_option242_avaya_httpdir, tvb, optoff, len, field + 8); } else if((strncmp(field, "STATIC=", 7) == 0) && ( len > 7)) { proto_tree_add_string_format_value(tree, hf_dhcp_option242_avaya_static, tvb, optoff, len, field + 7, "%s (%s)", field + 7, str_to_str(field + 7, option242_avaya_static_vals, "Unknown (%s)")); } else if((strncmp(field, "MCIPADD=", 8) == 0) && ( len > 8)) { proto_tree_add_string(tree, hf_dhcp_option242_avaya_mcipadd, tvb, optoff, len, field + 8); } else if((strncmp(field, "DOT1X=", 6) == 0) && ( len > 6)) { proto_tree_add_string_format_value(tree, hf_dhcp_option242_avaya_dot1x, tvb, optoff, len, field + 6, "%s (%s)", field + 6, str_to_str(field + 6, option242_avaya_dot1x_vals, "Unknown (%s)")); } else if((strncmp(field, "ICMPDU=", 7) == 0) && ( len > 7)) { proto_tree_add_string_format_value(tree, hf_dhcp_option242_avaya_icmpdu, tvb, optoff, len, field + 7, "%s (%s)", field + 7, str_to_str(field + 7, option242_avaya_icmpdu_vals, "Unknown (%s)")); } else if((strncmp(field, "ICMPRED=", 8) == 0) && ( len > 8)) { proto_tree_add_string_format_value(tree, hf_dhcp_option242_avaya_icmpred, tvb, optoff, len, field + 8, "%s (%s)", field + 8, str_to_str(field + 8, option242_avaya_icmpred_vals, "Unknown (%s)")); } else if((strncmp(field, "L2Q=", 4) == 0) && ( len > 4)) { proto_tree_add_string_format_value(tree, hf_dhcp_option242_avaya_l2q, tvb, optoff, len, field + 4, "%s (%s)", field + 4, str_to_str(field + 4, option242_avaya_l2q_vals, "Unknown (%s)")); } else if((strncmp(field, "L2QVLAN=", 8) == 0) && ( len > 8)) { gint32 val = -1; gboolean val_valid; proto_item* pi; val_valid = ws_strtoi32(field + 8, NULL, &val); pi = proto_tree_add_int(tree, hf_dhcp_option242_avaya_l2qvlan, tvb, optoff, len, val); if (val_valid) expert_add_info(pinfo, pi, &ei_dhcp_option242_avaya_l2qvlan_invalid); } else if((strncmp(field, "LOGLOCAL=", 9) == 0) && ( len > 9)) { proto_tree_add_string_format_value(tree, hf_dhcp_option242_avaya_loglocal, tvb, optoff, len, field + 9, "%s (%s)", field + 9, str_to_str(field + 9, option242_avaya_loglocal_vals, "Unknown (%s)")); } else if((strncmp(field, "PHY1STAT=", 9) == 0) && ( len > 9)) { proto_tree_add_string_format_value(tree, hf_dhcp_option242_avaya_phy1stat, tvb, optoff, len, field + 9, "%s (%s)", field + 9, str_to_str(field + 9, option242_avaya_phystat_vals, "Unknown (%s)")); } else if((strncmp(field, "PHY2STAT=", 9) == 0) && ( len > 9)) { proto_tree_add_string_format_value(tree, hf_dhcp_option242_avaya_phy2stat, tvb, optoff, len, field + 9, "%s (%s)", field + 9, str_to_str(field + 9, option242_avaya_phystat_vals, "Unknown (%s)")); } else if((strncmp(field, "PROCPSWD=", 9) == 0) && ( len > 9)) { proto_tree_add_string(tree, hf_dhcp_option242_avaya_procpswd, tvb, optoff, len, field + 9); } else if((strncmp(field, "PROCSTAT=", 9) == 0) && ( len > 9)) { proto_tree_add_string_format_value(tree, hf_dhcp_option242_avaya_procstat, tvb, optoff, len, field + 9, "%s (%s)", field + 9, str_to_str(field + 9, option242_avaya_procstat_vals, "Unknown (%s)")); } else if((strncmp(field, "SNMPADD=", 8) == 0) && ( len > 8)) { proto_tree_add_string(tree, hf_dhcp_option242_avaya_snmpadd, tvb, optoff, len, field + 8); } else if((strncmp(field, "SNMPSTRING=", 11) == 0) && ( len > 11)) { proto_tree_add_string(tree, hf_dhcp_option242_avaya_snmpstring, tvb, optoff, len, field + 11); } else if((strncmp(field, "VLANTEST=", 9) == 0) && ( len > 9)) { gint32 val = -1; gboolean val_valid; proto_item* pi; val_valid = ws_strtoi32(field + 9, NULL, &val); pi = proto_tree_add_int(tree, hf_dhcp_option242_avaya_vlantest, tvb, optoff, len, val); if (!val_valid) expert_add_info(pinfo, pi, &ei_dhcp_option242_avaya_vlantest_invalid); } else { expert_add_info_format(pinfo, vti, &hf_dhcp_subopt_unknown_type, "ERROR, Unknown Avaya IP Telephone parameter %s", field); } } /* RFC3825Decoder: * * https://web.archive.org/web/20100312054301/http://www.enum.at/rfc3825encoder.529.0.html * * The code is no longer available. */ static void rfc3825_lci_to_fixpoint(const unsigned char lci[16], struct rfc3825_location_fixpoint_t *fixpoint) { fixpoint->latitude_res = (lci[0]>>2) & 0x3F; /* make sure that right-shift does not copy sign bit */ if (lci[0] & 2) { /* LSB<<1 contains the sign of the latitude */ /* Latitude is negative, expand two's complement */ fixpoint->latitude = (((gint64)lci[0] & 3)<<32) | ((gint64)lci[1]<<24) | ((gint64)lci[2]<<16) | ((gint64)lci[3]<<8) | (gint64)lci[4] | ((gint64)0x3FFFFFFF<<34); } else { /* Latitude is positive */ fixpoint->latitude = (((gint64)lci[0] & 3)<<32) | ((gint64)lci[1]<<24) | ((gint64)lci[2]<<16) | ((gint64)lci[3]<<8) | (gint64)lci[4]; } fixpoint->longitude_res = (lci[5]>>2) & 0x3F; /* make sure that right-shift does not copy sign bit */ if (lci[5] & 2) { /* LSB<<1 contains the sign of the latitude */ /* Longitude is negative, expand two's complement */ fixpoint->longitude = (((gint64)lci[5] & 3)<<32) | ((gint64)lci[6]<<24) | ((gint64)lci[7]<<16) | ((gint64)lci[8]<<8) | (gint64)lci[9] | ((gint64)0x3FFFFFFF<<34); } else { /* Longitude is positive */ fixpoint->longitude = (((gint64)lci[5] & 3)<<32) | ((gint64)lci[6]<<24) | ((gint64)lci[7]<<16) | ((gint64)lci[8]<<8) | (gint64)lci[9]; } fixpoint->altitude_type = (lci[10]>>4) & 0x0F; /* make sure that right-shift does not copy sign bit */ fixpoint->altitude_res = ((lci[10] & 0x0F) << 2) | ((lci[11]>>6) & 0x03); if (lci[11] & 0x20) { /* LSB<<1 contains the sign of the latitude */ /* Altitude is negative, expand two's complement */ fixpoint->altitude = (((gint32)lci[11] & 0x3F)<<24) | ((gint32)lci[12]<<16) | ((gint32)lci[13]<<8) | ((gint32)lci[14]) | ((gint32)0x03<<30); } else { /* Altitude is positive */ fixpoint->altitude = (((gint32)lci[11] & 0x3F)<<24) | ((gint32)lci[12]<<16) | ((gint32)lci[13]<<8) | ((gint32)lci[14]); } fixpoint->datum_type = lci[15]; } /* RFC3825Decoder: * * https://web.archive.org/web/20100312054301/http://www.enum.at/rfc3825encoder.529.0.html * * The code is no longer available. */ static int rfc3825_fixpoint_to_decimal(struct rfc3825_location_fixpoint_t *fixpoint, struct rfc3825_location_decimal_t *decimal) { /* Latitude */ decimal->latitude = (double) fixpoint->latitude / (1 << 25); if ((decimal->latitude > 90) || (decimal->latitude < -90)) { return RFC3825_LATITUDE_OUTOFRANGE; } /* Latitude Uncertainty */ if (fixpoint->latitude_res > 34) { return RFC3825_LATITUDE_UNCERTAINTY_OUTOFRANGE; } if (fixpoint->latitude_res > 8 ) { decimal->latitude_res = (double) 1 / (G_GUINT64_CONSTANT(1) << (fixpoint->latitude_res - 8)); } else { decimal->latitude_res = (double) (G_GUINT64_CONSTANT(1) << (8 - fixpoint->latitude_res)); } /* Longitude */ decimal->longitude = (double) fixpoint->longitude / (1 << 25); if ((decimal->longitude > 180) || (decimal->longitude < -180)) { return RFC3825_LONGITUDE_OUTOFRANGE; } /* Longitude Uncertainty */ if (fixpoint->longitude_res > 34) { return RFC3825_LONGITUDE_UNCERTAINTY_OUTOFRANGE; } if (fixpoint->longitude_res > 8 ) { decimal->longitude_res = (double) 1 / (G_GUINT64_CONSTANT(1) << (fixpoint->longitude_res - 8)); } else { decimal->longitude_res = (double) (G_GUINT64_CONSTANT(1) << (8 - fixpoint->longitude_res)); } /* Altitude Type */ decimal->altitude_type = fixpoint->altitude_type; decimal->altitude = 0; decimal->altitude_res = 0; if (decimal->altitude_type == 0) { /* Unknown */ } else if (decimal->altitude_type == 1) { /* Meters */ /* Altitude */ decimal->altitude = (double) fixpoint->altitude / (1 << 8); if ((decimal->altitude > ((gint32) 1<<21)-1) || (decimal->altitude < ((gint32) -(1<<21)))) return RFC3825_ALTITUDE_OUTOFRANGE; /* Altitude Uncertainty */ if (fixpoint->altitude_res > 30) { return RFC3825_ALTITUDE_UNCERTAINTY_OUTOFRANGE; } if (fixpoint->altitude_res > 21 ) { decimal->altitude_res = (double) 1 / (G_GUINT64_CONSTANT(1) << (fixpoint->altitude_res - 21)); } else { decimal->altitude_res = (double) (G_GUINT64_CONSTANT(1) << (21 - fixpoint->altitude_res)); } } else if (decimal->altitude_type == 2) { /* Floors */ /* Altitude */ if ((fixpoint->altitude_res != 30) && (fixpoint->altitude_res != 0)) { return RFC3825_ALTITUDE_UNCERTAINTY_OUTOFRANGE; } decimal->altitude = (double) fixpoint->altitude / (1 << 8); } else { /* invalid type */ return RFC3825_ALTITUDE_TYPE_OUTOFRANGE; } /* Datum Type */ decimal->datum_type = 0; if ((fixpoint->datum_type > 3) || (fixpoint->datum_type < 1)) { return RFC3825_DATUM_TYPE_OUTOFRANGE; } decimal->datum_type = fixpoint->datum_type; return RFC3825_NOERROR; } static int dissect_dhcpopt_isns(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_) { static int * const isns_functions_hf_flags[] = { &hf_dhcp_option_isns_functions_enabled, &hf_dhcp_option_isns_functions_dd_authorization, &hf_dhcp_option_isns_functions_sec_policy_distibution, &hf_dhcp_option_isns_functions_reserved, NULL }; static int * const isns_dda_hf_flags[] = { &hf_dhcp_option_isns_discovery_domain_access_enabled, &hf_dhcp_option_isns_discovery_domain_access_control_node, &hf_dhcp_option_isns_discovery_domain_access_iscsi_target, &hf_dhcp_option_isns_discovery_domain_access_iscsi_inititator, &hf_dhcp_option_isns_discovery_domain_access_ifcp_target_port, &hf_dhcp_option_isns_discovery_domain_access_ifcp_initiator_port, &hf_dhcp_option_isns_discovery_domain_access_reserved, NULL }; static int * const isns_administrative_flags[] = { &hf_dhcp_option_isns_administrative_flags_enabled, &hf_dhcp_option_isns_administrative_flags_heartbeat, &hf_dhcp_option_isns_administrative_flags_management_scns, &hf_dhcp_option_isns_administrative_flags_default_dd, &hf_dhcp_option_isns_administrative_flags_reserved, NULL }; static int * const isns_server_security_flags[] = { &hf_dhcp_option_isns_server_security_bitmap_enabled, &hf_dhcp_option_isns_server_security_bitmap_ike_ipsec_enabled, &hf_dhcp_option_isns_server_security_bitmap_main_mode, &hf_dhcp_option_isns_server_security_bitmap_aggressive_mode, &hf_dhcp_option_isns_server_security_bitmap_pfs, &hf_dhcp_option_isns_server_security_bitmap_transport_mode, &hf_dhcp_option_isns_server_security_bitmap_tunnel_mode, &hf_dhcp_option_isns_server_security_bitmap_reserved, NULL }; guint16 function_flags, dd_access_flags, administrative_flags; guint32 server_security_flags; proto_tree *server_tree; proto_item *item; int length = tvb_reported_length(tvb); int offset = 0, heartbeat_set = 0; if (length < 14) { expert_add_info_format(pinfo, tree, &ei_dhcp_bad_length, "length must be >= 14"); return 1; } item = proto_tree_add_bitmask(tree, tvb, offset, hf_dhcp_option_isns_functions, ett_dhcp_isns_functions, isns_functions_hf_flags, ENC_BIG_ENDIAN); function_flags = tvb_get_ntohs(tvb, offset); /* RFC 4174, section "2.1. iSNS Functions Field" specifies that if * the field "Function Fields Enabled" is set to 0, then "the contents * of all other iSNS Function fields MUST be ignored. We will display * the fields but add an informational expert info. This goes for all * the bitmasks: iSNS Functions, DD Access, Administrative Flags, iSNS * Server Security Bitmap */ if (ISNS_BITFIELD_NZ_MUST_BE_IGNORED(function_flags, F_ISNS_FUNCTIONS_ENABLED)) expert_add_info(pinfo, item, &ei_dhcp_option_isns_ignored_bitfield); offset += 2; item = proto_tree_add_bitmask(tree, tvb, offset, hf_dhcp_option_isns_discovery_domain_access, ett_dhcp_isns_discovery_domain_access, isns_dda_hf_flags, ENC_BIG_ENDIAN); dd_access_flags = tvb_get_ntohs(tvb, offset); if (ISNS_BITFIELD_NZ_MUST_BE_IGNORED(dd_access_flags, F_ISNS_DD_ACCESS_ENABLED)) expert_add_info(pinfo, item, &ei_dhcp_option_isns_ignored_bitfield); offset += 2; administrative_flags = tvb_get_ntohs(tvb, offset); if (administrative_flags & F_ISNS_ADMIN_FLAGS_ENABLED) { if ((administrative_flags & F_ISNS_ADMIN_FLAGS_HEARTBEAT)) { if (length < 18) { expert_add_info_format(pinfo, tree, &ei_dhcp_bad_length, "length must be >= 18"); return offset; } heartbeat_set = 1; } } item = proto_tree_add_bitmask(tree, tvb, offset, hf_dhcp_option_isns_administrative_flags, ett_dhcp_isns_administrative_flags, isns_administrative_flags, ENC_BIG_ENDIAN); if (ISNS_BITFIELD_NZ_MUST_BE_IGNORED(administrative_flags, F_ISNS_ADMIN_FLAGS_ENABLED)) expert_add_info(pinfo, item, &ei_dhcp_option_isns_ignored_bitfield); offset += 2; item = proto_tree_add_bitmask(tree, tvb, offset, hf_dhcp_option_isns_server_security_bitmap, ett_dhcp_isns_server_security_bitmap, isns_server_security_flags, ENC_BIG_ENDIAN); server_security_flags = tvb_get_ntohl(tvb, offset); if (ISNS_BITFIELD_NZ_MUST_BE_IGNORED(server_security_flags, F_ISNS_SRV_SEC_BITMAP_ENABLED)) expert_add_info(pinfo, item, &ei_dhcp_option_isns_ignored_bitfield); offset += 4; if (heartbeat_set) { proto_tree_add_item(tree, hf_dhcp_option_isns_heartbeat_originator_addr, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; } proto_tree_add_item(tree, hf_dhcp_option_isns_primary_server_addr, tvb, offset, 4, ENC_BIG_ENDIAN); offset += 4; if (tvb_reported_length_remaining(tvb, offset) > 0) { server_tree = proto_tree_add_subtree(tree, tvb, offset, 0, ett_dhcp_isns_secondary_server_addr, &item, "Secondary iSNS Servers"); dhcp_handle_basic_types(pinfo, server_tree, item, tvb, ipv4_list, offset, tvb_reported_length_remaining(tvb, offset), &hf_dhcp_option_isns_secondary_server_addr_list, NULL); } return tvb_captured_length(tvb); } static const value_string option43_cl_suboption_vals[] = { { 0, "Padding" }, { 1, "Suboption Request List" }, { 2, "Device Type" }, { 3, "eSAFE Types" }, { 4, "Serial Number" }, { 5, "Hardware Version" }, { 6, "Software Version" }, { 7, "Boot ROM version" }, { 8, "Organizationally Unique Identifier" }, { 9, "Model Number" }, { 10, "Vendor Name" }, { 11, "Address Realm" }, { 12, "CM/PS System Description" }, { 13, "CM/PS Firmware Revision" }, { 14, "Firewall Policy File Version" }, { 15, "eSafe Config File Devices" }, { 18, "Video Security Type" }, { 31, "MTA MAC Address" }, { 32, "Correlation ID" }, { 51, "Vendor Name" }, { 52, "CableCARD Capability" }, { 53, "Device Identification (CA)" }, { 54, "Device Identification (X.509)" }, { 179, "LCM Server" }, { 180, "LCM Domain" }, { 181, "LCM NIC option 0" }, { 190, "LCM Workgroup" }, { 191, "Discovery" }, { 192, "HH Configured" }, { 193, "LCM Version" }, { 194, "LCM Serial Number" }, { 255, "CL End" }, { 0, NULL} }; static const value_string cablehome_subopt11_vals[] = { { 1, "PS WAN-Man" }, { 2, "PS WAN-Data" }, { 0, NULL } }; static int dissect_vendor_cablelabs_suboption(packet_info *pinfo, proto_item *v_ti, proto_tree *v_tree, tvbuff_t *tvb, int optoff, int optend) { int suboptoff = optoff; guint8 subopt; guint8 subopt_len; proto_tree *o43cl_v_tree; proto_item *vti; struct basic_types_hfs default_hfs = { &hf_dhcp_option43_value, NULL, NULL, &hf_dhcp_option43_value_stringz, NULL, &hf_dhcp_option43_value_8, NULL, NULL, &hf_dhcp_option43_value_32, NULL, NULL }; static struct opt_info o43cablelabs_opt[]= { /* 0 */ {"nop", special, &hf_dhcp_option43_cl_padding}, /* dummy */ /* 1 */ {"Suboption Request List", string, &hf_dhcp_option43_cl_suboption_request_list}, /* 2 */ {"Device Type", string, &hf_dhcp_option43_cl_device_type}, /* 3 */ {"eSAFE Types", string, &hf_dhcp_option43_cl_esafe_type}, /* 4 */ {"Serial Number", string, &hf_dhcp_option43_cl_serial_number}, /* 5 */ {"Hardware Version", string, &hf_dhcp_option43_cl_hardware_version}, /* 6 */ {"Software Version", string, &hf_dhcp_option43_cl_software_version}, /* 7 */ {"Boot ROM version", string, &hf_dhcp_option43_cl_boot_rom_version}, /* 8 */ {"Organizationally Unique Identifier", special, &hf_dhcp_option43_cl_oui_bytes}, /* 9 */ {"Model Number", string, &hf_dhcp_option43_cl_model_number}, /* 10 */ {"Vendor Name", string, &hf_dhcp_option43_cl_vendor_name10}, /* *** 11-30: CableHome *** */ /* 11 */ {"Address Realm", val_u_byte, &hf_dhcp_option43_cl_address_realm}, /* 12 */ {"CM/PS System Description", string, &hf_dhcp_option43_cl_cm_ps_system_desc}, /* 13 */ {"CM/PS Firmware Revision", string, &hf_dhcp_option43_cl_cm_ps_firmware_revision}, /* 14 */ {"Firewall Policy File Version", string, &hf_dhcp_option43_cl_firewall_policy_file_version}, /* 15 */ {"eSafe Config File Devices", string, &hf_dhcp_option43_cl_esafe_config_file_devices}, /* 16 */ {"Unassigned (CableHome)", special, NULL}, /* 17 */ {"Unassigned (CableHome)", special, NULL}, /* 18 */ {"Video Security Type", string, &hf_dhcp_option43_cl_video_security_tape}, /* 19 */ {"Unassigned (CableHome)", special, NULL}, /* 20 */ {"Unassigned (CableHome)", special, NULL}, /* 21 */ {"Unassigned (CableHome)", special, NULL}, /* 22 */ {"Unassigned (CableHome)", special, NULL}, /* 23 */ {"Unassigned (CableHome)", special, NULL}, /* 24 */ {"Unassigned (CableHome)", special, NULL}, /* 25 */ {"Unassigned (CableHome)", special, NULL}, /* 26 */ {"Unassigned (CableHome)", special, NULL}, /* 27 */ {"Unassigned (CableHome)", special, NULL}, /* 28 */ {"Unassigned (CableHome)", special, NULL}, /* 29 */ {"Unassigned (CableHome)", special, NULL}, /* 30 */ {"Unassigned (CableHome)", special, NULL}, /* *** 31-50: PacketCable *** */ /* 31 */ {"MTA MAC Address", special, &hf_dhcp_option43_cl_mta_mac_address}, /* 32 */ {"Correlation ID", val_u_long, &hf_dhcp_option43_cl_correlation_ID}, /* 33 */ {"Unassigned (PacketCable)", special, NULL}, /* 34 */ {"Unassigned (PacketCable)", special, NULL}, /* 35 */ {"Unassigned (PacketCable)", special, NULL}, /* 36 */ {"Unassigned (PacketCable)", special, NULL}, /* 37 */ {"Unassigned (PacketCable)", special, NULL}, /* 38 */ {"Unassigned (PacketCable)", special, NULL}, /* 39 */ {"Unassigned (PacketCable)", special, NULL}, /* 40 */ {"Unassigned (PacketCable)", special, NULL}, /* 41 */ {"Unassigned (PacketCable)", special, NULL}, /* 42 */ {"Unassigned (PacketCable)", special, NULL}, /* 43 */ {"Unassigned (PacketCable)", special, NULL}, /* 44 */ {"Unassigned (PacketCable)", special, NULL}, /* 45 */ {"Unassigned (PacketCable)", special, NULL}, /* 46 */ {"Unassigned (PacketCable)", special, NULL}, /* 47 */ {"Unassigned (PacketCable)", special, NULL}, /* 48 */ {"Unassigned (PacketCable)", special, NULL}, /* 49 */ {"Unassigned (PacketCable)", special, NULL}, /* 50 */ {"Unassigned (PacketCable)", special, NULL}, /* *** 51-127: CableLabs *** */ /* 51 */ {"Vendor Name", string, &hf_dhcp_option43_cl_vendor_name51}, /* 52 */ {"CableCARD Capability", special, &hf_dhcp_option43_cl_cablecard_capability}, /* 53 */ {"Device Identification (CA)", special, &hf_dhcp_option43_cl_device_id_ca}, /* 54 */ {"Device Identification (X.509)", string, &hf_dhcp_option43_cl_device_id_x509}, /* 55 */ {"Unassigned (CableLabs)", special, NULL}, /* *** 128-254: Vendors *** */ /* 128-254 {"Unassigned (Vendors)", special, NULL}, */ /* 255 {"end options", special, &hf_dhcp_option43_cl_end} */ }; subopt = tvb_get_guint8(tvb, optoff); suboptoff++; if (subopt == 0) { proto_tree_add_item(v_tree, hf_dhcp_option43_cl_padding, tvb, optoff, 1, ENC_BIG_ENDIAN); return (suboptoff); } else if (subopt == 255) { /* End Option */ proto_tree_add_item(v_tree, hf_dhcp_option43_cl_end, tvb, optoff, 1, ENC_BIG_ENDIAN); /* Make sure we skip any junk left this option */ return (optend); } if (suboptoff >= optend) { expert_add_info_format(pinfo, v_ti, &ei_dhcp_missing_subopt_length, "Suboption %d: no room left in option for suboption length", subopt); return (optend); } subopt_len = tvb_get_guint8(tvb, suboptoff); vti = proto_tree_add_uint_format_value(v_tree, hf_dhcp_option43_cl_suboption, tvb, optoff, subopt_len+2, subopt, "(%d) %s", subopt, val_to_str_const(subopt, option43_cl_suboption_vals, "Unknown")); o43cl_v_tree = proto_item_add_subtree(vti, ett_dhcp_option43_suboption); proto_tree_add_item(o43cl_v_tree, hf_dhcp_suboption_length, tvb, suboptoff, 1, ENC_BIG_ENDIAN); suboptoff++; if (suboptoff+subopt_len > optend) { expert_add_info_format(pinfo, vti, &ei_dhcp_missing_subopt_value, "Suboption %d: no room left in option for suboption value", subopt); return (optend); } if ( (subopt < 1 ) || (subopt >= array_length(o43cablelabs_opt)) ) { proto_tree_add_item(o43cl_v_tree, hf_dhcp_option43_value, tvb, suboptoff, subopt_len, ENC_NA); } else if (o43cablelabs_opt[subopt].ftype == special) { switch(subopt) { case 8:/* OUI */ /* CableLabs specs treat 43.8 inconsistently * as either binary (3b) or string (6b) */ if (subopt_len == 3) { proto_tree_add_bytes_format_value(o43cl_v_tree, hf_dhcp_option43_cl_oui_bytes, tvb, suboptoff, subopt_len, NULL, "%02x:%02x:%02x", tvb_get_guint8(tvb, suboptoff), tvb_get_guint8(tvb, suboptoff+1), tvb_get_guint8(tvb, suboptoff+2)); } else if (subopt_len == 6) { proto_tree_add_item(o43cl_v_tree, hf_dhcp_option43_cl_oui_string, tvb, suboptoff, subopt_len, ENC_ASCII); } else { expert_add_info_format(pinfo, vti, &ei_dhcp_bad_length, "length isn't 3 or 6"); } break; case 31: /* MTA MAC address */ if (subopt_len != 6) { expert_add_info_format(pinfo, vti, &ei_dhcp_bad_length, "length isn't 6"); break; } proto_tree_add_item(o43cl_v_tree, hf_dhcp_option43_cl_mta_mac_address, tvb, suboptoff, 6, ENC_NA); break; default: if (o43cablelabs_opt[subopt].phf != NULL) proto_tree_add_item(o43cl_v_tree, *o43cablelabs_opt[subopt].phf, tvb, suboptoff, subopt_len, ENC_BIG_ENDIAN); else proto_tree_add_item(o43cl_v_tree, hf_dhcp_option43_value, tvb, suboptoff, subopt_len, ENC_NA); } } else { if (dhcp_handle_basic_types(pinfo, o43cl_v_tree, vti, tvb, o43cablelabs_opt[subopt].ftype, suboptoff, subopt_len, o43cablelabs_opt[subopt].phf, &default_hfs) == 0) { expert_add_info_format(pinfo, vti, &hf_dhcp_subopt_unknown_type, "ERROR, please report: Unknown subopt type handler %d", subopt); } } optoff += (subopt_len + 2); return optoff; } static gboolean dissect_cablelabs_vendor_info_heur( tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data) { int offset = 0; dhcp_option_data_t *option_data = (dhcp_option_data_t*)data; proto_tree* vendor_tree; /* Vendor Class IDs * DOCSIS - docsis * CableHome - CableHome * OpenCable2.0 - OpenCable2.0 * PacketCable - pktc * DEMARC - DEMARC * sRouter - SROUTER * Remote PHY - RPD * eDOCSIS - PTA or ECM * OpenCable TRIF - TR */ if ((option_data->vendor_class_id != NULL) && ((strncmp((const gchar*)option_data->vendor_class_id, "pktc", strlen("pktc")) == 0) || (strncmp((const gchar*)option_data->vendor_class_id, "docsis", strlen("docsis")) == 0) || (strncmp((const gchar*)option_data->vendor_class_id, "OpenCable2.0", strlen("OpenCable2.0")) == 0) || (strncmp((const gchar*)option_data->vendor_class_id, "CableHome", strlen("CableHome")) == 0) || (strncmp((const gchar*)option_data->vendor_class_id, "RPD", strlen("RPD")) == 0) || (strncmp((const gchar*)option_data->vendor_class_id, "RMD", strlen("RMD")) == 0) || (strncmp((const gchar*)option_data->vendor_class_id, "ECM", strlen("ECM")) == 0) || (strncmp((const gchar*)option_data->vendor_class_id, "PTA", strlen("PTA")) == 0) || (strncmp((const gchar*)option_data->vendor_class_id, "DEMARC", strlen("DEMARC")) == 0) || (strncmp((const gchar*)option_data->vendor_class_id, "TR", strlen("TR")) == 0) || (strncmp((const gchar*)option_data->vendor_class_id, "SROUTER", strlen("SROUTER")) == 0))) { /* CableLabs standard - see www.cablelabs.com/projects */ proto_item_append_text(tree, " (CableLabs)"); vendor_tree = proto_item_add_subtree(tree, ett_dhcp_option); while (tvb_reported_length_remaining(tvb, offset) > 0) { offset = dissect_vendor_cablelabs_suboption(pinfo, tree, vendor_tree, tvb, offset, tvb_reported_length(tvb)); } return TRUE; } return FALSE; } static gboolean dissect_aruba_ap_vendor_info_heur( tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, void *data) { int offset = 0; dhcp_option_data_t *option_data = (dhcp_option_data_t*)data; proto_tree* vendor_tree; if ((option_data->vendor_class_id == NULL) || (strncmp((const gchar*)option_data->vendor_class_id, ARUBA_AP, strlen(ARUBA_AP)) != 0)) return FALSE; proto_item_append_text(tree, " (Aruba AP)"); vendor_tree = proto_item_add_subtree(tree, ett_dhcp_option); proto_tree_add_item(vendor_tree, hf_dhcp_option43_arubaap_controllerip, tvb, offset, tvb_reported_length(tvb), ENC_ASCII); return TRUE; } static gboolean dissect_aruba_instant_ap_vendor_info_heur( tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, void *data) { int offset = 0; int reported_len = tvb_reported_length(tvb); dhcp_option_data_t *option_data = (dhcp_option_data_t*)data; proto_tree* vendor_tree; proto_item* vendor_item; gint32 nameorglen, ampiplen; /* Aruba Instant AP */ if ((option_data->vendor_class_id == NULL) || (strncmp((const gchar*)option_data->vendor_class_id, ARUBA_INSTANT_AP, strlen(ARUBA_INSTANT_AP)) != 0)) return FALSE; proto_item_append_text(tree, " (Aruba Instant AP)"); vendor_item = proto_tree_add_item(tree, hf_dhcp_option43_arubaiap, tvb, offset, reported_len, ENC_ASCII); vendor_tree = proto_item_add_subtree(vendor_item, ett_dhcp_option43_suboption); nameorglen = tvb_find_guint8(tvb, offset, tvb_reported_length(tvb), ','); proto_tree_add_item(vendor_tree, hf_dhcp_option43_arubaiap_nameorg, tvb, offset, nameorglen, ENC_ASCII); offset += (nameorglen+1); ampiplen = tvb_find_guint8(tvb, offset, reported_len-nameorglen-1, ',') - offset; proto_tree_add_item(vendor_tree, hf_dhcp_option43_arubaiap_ampip, tvb, offset, ampiplen, ENC_ASCII); offset += (ampiplen+1); proto_tree_add_item(vendor_tree, hf_dhcp_option43_arubaiap_password, tvb, offset, tvb_reported_length_remaining(tvb, offset), ENC_ASCII); return TRUE; } static const value_string option43_bsdp_suboption_vals[] = { { 0, "Pad" }, { 1, "Message Type" }, { 2, "Version" }, { 3, "Server Identifier" }, { 4, "Server Priority" }, { 5, "Reply Port" }, { 6, "Boot Image List Path" }, { 7, "Default Boot Image" }, { 8, "Selected Boot Image" }, { 9, "Boot Image List" }, { 10, "NetBoot 1.0 Firmware" }, { 11, "Boot Image Attributes Filter List" }, { 12, "Maximum Message Size" }, { 255, "End" }, { 0, NULL} }; static void dissect_vendor_bsdp_boot_image(proto_tree *v_tree, tvbuff_t *tvb, int optoff) { static int * const dhcp_o43_bsdp_attributes_flags[] = { &hf_dhcp_option43_bsdp_boot_image_attribute_install, &hf_dhcp_option43_bsdp_boot_image_attribute_kind, &hf_dhcp_option43_bsdp_boot_image_attribute_reserved, NULL }; proto_tree_add_bitmask(v_tree, tvb, optoff, hf_dhcp_option43_bsdp_boot_image_attribute, ett_dhcp_o43_bsdp_attributes_flags, dhcp_o43_bsdp_attributes_flags, ENC_NA); } static int dissect_vendor_bsdp_suboption(packet_info *pinfo, proto_item *v_ti, proto_tree *v_tree, tvbuff_t *tvb, int optoff, int optend) { int suboptoff = optoff; int attributes_off; guint8 subopt, string_len; guint8 subopt_len, attributes_len; guint item_len; proto_tree *o43bsdp_v_tree, *o43bsdp_va_tree, *o43bsdp_vb_tree, *o43bsdp_vc_tree, *o43bsdp_vd_tree; proto_item *vti, *ti, *tj; subopt = tvb_get_guint8(tvb, optoff); suboptoff++; if (subopt == 0 || subopt == 255) { /* Pad (0) and End (255) have implicit length of 1. */ item_len = 1; } else if (suboptoff >= optend) { expert_add_info_format(pinfo, v_ti, &ei_dhcp_missing_subopt_length, "Suboption %d: no room left in option for suboption length", subopt); return (optend); } else { subopt_len = tvb_get_guint8(tvb, suboptoff); item_len = subopt_len + 2; } vti = proto_tree_add_uint_format_value(v_tree, hf_dhcp_option43_bsdp_suboption, tvb, optoff, item_len, subopt, "(%d) %s", subopt, val_to_str_const(subopt, option43_bsdp_suboption_vals, "Unknown")); if (item_len == 1) { return (optoff + 1); } o43bsdp_v_tree = proto_item_add_subtree(vti, ett_dhcp_option43_suboption); proto_tree_add_item(o43bsdp_v_tree, hf_dhcp_suboption_length, tvb, suboptoff, 1, ENC_BIG_ENDIAN); suboptoff++; if (suboptoff+subopt_len > optend) { expert_add_info_format(pinfo, vti, &ei_dhcp_missing_subopt_value, "Suboption %d: no room left in option for suboption value", subopt); return (optend); } switch(subopt) { case 1: proto_tree_add_item(o43bsdp_v_tree, hf_dhcp_option43_bsdp_message_type, tvb, suboptoff, subopt_len, ENC_ASCII|ENC_NA); break; case 2: proto_tree_add_item(o43bsdp_v_tree, hf_dhcp_option43_bsdp_version, tvb, suboptoff, subopt_len, ENC_BIG_ENDIAN); break; case 3: proto_tree_add_item(o43bsdp_v_tree, hf_dhcp_option43_bsdp_server_identifier, tvb, suboptoff, subopt_len, ENC_BIG_ENDIAN); break; case 4: proto_tree_add_item(o43bsdp_v_tree, hf_dhcp_option43_bsdp_server_priority, tvb, suboptoff, subopt_len, ENC_BIG_ENDIAN); break; case 5: proto_tree_add_item(o43bsdp_v_tree, hf_dhcp_option43_bsdp_reply_port, tvb, suboptoff, subopt_len, ENC_BIG_ENDIAN); break; case 6: proto_tree_add_item(o43bsdp_v_tree, hf_dhcp_option43_bsdp_boot_image_list_path, tvb, suboptoff, subopt_len, ENC_ASCII); break; case 7: ti = proto_tree_add_item(o43bsdp_v_tree, hf_dhcp_option43_bsdp_default_boot_image_id, tvb, suboptoff, subopt_len, ENC_BIG_ENDIAN|ENC_NA); o43bsdp_va_tree = proto_item_add_subtree(ti, ett_dhcp_o43_bsdp_boot_image); dissect_vendor_bsdp_boot_image(o43bsdp_va_tree, tvb, suboptoff); proto_tree_add_item(o43bsdp_va_tree, hf_dhcp_option43_bsdp_boot_image_index, tvb, suboptoff+2, subopt_len-2, ENC_BIG_ENDIAN|ENC_NA); break; case 8: ti = proto_tree_add_item(o43bsdp_v_tree, hf_dhcp_option43_bsdp_selected_boot_image_id, tvb, suboptoff, subopt_len, ENC_BIG_ENDIAN|ENC_NA); o43bsdp_vc_tree = proto_item_add_subtree(ti, ett_dhcp_o43_bsdp_boot_image); dissect_vendor_bsdp_boot_image(o43bsdp_vc_tree, tvb, suboptoff); proto_tree_add_item(o43bsdp_vc_tree, hf_dhcp_option43_bsdp_boot_image_index, tvb, suboptoff+2, subopt_len-2, ENC_BIG_ENDIAN|ENC_NA); break; case 9: ti = proto_tree_add_item(o43bsdp_v_tree, hf_dhcp_option43_bsdp_boot_image_list, tvb, suboptoff, subopt_len, ENC_BIG_ENDIAN|ENC_NA); attributes_len = subopt_len; attributes_off = suboptoff; o43bsdp_vd_tree = proto_item_add_subtree(ti, ett_dhcp_o43_bsdp_image_desc_list); while (attributes_len >= 5) { string_len = tvb_get_guint8(tvb, attributes_off+4); if (string_len > 0) { tj = proto_tree_add_item(o43bsdp_vd_tree, hf_dhcp_option43_bsdp_image_desc, tvb, attributes_off, string_len+5, ENC_BIG_ENDIAN|ENC_NA); o43bsdp_vb_tree = proto_item_add_subtree(tj, ett_dhcp_o43_bsdp_image_desc); dissect_vendor_bsdp_boot_image(o43bsdp_vb_tree, tvb, attributes_off); proto_tree_add_item(o43bsdp_vb_tree, hf_dhcp_option43_bsdp_boot_image_index, tvb, attributes_off+2, 2, ENC_BIG_ENDIAN|ENC_NA); proto_tree_add_item(o43bsdp_vb_tree, hf_dhcp_option43_bsdp_boot_image_name_len, tvb, attributes_off+4, 1, ENC_BIG_ENDIAN|ENC_NA); proto_tree_add_item(o43bsdp_vb_tree, hf_dhcp_option43_bsdp_boot_image_name, tvb, attributes_off+5, string_len, ENC_UTF_8); } attributes_off += 5 + string_len; attributes_len -= 5 + string_len; } break; case 10: proto_tree_add_item(o43bsdp_v_tree, hf_dhcp_option43_bsdp_netboot_firmware, tvb, suboptoff, subopt_len, ENC_NA); break; case 11: ti = proto_tree_add_item(o43bsdp_v_tree, hf_dhcp_option43_bsdp_attributes_filter_list, tvb, suboptoff, subopt_len, ENC_BIG_ENDIAN|ENC_NA); attributes_len = subopt_len; attributes_off = suboptoff; o43bsdp_va_tree = proto_item_add_subtree(ti, ett_dhcp_o43_bsdp_attributes); while (attributes_len >= 2) { dissect_vendor_bsdp_boot_image(o43bsdp_va_tree, tvb, attributes_off); attributes_off+=2; attributes_len-=2; } break; case 12: proto_tree_add_item(o43bsdp_v_tree, hf_dhcp_option43_bsdp_message_size, tvb, suboptoff, subopt_len, ENC_BIG_ENDIAN|ENC_NA); break; } optoff += item_len; return optoff; } static gboolean dissect_apple_bsdp_vendor_info_heur(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data) { int offset = 0; dhcp_option_data_t *option_data = (dhcp_option_data_t*)data; proto_tree* vendor_tree; if ((option_data->vendor_class_id == NULL) || (strncmp((const gchar*)option_data->vendor_class_id, APPLE_BSDP_SERVER, strlen(APPLE_BSDP_SERVER)) != 0)) return FALSE; /* Apple BSDP */ proto_item_append_text(tree, " (Boot Server Discovery Protocol (BSDP))"); vendor_tree = proto_item_add_subtree(tree, ett_dhcp_option); while (tvb_reported_length_remaining(tvb, offset) > 0) { offset = dissect_vendor_bsdp_suboption(pinfo, tree, vendor_tree, tvb, offset, tvb_reported_length(tvb)); } return TRUE; } /* Cisco Vendor Specific Information */ /* { 1, "1" }, * D,R: 03 * { 2, "2" }, * D,R: 01 * { 3, "3" }, * D,R: 00 01 # O,A: 00 02 * { 4, "Node ID" }, * O,A: 00 00 00 ca * { 5, "5" }, * O,A: 01 * { 6, "6" }, * D,R: 01 # O,A: 01 * { 7, "Model" }, * D,R: N9K-C9336PQ * { 8, "APIC UUID" }, * O,A: 09bced36-69f1-11e6-96ce-8baf09371338 * { 9, "Fabricname" }, * O,A: ams-fab1 * { 10, "10" }, * D,R: 00 00 00 01 * { 11, "SerialNo" }, * D,R: SAL1926J4QW * { 12, "Client Int" }, * D,O: eth1/20.20 # R,A: eth1/20.20 * */ static const value_string option43_cisco_suboption_vals[] = { { 1, "Unk-1 (Node role?)" }, /* uint8 */ { 2, "Unk-2 (Spine level?)" }, /* uint8 */ { 3, "Unk-3 (Pod ID?)" }, /* uint16 */ { 4, "Node ID" }, /* uint32 */ { 5, "Unk-5" }, /* uint8 */ { 6, "Unk-6" }, /* uint8 */ { 7, "Model" }, /* String */ { 8, "APIC UUID" }, /* String */ { 9, "Fabricname" }, /* String */ { 10, "Unk-10" }, /* uint32 */ { 11, "SerialNo" }, /* String */ { 12, "Interfacename" }, /* String */ { 0, NULL} }; static int dissect_vendor_cisco_suboption(packet_info *pinfo, proto_item *v_ti, proto_tree *v_tree, tvbuff_t *tvb, int optoff, int optend) { int suboptoff = optoff; guint8 subopt; guint8 subopt_len; guint item_len; proto_tree *o43cisco_v_tree; proto_item *vti; subopt = tvb_get_guint8(tvb, optoff); suboptoff++; if (suboptoff >= optend) { expert_add_info_format(pinfo, v_ti, &ei_dhcp_missing_subopt_length, "Suboption %d: No room left in option for suboption length", subopt); return (optend); } else { subopt_len = tvb_get_guint8(tvb, suboptoff); item_len = subopt_len + 2; } vti = proto_tree_add_uint_format_value(v_tree, hf_dhcp_option43_cisco_suboption, tvb, optoff, item_len, subopt, "(%d) %s", subopt, val_to_str_const(subopt, option43_cisco_suboption_vals, "Unknown")); o43cisco_v_tree = proto_item_add_subtree(vti, ett_dhcp_option43_suboption); proto_tree_add_item(o43cisco_v_tree, hf_dhcp_suboption_length, tvb, suboptoff, 1, ENC_BIG_ENDIAN); suboptoff++; if (suboptoff+subopt_len > optend) { expert_add_info_format(pinfo, vti, &ei_dhcp_missing_subopt_value, "Suboption %d: Not sufficient room left in option for suboption value", subopt); return (optend); } switch(subopt) { case 1: proto_tree_add_item(o43cisco_v_tree, hf_dhcp_option43_cisco_unknown1, tvb, suboptoff, subopt_len, ENC_BIG_ENDIAN); break; case 2: proto_tree_add_item(o43cisco_v_tree, hf_dhcp_option43_cisco_unknown2, tvb, suboptoff, subopt_len, ENC_BIG_ENDIAN); break; case 3: proto_tree_add_item(o43cisco_v_tree, hf_dhcp_option43_cisco_unknown3, tvb, suboptoff, subopt_len, ENC_BIG_ENDIAN); break; case 4: proto_tree_add_item(o43cisco_v_tree, hf_dhcp_option43_cisco_nodeid, tvb, suboptoff, subopt_len, ENC_BIG_ENDIAN); break; case 5: proto_tree_add_item(o43cisco_v_tree, hf_dhcp_option43_cisco_unknown5, tvb, suboptoff, subopt_len, ENC_BIG_ENDIAN); break; case 6: proto_tree_add_item(o43cisco_v_tree, hf_dhcp_option43_cisco_unknown6, tvb, suboptoff, subopt_len, ENC_BIG_ENDIAN); break; case 7: proto_tree_add_item(o43cisco_v_tree, hf_dhcp_option43_cisco_model, tvb, suboptoff, subopt_len, ENC_ASCII); break; case 8: proto_tree_add_item(o43cisco_v_tree, hf_dhcp_option43_cisco_apicuuid, tvb, suboptoff, subopt_len, ENC_ASCII); break; case 9: proto_tree_add_item(o43cisco_v_tree, hf_dhcp_option43_cisco_fabricname, tvb, suboptoff, subopt_len, ENC_ASCII); break; case 10: proto_tree_add_item(o43cisco_v_tree, hf_dhcp_option43_cisco_unknown10, tvb, suboptoff, subopt_len, ENC_BIG_ENDIAN); break; case 11: proto_tree_add_item(o43cisco_v_tree, hf_dhcp_option43_cisco_serialno, tvb, suboptoff, subopt_len, ENC_ASCII); break; case 12: proto_tree_add_item(o43cisco_v_tree, hf_dhcp_option43_cisco_clientint, tvb, suboptoff, subopt_len, ENC_ASCII); break; default: proto_tree_add_item(o43cisco_v_tree, hf_dhcp_option43_cisco_unknown, tvb, suboptoff, subopt_len, ENC_NA); } optoff += item_len; return optoff; } static gboolean dissect_cisco_vendor_info_heur(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data) { int offset = 0; dhcp_option_data_t *option_data = (dhcp_option_data_t*)data; proto_tree* vendor_tree; if ((option_data->vendor_class_id == NULL) || (strncmp((const gchar*)option_data->vendor_class_id, CISCO_VCID, strlen(CISCO_VCID)) != 0)) return FALSE; /* Cisco ACI Fabric*/ proto_item_append_text(tree, " (Cisco ACI Fabric)"); vendor_tree = proto_item_add_subtree(tree, ett_dhcp_option); while (tvb_reported_length_remaining(tvb, offset) > 0) { offset = dissect_vendor_cisco_suboption(pinfo, tree, vendor_tree, tvb, offset, tvb_reported_length(tvb)); } return TRUE; } /* Aerohive (Extremenetworks) Vendor Specific Information */ static const value_string option43_aerohive_suboption_vals[] = { { 225, "XiqHostname" }, /* String */ { 226, "XiqIpAddress" }, /* Ipv4address */ { 0, NULL} }; static int dissect_vendor_aerohive_suboption(packet_info *pinfo, proto_item *v_ti, proto_tree *v_tree, tvbuff_t *tvb, int optoff, int optend) { int suboptoff = optoff; guint8 subopt; guint8 subopt_len; guint item_len; proto_tree *o43aerohive_v_tree; proto_item *vti; subopt = tvb_get_guint8(tvb, optoff); suboptoff++; if (suboptoff >= optend) { expert_add_info_format(pinfo, v_ti, &ei_dhcp_missing_subopt_length, "Suboption %d: No room left in option for suboption length", subopt); return (optend); } else { subopt_len = tvb_get_guint8(tvb, suboptoff); item_len = subopt_len + 2; } vti = proto_tree_add_uint_format_value(v_tree, hf_dhcp_option43_aerohive_suboption, tvb, optoff, item_len, subopt, "(%d) %s", subopt, val_to_str_const(subopt, option43_aerohive_suboption_vals, "Unknown")); o43aerohive_v_tree = proto_item_add_subtree(vti, ett_dhcp_option43_suboption); proto_tree_add_item(o43aerohive_v_tree, hf_dhcp_suboption_length, tvb, suboptoff, 1, ENC_BIG_ENDIAN); suboptoff++; if (suboptoff+subopt_len > optend) { expert_add_info_format(pinfo, vti, &ei_dhcp_missing_subopt_value, "Suboption %d: Not sufficient room left in option for suboption value", subopt); return (optend); } switch(subopt) { case 225: proto_tree_add_item(o43aerohive_v_tree, hf_dhcp_option43_aerohive_xiqhostname, tvb, suboptoff, subopt_len, ENC_ASCII); break; case 226: proto_tree_add_item(o43aerohive_v_tree, hf_dhcp_option43_aerohive_xiqipaddress, tvb, suboptoff, subopt_len, ENC_BIG_ENDIAN); break; default: proto_tree_add_item(o43aerohive_v_tree, hf_dhcp_option43_aerohive_unknown, tvb, suboptoff, subopt_len, ENC_NA); } optoff += item_len; return optoff; } static gboolean dissect_aerohive_vendor_info_heur(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data) { int offset = 0; dhcp_option_data_t *option_data = (dhcp_option_data_t*)data; proto_tree* vendor_tree; if ((option_data->vendor_class_id == NULL) || (strncmp((const gchar*)option_data->vendor_class_id, AEROHIVE_VCID, strlen(AEROHIVE_VCID)) != 0)) return FALSE; /* Cisco ACI Fabric*/ proto_item_append_text(tree, " (Aerohive)"); vendor_tree = proto_item_add_subtree(tree, ett_dhcp_option); while (tvb_reported_length_remaining(tvb, offset) > 0) { offset = dissect_vendor_aerohive_suboption(pinfo, tree, vendor_tree, tvb, offset, tvb_reported_length(tvb)); } return TRUE; } static int dissect_vendor_generic_suboption(packet_info *pinfo, proto_item *v_ti, proto_tree *v_tree, tvbuff_t *tvb, guint32 optoff, guint32 optend) { guint32 suboptoff = optoff; guint8 subopt; guint32 subopt_len; proto_item *item; proto_tree *sub_tree; item = proto_tree_add_item(v_tree, hf_dhcp_vendor_unknown_suboption, tvb, optoff, 1, ENC_NA); subopt = tvb_get_guint8(tvb, optoff); suboptoff+=1; if (suboptoff >= optend) { expert_add_info_format(pinfo, v_ti, &ei_dhcp_missing_subopt_length, "Suboption %d: no room left in option for suboption length", subopt); return (optend); } sub_tree = proto_item_add_subtree(item, ett_dhcp_option125_suboption); proto_tree_add_item_ret_uint(sub_tree, hf_dhcp_suboption_length, tvb, suboptoff, 1, ENC_NA, &subopt_len); suboptoff++; if (suboptoff+subopt_len > optend) { expert_add_info_format(pinfo, item, &ei_dhcp_missing_subopt_value, "Suboption %d: no room left in option for suboption value", subopt); return (optend); } proto_tree_add_item(sub_tree, hf_dhcp_suboption_data, tvb, suboptoff, subopt_len, ENC_NA); suboptoff+= subopt_len; return suboptoff; } static int dissect_dhcpopt_vi_vendor_specific_info(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_) { guint32 offset = 0; guint32 enterprise = 0; guint32 s_end = 0; guint32 option_data_len = 0; proto_item *vti; proto_tree *e_tree; while (tvb_reported_length_remaining(tvb, offset) >= 5) { vti = proto_tree_add_item_ret_uint(tree, hf_dhcp_option125_enterprise, tvb, offset, 4, ENC_BIG_ENDIAN, &enterprise); e_tree = proto_item_add_subtree(vti, ett_dhcp_option); offset += 4; proto_tree_add_item_ret_uint(e_tree, hf_dhcp_option125_length, tvb, offset, 1, ENC_NA, &option_data_len); offset += 1; s_end = offset + option_data_len; if ( tvb_reported_length_remaining(tvb, s_end) < 0 ) { expert_add_info_format(pinfo, vti, &ei_dhcp_option125_enterprise_malformed, "no room left in option for enterprise %u data", enterprise); break; } while (offset < s_end) { tvbuff_t *enterprise_tvb = tvb_new_subset_length(tvb, offset, option_data_len); int bytes_dissected = dissector_try_uint(dhcp_enterprise_table, enterprise, enterprise_tvb, pinfo, e_tree); if (bytes_dissected == 0) { offset = dissect_vendor_generic_suboption(pinfo, vti, e_tree, tvb, offset, s_end); } else{ offset += bytes_dissected; } } } if (tvb_reported_length_remaining(tvb, offset) > 0) { expert_add_info_format(pinfo, tree, &ei_dhcp_bad_length, "length < 5"); } return tvb_captured_length(tvb); } static const value_string option43_alcatel_suboption_vals[] = { { 0, "Padding" }, { 58, "Voice VLAN ID" }, { 64, "Spatial Redundancy TFTP1" }, { 65, "Spatial Redundancy TFTP2" }, { 66, "Application Type" }, { 67, "SIP URL" }, { 255, "Alcatel-Lucent End" }, { 0, NULL} }; static const value_string option43_alcatel_app_type_vals[] = { { 0, "NOE" }, { 1, "SIP" }, { 0, NULL} }; /* Look for 'encapsulated vendor-specific options' */ static gboolean test_encapsulated_vendor_options(tvbuff_t *tvb, int optoff, int optend) { guint8 subopt; guint8 subopt_len; while (optoff < optend) { subopt = tvb_get_guint8(tvb, optoff); optoff++; /* Skip padding */ if (subopt == 0) continue; /* We are done, skip any remaining bytes */ if (subopt == 255) break; /* We expect a length byte next */ if (optoff >= optend) return FALSE; subopt_len = tvb_get_guint8(tvb, optoff); optoff++; /* Check remaining room for suboption in option */ if (optoff + subopt_len > optend) return FALSE; optoff += subopt_len; } return TRUE; } static int dissect_vendor_alcatel_suboption(packet_info *pinfo, proto_item *v_ti, proto_tree *v_tree, tvbuff_t *tvb, int optoff, int optend) { int suboptoff = optoff; guint8 subopt; guint8 subopt_len; proto_item *vti; proto_tree *o43alcatel_v_tree; subopt = tvb_get_guint8(tvb, optoff); suboptoff++; if (subopt == 0) { proto_tree_add_item(v_tree, hf_dhcp_option43_alcatel_padding, tvb, optoff, 1, ENC_BIG_ENDIAN); return (suboptoff); } else if (subopt == 255) { /* End Option */ proto_tree_add_item(v_tree, hf_dhcp_option43_alcatel_end, tvb, optoff, 1, ENC_BIG_ENDIAN); /* Make sure we skip any junk left this option */ return (optend); } if (suboptoff >= optend) { expert_add_info_format(pinfo, v_ti, &ei_dhcp_missing_subopt_length, "Suboption %d: no room left in option for suboption length", subopt); return (optend); } subopt_len = tvb_get_guint8(tvb, suboptoff); vti = proto_tree_add_uint_format_value(v_tree, hf_dhcp_option43_alcatel_suboption, tvb, optoff, subopt_len+2, subopt, "(%d) %s", subopt, val_to_str_const(subopt, option43_alcatel_suboption_vals, "Unknown")); o43alcatel_v_tree = proto_item_add_subtree(vti, ett_dhcp_option43_suboption); proto_tree_add_item(o43alcatel_v_tree, hf_dhcp_suboption_length, tvb, suboptoff, 1, ENC_BIG_ENDIAN); suboptoff++; if (suboptoff+subopt_len > optend) { expert_add_info_format(pinfo, vti, &ei_dhcp_missing_subopt_value, "Suboption %d: no room left in option for suboption value", subopt); return (optend); } switch (subopt) { case 58: /* 0x3A - Alcatel-Lucent AVA VLAN Id */ if (subopt_len != 2) { expert_add_info_format(pinfo, vti, &ei_dhcp_bad_length, "length isn't 2"); return (optend); } proto_tree_add_item(o43alcatel_v_tree, hf_dhcp_option43_alcatel_vlan_id, tvb, suboptoff, 2, ENC_BIG_ENDIAN); break; case 64: /* 0x40 - Alcatel-Lucent TFTP1 */ if (subopt_len != 4) { expert_add_info_format(pinfo, vti, &ei_dhcp_bad_length, "length isn't 4"); return (optend); } proto_tree_add_item(o43alcatel_v_tree, hf_dhcp_option43_alcatel_tftp1, tvb, suboptoff, 4, ENC_BIG_ENDIAN); break; case 65: /* 0x41 - Alcatel-Lucent TFTP2 */ if (subopt_len != 4) { expert_add_info_format(pinfo, vti, &ei_dhcp_bad_length, "length isn't 4"); return (optend); } proto_tree_add_item(o43alcatel_v_tree, hf_dhcp_option43_alcatel_tftp2, tvb, suboptoff, 4, ENC_BIG_ENDIAN); break; case 66: /* 0x42 - Alcatel-Lucent APPLICATION TYPE */ if (subopt_len != 1) { expert_add_info_format(pinfo, vti, &ei_dhcp_bad_length, "length isn't 1"); return (optend); } proto_tree_add_item(o43alcatel_v_tree, hf_dhcp_option43_alcatel_app_type, tvb, suboptoff, 1, ENC_BIG_ENDIAN); break; case 67: /* 0x43 - Alcatel-Lucent SIP URL */ proto_tree_add_item(o43alcatel_v_tree, hf_dhcp_option43_alcatel_sip_url, tvb, suboptoff, subopt_len, ENC_ASCII); break; default: expert_add_info_format(pinfo, vti, &hf_dhcp_subopt_unknown_type, "ERROR, please report: Unknown subopt type handler %d", subopt); return optend; } optoff += (subopt_len + 2); return optoff; } static gboolean dissect_alcatel_lucent_vendor_info_heur( tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_) { int offset = 0; guint8 s_option; proto_tree* vendor_tree; if (tvb_reported_length(tvb) < 1) return FALSE; s_option = tvb_get_guint8(tvb, offset); if ((s_option==58 || s_option==64 || s_option==65 || s_option==66 || s_option==67) && test_encapsulated_vendor_options(tvb, offset, tvb_reported_length(tvb))) { /* Alcatel-Lucent DHCP Extensions */ proto_item_append_text(tree, " (Alcatel-Lucent)"); vendor_tree = proto_item_add_subtree(tree, ett_dhcp_option); while (tvb_reported_length_remaining(tvb, offset) > 0) { offset = dissect_vendor_alcatel_suboption(pinfo, tree, vendor_tree, tvb, offset, tvb_reported_length(tvb)); } return TRUE; } return FALSE; } static const value_string option63_suboption_vals[] = { { 1, "NWIP does not exist on subnet" }, { 2, "NWIP exists in options area" }, { 3, "NWIP exists in sname/file" }, { 4, "NWIP exists, but too big" }, { 5, "Broadcast for nearest Netware server" }, { 6, "Preferred DSS server" }, { 7, "Nearest NWIP server" }, { 8, "Autoretries" }, { 9, "Autoretry delay, secs" }, { 10, "Support NetWare/IP v1.1" }, { 11, "Primary DSS" }, { 0, NULL } }; static int dissect_netware_ip_suboption(packet_info *pinfo, proto_item *v_ti, proto_tree *v_tree, tvbuff_t *tvb, int optoff, int optend) { int suboptoff = optoff; guint8 subopt, subopt_len; proto_tree *o63_v_tree; proto_item *vti, *ti; struct basic_types_hfs default_hfs = { NULL, &hf_dhcp_option63_value_ip_address, &hf_dhcp_option63_value_ip_address, NULL, &hf_dhcp_option63_value_boolean, &hf_dhcp_option63_value_8, NULL, NULL, NULL, NULL, NULL }; static struct opt_info o63_opt[]= { /* 0 */ {"",none,NULL}, /* 1 */ {"NWIP does not exist on subnet",presence,NULL}, /* 2 */ {"NWIP exists in options area",presence,NULL}, /* 3 */ {"NWIP exists in sname/file",presence,NULL}, /* 4 */ {"NWIP exists, but too big",presence,NULL}, /* 5 */ {"Broadcast for nearest Netware server",val_boolean, &hf_dhcp_option63_broadcast}, /* 6 */ {"Preferred DSS server",ipv4_list,&hf_dhcp_option63_preferred_dss_server}, /* 7 */ {"Nearest NWIP server",ipv4_list,&hf_dhcp_option63_nearest_nwip_server}, /* 8 */ {"Autoretries",val_u_byte,&hf_dhcp_option63_autoretries}, /* 9 */ {"Autoretry delay, secs",val_u_byte,&hf_dhcp_option63_autoretry_delay}, /* 10*/ {"Support NetWare/IP v1.1",val_boolean,&hf_dhcp_option63_support_netware_v1_1}, /* 11*/ {"Primary DSS",ipv4,&hf_dhcp_option63_primary_dss} }; subopt = tvb_get_guint8(tvb, optoff); suboptoff++; if (suboptoff >= optend) { expert_add_info_format(pinfo, v_ti, &ei_dhcp_missing_subopt_length, "Suboption %d: no room left in option for suboption length", subopt); return (optend); } subopt_len = tvb_get_guint8(tvb, suboptoff); vti = proto_tree_add_uint_format_value(v_tree, hf_dhcp_option63_suboption, tvb, optoff, subopt_len+2, subopt, "(%d) %s", subopt, val_to_str_const(subopt, option63_suboption_vals, "Unknown")); o63_v_tree = proto_item_add_subtree(vti, ett_dhcp_option63_suboption); proto_tree_add_item(o63_v_tree, hf_dhcp_suboption_length, tvb, suboptoff, 1, ENC_BIG_ENDIAN); suboptoff++; ti = proto_tree_add_item(o63_v_tree, hf_dhcp_option63_value, tvb, suboptoff, subopt_len, ENC_NA); proto_item_set_hidden(ti); if (subopt < array_length(o63_opt)) { if (dhcp_handle_basic_types(pinfo, o63_v_tree, vti, tvb, o63_opt[subopt].ftype, suboptoff, subopt_len, o63_opt[subopt].phf, &default_hfs) == 0) { switch(o63_opt[subopt].ftype) { case presence: if (subopt_len != 0) { expert_add_info_format(pinfo, vti, &ei_dhcp_bad_length, "length isn't 0"); } break; default: if (o63_opt[subopt].phf == NULL) proto_tree_add_item(o63_v_tree, hf_dhcp_option63_value, tvb, suboptoff, subopt_len, ENC_NA); break; } } } optoff += (subopt_len + 2); return optoff; } static int dissect_dhcpopt_netware_ip(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_) { int offset = 0; while (tvb_reported_length_remaining(tvb, offset) > 0) { offset = dissect_netware_ip_suboption(pinfo, tree, tree, tvb, offset, tvb_reported_length(tvb)); } return tvb_captured_length(tvb); } static const value_string option125_tr111_suboption_vals[] = { { 1, "DeviceManufacturerOUI" }, { 2, "DeviceSerialNumber" }, { 3, "DeviceProductClass" }, { 4, "GatewayManufacturerOUI" }, { 5, "GatewaySerialNumber" }, { 6, "GatewayProductClass" }, { 0, NULL } }; static int dissect_vendor_tr111_suboption(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_) { int offset = 0; proto_tree *o125_v_tree; proto_item *vti, *ti; guint8 subopt, subopt_len; struct basic_types_hfs default_hfs = { NULL, NULL, NULL, &hf_dhcp_option125_value_stringz, NULL, NULL, NULL, NULL, NULL, NULL, NULL }; /* Reference: TR-111 DHCP Option 125 Sub-Option Data Fields Page 10. */ static struct opt_info o125_tr111_opt[]= { /* 0 */ {"nop", special, NULL}, /* dummy */ /* 1 */ {"DeviceManufacturerOUI", oui, &hf_dhcp_option125_tr111_device_manufacturer_oui}, /* 2 */ {"DeviceSerialNumber", string, &hf_dhcp_option125_tr111_device_serial_number}, /* 3 */ {"DeviceProductClass", string, &hf_dhcp_option125_tr111_device_product_class}, /* 4 */ {"GatewayManufacturerOUI", string, &hf_dhcp_option125_tr111_gateway_manufacturer_oui}, /* 5 */ {"GatewaySerialNumber", string, &hf_dhcp_option125_tr111_gateway_serial_number}, /* 6 */ {"GatewayProductClass", string, &hf_dhcp_option125_tr111_gateway_product_class}, }; subopt = tvb_get_guint8(tvb, offset); offset++; if (tvb_reported_length_remaining(tvb, offset) < 1) { expert_add_info_format(pinfo, tree, &ei_dhcp_missing_subopt_length, "Suboption %d: no room left in option for suboption length", subopt); return offset; } subopt_len = tvb_get_guint8(tvb, offset); vti = proto_tree_add_uint_format_value(tree, hf_dhcp_option125_tr111_suboption, tvb, offset, subopt_len+2, subopt, "(%d) %s", subopt, val_to_str_const(subopt, option125_tr111_suboption_vals, "Unknown")); o125_v_tree = proto_item_add_subtree(vti, ett_dhcp_option125_tr111_suboption); proto_tree_add_item(o125_v_tree, hf_dhcp_suboption_length, tvb, offset, 1, ENC_BIG_ENDIAN); offset++; if (tvb_reported_length_remaining(tvb, offset) < subopt_len) { expert_add_info_format(pinfo, vti, &ei_dhcp_missing_subopt_value, "Suboption %d: no room left in option for suboption value", subopt); return offset; } ti = proto_tree_add_item(tree, hf_dhcp_option125_value, tvb, offset, subopt_len, ENC_NA); proto_item_set_hidden(ti); if (subopt < array_length(o125_tr111_opt)) { if (dhcp_handle_basic_types(pinfo, o125_v_tree, vti, tvb, o125_tr111_opt[subopt].ftype, offset, subopt_len, o125_tr111_opt[subopt].phf, &default_hfs) == 0) { if (o125_tr111_opt[subopt].ftype == special) { if (o125_tr111_opt[subopt].phf != NULL) proto_tree_add_item(o125_v_tree, *o125_tr111_opt[subopt].phf, tvb, offset, subopt_len, ENC_BIG_ENDIAN); else proto_tree_add_item(o125_v_tree, hf_dhcp_option125_value, tvb, offset, subopt_len, ENC_NA); } else if (o125_tr111_opt[subopt].ftype == oui) { /* Get hex string. Expecting 6 characters. */ const gchar *oui_string = (gchar *)tvb_get_string_enc(pinfo->pool, tvb, offset, subopt_len, ENC_ASCII); /* Convert to OUI number. Only 3 bytes so no data lost in downcast. */ guint32 oui_number = (guint32)strtol(oui_string, NULL, 16); /* Add item using oui_vals */ proto_tree_add_uint(o125_v_tree, *o125_tr111_opt[subopt].phf, tvb, offset, subopt_len, oui_number); } else if (o125_tr111_opt[subopt].phf == NULL) proto_tree_add_item(o125_v_tree, hf_dhcp_option125_value, tvb, offset, subopt_len, ENC_NA); } } return subopt_len + 2; } static const value_string option125_cl_suboption_vals[] = { { 1, "Option Request" }, { 2, "TFTP Server Addresses" }, { 3, "eRouter Container Option" }, { 4, "MIB Environment Indicator Option" }, { 5, "Modem Capabilities" }, { 0, NULL } }; static const value_string pkt_mib_env_ind_opt_vals[] = { { 0x00, "Reserved" }, { 0x01, "CableLabs" }, { 0x02, "IETF" }, { 0x03, "EuroCableLabs" }, { 0, NULL } }; static int dissect_vendor_cl_suboption(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_) { int offset = 0; guint8 subopt, subopt_len; proto_tree *o125_v_tree; proto_item *vti; struct basic_types_hfs default_hfs = { &hf_dhcp_option125_value, &hf_dhcp_option125_value_ip_address, &hf_dhcp_option125_value_ip_address, &hf_dhcp_option125_value_stringz, NULL, &hf_dhcp_option125_value_8, &hf_dhcp_option125_value_16, NULL, NULL, NULL, NULL }; static struct opt_info o125_cl_opt[]= { /* 0 */ {"nop", special, NULL}, /* dummy */ /* 1 */ {"Option Request = ", bytes, &hf_dhcp_option125_cl_option_request}, /* 2 */ {"TFTP Server Addresses : ", ipv4_list, &hf_dhcp_option125_cl_tftp_server_addresses}, /* 3 */ {"eRouter Container Option : ", bytes, &hf_dhcp_option125_cl_erouter_container_option}, /* 4 */ {"MIB Environment Indicator Option = ", val_u_byte, &hf_dhcp_option125_cl_mib_environment_indicator_option}, /* 5 */ {"Modem Capabilities : ", special, &hf_dhcp_option125_cl_modem_capabilities}, }; subopt = tvb_get_guint8(tvb, offset); offset++; if (tvb_reported_length_remaining(tvb, offset) < 1) { expert_add_info_format(pinfo, tree, &ei_dhcp_missing_subopt_length, "Suboption %d: no room left in option for suboption length", subopt); return offset; } subopt_len = tvb_get_guint8(tvb, offset); vti = proto_tree_add_uint_format_value(tree, hf_dhcp_option125_cl_suboption, tvb, offset, subopt_len+2, subopt, "(%d) %s", subopt, val_to_str_const(subopt, option125_cl_suboption_vals, "Unknown")); o125_v_tree = proto_item_add_subtree(vti, ett_dhcp_option125_cl_suboption); proto_tree_add_item(o125_v_tree, hf_dhcp_suboption_length, tvb, offset, 1, ENC_BIG_ENDIAN); offset++; if (tvb_reported_length_remaining(tvb, offset) < subopt_len) { expert_add_info_format(pinfo, vti, &ei_dhcp_missing_subopt_value, "Suboption %d: no room left in option for suboption value", subopt); return offset; } if (subopt < array_length(o125_cl_opt)) { if (dhcp_handle_basic_types(pinfo, o125_v_tree, vti, tvb, o125_cl_opt[subopt].ftype, offset, subopt_len, o125_cl_opt[subopt].phf, &default_hfs) == 0) { switch(o125_cl_opt[subopt].ftype) { case special: if (o125_cl_opt[subopt].phf != NULL) proto_tree_add_item(o125_v_tree, *o125_cl_opt[subopt].phf, tvb, offset, subopt_len, ENC_BIG_ENDIAN); else proto_tree_add_item(o125_v_tree, hf_dhcp_option125_value, tvb, offset, subopt_len, ENC_NA); switch(subopt){ case 5: /* Modem Capabilities */ dissect_docsis_cm_cap(pinfo, o125_v_tree, tvb, offset-2, subopt_len+2, TRUE); break; } break; default: if (o125_cl_opt[subopt].phf == NULL) proto_tree_add_item(o125_v_tree, hf_dhcp_option125_value, tvb, offset, subopt_len, ENC_NA); break; } } } return subopt_len + 2; } /* PacketCable Multimedia Terminal Adapter device capabilities (option 60). Ref: PKT-SP-I05-021127 sections 8.2 and 10 */ #define PKT_MDC_TLV_OFF 10 /* These are ASCII-encoded hexadecimal digits. We use the raw hex equivalent for convenience. */ #define PKT_MDC_VERSION 0x3031 /* "01" */ #define PKT_MDC_TEL_END 0x3032 /* "02" */ #define PKT_MDC_TGT 0x3033 /* "03" */ #define PKT_MDC_HTTP_ACC 0x3034 /* "04" */ #define PKT_MDC_SYSLOG 0x3035 /* "05" */ #define PKT_MDC_NCS 0x3036 /* "06" */ #define PKT_MDC_PRI_LINE 0x3037 /* "07" */ #define PKT_MDC_VENDOR_TLV 0x3038 /* "08" */ #define PKT_MDC_NVRAM_STOR 0x3039 /* "09" */ #define PKT_MDC_PROV_REP 0x3041 /* "0A" */ #define PKT_MDC_PROV_REP_LC 0x3061 /* "0a" */ #define PKT_MDC_SUPP_CODECS 0x3042 /* "0B" */ #define PKT_MDC_SUPP_CODECS_LC 0x3062 /* "0b" */ #define PKT_MDC_SILENCE 0x3043 /* "0C" */ #define PKT_MDC_SILENCE_LC 0x3063 /* "0c" */ #define PKT_MDC_ECHO_CANCEL 0x3044 /* "0D" */ #define PKT_MDC_ECHO_CANCEL_LC 0x3064 /* "0d" */ #define PKT_MDC_RSVP 0x3045 /* "0E" */ #define PKT_MDC_RSVP_LC 0x3065 /* "0e" */ #define PKT_MDC_UGS_AD 0x3046 /* "0F" */ #define PKT_MDC_UGS_AD_LC 0x3066 /* "0f" */ #define PKT_MDC_IF_INDEX 0x3130 /* "10" */ #define PKT_MDC_FLOW_LOG 0x3131 /* "11" */ #define PKT_MDC_PROV_FLOWS 0x3132 /* "12" */ /* PacketCable 1.5: */ #define PKT_MDC_T38_VERSION 0x3133 /* "13" */ #define PKT_MDC_T38_EC 0x3134 /* "14" */ #define PKT_MDC_RFC2833_DTMF 0x3135 /* "15" */ #define PKT_MDC_VOICE_METRICS 0x3136 /* "16" */ #define PKT_MDC_MIBS 0x3137 /* "17" */ #define PKT_MDC_MGPI 0x3138 /* "18" */ #define PKT_MDC_V152 0x3139 /* "19" */ #define PKT_MDC_CBS 0x3141 /* "1A" */ #define PKT_MDC_CBS_LC 0x3161 /* "1a" */ static const value_string pkt_mdc_type_vals[] = { { PKT_MDC_VERSION, "PacketCable Version" }, { PKT_MDC_TEL_END, "Number Of Telephony Endpoints" }, { PKT_MDC_TGT, "TGT Support" }, { PKT_MDC_HTTP_ACC, "HTTP Download File Access Method Support" }, { PKT_MDC_SYSLOG, "MTA-24 Event SYSLOG Notification Support" }, { PKT_MDC_NCS, "NCS Service Flow Support" }, { PKT_MDC_PRI_LINE, "Primary Line Support" }, { PKT_MDC_VENDOR_TLV, "Vendor Specific TLV Type(s)" }, { PKT_MDC_NVRAM_STOR, "NVRAM Ticket/Session Keys Storage Support" }, { PKT_MDC_PROV_REP, "Provisioning Event Reporting Support" }, { PKT_MDC_PROV_REP_LC, "Provisioning Event Reporting Support" }, { PKT_MDC_SUPP_CODECS, "Supported CODEC(s)" }, { PKT_MDC_SUPP_CODECS_LC, "Supported CODEC(s)" }, { PKT_MDC_SILENCE, "Silence Suppression Support" }, { PKT_MDC_SILENCE_LC, "Silence Suppression Support" }, { PKT_MDC_ECHO_CANCEL, "Echo Cancellation Support" }, { PKT_MDC_ECHO_CANCEL_LC, "Echo Cancellation Support" }, { PKT_MDC_RSVP, "RSVP Support/ Reserved" }, { PKT_MDC_RSVP_LC, "RSVP Support/ Reserved" }, { PKT_MDC_UGS_AD, "UGS-AD Support" }, { PKT_MDC_UGS_AD_LC, "UGS-AD Support" }, { PKT_MDC_IF_INDEX, "MTA's \"ifIndex\" starting number in \"ifTable\"" }, { PKT_MDC_FLOW_LOG, "Provisioning Flow Logging Support" }, { PKT_MDC_PROV_FLOWS, "Supported Provisioning Flows" }, /* PacketCable 1.5: */ { PKT_MDC_T38_VERSION, "T38 Version Support" }, { PKT_MDC_T38_EC, "T38 Error Correction Support" }, { PKT_MDC_RFC2833_DTMF, "RFC 2833 DTMF Support" }, { PKT_MDC_VOICE_METRICS, "Voice Metrics Support" }, { PKT_MDC_MIBS, "MIB Support" }, { PKT_MDC_MGPI, "Multiple Grants Per Interval Support" }, { PKT_MDC_V152, "V.152 Support" }, /* PacketCable 2.0: */ { PKT_MDC_CBS, "Certificate Bootstrapping Support" }, { PKT_MDC_CBS_LC, "Certificate Bootstrapping Support" }, { 0, NULL } }; static const value_string pkt_mdc_version_vals[] = { { 0x3030, "PacketCable 1.0" }, { 0x3031, "PacketCable 1.1/1.5" }, /* 1.5 replaces 1.1-1.3 */ { 0x3032, "PacketCable 2.0" }, { 0, NULL } }; static const value_string pkt_mdc_boolean_vals[] = { { 0x3030, "No" }, { 0x3031, "Yes" }, { 0, NULL } }; static const value_string pkt_mdc_codec_vals[] = { { 0x3031, "other" }, /* "01" */ { 0x3032, "unknown" }, { 0x3033, "G.729" }, { 0x3034, "reserved" }, { 0x3035, "G.729E" }, { 0x3036, "PCMU" }, { 0x3037, "G.726-32" }, { 0x3038, "G.728" }, { 0x3039, "PCMA" }, /* "09" */ { 0x3041, "G.726-16" }, /* "0A" */ { 0x3042, "G.726-24" }, { 0x3043, "G.726-40" }, { 0x3044, "iLBC" }, { 0x3045, "BV16" }, { 0x3046, "telephone-event" }, /* "0F" */ { 0, NULL } }; static const value_string pkt_mdc_t38_version_vals[] = { { 0x3030, "Unsupported" }, { 0x3031, "T.38 Version Zero" }, /* default */ { 0x3032, "T.38 Version One" }, { 0x3033, "T.38 Version Two" }, { 0x3035, "T.38 Version Three" }, { 0, NULL } }; static const value_string pkt_mdc_t38_ec_vals[] = { { 0x3030, "None" }, { 0x3031, "Redundancy" }, /* default */ { 0x3032, "FEC" }, { 0, NULL } }; static const value_string pkt_mdc_mib_orgs[] = { { 0x3030, "CableLabs" }, { 0x3031, "IETF" }, { 0x3032, "EuroCableLabs" }, { 0x3033, "Reserved" }, { 0x3034, "Reserved" }, { 0x3035, "Reserved" }, { 0x3036, "Reserved" }, { 0x3037, "Reserved" }, { 0x3038, "Reserved" }, { 0x3039, "Reserved" }, { 0, NULL } }; static int hf_dhcp_pkt_mdc_supp_flow_secure = -1; static int hf_dhcp_pkt_mdc_supp_flow_hybrid = -1; static int hf_dhcp_pkt_mdc_supp_flow_basic = -1; #define PKT_MDC_MIB_CL 0x3030 static int hf_dhcp_pkt_mdc_mib_cl_mta = -1; static int hf_dhcp_pkt_mdc_mib_cl_signaling = -1; static int hf_dhcp_pkt_mdc_mib_cl_management_event = -1; static int hf_dhcp_pkt_mdc_mib_cl_mta_extension = -1; static int hf_dhcp_pkt_mdc_mib_cl_mta_signaling_extension = -1; static int hf_dhcp_pkt_mdc_mib_cl_mta_mem_extension = -1; static int hf_dhcp_pkt_mdc_mib_cl_reserved = -1; #define PKT_MDC_MIB_IETF 0x3031 static int hf_dhcp_pkt_mdc_mib_ietf_mta = -1; static int hf_dhcp_pkt_mdc_mib_ietf_signaling = -1; static int hf_dhcp_pkt_mdc_mib_ietf_management_event = -1; static int hf_dhcp_pkt_mdc_mib_ietf_reserved = -1; #define PKT_MDC_MIB_EURO 0x3032 static int hf_dhcp_pkt_mdc_mib_euro_mta = -1; static int hf_dhcp_pkt_mdc_mib_euro_signaling = -1; static int hf_dhcp_pkt_mdc_mib_euro_management_event = -1; static int hf_dhcp_pkt_mdc_mib_euro_mta_extension = -1; static int hf_dhcp_pkt_mdc_mib_euro_mta_signaling_extension = -1; static int hf_dhcp_pkt_mdc_mib_euro_mta_mem_extension = -1; static int hf_dhcp_pkt_mdc_mib_euro_reserved = -1; static void dissect_packetcable_mta_cap(proto_tree *v_tree, packet_info *pinfo, tvbuff_t *tvb, int voff, int len) { guint16 raw_val; guint32 flow_val = 0; int off = PKT_MDC_TLV_OFF + voff; int subopt_off, max_len; guint tlv_len, i, mib_val; guint8 flow_val_str[5]; guint8 *asc_val; proto_item *ti, *mib_ti; proto_tree *subtree, *subtree2; asc_val = tvb_get_string_enc(pinfo->pool, tvb, off, 2, ENC_ASCII); if (sscanf((gchar*)asc_val, "%x", &tlv_len) != 1 || tlv_len > 0xff) { proto_tree_add_expert_format(v_tree, pinfo, &ei_dhcp_bad_length, tvb, off, len - off, "Bogus length: %s", format_text_string(pinfo->pool, asc_val)); return; } else { proto_tree_add_uint(v_tree, hf_dhcp_pkt_mta_cap_len, tvb, off, 2, tlv_len); off += 2; while (off - voff < len) { /* Type */ raw_val = tvb_get_ntohs (tvb, off); /* Length */ asc_val = tvb_get_string_enc(pinfo->pool, tvb, off + 2, 2, ENC_ASCII); if (sscanf((gchar*)asc_val, "%x", &tlv_len) != 1 || tlv_len < 1 || tlv_len > G_MAXUINT16) { proto_tree_add_expert_format(v_tree, pinfo, &ei_dhcp_bad_length, tvb, off, len - off, "Bogus length: %s", format_text_string(pinfo->pool, asc_val)); return; } else { /* Value(s) */ ti = proto_tree_add_uint_format(v_tree, hf_dhcp_pkt_mta_cap_type, tvb, off, 2, raw_val, "0x%s: %s = ", tvb_format_text(pinfo->pool, tvb, off, 2), val_to_str_const(raw_val, pkt_mdc_type_vals, "unknown")); proto_item_set_len(ti, (tlv_len * 2) + 4); switch (raw_val) { case PKT_MDC_VERSION: raw_val = tvb_get_ntohs(tvb, off + 4); proto_item_append_text(ti, "%s (%s)", val_to_str_const(raw_val, pkt_mdc_version_vals, "Reserved"), tvb_format_stringzpad(pinfo->pool, tvb, off + 4, 2) ); break; case PKT_MDC_TEL_END: case PKT_MDC_IF_INDEX: proto_item_append_text(ti, "%s", tvb_format_stringzpad(pinfo->pool, tvb, off + 4, 2) ); break; case PKT_MDC_TGT: case PKT_MDC_HTTP_ACC: case PKT_MDC_SYSLOG: case PKT_MDC_NCS: case PKT_MDC_PRI_LINE: case PKT_MDC_NVRAM_STOR: case PKT_MDC_PROV_REP: case PKT_MDC_PROV_REP_LC: case PKT_MDC_SILENCE: case PKT_MDC_SILENCE_LC: case PKT_MDC_ECHO_CANCEL: case PKT_MDC_ECHO_CANCEL_LC: case PKT_MDC_RSVP: case PKT_MDC_RSVP_LC: case PKT_MDC_UGS_AD: case PKT_MDC_UGS_AD_LC: case PKT_MDC_FLOW_LOG: case PKT_MDC_RFC2833_DTMF: case PKT_MDC_VOICE_METRICS: case PKT_MDC_MGPI: case PKT_MDC_V152: case PKT_MDC_CBS: case PKT_MDC_CBS_LC: raw_val = tvb_get_ntohs(tvb, off + 4); proto_item_append_text(ti, "%s (%s)", val_to_str_const(raw_val, pkt_mdc_boolean_vals, "unknown"), tvb_format_stringzpad(pinfo->pool, tvb, off + 4, 2) ); break; case PKT_MDC_SUPP_CODECS: case PKT_MDC_SUPP_CODECS_LC: for (i = 0; i < tlv_len; i++) { raw_val = tvb_get_ntohs(tvb, off + 4 + (i * 2) ); proto_item_append_text(ti, "%s%s (%s)", plurality(i + 1, "", ", "), val_to_str_const(raw_val, pkt_mdc_codec_vals, "unknown"), tvb_format_stringzpad(pinfo->pool, tvb, off + 4 + (i * 2), 2) ); } break; case PKT_MDC_PROV_FLOWS: tvb_memcpy(tvb, flow_val_str, off + 4, 4); flow_val_str[4] = '\0'; /* We are only reading 4 digits which should fit in 32 bits */ flow_val = (guint32)strtoul((gchar*)flow_val_str, NULL, 16); proto_item_append_text(ti, "0x%04x", flow_val); break; case PKT_MDC_T38_VERSION: raw_val = tvb_get_ntohs(tvb, off + 4); proto_item_append_text(ti, "%s (%s)", val_to_str_const(raw_val, pkt_mdc_t38_version_vals, "unknown"), tvb_format_stringzpad(pinfo->pool, tvb, off + 4, 2) ); break; case PKT_MDC_T38_EC: raw_val = tvb_get_ntohs(tvb, off + 4); proto_item_append_text(ti, "%s (%s)", val_to_str_const(raw_val, pkt_mdc_t38_ec_vals, "unknown"), tvb_format_stringzpad(pinfo->pool, tvb, off + 4, 2) ); break; case PKT_MDC_MIBS: break; case PKT_MDC_VENDOR_TLV: default: proto_item_append_text(ti, "%s", tvb_format_stringzpad(pinfo->pool, tvb, off + 4, tlv_len * 2) ); break; } } subtree = proto_item_add_subtree(ti, ett_dhcp_option); if (raw_val == PKT_MDC_PROV_FLOWS) { static int * const flows[] = { &hf_dhcp_pkt_mdc_supp_flow_secure, &hf_dhcp_pkt_mdc_supp_flow_hybrid, &hf_dhcp_pkt_mdc_supp_flow_basic, NULL }; proto_tree_add_bitmask_list_value(subtree, tvb, off + 4, 4, flows, flow_val); } else if (raw_val == PKT_MDC_MIBS) { /* 17 06 02 00 38 02 01 07 */ subopt_off = off + 4; max_len = subopt_off + (tlv_len * 2); while (subopt_off < max_len) { raw_val = tvb_get_ntohs(tvb, subopt_off); if (raw_val != 0x3032) { /* We only know how to handle a length of 2 */ asc_val = tvb_get_string_enc(pinfo->pool, tvb, subopt_off, 2, ENC_ASCII); proto_tree_add_expert_format(subtree, pinfo, &ei_dhcp_bad_length, tvb, subopt_off, 2, "Bogus length: %s", format_text_string(pinfo->pool, asc_val)); return; } subopt_off += 2; raw_val = tvb_get_ntohs(tvb, subopt_off); asc_val = tvb_get_string_enc(pinfo->pool, tvb, subopt_off, 2, ENC_ASCII); subtree2 = proto_tree_add_subtree_format(subtree, tvb, subopt_off, 2, ett_dhcp_option, &mib_ti, "%s (%s)", val_to_str_const(raw_val, pkt_mdc_mib_orgs, "Unknown"), format_text_string(pinfo->pool, asc_val)); if (subopt_off > off + 4 + 2) { proto_item_append_text(ti, ", "); } proto_item_append_text(ti, "%s", val_to_str_const(raw_val, pkt_mdc_mib_orgs, "Unknown")); subopt_off += 2; asc_val = tvb_get_string_enc(pinfo->pool, tvb, subopt_off, 2, ENC_ASCII); if (sscanf((gchar*)asc_val, "%x", &mib_val) != 1) { proto_tree_add_expert_format(v_tree, pinfo, &ei_dhcp_bad_bitfield, tvb, subopt_off, 2, "Bogus bitfield: %s", format_text_string(pinfo->pool, asc_val)); return; } switch (raw_val) { case PKT_MDC_MIB_CL: { static int * const cl_flags[] = { &hf_dhcp_pkt_mdc_mib_cl_mta, &hf_dhcp_pkt_mdc_mib_cl_signaling, &hf_dhcp_pkt_mdc_mib_cl_management_event, &hf_dhcp_pkt_mdc_mib_cl_mta_extension, &hf_dhcp_pkt_mdc_mib_cl_mta_signaling_extension, &hf_dhcp_pkt_mdc_mib_cl_mta_mem_extension, &hf_dhcp_pkt_mdc_mib_cl_reserved, NULL }; proto_tree_add_bitmask_list_value(subtree2, tvb, subopt_off, 2, cl_flags, mib_val); } break; case PKT_MDC_MIB_IETF: { static int * const ietf_flags[] = { &hf_dhcp_pkt_mdc_mib_ietf_mta, &hf_dhcp_pkt_mdc_mib_ietf_signaling, &hf_dhcp_pkt_mdc_mib_ietf_management_event, &hf_dhcp_pkt_mdc_mib_ietf_reserved, NULL }; proto_tree_add_bitmask_list_value(subtree2, tvb, subopt_off, 2, ietf_flags, mib_val); } break; case PKT_MDC_MIB_EURO: { static int * const euro_flags[] = { &hf_dhcp_pkt_mdc_mib_euro_mta, &hf_dhcp_pkt_mdc_mib_euro_signaling, &hf_dhcp_pkt_mdc_mib_euro_management_event, &hf_dhcp_pkt_mdc_mib_euro_mta_extension, &hf_dhcp_pkt_mdc_mib_euro_mta_signaling_extension, &hf_dhcp_pkt_mdc_mib_euro_mta_mem_extension, &hf_dhcp_pkt_mdc_mib_euro_reserved, NULL }; proto_tree_add_bitmask_list_value(subtree2, tvb, subopt_off, 2, euro_flags, mib_val); } break; default: break; } subopt_off += 2; } } off += (tlv_len * 2) + 4; } } } static gboolean dissect_packetcable_mta_vendor_id_heur( tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_ ) { guint8* vendor_id; if (tvb_reported_length(tvb) < 8) { return FALSE; } vendor_id = tvb_get_string_enc(pinfo->pool, tvb, 0, 8, ENC_ASCII|ENC_NA); if ((strcmp((const char*)vendor_id, PACKETCABLE_MTA_CAP10) == 0) || (strcmp((const char*)vendor_id, PACKETCABLE_MTA_CAP15) == 0) || (strcmp((const char*)vendor_id, PACKETCABLE_MTA_CAP20) == 0)) { dissect_packetcable_mta_cap(tree, pinfo, tvb, 0, tvb_reported_length(tvb)); return TRUE; } return FALSE; } /* DOCSIS Cable Modem device capabilities (option 60/option 125). */ #define DOCSIS_CM_CAP_TLV_OFF 12 #define DOCSIS_CM_CAP_CONCAT_SUP 0x01 #define DOCSIS_CM_CAP_DOCSIS_VER 0x02 #define DOCSIS_CM_CAP_FRAG_SUP 0x03 #define DOCSIS_CM_CAP_PHS_SUP 0x04 #define DOCSIS_CM_CAP_IGMP_SUP 0x05 #define DOCSIS_CM_CAP_PRIV_SUP 0x06 #define DOCSIS_CM_CAP_DSAID_SUP 0x07 #define DOCSIS_CM_CAP_USSF_SUP 0x08 #define DOCSIS_CM_CAP_FILT_SUP 0x09 #define DOCSIS_CM_CAP_TET_MI 0x0a #define DOCSIS_CM_CAP_TET 0x0b #define DOCSIS_CM_CAP_DCC_SUP 0x0c #define DOCSIS_CM_CAP_IPFILT_SUP 0x0d #define DOCSIS_CM_CAP_LLCFILT_SUP 0x0e #define DOCSIS_CM_CAP_EXPUNI_SPACE 0x0f #define DOCSIS_CM_CAP_RNGHLDOFF_SUP 0x10 #define DOCSIS_CM_CAP_L2VPN_SUP 0x11 #define DOCSIS_CM_CAP_L2VPN_HOST_SUP 0x12 #define DOCSIS_CM_CAP_DUTFILT_SUP 0x13 #define DOCSIS_CM_CAP_USFREQRNG_SUP 0x14 #define DOCSIS_CM_CAP_USSYMRATE_SUP 0x15 #define DOCSIS_CM_CAP_SACM2_SUP 0x16 #define DOCSIS_CM_CAP_SACM2HOP_SUP 0x17 #define DOCSIS_CM_CAP_MULTTXCHAN_SUP 0x18 #define DOCSIS_CM_CAP_512USTXCHAN_SUP 0x19 #define DOCSIS_CM_CAP_256USTXCHAN_SUP 0x1a #define DOCSIS_CM_CAP_TOTALSIDCLU_SUP 0x1b #define DOCSIS_CM_CAP_SIDCLUPERSF_SUP 0x1c #define DOCSIS_CM_CAP_MULTRXCHAN_SUP 0x1d #define DOCSIS_CM_CAP_TOTALDSID_SUP 0x1e #define DOCSIS_CM_CAP_RESEQDSID_SUP 0x1f #define DOCSIS_CM_CAP_MULTDSID_SUP 0x20 #define DOCSIS_CM_CAP_MULTDSIDFW_SUP 0x21 #define DOCSIS_CM_CAP_FCTF_SUP 0x22 #define DOCSIS_CM_CAP_DPV_SUP 0x23 #define DOCSIS_CM_CAP_UGSPERUSFLOW_SUP 0x24 #define DOCSIS_CM_CAP_MAPUCDRECEIPT_SUP 0x25 #define DOCSIS_CM_CAP_USDROPCLASSIF_SUP 0x26 #define DOCSIS_CM_CAP_IPV6_SUP 0x27 #define DOCSIS_CM_CAP_ExUsTrPow 0x28 #define DOCSIS_CM_CAP_Opt802MPLSSup 0x29 #define DOCSIS_CM_CAP_DounEnc 0x2a #define DOCSIS_CM_CAP_EnrgMang 0x2c static const value_string docsis_cm_cap_type_vals[] = { { DOCSIS_CM_CAP_CONCAT_SUP, "Concatenation Support" }, { DOCSIS_CM_CAP_DOCSIS_VER, "DOCSIS Version" }, { DOCSIS_CM_CAP_FRAG_SUP, "Fragmentation Support" }, { DOCSIS_CM_CAP_PHS_SUP, "Payload Header Suppression Support" }, { DOCSIS_CM_CAP_IGMP_SUP, "IGMP Support" }, { DOCSIS_CM_CAP_PRIV_SUP, "Privacy Support" }, { DOCSIS_CM_CAP_DSAID_SUP, "Downstream SAID Support" }, { DOCSIS_CM_CAP_USSF_SUP, "Upstream Service Flow Support" }, { DOCSIS_CM_CAP_FILT_SUP, "Optional Filtering Support" }, { DOCSIS_CM_CAP_TET_MI, "Transmit Equalizer Taps per Modulation Interval" }, { DOCSIS_CM_CAP_TET, "Number of Transmit Equalizer Taps" }, { DOCSIS_CM_CAP_DCC_SUP, "DCC Support" }, { DOCSIS_CM_CAP_IPFILT_SUP, "IP Filters Support" }, { DOCSIS_CM_CAP_LLCFILT_SUP, "LLC Filters Support" }, { DOCSIS_CM_CAP_EXPUNI_SPACE, "Expanded Unicast SID Space" }, { DOCSIS_CM_CAP_RNGHLDOFF_SUP, "Ranging Hold-Off Support" }, { DOCSIS_CM_CAP_L2VPN_SUP, "L2VPN Capability" }, { DOCSIS_CM_CAP_L2VPN_HOST_SUP, "L2VPN eSAFE Host Capability" }, { DOCSIS_CM_CAP_DUTFILT_SUP, "Downstream Unencrypted Traffic (DUT) Filtering" }, { DOCSIS_CM_CAP_USFREQRNG_SUP, "Upstream Frequency Range Support" }, { DOCSIS_CM_CAP_USSYMRATE_SUP, "Upstream Symbol Rate Support" }, { DOCSIS_CM_CAP_SACM2_SUP, "Selectable Active Code Mode 2 Support" }, { DOCSIS_CM_CAP_SACM2HOP_SUP, "Code Hopping Mode 2 Support" }, { DOCSIS_CM_CAP_MULTTXCHAN_SUP, "Multiple Transmit Channel Support" }, { DOCSIS_CM_CAP_512USTXCHAN_SUP, "5.12 Msps Upstream Transmit Channel Support" }, { DOCSIS_CM_CAP_256USTXCHAN_SUP, "2.56 Msps Upstream Transmit Channel Support" }, { DOCSIS_CM_CAP_TOTALSIDCLU_SUP, "Total SID Cluster Support" }, { DOCSIS_CM_CAP_SIDCLUPERSF_SUP, "SID Clusters per Service Flow Support" }, { DOCSIS_CM_CAP_MULTRXCHAN_SUP, "Multiple Receive Channel Support" }, { DOCSIS_CM_CAP_TOTALDSID_SUP, "Total Downstream Service ID (DSID) Support" }, { DOCSIS_CM_CAP_RESEQDSID_SUP, "Resequencing Downstream Service ID (DSID) Support" }, { DOCSIS_CM_CAP_MULTDSID_SUP, "Multicast Downstream Service ID (DSID) Support" }, { DOCSIS_CM_CAP_MULTDSIDFW_SUP, "Multicast DSID Forwarding" }, { DOCSIS_CM_CAP_FCTF_SUP, "Frame Control Type Forwarding Capability" }, { DOCSIS_CM_CAP_DPV_SUP, "DPV Capability" }, { DOCSIS_CM_CAP_UGSPERUSFLOW_SUP, "Unsolicited Grant Service/Upstream Service Flow Support" }, { DOCSIS_CM_CAP_MAPUCDRECEIPT_SUP, "MAP and UCD Receipt Support" }, { DOCSIS_CM_CAP_USDROPCLASSIF_SUP, "Upstream Drop Classifier Support" }, { DOCSIS_CM_CAP_IPV6_SUP, "IPv6 Support" }, { DOCSIS_CM_CAP_ExUsTrPow, "Extended Upstream Transmit Power Capability (1/4 dB)" }, { DOCSIS_CM_CAP_Opt802MPLSSup, "Optional 802.1ad, 802.1ah, MPLS Classification Support" }, { DOCSIS_CM_CAP_DounEnc, "D-ONU Capabilities Encoding" }, { DOCSIS_CM_CAP_EnrgMang, "Energy Management Capabilities" }, { 0, NULL } }; static const value_string docsis_cm_cap_supported_vals[] = { { 0x00, "Not Support" }, { 0x01, "Supported" }, { 0, NULL } }; static const value_string docsis_cm_cap_version_vals[] = { { 0x00, "DOCSIS 1.0" }, { 0x01, "DOCSIS 1.1" }, { 0x02, "DOCSIS 2.0" }, { 0x03, "DOCSIS 3.0" }, { 0, NULL } }; static const value_string docsis_cm_cap_privacy_vals[] = { { 0x00, "BPI Support" }, { 0x01, "BPI Plus Support" }, { 0, NULL } }; static int hf_dhcp_docsis_cm_cap_ranging_hold_off_cm = -1; static int hf_dhcp_docsis_cm_cap_ranging_hold_off_eps = -1; static int hf_dhcp_docsis_cm_cap_ranging_hold_off_emta = -1; static int hf_dhcp_docsis_cm_cap_ranging_hold_off_dsg = -1; static const value_string docsis_cm_cap_l2vpn_vals[] = { { 0x00, "CM not compliant with DOCSIS L2VPN Section 7 (default)" }, { 0x01, "CM compliant with DOCSIS L2VPN Section 7" }, { 0, NULL } }; static const value_string docsis_cm_cap_filt_vals[] = { { 0x00, "802.1P Filtering" }, { 0x01, "802.1Q Filtering" }, { 0, NULL } }; static int hf_dhcp_docsis_cm_cap_mpls_stpid = -1; static int hf_dhcp_docsis_cm_cap_mpls_svid = -1; static int hf_dhcp_docsis_cm_cap_mpls_spcp = -1; static int hf_dhcp_docsis_cm_cap_mpls_sdei = -1; static int hf_dhcp_docsis_cm_cap_mpls_ctpid = -1; static int hf_dhcp_docsis_cm_cap_mpls_cvid = -1; static int hf_dhcp_docsis_cm_cap_mpls_cpcp = -1; static int hf_dhcp_docsis_cm_cap_mpls_ccfi = -1; static int hf_dhcp_docsis_cm_cap_mpls_stci = -1; static int hf_dhcp_docsis_cm_cap_mpls_ctci = -1; static int hf_dhcp_docsis_cm_cap_mpls_itpid = -1; static int hf_dhcp_docsis_cm_cap_mpls_isid = -1; static int hf_dhcp_docsis_cm_cap_mpls_itci = -1; static int hf_dhcp_docsis_cm_cap_mpls_ipcp = -1; static int hf_dhcp_docsis_cm_cap_mpls_idei = -1; static int hf_dhcp_docsis_cm_cap_mpls_iuca = -1; static int hf_dhcp_docsis_cm_cap_mpls_btpid = -1; static int hf_dhcp_docsis_cm_cap_mpls_btci = -1; static int hf_dhcp_docsis_cm_cap_mpls_bpcp = -1; static int hf_dhcp_docsis_cm_cap_mpls_bdei = -1; static int hf_dhcp_docsis_cm_cap_mpls_bvid = -1; static int hf_dhcp_docsis_cm_cap_mpls_bda = -1; static int hf_dhcp_docsis_cm_cap_mpls_bsa = -1; static int hf_dhcp_docsis_cm_cap_mpls_tc = -1; static int hf_dhcp_docsis_cm_cap_mpls_label = -1; static const value_string docsis_cm_cap_enrgmang_vals[] = { { 0x00, "Energy Management 1x1 Feature" }, { 0, NULL } }; static const value_string docsis_cm_cap_usfreqrng_vals[] = { { 0x00, "Standard Upstream Frequency Range" }, { 0x01, "Standard Upstream Frequency Range and Extended Upstream Frequency Range" }, { 0, NULL } }; static const value_string docsis_cm_cap_map_ucd_receipt_vals[] = { { 0x00, "CM cannot support the receipt of MAPs and UCDs on downstreams other than the Primary Downstream Channel" }, { 0x01, "CM can support the receipt of MAPs and UCDs on downstreams other than the Primary Downstream Channel" }, { 0, NULL } }; static const value_string docsis_cm_cap_map_dpv_support_vals[] = { { 0x00, "U1 supported as a Start Reference Point for DPV per Path" }, { 0x01, "U1 supported as a Start Reference Point for DPV per Packet" }, { 0, NULL } }; static const value_string docsis_cm_cap_map_multDsidForward_support_vals[] = { { 0x00, "No support for multicast DSID forwarding" }, { 0x01, "Support for GMAC explicit multicast DSID forwarding" }, { 0x02, "Support for GMAC promiscuous multicast DSID forwarding" }, { 0, NULL } }; static const value_string docsis_cm_cap_map_fctfc_support_vals[] = { { 0x00, "Isolation Packet PDU MAC Header (FC_Type of 10) is not forwarded" }, { 0x01, "Isolation Packet PDU MAC Header (FC_Type of 10) is forwarded" }, { 0, NULL } }; static const value_string docsis_cm_cap_map_l2vpn_esafe_index_support_vals[] = { { 0x01, "ePs or eRouter" }, { 0x10, "eMTA" }, { 0x11, "eSTB-IP" }, { 0x12, "eSTB-DSG" }, { 0x13, "eTEA" }, { 0, NULL } }; static int hf_dhcp_docsis_cm_cap_ussymrate_160 = -1; static int hf_dhcp_docsis_cm_cap_ussymrate_320 = -1; static int hf_dhcp_docsis_cm_cap_ussymrate_640 = -1; static int hf_dhcp_docsis_cm_cap_ussymrate_1280 = -1; static int hf_dhcp_docsis_cm_cap_ussymrate_2560 = -1; static int hf_dhcp_docsis_cm_cap_ussymrate_5120 = -1; static void display_uint_with_range_checking(proto_item *ti, guint8 val_byte, guint16 val_uint16, int min_value, int max_value) { guint16 value; if (0 != val_byte) { value = val_byte; } else { value = val_uint16; } proto_item_append_text(ti, "%i", value); if ((value < min_value) || (value > max_value)) { proto_item_append_text(ti, " (Value Out-of-Range [%i..%i])", min_value, max_value); } } static void get_opt125_tlv(wmem_allocator_t *scope, tvbuff_t *tvb, guint off, guint8 *tlvtype, guint8 *tlvlen, guint8 **value) { /* Type */ *tlvtype = tvb_get_guint8(tvb, off); /* Length */ *tlvlen = tvb_get_guint8(tvb, off+1); /* Value */ *value = (guint8 *)tvb_memdup(scope, tvb, off + 2, *tlvlen); } static void get_opt60_tlv(wmem_allocator_t *scope, tvbuff_t *tvb, guint off, guint8 *tlvtype, guint8 *tlvlen, guint8 **value) { guint i; guint8 *val_asc; val_asc = (guint8 *)wmem_alloc0(scope, 4); /* Type */ tvb_memcpy(tvb, val_asc, off, 2); *tlvtype = (guint8)strtoul((gchar*)val_asc, NULL, 16); /* Length */ tvb_memcpy(tvb, val_asc, off + 2, 2); *tlvlen = (guint8)strtoul((gchar*)val_asc, NULL, 16); /* Value */ *value = (guint8 *)wmem_alloc0(scope, *tlvlen); for (i=0; i<*tlvlen; i++) { memset(val_asc, 0, 4); tvb_memcpy(tvb, val_asc, off + ((i*2) + 4), 2); (*value)[i] = (guint8)strtoul((gchar*)val_asc, NULL, 16); } } static void dissect_docsis_cm_cap(packet_info *pinfo, proto_tree *v_tree, tvbuff_t *tvb, int voff, int len, gboolean opt125) { guint8 *asc_val; proto_item *ti; proto_tree *subtree; guint8 tlv_type; guint8 tlv_len; guint8 val_byte = 0; guint16 val_uint16 = 0; guint8 *val_other = NULL; guint off = voff; asc_val = (guint8*)wmem_alloc0(wmem_packet_scope(), 4); if (opt125) { /* Option 125 is formatted as uint8's */ /* Type */ tlv_type = tvb_get_guint8(tvb, off); /* Length */ tlv_len = tvb_get_guint8(tvb, off+1); proto_tree_add_uint(v_tree, hf_dhcp_docsis_cm_cap_len, tvb, off+1, 1, tlv_len); } else { /* Option 60 is formatted as an ASCII string. Since the capabilities are the same for both options I am converting the Option 60 values from ASCII to uint8s to allow the same parser to work for both */ off += DOCSIS_CM_CAP_TLV_OFF; tvb_memcpy (tvb, asc_val, off, 2); tlv_len = (guint8)strtoul((gchar*)asc_val, NULL, 16); proto_tree_add_uint_format_value(v_tree, hf_dhcp_docsis_cm_cap_len, tvb, off+2, 2, tlv_len, "%d", tlv_len); } off+=2; while (off - ((guint) voff) < ((guint) len)) { tlv_type = 0; tlv_len = 0; val_byte = 0; val_uint16 = 0; if (opt125) { get_opt125_tlv(pinfo->pool, tvb, off, &tlv_type, &tlv_len, &val_other); ti = proto_tree_add_uint_format(v_tree, hf_dhcp_docsis_cm_cap_type, tvb, off, tlv_len + 2, tlv_type, "0x%02x: %s = ", tlv_type, val_to_str_const(tlv_type, docsis_cm_cap_type_vals, "unknown")); } else { /* Option 60 is formatted as an ASCII string. Since the capabilities are the same for both options I am converting the Option 60 values from ASCII to uint8s to allow the same parser to work for both */ get_opt60_tlv(pinfo->pool, tvb, off, &tlv_type, &tlv_len, &val_other); ti = proto_tree_add_uint_format(v_tree, hf_dhcp_docsis_cm_cap_type, tvb, off, (tlv_len * 2) + 4, tlv_type, "0x%02x: %s = ", tlv_type, val_to_str_const(tlv_type, docsis_cm_cap_type_vals, "unknown")); } if (tlv_len == 1) { /* The value refers to a byte. */ val_byte = val_other[0]; } else { if (tlv_len == 2) { /* The value refers to a uint16. */ val_uint16 = (val_other[0] << 8) + val_other[1]; } } switch (tlv_type) { case DOCSIS_CM_CAP_CONCAT_SUP: case DOCSIS_CM_CAP_FRAG_SUP: case DOCSIS_CM_CAP_PHS_SUP: case DOCSIS_CM_CAP_IGMP_SUP: case DOCSIS_CM_CAP_DCC_SUP: case DOCSIS_CM_CAP_EXPUNI_SPACE: case DOCSIS_CM_CAP_DUTFILT_SUP: case DOCSIS_CM_CAP_SACM2_SUP: case DOCSIS_CM_CAP_SACM2HOP_SUP: case DOCSIS_CM_CAP_IPV6_SUP: proto_item_append_text(ti, "%s", val_to_str_const(val_byte, docsis_cm_cap_supported_vals, "Reserved")); break; case DOCSIS_CM_CAP_DOCSIS_VER: proto_item_append_text(ti, "%s", val_to_str_const(val_byte, docsis_cm_cap_version_vals, "Reserved")); break; case DOCSIS_CM_CAP_PRIV_SUP: proto_item_append_text(ti, "%s", val_to_str_const(val_byte, docsis_cm_cap_privacy_vals, "Reserved")); break; case DOCSIS_CM_CAP_FILT_SUP: proto_item_append_text(ti, "%s", val_to_str_const(val_byte, docsis_cm_cap_filt_vals, "Reserved")); break; case DOCSIS_CM_CAP_L2VPN_SUP: proto_item_append_text(ti, "%s", val_to_str_const(val_byte, docsis_cm_cap_l2vpn_vals, "Reserved")); break; case DOCSIS_CM_CAP_L2VPN_HOST_SUP: if (tlv_len == 7) { proto_item_append_text(ti, "eSAFE ifIndex %s (%i)/eSAFE MAC %2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x", val_to_str_const(val_other[0], docsis_cm_cap_map_l2vpn_esafe_index_support_vals, "Reserved"), val_other[0], val_other[1], val_other[2], val_other[3], val_other[4], val_other[5], val_other[6]); } else { proto_item_append_text(ti, "Invalid (length should be 7, is %d)", tlv_len); } break; case DOCSIS_CM_CAP_USFREQRNG_SUP: proto_item_append_text(ti, "%s", val_to_str_const(val_byte, docsis_cm_cap_usfreqrng_vals, "Reserved")); break; case DOCSIS_CM_CAP_MAPUCDRECEIPT_SUP: proto_item_append_text(ti, "%s", val_to_str_const(val_byte, docsis_cm_cap_map_ucd_receipt_vals, "Reserved")); break; case DOCSIS_CM_CAP_DPV_SUP: proto_item_append_text(ti, "%s", val_to_str_const(val_byte, docsis_cm_cap_map_dpv_support_vals, "Reserved")); break; case DOCSIS_CM_CAP_DSAID_SUP: case DOCSIS_CM_CAP_MULTTXCHAN_SUP: case DOCSIS_CM_CAP_512USTXCHAN_SUP: case DOCSIS_CM_CAP_256USTXCHAN_SUP: case DOCSIS_CM_CAP_TOTALSIDCLU_SUP: case DOCSIS_CM_CAP_MULTRXCHAN_SUP: case DOCSIS_CM_CAP_UGSPERUSFLOW_SUP: case DOCSIS_CM_CAP_USSF_SUP: display_uint_with_range_checking(ti, val_byte, val_uint16, 0, 255); break; case DOCSIS_CM_CAP_RESEQDSID_SUP: case DOCSIS_CM_CAP_MULTDSID_SUP: display_uint_with_range_checking(ti, val_byte, val_uint16, 16, 255); break; case DOCSIS_CM_CAP_SIDCLUPERSF_SUP: display_uint_with_range_checking(ti, val_byte, val_uint16, 2, 8); break; case DOCSIS_CM_CAP_TOTALDSID_SUP: display_uint_with_range_checking(ti, val_byte, val_uint16, 32, 255); break; case DOCSIS_CM_CAP_TET: display_uint_with_range_checking(ti, val_byte, val_uint16, 8, 64); break; case DOCSIS_CM_CAP_TET_MI: if ((val_byte == 1) || (val_byte == 2) || (val_byte == 4)) { proto_item_append_text(ti, " %i", val_byte); } else { proto_item_append_text(ti, " (Invalid Value %i : Should be [1,2,4]", val_byte); } break; case DOCSIS_CM_CAP_IPFILT_SUP: case DOCSIS_CM_CAP_USDROPCLASSIF_SUP: display_uint_with_range_checking(ti, val_byte, val_uint16, 64, 65535); break; case DOCSIS_CM_CAP_LLCFILT_SUP: display_uint_with_range_checking(ti, val_byte, val_uint16, 10, 65535); break; case DOCSIS_CM_CAP_ExUsTrPow: if (val_byte == 0) { proto_item_append_text(ti, "%i", val_byte); } else { display_uint_with_range_checking(ti, val_byte, val_uint16, 205, 244); } break; case DOCSIS_CM_CAP_Opt802MPLSSup: proto_item_append_text(ti, "0x%02x", val_byte); case DOCSIS_CM_CAP_DounEnc: /* TODO: add D-ONU Capabilities Encoding according DPoE-SP-MULPIv1.0-I02-120607 */ break; case DOCSIS_CM_CAP_EnrgMang: proto_item_append_text(ti, "%s", val_to_str_const(val_byte, docsis_cm_cap_enrgmang_vals, "Reserved")); break; case DOCSIS_CM_CAP_RNGHLDOFF_SUP: proto_item_append_text(ti, "Ranging ID "); if (tlv_len == 4) { proto_item_append_text(ti, "(0x%04x)", (val_other[0] << sizeof(guint8)) + val_other[1]); proto_item_append_text(ti, " Component Bit Mask "); proto_item_append_text(ti, "(0x%04x)", (val_other[2] << sizeof(guint8)) + val_other[3]); } else { proto_item_append_text(ti, " (Invalid Length %u : Should be 4", tlv_len); } break; case DOCSIS_CM_CAP_USSYMRATE_SUP: proto_item_append_text(ti, "0x%02x", val_byte); break; case DOCSIS_CM_CAP_FCTF_SUP: proto_item_append_text(ti, "%s", val_to_str_const(val_byte, docsis_cm_cap_map_fctfc_support_vals, "Reserved")); break; case DOCSIS_CM_CAP_MULTDSIDFW_SUP: proto_item_append_text(ti, "%s", val_to_str_const(val_byte, docsis_cm_cap_map_multDsidForward_support_vals, "Reserved")); break; } subtree = proto_item_add_subtree(ti, ett_dhcp_option); if (tlv_type == DOCSIS_CM_CAP_RNGHLDOFF_SUP && tlv_len >= 4) { static int * const flags[] = { &hf_dhcp_docsis_cm_cap_ranging_hold_off_cm, &hf_dhcp_docsis_cm_cap_ranging_hold_off_eps, &hf_dhcp_docsis_cm_cap_ranging_hold_off_emta, &hf_dhcp_docsis_cm_cap_ranging_hold_off_dsg, NULL }; val_uint16 = (val_other[2] << sizeof(guint8)) + val_other[3]; proto_tree_add_bitmask_list_value(subtree, tvb, off + 2, 4, flags, val_uint16); } if (tlv_type == DOCSIS_CM_CAP_USSYMRATE_SUP) { static int * const flags[] = { &hf_dhcp_docsis_cm_cap_ussymrate_160, &hf_dhcp_docsis_cm_cap_ussymrate_320, &hf_dhcp_docsis_cm_cap_ussymrate_640, &hf_dhcp_docsis_cm_cap_ussymrate_1280, &hf_dhcp_docsis_cm_cap_ussymrate_2560, &hf_dhcp_docsis_cm_cap_ussymrate_5120, NULL }; proto_tree_add_bitmask_list_value(subtree, tvb, off + 2, 1, flags, val_byte); } if (tlv_type == DOCSIS_CM_CAP_Opt802MPLSSup && tlv_len >= 4) { static int * const flags[] = { &hf_dhcp_docsis_cm_cap_mpls_stpid, &hf_dhcp_docsis_cm_cap_mpls_svid, &hf_dhcp_docsis_cm_cap_mpls_spcp, &hf_dhcp_docsis_cm_cap_mpls_sdei, &hf_dhcp_docsis_cm_cap_mpls_ctpid, &hf_dhcp_docsis_cm_cap_mpls_cvid, &hf_dhcp_docsis_cm_cap_mpls_cpcp, &hf_dhcp_docsis_cm_cap_mpls_ccfi, &hf_dhcp_docsis_cm_cap_mpls_stci, &hf_dhcp_docsis_cm_cap_mpls_ctci, &hf_dhcp_docsis_cm_cap_mpls_itpid, &hf_dhcp_docsis_cm_cap_mpls_isid, &hf_dhcp_docsis_cm_cap_mpls_itci, &hf_dhcp_docsis_cm_cap_mpls_ipcp, &hf_dhcp_docsis_cm_cap_mpls_idei, &hf_dhcp_docsis_cm_cap_mpls_iuca, &hf_dhcp_docsis_cm_cap_mpls_btpid, &hf_dhcp_docsis_cm_cap_mpls_btci, &hf_dhcp_docsis_cm_cap_mpls_bpcp, &hf_dhcp_docsis_cm_cap_mpls_bdei, &hf_dhcp_docsis_cm_cap_mpls_bvid, &hf_dhcp_docsis_cm_cap_mpls_bda, &hf_dhcp_docsis_cm_cap_mpls_bsa, &hf_dhcp_docsis_cm_cap_mpls_tc, &hf_dhcp_docsis_cm_cap_mpls_label, NULL }; val_uint16 = (val_other[2] << sizeof(guint8)) + val_other[3]; proto_tree_add_bitmask_list_value(subtree, tvb, off + 2, 4, flags, val_uint16); } if (opt125) { off += (tlv_len) + 2; } else { off += (tlv_len *2) + 4; } } } static gboolean dissect_packetcable_cm_vendor_id_heur( tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_ ) { guint8* vendor_id; if (tvb_reported_length(tvb) < 10) { return FALSE; } vendor_id = tvb_get_string_enc(pinfo->pool, tvb, 0, 10, ENC_ASCII|ENC_NA); if ((strcmp((const char*)vendor_id, PACKETCABLE_CM_CAP11) == 0) || (strcmp((const char*)vendor_id, PACKETCABLE_CM_CAP20) == 0)) { dissect_docsis_cm_cap(pinfo, tree, tvb, 0, tvb_reported_length(tvb), FALSE); return TRUE; } if ((strcmp((const char*)vendor_id, PACKETCABLE_CM_CAP30) == 0)) { proto_tree_add_item(tree, hf_dhcp_option_vendor_class_data, tvb, 0, tvb_reported_length(tvb), ENC_ASCII); return TRUE; } return FALSE; } static gboolean dissect_apple_bsdp_vendor_id_heur(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, void *data _U_) { int vendor_id_len = (int)strlen(APPLE_BSDP_CLIENT); if ((int)tvb_reported_length(tvb) < vendor_id_len) { return FALSE; } if (tvb_memeql(tvb, 0, (const guint8*)APPLE_BSDP_CLIENT, vendor_id_len) == 0) { proto_tree_add_item(tree, hf_dhcp_option_vendor_class_data, tvb, vendor_id_len, tvb_reported_length_remaining(tvb, vendor_id_len), ENC_ASCII); return TRUE; } return FALSE; } /* Definitions specific to PKT-SP-PROV-I05-021127 begin with "PKT_CCC_I05". Definitions specific to IETF draft 5 and RFC 3495 begin with "PKT_CCC_IETF". Shared definitions begin with "PKT_CCC". */ #define PKT_CCC_PRI_DHCP 1 #define PKT_CCC_SEC_DHCP 2 #define PKT_CCC_I05_SNMP 3 #define PKT_CCC_IETF_PROV_SRV 3 #define PKT_CCC_I05_PRI_DNS 4 #define PKT_CCC_IETF_AS_KRB 4 #define PKT_CCC_I05_SEC_DNS 5 #define PKT_CCC_IETF_AP_KRB 5 #define PKT_CCC_KRB_REALM 6 #define PKT_CCC_TGT_FLAG 7 #define PKT_CCC_PROV_TIMER 8 #define PKT_CCC_CMS_FQDN 9 #define PKT_CCC_IETF_SEC_TKT 9 #define PKT_CCC_AS_KRB 10 #define PKT_CCC_AP_KRB 11 #define PKT_CCC_MTA_KRB_CLEAR 12 static const value_string pkt_i05_ccc_opt_vals[] = { { PKT_CCC_PRI_DHCP, "Primary DHCP Server" }, { PKT_CCC_SEC_DHCP, "Secondary DHCP Server" }, { PKT_CCC_I05_SNMP, "SNMP Entity" }, { PKT_CCC_I05_PRI_DNS, "Primary DNS Server" }, { PKT_CCC_I05_SEC_DNS, "Secondary DNS Server" }, { PKT_CCC_KRB_REALM, "Kerberos Realm" }, { PKT_CCC_TGT_FLAG, "MTA should fetch TGT?" }, { PKT_CCC_PROV_TIMER, "Provisioning Timer" }, { PKT_CCC_CMS_FQDN, "CMS FQDN" }, { PKT_CCC_AS_KRB, "AS-REQ/AS-REP Backoff and Retry" }, { PKT_CCC_AP_KRB, "AP-REQ/AP-REP Backoff and Retry" }, { PKT_CCC_MTA_KRB_CLEAR, "MTA should clear Kerberos tickets?" }, { 0, NULL }, }; static const value_string pkt_draft5_ccc_opt_vals[] = { { PKT_CCC_PRI_DHCP, "TSP's Primary DHCP Server" }, { PKT_CCC_SEC_DHCP, "TSP's Secondary DHCP Server" }, { PKT_CCC_IETF_PROV_SRV, "TSP's Provisioning Server" }, { PKT_CCC_IETF_AS_KRB, "TSP's AS-REQ/AS-REP Backoff and Retry" }, { PKT_CCC_IETF_AP_KRB, "TSP's AP-REQ/AP-REP Backoff and Retry" }, { PKT_CCC_KRB_REALM, "TSP's Kerberos Realm Name" }, { PKT_CCC_TGT_FLAG, "TSP's Ticket Granting Server Utilization" }, { PKT_CCC_PROV_TIMER, "TSP's Provisioning Timer Value" }, { PKT_CCC_IETF_SEC_TKT, "PacketCable Security Ticket Control" }, { 0, NULL }, }; static const value_string pkt_i05_ccc_ticket_ctl_vals[] = { { 1, "Invalidate Provisioning Application Server's ticket" }, { 2, "Invalidate all CMS Application Server tickets" }, { 3, "Invalidate all Application Server tickets" }, { 0, NULL }, }; static int dissect_packetcable_i05_ccc(packet_info *pinfo, proto_item *v_ti, proto_tree *v_tree, tvbuff_t *tvb, int optoff, int optend) { int suboptoff = optoff; guint8 subopt, subopt_len, fetch_tgt, timer_val, ticket_ctl; proto_tree *pkt_s_tree; proto_item *vti; subopt = tvb_get_guint8(tvb, optoff); suboptoff++; if (suboptoff >= optend) { expert_add_info_format(pinfo, v_ti, &ei_dhcp_missing_subopt_length, "Suboption %d: no room left in option for suboption length", subopt); return (optend); } subopt_len = tvb_get_guint8(tvb, optoff); suboptoff++; vti = proto_tree_add_uint(v_tree, hf_dhcp_pc_i05_ccc_suboption, tvb, optoff, 1, subopt); proto_item_set_len(vti, subopt_len + 2); proto_item_append_text(vti, ": "); switch (subopt) { case PKT_CCC_PRI_DHCP: /* String values */ case PKT_CCC_SEC_DHCP: case PKT_CCC_I05_SNMP: case PKT_CCC_I05_PRI_DNS: case PKT_CCC_I05_SEC_DNS: case PKT_CCC_KRB_REALM: case PKT_CCC_CMS_FQDN: proto_item_append_text(vti, "%s (%u byte%s)", tvb_format_stringzpad(pinfo->pool, tvb, suboptoff, subopt_len), subopt_len, plurality(subopt_len, "", "s") ); suboptoff += subopt_len; break; case PKT_CCC_TGT_FLAG: if (suboptoff+1 > optend) { expert_add_info(pinfo, vti, &ei_dhcp_missing_subopt_value); return (optend); } fetch_tgt = tvb_get_guint8(tvb, suboptoff); proto_item_append_text(vti, "%s (%u byte%s%s)", fetch_tgt ? "Yes" : "No", subopt_len, plurality(subopt_len, "", "s"), subopt_len != 1 ? " [Invalid]" : ""); suboptoff += subopt_len; break; case PKT_CCC_PROV_TIMER: if (suboptoff+1 > optend) { expert_add_info(pinfo, vti, &ei_dhcp_missing_subopt_value); return (optend); } timer_val = tvb_get_guint8(tvb, suboptoff); proto_item_append_text(vti, "%u%s (%u byte%s%s)", timer_val, timer_val > 30 ? " [Invalid]" : "", subopt_len, plurality(subopt_len, "", "s"), subopt_len != 1 ? " [Invalid]" : ""); suboptoff += subopt_len; break; case PKT_CCC_AS_KRB: if (suboptoff+12 > optend) { expert_add_info(pinfo, vti, &ei_dhcp_missing_subopt_value); return (optend); } proto_item_append_text(vti, "(%u byte%s%s)", subopt_len, plurality(subopt_len, "", "s"), subopt_len != 12 ? " [Invalid]" : ""); if (subopt_len == 12) { pkt_s_tree = proto_item_add_subtree(vti, ett_dhcp_option); proto_tree_add_item(pkt_s_tree, hf_dhcp_cl_ietf_ccc_dev_realm_unc_key_nom_timeout, tvb, suboptoff, 4, ENC_BIG_ENDIAN); proto_tree_add_item(pkt_s_tree, hf_dhcp_cl_ietf_ccc_dev_realm_unc_key_max_timeout, tvb, suboptoff + 4, 4, ENC_BIG_ENDIAN); proto_tree_add_item(pkt_s_tree, hf_dhcp_cl_ietf_ccc_dev_realm_unc_key_max_retries, tvb, suboptoff + 8, 4, ENC_BIG_ENDIAN); } suboptoff += subopt_len; break; case PKT_CCC_AP_KRB: if (suboptoff+12 > optend) { expert_add_info(pinfo, vti, &ei_dhcp_missing_subopt_value); return (optend); } proto_item_append_text(vti, "(%u byte%s%s)", subopt_len, plurality(subopt_len, "", "s"), subopt_len != 12 ? " [Invalid]" : ""); if (subopt_len == 12) { pkt_s_tree = proto_item_add_subtree(vti, ett_dhcp_option); proto_tree_add_item(pkt_s_tree, hf_dhcp_cl_ietf_ccc_dev_prov_unc_key_nom_timeout, tvb, suboptoff + 8, 4, ENC_BIG_ENDIAN); proto_tree_add_item(pkt_s_tree, hf_dhcp_cl_ietf_ccc_dev_prov_unc_key_max_timeout, tvb, suboptoff + 8, 4, ENC_BIG_ENDIAN); proto_tree_add_item(pkt_s_tree, hf_dhcp_cl_ietf_ccc_dev_prov_unc_key_max_retries, tvb, suboptoff + 8, 4, ENC_BIG_ENDIAN); } suboptoff += subopt_len; break; case PKT_CCC_MTA_KRB_CLEAR: if (suboptoff+1 > optend) { expert_add_info(pinfo, vti, &ei_dhcp_missing_subopt_value); return (optend); } ticket_ctl = tvb_get_guint8(tvb, suboptoff); proto_item_append_text(vti, "%s (%u) (%u byte%s%s)", val_to_str_const (ticket_ctl, pkt_i05_ccc_ticket_ctl_vals, "unknown/invalid"), ticket_ctl, subopt_len, plurality(subopt_len, "", "s"), subopt_len != 1 ? " [Invalid]" : ""); suboptoff += subopt_len; break; default: suboptoff += subopt_len; break; } return suboptoff; } static int hf_dhcp_ccc_ietf_sec_tkt_pc_provision_server = -1; static int hf_dhcp_ccc_ietf_sec_tkt_all_pc_call_management = -1; static int dissect_packetcable_ietf_ccc(packet_info *pinfo, proto_item *v_ti, proto_tree *v_tree, tvbuff_t *tvb, int optoff, int optend, int revision) { int suboptoff = optoff; guint8 subopt, subopt_len; guint8 prov_type, fetch_tgt, timer_val; guint16 sec_tcm; proto_tree *pkt_s_tree; proto_item *vti; int max_timer_val = 255; const guchar *dns_name; gint dns_name_len; subopt = tvb_get_guint8(tvb, suboptoff); suboptoff++; if (suboptoff >= optend) { expert_add_info_format(pinfo, v_ti, &ei_dhcp_missing_subopt_length, "Suboption %d: no room left in option for suboption length", subopt); return (optend); } subopt_len = tvb_get_guint8(tvb, suboptoff); suboptoff++; vti = proto_tree_add_uint(v_tree, hf_dhcp_pc_ietf_ccc_suboption, tvb, optoff, 1, subopt); proto_item_set_len(vti, subopt_len + 2); proto_item_append_text(vti, ": "); switch (subopt) { case PKT_CCC_PRI_DHCP: /* IPv4 values */ case PKT_CCC_SEC_DHCP: if (suboptoff+4 > optend) { expert_add_info(pinfo, vti, &ei_dhcp_missing_subopt_value); return (optend); } proto_item_append_text(vti, "%s (%u byte%s%s)", tvb_ip_to_str(pinfo->pool, tvb, suboptoff), subopt_len, plurality(subopt_len, "", "s"), subopt_len != 4 ? " [Invalid]" : ""); suboptoff += subopt_len; break; case PKT_CCC_IETF_PROV_SRV: if (suboptoff+1 > optend) { expert_add_info(pinfo, vti, &ei_dhcp_missing_subopt_value); return (optend); } prov_type = tvb_get_guint8(tvb, suboptoff); suboptoff += 1; switch (prov_type) { case 0: get_dns_name(tvb, suboptoff, subopt_len, suboptoff, (const char **)&dns_name, &dns_name_len); proto_item_append_text(vti, "%s (%u byte%s)", format_text(pinfo->pool, dns_name, dns_name_len), subopt_len - 1, plurality(subopt_len, "", "s") ); break; case 1: if (suboptoff+4 > optend) { expert_add_info(pinfo, vti, &ei_dhcp_missing_subopt_value); return (optend); } proto_item_append_text(vti, "%s (%u byte%s%s)", tvb_ip_to_str(pinfo->pool, tvb, suboptoff), subopt_len, plurality(subopt_len, "", "s"), subopt_len != 5 ? " [Invalid]" : ""); break; default: proto_item_append_text(vti, "Invalid type: %u (%u byte%s)", prov_type, subopt_len, plurality(subopt_len, "", "s") ); break; } suboptoff += subopt_len - 1; break; case PKT_CCC_IETF_AS_KRB: if (suboptoff+12 > optend) { expert_add_info(pinfo, vti, &ei_dhcp_missing_subopt_value); return (optend); } proto_item_append_text(vti, "(%u byte%s%s)", subopt_len, plurality(subopt_len, "", "s"), subopt_len != 12 ? " [Invalid]" : ""); if (subopt_len == 12) { pkt_s_tree = proto_item_add_subtree(vti, ett_dhcp_option); proto_tree_add_item(pkt_s_tree, hf_dhcp_cl_ietf_ccc_dev_realm_unc_key_nom_timeout, tvb, suboptoff, 4, ENC_BIG_ENDIAN); proto_tree_add_item(pkt_s_tree, hf_dhcp_cl_ietf_ccc_dev_realm_unc_key_max_timeout, tvb, suboptoff + 4, 4, ENC_BIG_ENDIAN); proto_tree_add_item(pkt_s_tree, hf_dhcp_cl_ietf_ccc_dev_realm_unc_key_max_retries, tvb, suboptoff + 8, 4, ENC_BIG_ENDIAN); } suboptoff += subopt_len; break; case PKT_CCC_IETF_AP_KRB: proto_item_append_text(vti, "(%u byte%s%s)", subopt_len, plurality(subopt_len, "", "s"), subopt_len != 12 ? " [Invalid]" : ""); if (subopt_len == 12) { pkt_s_tree = proto_item_add_subtree(vti, ett_dhcp_option); proto_tree_add_item(pkt_s_tree, hf_dhcp_cl_ietf_ccc_dev_prov_unc_key_nom_timeout, tvb, suboptoff, 4, ENC_BIG_ENDIAN); proto_tree_add_item(pkt_s_tree, hf_dhcp_cl_ietf_ccc_dev_prov_unc_key_max_timeout, tvb, suboptoff + 4, 4, ENC_BIG_ENDIAN); proto_tree_add_item(pkt_s_tree, hf_dhcp_cl_ietf_ccc_dev_prov_unc_key_max_retries, tvb, suboptoff + 8, 4, ENC_BIG_ENDIAN); } suboptoff += subopt_len; break; case PKT_CCC_KRB_REALM: /* String values */ get_dns_name(tvb, suboptoff, subopt_len, suboptoff, (const gchar **)&dns_name, &dns_name_len); proto_item_append_text(vti, "%s (%u byte%s)", format_text(pinfo->pool, dns_name, dns_name_len), subopt_len, plurality(subopt_len, "", "s") ); suboptoff += subopt_len; break; case PKT_CCC_TGT_FLAG: if (suboptoff+1 > optend) { expert_add_info(pinfo, vti, &ei_dhcp_missing_subopt_value); return (optend); } fetch_tgt = tvb_get_guint8(tvb, suboptoff); proto_item_append_text(vti, "%s (%u byte%s%s)", fetch_tgt ? "Yes" : "No", subopt_len, plurality(subopt_len, "", "s"), subopt_len != 1 ? " [Invalid]" : ""); suboptoff += 1; break; case PKT_CCC_PROV_TIMER: if (suboptoff+1 > optend) { expert_add_info(pinfo, vti, &ei_dhcp_missing_subopt_value); return (optend); } if (revision == PACKETCABLE_CCC_DRAFT5) max_timer_val = 30; timer_val = tvb_get_guint8(tvb, suboptoff); proto_item_append_text(vti, "%u%s (%u byte%s%s)", timer_val, timer_val > max_timer_val ? " [Invalid]" : "", subopt_len, plurality(subopt_len, "", "s"), subopt_len != 1 ? " [Invalid]" : ""); suboptoff += 1; break; case PKT_CCC_IETF_SEC_TKT: if (suboptoff+2 > optend) { expert_add_info(pinfo, vti, &ei_dhcp_missing_subopt_value); return (optend); } sec_tcm = tvb_get_ntohs(tvb, suboptoff); proto_item_append_text(vti, "0x%04x (%u byte%s%s)", sec_tcm, subopt_len, plurality(subopt_len, "", "s"), subopt_len != 2 ? " [Invalid]" : ""); if (subopt_len == 2) { pkt_s_tree = proto_item_add_subtree(vti, ett_dhcp_option); proto_tree_add_boolean(pkt_s_tree, hf_dhcp_ccc_ietf_sec_tkt_pc_provision_server, tvb, suboptoff, 2, sec_tcm); proto_tree_add_boolean(pkt_s_tree, hf_dhcp_ccc_ietf_sec_tkt_all_pc_call_management, tvb, suboptoff, 2, sec_tcm); } suboptoff += subopt_len; break; default: suboptoff += subopt_len; break; } return suboptoff; } static int dissect_dhcpopt_packetcable_ccc(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_) { int offset = 0; while (tvb_reported_length_remaining(tvb, offset) > 0) { switch (pkt_ccc_protocol_version) { case PACKETCABLE_CCC_I05: offset = dissect_packetcable_i05_ccc(pinfo, tree, tree, tvb, offset, tvb_reported_length(tvb)); break; case PACKETCABLE_CCC_DRAFT5: case PACKETCABLE_CCC_RFC_3495: offset = dissect_packetcable_ietf_ccc(pinfo, tree, tree, tvb, offset, tvb_reported_length(tvb), pkt_ccc_protocol_version); break; default: /* XXX Should we do something here? */ break; } } return tvb_captured_length(tvb); } #define BOOTREQUEST 1 #define BOOTREPLY 2 static const value_string op_vals[] = { { BOOTREQUEST, "Boot Request" }, { BOOTREPLY, "Boot Reply" }, { 0, NULL } }; static int dissect_dhcp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_) { proto_tree *bp_tree; proto_item *bp_ti, *ti; proto_item *fi, *hidden_item; guint8 op; guint8 htype, hlen; int voff, eoff, tmpvoff; /* vendor offset, end offset */ guint32 ip_addr; gboolean at_end; gboolean isProxyDhcp; const char *dhcp_type = NULL; const guint8 *vendor_class_id = NULL; guint16 flags, secs; int offset_delta; guint8 overload = 0; /* DHCP option overload */ static int * const dhcp_flags[] = { &hf_dhcp_flags_broadcast, &hf_dhcp_flags_reserved, NULL }; rfc3396_dns_domain_search_list.total_number_of_block = 0; rfc3396_dns_domain_search_list.tvb_composite = NULL; rfc3396_sip_server.total_number_of_block = 0; rfc3396_sip_server.tvb_composite = NULL; if (pinfo->srcport == PROXYDHCP_UDP_PORT || pinfo->destport == PROXYDHCP_UDP_PORT) { /* The "DHCP magic" is mandatory for proxyDHCP. Use it as a heuristic. */ if (!tvb_bytes_exist(tvb, VENDOR_INFO_OFFSET, 4) || tvb_get_ntohl(tvb, VENDOR_INFO_OFFSET) != 0x63825363) { /* Not a DHCP packet at all. */ return 0; } isProxyDhcp = TRUE; } else { isProxyDhcp = FALSE; } col_set_str(pinfo->cinfo, COL_PROTOCOL, "BOOTP"); /* * In case we throw an exception fetching the opcode, etc. */ col_clear(pinfo->cinfo, COL_INFO); op = tvb_get_guint8(tvb, 0); htype = tvb_get_guint8(tvb, 1); hlen = tvb_get_guint8(tvb, 2); switch (op) { case BOOTREQUEST: if ((htype == ARPHRD_ETHER || htype == ARPHRD_IEEE802) && hlen == 6) { col_add_fstr(pinfo->cinfo, COL_INFO, "Boot Request from %s (%s)", tvb_arphrdaddr_to_str(pinfo->pool, tvb, 28, hlen, htype), tvb_get_ether_name(tvb, 28)); } else { col_add_fstr(pinfo->cinfo, COL_INFO, "Boot Request from %s", tvb_arphrdaddr_to_str(pinfo->pool, tvb, 28, hlen, htype)); } break; case BOOTREPLY: col_set_str(pinfo->cinfo, COL_INFO, "Boot Reply"); break; default: col_add_fstr(pinfo->cinfo, COL_INFO, "Unknown BOOTP message type (%u)", op); break; } voff = VENDOR_INFO_OFFSET; /* rfc2132 says it SHOULD exist, not that it MUST exist */ if (tvb_bytes_exist(tvb, voff, 4) && (tvb_get_ntohl(tvb, voff) == 0x63825363)) { voff += 4; } else { voff += 64; } eoff = tvb_reported_length(tvb); bp_ti = proto_tree_add_item(tree, proto_dhcp, tvb, 0, -1, ENC_NA); bp_tree = proto_item_add_subtree(bp_ti, ett_dhcp); /* * In the first pass, we just look for the DHCP message type * and Vendor class identifier options. */ tmpvoff = voff; at_end = FALSE; rfc3396_dns_domain_search_list.index_current_block = 0; rfc3396_sip_server.index_current_block = 0; while (tmpvoff < eoff && !at_end) { offset_delta = dhcp_option(tvb, pinfo, NULL, tmpvoff, eoff, TRUE, &at_end, &dhcp_type, &vendor_class_id, &overload); if (offset_delta <= 0) { proto_tree_add_expert(bp_tree, pinfo, &ei_dhcp_option_parse_err, tvb, tmpvoff, eoff); return tmpvoff; } tmpvoff += offset_delta; } /* * If there was a DHCP message type option, flag this packet * as DHCP. */ if (dhcp_type != NULL) { /* * Yes, this is a DHCP packet, and "dhcp_type" is the * packet type. */ col_set_str(pinfo->cinfo, COL_PROTOCOL, "DHCP"); col_add_fstr(pinfo->cinfo, COL_INFO, "%sDHCP %-8s - Transaction ID 0x%x", isProxyDhcp ? "proxy" : "", dhcp_type, tvb_get_ntohl(tvb, 4)); tap_queue_packet( dhcp_bootp_tap, pinfo, dhcp_type); } /* * OK, now populate the protocol tree. */ proto_tree_add_uint(bp_tree, hf_dhcp_type, tvb, 0, 1, op); proto_tree_add_item(bp_tree, hf_dhcp_hw_type, tvb, 1, 1, ENC_BIG_ENDIAN); proto_tree_add_uint(bp_tree, hf_dhcp_hw_len, tvb, 2, 1, hlen); proto_tree_add_item(bp_tree, hf_dhcp_hops, tvb, 3, 1, ENC_BIG_ENDIAN); proto_tree_add_item(bp_tree, hf_dhcp_id, tvb, 4, 4, ENC_BIG_ENDIAN); /* * Windows (98, XP and Vista tested) sends the "secs" value on * the wire formatted as little-endian. See if the LE value * makes sense, if autodetect is used. */ if (dhcp_secs_endian == DHCP_SECS_ENDIAN_AUTODETECT) { secs = tvb_get_letohs(tvb, 8); if (secs > 0 && secs <= 0xff) { ti = proto_tree_add_uint(bp_tree, hf_dhcp_secs, tvb, 8, 2, secs); expert_add_info_format(pinfo, ti, &ei_dhcp_secs_le, "Seconds elapsed appears to be encoded as little-endian"); } else { proto_tree_add_item(bp_tree, hf_dhcp_secs, tvb, 8, 2, ENC_BIG_ENDIAN); } } else { /* Use whatever endianness is configured */ proto_tree_add_item(bp_tree, hf_dhcp_secs, tvb, 8, 2, dhcp_secs_endian); } flags = tvb_get_ntohs(tvb, 10); fi = proto_tree_add_bitmask(bp_tree, tvb, 10, hf_dhcp_flags, ett_dhcp_flags, dhcp_flags, ENC_NA); proto_item_append_text(fi, " (%s)", (flags & BOOTP_BC) ? "Broadcast" : "Unicast"); proto_tree_add_item(bp_tree, hf_dhcp_ip_client, tvb, 12, 4, ENC_BIG_ENDIAN); proto_tree_add_item(bp_tree, hf_dhcp_ip_your, tvb, 16, 4, ENC_BIG_ENDIAN); proto_tree_add_item(bp_tree, hf_dhcp_ip_server, tvb, 20, 4, ENC_BIG_ENDIAN); proto_tree_add_item(bp_tree, hf_dhcp_ip_relay, tvb, 24, 4, ENC_BIG_ENDIAN); if (hlen > 0 && hlen <= 16) { if ((htype == ARPHRD_ETHER || htype == ARPHRD_IEEE802) && hlen == 6) proto_tree_add_item(bp_tree, hf_dhcp_hw_ether_addr, tvb, 28, 6, ENC_NA); else /* The chaddr element is 16 bytes in length, although only the first hlen bytes are used */ proto_tree_add_bytes_format_value(bp_tree, hf_dhcp_hw_addr, tvb, 28, 16, NULL, "%s", tvb_arphrdaddr_to_str(pinfo->pool, tvb, 28, hlen, htype)); if ((16 - hlen) > 0) proto_tree_add_item(bp_tree, hf_dhcp_hw_addr_padding, tvb, 28+hlen, 16-hlen, ENC_NA); } else { proto_tree_add_expert(bp_tree, pinfo, &ei_dhcp_client_address_not_given, tvb, 28, 16); } if (overload & OPT_OVERLOAD_SNAME) { proto_tree_add_expert(bp_tree, pinfo, &ei_dhcp_server_name_overloaded_by_dhcp, tvb, SERVER_NAME_OFFSET, SERVER_NAME_LEN); } else { /* The server host name is optional */ if (tvb_get_guint8(tvb, SERVER_NAME_OFFSET) != '\0') { proto_tree_add_item(bp_tree, hf_dhcp_server, tvb, SERVER_NAME_OFFSET, SERVER_NAME_LEN, ENC_ASCII); } else { proto_tree_add_string_format(bp_tree, hf_dhcp_server, tvb, SERVER_NAME_OFFSET, SERVER_NAME_LEN, "", "Server host name not given"); } } if (overload & OPT_OVERLOAD_FILE) { proto_tree_add_expert(bp_tree, pinfo, &ei_dhcp_boot_filename_overloaded_by_dhcp, tvb, FILE_NAME_OFFSET, FILE_NAME_LEN); } else { /* Boot file is optional */ if (tvb_get_guint8(tvb, FILE_NAME_OFFSET) != '\0') { proto_tree_add_item(bp_tree, hf_dhcp_file, tvb, FILE_NAME_OFFSET, FILE_NAME_LEN, ENC_ASCII); } else { proto_tree_add_string_format(bp_tree, hf_dhcp_file, tvb, FILE_NAME_OFFSET, FILE_NAME_LEN, "", "Boot file name not given"); } } voff = VENDOR_INFO_OFFSET; if (dhcp_type == NULL) { hidden_item = proto_tree_add_boolean(bp_tree, hf_dhcp_bootp, tvb, 0, 0, 1); proto_item_set_hidden(hidden_item); } if (tvb_bytes_exist(tvb, voff, 4) && (tvb_get_ntohl(tvb, voff) == 0x63825363)) { ip_addr = tvb_get_ipv4(tvb, voff); proto_tree_add_ipv4_format_value(bp_tree, hf_dhcp_cookie, tvb, voff, 4, ip_addr, "DHCP"); voff += 4; } else { proto_tree_add_item(bp_tree, hf_dhcp_vendor_specific_options, tvb, voff, 64, ENC_NA); voff += 64; } at_end = FALSE; rfc3396_dns_domain_search_list.index_current_block = 0; rfc3396_sip_server.index_current_block = 0; while (voff < eoff && !at_end) { offset_delta = dhcp_option(tvb, pinfo, bp_tree, voff, eoff, FALSE, &at_end, &dhcp_type, &vendor_class_id, &overload); if (offset_delta <= 0) { proto_tree_add_expert(bp_tree, pinfo, &ei_dhcp_option_parse_err, tvb, voff, eoff); return voff; } voff += offset_delta; } if ((dhcp_type != NULL) && (!at_end)) { expert_add_info(pinfo, bp_ti, &ei_dhcp_end_option_missing); } if (voff < eoff) { /* * Padding after the end option. */ proto_tree_add_item(bp_tree, hf_dhcp_option_padding, tvb, voff, eoff - voff, ENC_NA); } return tvb_captured_length(tvb); } static void dhcp_init_protocol(void) { guint i; /* first copy default_dhcp_opt[] to dhcp_opt[]. This resets all values to default */ memcpy(dhcp_opt, default_dhcp_opt, sizeof(dhcp_opt)); if ((num_dhcp_records_uat > 0) && (saved_uat_opts == NULL)) { saved_uat_opts = wmem_list_new(NULL); } /* Now apply the custom options */ for (i = 0; i < num_dhcp_records_uat; i++) { dhcp_opt[uat_dhcp_records[i].opt].text = wmem_strdup(wmem_file_scope(), uat_dhcp_records[i].text); dhcp_opt[uat_dhcp_records[i].opt].ftype = uat_dhcp_records[i].ftype; dhcp_opt[uat_dhcp_records[i].opt].phf = NULL; /* Apply the custom option to the dissection table*/ dissector_change_uint("dhcp.option", uat_dhcp_records[i].opt, dhcpopt_basic_handle); /* Save the option so it can be cleared later */ wmem_list_append(saved_uat_opts, GUINT_TO_POINTER(uat_dhcp_records[i].opt)); } } static void dhcp_clear_uat_dhcpopt(gpointer data, gpointer user_data _U_) { dissector_reset_uint("dhcp.option", GPOINTER_TO_UINT(data)); } static void dhcp_cleanup_protocol(void) { if (saved_uat_opts != NULL) { wmem_list_foreach(saved_uat_opts, dhcp_clear_uat_dhcpopt, NULL); wmem_destroy_list(saved_uat_opts); saved_uat_opts = NULL; } } /* TAP STAT INFO */ typedef enum { MESSAGE_TYPE_COLUMN = 0, PACKET_COLUMN } dhcp_stat_columns; static stat_tap_table_item dhcp_stat_fields[] = {{TABLE_ITEM_STRING, TAP_ALIGN_LEFT, "DHCP Message Type", "%-25s"}, {TABLE_ITEM_UINT, TAP_ALIGN_RIGHT, "Packets", "%d"}}; static void dhcp_stat_init(stat_tap_table_ui* new_stat) { const char *table_name = "DHCP Statistics"; int num_fields = sizeof(dhcp_stat_fields)/sizeof(stat_tap_table_item); stat_tap_table *table; int i = 0; stat_tap_table_item_type items[sizeof(dhcp_stat_fields)/sizeof(stat_tap_table_item)]; table = stat_tap_find_table(new_stat, table_name); if (table) { if (new_stat->stat_tap_reset_table_cb) { new_stat->stat_tap_reset_table_cb(table); } return; } table = stat_tap_init_table(table_name, num_fields, 0, NULL); stat_tap_add_table(new_stat, table); memset(items, 0x0, sizeof(items)); /* Add a row for each value type */ while (opt53_text[i].strptr) { items[MESSAGE_TYPE_COLUMN].type = TABLE_ITEM_STRING; items[MESSAGE_TYPE_COLUMN].value.string_value = opt53_text[i].strptr; items[PACKET_COLUMN].type = TABLE_ITEM_UINT; items[PACKET_COLUMN].value.uint_value = 0; stat_tap_init_table_row(table, i, num_fields, items); i++; } } static tap_packet_status dhcp_stat_packet(void *tapdata, packet_info *pinfo _U_, epan_dissect_t *edt _U_, const void *data, tap_flags_t flags _U_) { stat_data_t* stat_data = (stat_data_t*)tapdata; const char* value = (const char*)data; stat_tap_table* table; stat_tap_table_item_type* msg_data; gint idx; idx = str_to_val_idx(value, opt53_text); if (idx < 0) return TAP_PACKET_DONT_REDRAW; table = g_array_index(stat_data->stat_tap_data->tables, stat_tap_table*, 0); msg_data = stat_tap_get_field_data(table, idx, PACKET_COLUMN); msg_data->value.uint_value++; stat_tap_set_field_data(table, idx, PACKET_COLUMN, msg_data); return TAP_PACKET_REDRAW; } static void dhcp_stat_reset(stat_tap_table* table) { guint element; stat_tap_table_item_type* item_data; for (element = 0; element < table->num_elements; element++) { item_data = stat_tap_get_field_data(table, element, PACKET_COLUMN); item_data->value.uint_value = 0; stat_tap_set_field_data(table, element, PACKET_COLUMN, item_data); } } void proto_register_dhcp(void) { static const value_string dhcp_custom_type_vals[] = { { ipv4, "IP Address"}, { ipv4_list, "IP Address List" }, { string, "string" }, { bytes, "bytes" }, { val_boolean, "boolean" }, { val_u_byte, "byte" }, { val_u_short, "unsigned short" }, { val_u_short_list, "unsigned short list" }, { val_u_long, "unsigned long" }, { time_in_s_secs, "integer time in seconds" }, { time_in_u_secs, "unsigned integer time in seconds" }, { 0x00, NULL } }; static hf_register_info hf[] = { { &hf_dhcp_bootp, { "Frame is BOOTP", "dhcp.bootp", FT_BOOLEAN, BASE_NONE, NULL, 0x0, NULL, HFILL }}, { &hf_dhcp_type, { "Message type", "dhcp.type", FT_UINT8, BASE_DEC, VALS(op_vals), 0x0, NULL, HFILL }}, { &hf_dhcp_hw_type, { "Hardware type", "dhcp.hw.type", FT_UINT8, BASE_HEX, VALS(arp_hrd_vals), 0x0, NULL, HFILL }}, { &hf_dhcp_hw_len, { "Hardware address length", "dhcp.hw.len", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL }}, { &hf_dhcp_hops, { "Hops", "dhcp.hops", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL }}, { &hf_dhcp_id, { "Transaction ID", "dhcp.id", FT_UINT32, BASE_HEX, NULL, 0x0, NULL, HFILL }}, { &hf_dhcp_secs, { "Seconds elapsed", "dhcp.secs", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }}, { &hf_dhcp_flags, { "Bootp flags", "dhcp.flags", FT_UINT16, BASE_HEX, NULL, 0x0, NULL, HFILL }}, { &hf_dhcp_flags_broadcast, { "Broadcast flag", "dhcp.flags.bc", FT_BOOLEAN, 16, TFS(&flag_set_broadcast), BOOTP_BC, NULL, HFILL }}, { &hf_dhcp_flags_reserved, { "Reserved flags", "dhcp.flags.reserved", FT_UINT16, BASE_HEX, NULL, BOOTP_MBZ, NULL, HFILL }}, { &hf_dhcp_ip_client, { "Client IP address", "dhcp.ip.client", FT_IPv4, BASE_NONE, NULL, 0x0, NULL, HFILL }}, { &hf_dhcp_ip_your, { "Your (client) IP address", "dhcp.ip.your", FT_IPv4, BASE_NONE, NULL, 0x0, NULL, HFILL }}, { &hf_dhcp_ip_server, { "Next server IP address", "dhcp.ip.server", FT_IPv4, BASE_NONE, NULL, 0x0, NULL, HFILL }}, { &hf_dhcp_ip_relay, { "Relay agent IP address", "dhcp.ip.relay", FT_IPv4, BASE_NONE, NULL, 0x0, NULL, HFILL }}, { &hf_dhcp_hw_addr, { "Client hardware address", "dhcp.hw.addr", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL }}, { &hf_dhcp_hw_addr_padding, { "Client hardware address padding", "dhcp.hw.addr_padding", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL }}, { &hf_dhcp_hw_ether_addr, { "Client MAC address", "dhcp.hw.mac_addr", FT_ETHER, BASE_NONE, NULL, 0x0, NULL, HFILL }}, { &hf_dhcp_server, { "Server host name", "dhcp.server", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL }}, { &hf_dhcp_file, { "Boot file name", "dhcp.file", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL }}, { &hf_dhcp_cookie, { "Magic cookie", "dhcp.cookie", FT_IPv4, BASE_NONE, NULL, 0x0, NULL, HFILL }}, { &hf_dhcp_vendor_specific_options, { "Bootp vendor specific options", "dhcp.vendor_specific_options", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL }}, { &hf_dhcp_fqdn_s, { "Server", "dhcp.fqdn.s", FT_BOOLEAN, 8, TFS(&tfs_server_client), F_FQDN_S, "If true, server should do DDNS update", HFILL }}, { &hf_dhcp_fqdn_o, { "Server overrides", "dhcp.fqdn.o", FT_BOOLEAN, 8, TFS(&tfs_fqdn_o), F_FQDN_O, "If true, server insists on doing DDNS update", HFILL }}, { &hf_dhcp_fqdn_e, { "Encoding", "dhcp.fqdn.e", FT_BOOLEAN, 8, TFS(&tfs_fqdn_e), F_FQDN_E, "If true, name is binary encoded", HFILL }}, { &hf_dhcp_fqdn_n, { "Server DDNS", "dhcp.fqdn.n", FT_BOOLEAN, 8, TFS(&tfs_fqdn_n), F_FQDN_N, "If true, server should not do any DDNS updates", HFILL }}, { &hf_dhcp_fqdn_flags, { "Flags", "dhcp.fqdn.flags", FT_UINT8, BASE_HEX, NULL, 0, NULL, HFILL }}, { &hf_dhcp_fqdn_mbz, { "Reserved flags", "dhcp.fqdn.mbz", FT_UINT8, BASE_HEX, NULL, F_FQDN_MBZ, NULL, HFILL }}, { &hf_dhcp_fqdn_rcode1, { "A-RR result", "dhcp.fqdn.rcode1", FT_UINT8, BASE_DEC, NULL, 0x0, "Result code of A-RR update", HFILL }}, { &hf_dhcp_fqdn_rcode2, { "PTR-RR result", "dhcp.fqdn.rcode2", FT_UINT8, BASE_DEC, NULL, 0x0, "Result code of PTR-RR update", HFILL }}, { &hf_dhcp_fqdn_name, { "Client name", "dhcp.fqdn.name", FT_STRING, BASE_NONE, NULL, 0x0, "Name to register via DDNS", HFILL }}, { &hf_dhcp_fqdn_asciiname, { "Client name", "dhcp.fqdn.name", FT_STRING, BASE_NONE, NULL, 0x0, "Name to register via DDNS", HFILL }}, { &hf_dhcp_pkt_mta_cap_len, { "MTA DC Length", "dhcp.vendor.pktc.mta_cap_len", FT_UINT16, BASE_DEC, NULL, 0x0, "PacketCable MTA Device Capabilities Length", HFILL }}, { &hf_dhcp_pkt_mta_cap_type, { "Type", "dhcp.vendor.pktc.mta_cap_type", FT_UINT16, BASE_DEC, VALS(pkt_mdc_type_vals), 0x0, NULL, HFILL }}, { &hf_dhcp_pkt_mdc_supp_flow_secure, { "Secure Flow (Full Secure Provisioning Flow)", "dhcp.vendor.pktc.mdc.supp_flow.secure", FT_BOOLEAN, 16, TFS(&tfs_supported_not_supported), 0x0001, NULL, HFILL }}, { &hf_dhcp_pkt_mdc_supp_flow_hybrid, { "Hybrid Flow", "dhcp.vendor.pktc.mdc.supp_flow.hybrid", FT_BOOLEAN, 16, TFS(&tfs_supported_not_supported), 0x0002, NULL, HFILL }}, { &hf_dhcp_pkt_mdc_supp_flow_basic, { "Basic Flow", "dhcp.vendor.pktc.mdc.supp_flow.basic", FT_BOOLEAN, 16, TFS(&tfs_supported_not_supported), 0x0004, NULL, HFILL }}, { &hf_dhcp_pkt_mdc_mib_cl_mta, { "PacketCable 1.5 MTA MIB", "dhcp.vendor.pktc.mdc_cl.mib.mta", FT_BOOLEAN, 8, TFS(&tfs_present_not_present), 0x01, NULL, HFILL }}, { &hf_dhcp_pkt_mdc_mib_cl_signaling, { "PacketCable 1.5 Signaling MIB", "dhcp.vendor.pktc.mdc_cl.mib.signaling", FT_BOOLEAN, 8, TFS(&tfs_present_not_present), 0x02, NULL, HFILL }}, { &hf_dhcp_pkt_mdc_mib_cl_management_event, { "PacketCable 1.5 Management Event MIB", "dhcp.vendor.pktc.mdc_cl.mib.management_event", FT_BOOLEAN, 8, TFS(&tfs_present_not_present), 0x04, NULL, HFILL }}, { &hf_dhcp_pkt_mdc_mib_cl_mta_extension, { "PacketCable 1.5 MTA Extension MIB", "dhcp.vendor.pktc.mdc_cl.mib.mta_extension", FT_BOOLEAN, 8, TFS(&tfs_present_not_present), 0x08, NULL, HFILL }}, { &hf_dhcp_pkt_mdc_mib_cl_mta_signaling_extension, { "PacketCable 1.5 Signaling Extension MIB", "dhcp.vendor.pktc.mdc_cl.mib.signaling_extension", FT_BOOLEAN, 8, TFS(&tfs_present_not_present), 0x10, NULL, HFILL }}, { &hf_dhcp_pkt_mdc_mib_cl_mta_mem_extension, { "PacketCable 1.5 MEM Extension MIB", "dhcp.vendor.pktc.mdc_cl.mib.mem_extension", FT_BOOLEAN, 8, TFS(&tfs_present_not_present), 0x20, NULL, HFILL }}, { &hf_dhcp_pkt_mdc_mib_cl_reserved, { "Reserved", "dhcp.vendor.pktc.mdc_cl.mib.reserved", FT_UINT8, BASE_HEX, NULL, 0xC0, NULL, HFILL }}, { &hf_dhcp_pkt_mdc_mib_ietf_mta, { "IETF MTA MIB", "dhcp.vendor.pktc.mdc_ietf.mib.mta", FT_BOOLEAN, 8, TFS(&tfs_present_not_present), 0x01, NULL, HFILL }}, { &hf_dhcp_pkt_mdc_mib_ietf_signaling, { "IETF Signaling MIB", "dhcp.vendor.pktc.mdc_ietf.mib.signaling", FT_BOOLEAN, 8, TFS(&tfs_present_not_present), 0x02, NULL, HFILL }}, { &hf_dhcp_pkt_mdc_mib_ietf_management_event, { "IETF Management Event MIB", "dhcp.vendor.pktc.mdc_ietf.mib.management_event", FT_BOOLEAN, 8, TFS(&tfs_present_not_present), 0x04, NULL, HFILL }}, { &hf_dhcp_pkt_mdc_mib_ietf_reserved, { "Reserved", "dhcp.vendor.pktc.mdc_ietf.mib.reserved", FT_UINT8, BASE_HEX, NULL, 0xF8, NULL, HFILL }}, { &hf_dhcp_pkt_mdc_mib_euro_mta, { "PacketCable 1.5 MTA MIB", "dhcp.vendor.pktc.mdc_euro.mib.mta", FT_BOOLEAN, 8, TFS(&tfs_present_not_present), 0x01, NULL, HFILL }}, { &hf_dhcp_pkt_mdc_mib_euro_signaling, { "PacketCable 1.5 Signaling MIB", "dhcp.vendor.pktc.mdc_euro.mib.signaling", FT_BOOLEAN, 8, TFS(&tfs_present_not_present), 0x02, NULL, HFILL }}, { &hf_dhcp_pkt_mdc_mib_euro_management_event, { "PacketCable 1.5 Management Event MIB", "dhcp.vendor.pktc.mdc_euro.mib.management_event", FT_BOOLEAN, 8, TFS(&tfs_present_not_present), 0x04, NULL, HFILL }}, { &hf_dhcp_pkt_mdc_mib_euro_mta_extension, { "PacketCable 1.5 MTA Extension MIB", "dhcp.vendor.pktc.mdc_euro.mib.mta_extension", FT_BOOLEAN, 8, TFS(&tfs_present_not_present), 0x08, NULL, HFILL }}, { &hf_dhcp_pkt_mdc_mib_euro_mta_signaling_extension, { "PacketCable 1.5 Signaling Extension MIB", "dhcp.vendor.pktc.mdc_euro.mib.signaling_extension", FT_BOOLEAN, 8, TFS(&tfs_present_not_present), 0x10, NULL, HFILL }}, { &hf_dhcp_pkt_mdc_mib_euro_mta_mem_extension, { "PacketCable 1.5 MEM Extension MIB", "dhcp.vendor.pktc.mdc_euro.mib.mem_extension", FT_BOOLEAN, 8, TFS(&tfs_present_not_present), 0x20, NULL, HFILL }}, { &hf_dhcp_pkt_mdc_mib_euro_reserved, { "Reserved", "dhcp.vendor.pktc.mdc_euro.mib.reserved", FT_UINT8, BASE_HEX, NULL, 0xC0, NULL, HFILL }}, { &hf_dhcp_docsis_cm_cap_len, { "CM DC Length", "dhcp.vendor.docsis.cm_cap_len", FT_UINT8, BASE_DEC, NULL, 0x0, "DOCSIS Cable Modem Device Capabilities Length", HFILL }}, { &hf_dhcp_docsis_cm_cap_type, { "CM DC Type", "dhcp.docsis_cm_cap_type", FT_UINT16, BASE_DEC, VALS(docsis_cm_cap_type_vals), 0x0, "Docsis Cable Modem Device Capability type", HFILL }}, { &hf_dhcp_docsis_cm_cap_ranging_hold_off_cm, { "CM", "dhcp.docsis_cm_cap.ranging_hold_off.cm", FT_BOOLEAN, 16, TFS(&tfs_supported_not_supported), 0x0001, NULL, HFILL }}, { &hf_dhcp_docsis_cm_cap_ranging_hold_off_eps, { "ePS or eRouter", "dhcp.docsis_cm_cap.ranging_hold_off.eps", FT_BOOLEAN, 16, TFS(&tfs_supported_not_supported), 0x0002, NULL, HFILL }}, { &hf_dhcp_docsis_cm_cap_ranging_hold_off_emta, { "EMTA or EDVA", "dhcp.docsis_cm_cap.ranging_hold_off.emta", FT_BOOLEAN, 16, TFS(&tfs_supported_not_supported), 0x0004, NULL, HFILL }}, { &hf_dhcp_docsis_cm_cap_ranging_hold_off_dsg, { "DSG/eSTB", "dhcp.docsis_cm_cap.ranging_hold_off.dsg", FT_BOOLEAN, 16, TFS(&tfs_supported_not_supported), 0x0008, NULL, HFILL }}, { &hf_dhcp_docsis_cm_cap_mpls_stpid, { "[IEEE 802.1ad] S-TPID", "dhcp.docsis_cm_cap.mpls.stpid", FT_BOOLEAN, 32, TFS(&tfs_supported_not_supported), 0x00000001, NULL, HFILL }}, { &hf_dhcp_docsis_cm_cap_mpls_svid, { "[IEEE 802.1ad] S-VID", "dhcp.docsis_cm_cap.mpls.svid", FT_BOOLEAN, 32, TFS(&tfs_supported_not_supported), 0x00000002, NULL, HFILL }}, { &hf_dhcp_docsis_cm_cap_mpls_spcp, { "[IEEE 802.1ad] S-PCP", "dhcp.docsis_cm_cap.mpls.spcp", FT_BOOLEAN, 32, TFS(&tfs_supported_not_supported), 0x00000004, NULL, HFILL }}, { &hf_dhcp_docsis_cm_cap_mpls_sdei, { "[IEEE 802.1ad] S-DEI", "dhcp.docsis_cm_cap.mpls.sdei", FT_BOOLEAN, 32, TFS(&tfs_supported_not_supported), 0x00000008, NULL, HFILL }}, { &hf_dhcp_docsis_cm_cap_mpls_ctpid, { "[IEEE 802.1ad] C-TPID", "dhcp.docsis_cm_cap.mpls.ctpid", FT_BOOLEAN, 32, TFS(&tfs_supported_not_supported), 0x00000010, NULL, HFILL }}, { &hf_dhcp_docsis_cm_cap_mpls_cvid, { "[IEEE 802.1ad] C-VID", "dhcp.docsis_cm_cap.mpls.cvid", FT_BOOLEAN, 32, TFS(&tfs_supported_not_supported), 0x00000020, NULL, HFILL }}, { &hf_dhcp_docsis_cm_cap_mpls_cpcp, { "[IEEE 802.1ad] C-PCP", "dhcp.docsis_cm_cap.mpls.cpcp", FT_BOOLEAN, 32, TFS(&tfs_supported_not_supported), 0x00000040, NULL, HFILL }}, { &hf_dhcp_docsis_cm_cap_mpls_ccfi, { "[IEEE 802.1ad] C-CFI", "dhcp.docsis_cm_cap.mpls.ccfi", FT_BOOLEAN, 32, TFS(&tfs_supported_not_supported), 0x00000080, NULL, HFILL }}, { &hf_dhcp_docsis_cm_cap_mpls_stci, { "[IEEE 802.1ad] S-TCI", "dhcp.docsis_cm_cap.mpls.stci", FT_BOOLEAN, 32, TFS(&tfs_supported_not_supported), 0x00000100, NULL, HFILL }}, { &hf_dhcp_docsis_cm_cap_mpls_ctci, { "[IEEE 802.1ad] C-TCI", "dhcp.docsis_cm_cap.mpls.ctci", FT_BOOLEAN, 32, TFS(&tfs_supported_not_supported), 0x00000200, NULL, HFILL }}, { &hf_dhcp_docsis_cm_cap_mpls_itpid, { "[IEEE 802.1ad] I-TPID", "dhcp.docsis_cm_cap.mpls.itpid", FT_BOOLEAN, 32, TFS(&tfs_supported_not_supported), 0x00000400, NULL, HFILL }}, { &hf_dhcp_docsis_cm_cap_mpls_isid, { "[IEEE 802.1ad] I-SID", "dhcp.docsis_cm_cap.mpls.isid", FT_BOOLEAN, 32, TFS(&tfs_supported_not_supported), 0x00000800, NULL, HFILL }}, { &hf_dhcp_docsis_cm_cap_mpls_itci, { "[IEEE 802.1ad] I-TCI", "dhcp.docsis_cm_cap.mpls.itci", FT_BOOLEAN, 32, TFS(&tfs_supported_not_supported), 0x00001000, NULL, HFILL }}, { &hf_dhcp_docsis_cm_cap_mpls_ipcp, { "[IEEE 802.1ad] I-PCP", "dhcp.docsis_cm_cap.mpls.ipcp", FT_BOOLEAN, 32, TFS(&tfs_supported_not_supported), 0x00002000, NULL, HFILL }}, { &hf_dhcp_docsis_cm_cap_mpls_idei, { "[IEEE 802.1ad] I-DEI", "dhcp.docsis_cm_cap.mpls.idei", FT_BOOLEAN, 32, TFS(&tfs_supported_not_supported), 0x00004000, NULL, HFILL }}, { &hf_dhcp_docsis_cm_cap_mpls_iuca, { "[IEEE 802.1ad] I-UCA", "dhcp.docsis_cm_cap.mpls.iuca", FT_BOOLEAN, 32, TFS(&tfs_supported_not_supported), 0x00008000, NULL, HFILL }}, { &hf_dhcp_docsis_cm_cap_mpls_btpid, { "[IEEE 802.1ad] B-TPID", "dhcp.docsis_cm_cap.mpls.btpid", FT_BOOLEAN, 32, TFS(&tfs_supported_not_supported), 0x00010000, NULL, HFILL }}, { &hf_dhcp_docsis_cm_cap_mpls_btci, { "[IEEE 802.1ad] B-TCI", "dhcp.docsis_cm_cap.mpls.btci", FT_BOOLEAN, 32, TFS(&tfs_supported_not_supported), 0x00020000, NULL, HFILL }}, { &hf_dhcp_docsis_cm_cap_mpls_bpcp, { "[IEEE 802.1ad] B-PCP", "dhcp.docsis_cm_cap.mpls.bpcp", FT_BOOLEAN, 32, TFS(&tfs_supported_not_supported), 0x00040000, NULL, HFILL }}, { &hf_dhcp_docsis_cm_cap_mpls_bdei, { "[IEEE 802.1ad] B-DEI", "dhcp.docsis_cm_cap.mpls.bdei", FT_BOOLEAN, 32, TFS(&tfs_supported_not_supported), 0x00080000, NULL, HFILL }}, { &hf_dhcp_docsis_cm_cap_mpls_bvid, { "[IEEE 802.1ad] B-VID", "dhcp.docsis_cm_cap.mpls.bvid", FT_BOOLEAN, 32, TFS(&tfs_supported_not_supported), 0x00100000, NULL, HFILL }}, { &hf_dhcp_docsis_cm_cap_mpls_bda, { "[IEEE 802.1ad] B-DA", "dhcp.docsis_cm_cap.mpls.bda", FT_BOOLEAN, 32, TFS(&tfs_supported_not_supported), 0x00200000, NULL, HFILL }}, { &hf_dhcp_docsis_cm_cap_mpls_bsa, { "[IEEE 802.1ad] B-SA", "dhcp.docsis_cm_cap.mpls.bsa", FT_BOOLEAN, 32, TFS(&tfs_supported_not_supported), 0x00400000, NULL, HFILL }}, { &hf_dhcp_docsis_cm_cap_mpls_tc, { "MPLS TC", "dhcp.docsis_cm_cap.mpls.tc", FT_BOOLEAN, 32, TFS(&tfs_supported_not_supported), 0x00800000, NULL, HFILL }}, { &hf_dhcp_docsis_cm_cap_mpls_label, { "MPLS Label", "dhcp.docsis_cm_cap.mpls.label", FT_BOOLEAN, 32, TFS(&tfs_supported_not_supported), 0x01000000, NULL, HFILL }}, { &hf_dhcp_docsis_cm_cap_ussymrate_160, { "160 ksps symbol rate", "dhcp.docsis_cm_cap.ussymrate.160", FT_BOOLEAN, 8, TFS(&tfs_supported_not_supported), 0x01, NULL, HFILL }}, { &hf_dhcp_docsis_cm_cap_ussymrate_320, { "320 ksps symbol rate", "dhcp.docsis_cm_cap.ussymrate.320", FT_BOOLEAN, 8, TFS(&tfs_supported_not_supported), 0x02, NULL, HFILL }}, { &hf_dhcp_docsis_cm_cap_ussymrate_640, { "640 ksps symbol rate", "dhcp.docsis_cm_cap.ussymrate.640", FT_BOOLEAN, 8, TFS(&tfs_supported_not_supported), 0x04, NULL, HFILL }}, { &hf_dhcp_docsis_cm_cap_ussymrate_1280, { "1280 ksps symbol rate", "dhcp.docsis_cm_cap.ussymrate.1280", FT_BOOLEAN, 8, TFS(&tfs_supported_not_supported), 0x08, NULL, HFILL }}, { &hf_dhcp_docsis_cm_cap_ussymrate_2560, { "2560 ksps symbol rate", "dhcp.docsis_cm_cap.ussymrate.2560", FT_BOOLEAN, 8, TFS(&tfs_supported_not_supported), 0x10, NULL, HFILL }}, { &hf_dhcp_docsis_cm_cap_ussymrate_5120, { "5120 ksps symbol rate", "dhcp.docsis_cm_cap.ussymrate.5120", FT_BOOLEAN, 8, TFS(&tfs_supported_not_supported), 0x20, NULL, HFILL }}, { &hf_dhcp_client_identifier_uuid, { "Client Identifier (UUID)", "dhcp.client_id.uuid", FT_GUID, BASE_NONE, NULL, 0x0, "Client Machine Identifier (UUID)", HFILL }}, { &hf_dhcp_client_hardware_address, { "Client hardware address", "dhcp.client_hardware_address", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL }}, { &hf_dhcp_client_id_iaid, { "IAID", "dhcp.client_id.iaid", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL }}, { &hf_dhcp_client_id_duid_type, { "DUID Type", "dhcp.client_id.duid_type", FT_UINT16, BASE_DEC, VALS(duidtype_vals), 0x0, NULL, HFILL }}, { &hf_dhcp_client_identifier_duid_llt_hw_type, { "Hardware type", "dhcp.client_id.duid_llt_hw_type", FT_UINT16, BASE_DEC, VALS(arp_hrd_vals), 0x0, "Client Identifier DUID LLT Hardware type", HFILL }}, { &hf_dhcp_client_identifier_duid_ll_hw_type, { "Hardware type", "dhcp.client_id.duid_ll_hw_type", FT_UINT16, BASE_DEC, VALS(arp_hrd_vals), 0x0, "Client Identifier DUID LL Hardware type", HFILL }}, { &hf_dhcp_client_identifier_time, { "Time", "dhcp.client_id.time", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL }}, { &hf_dhcp_client_identifier_link_layer_address, { "Link layer address", "dhcp.client_id.link_layer_address", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL }}, { &hf_dhcp_client_identifier_link_layer_address_ether, { "Link layer address (Ethernet)", "dhcp.client_id.link_layer_address_ether", FT_ETHER, BASE_NONE, NULL, 0x0, NULL, HFILL }}, { &hf_dhcp_client_identifier_enterprise_num, { "Enterprise-number", "dhcp.client_id.enterprise_num", FT_UINT32, BASE_ENTERPRISES, STRINGS_ENTERPRISES, 0x0, NULL, HFILL }}, { &hf_dhcp_client_identifier, { "Identifier", "dhcp.client_id", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL }}, { &hf_dhcp_client_identifier_type, { "Type", "dhcp.client_id.type", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL }}, { &hf_dhcp_client_identifier_undef, { "Client Identifier", "dhcp.client_id.undef", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL }}, { &hf_dhcp_option_type, { "Option", "dhcp.option.type", FT_UINT8, BASE_DEC, NULL, 0x0, "DHCP/BOOTP option type", HFILL }}, { &hf_dhcp_option_length, { "Length", "dhcp.option.length", FT_UINT8, BASE_DEC, NULL, 0x0, "DHCP/BOOTP option length", HFILL }}, { &hf_dhcp_suboption_length, { "Length", "dhcp.option.suboption_length", FT_UINT8, BASE_DEC, NULL, 0x0, "Suboption length", HFILL }}, { &hf_dhcp_option_value, { "Value", "dhcp.option.value", FT_BYTES, BASE_NONE, NULL, 0x0, "DHCP/BOOTP option value", HFILL }}, { &hf_dhcp_option_value_8, { "Value", "dhcp.option.value.uint", FT_UINT8, BASE_DEC, NULL, 0x0, "8-bit DHCP/BOOTP option value", HFILL }}, { &hf_dhcp_option_value_16, { "Value", "dhcp.option.value.uint", FT_UINT16, BASE_DEC, NULL, 0x0, "16-bit DHCP/BOOTP option value", HFILL }}, { &hf_dhcp_option_value_u32, { "Value", "dhcp.option.value.uint", FT_UINT32, BASE_HEX, NULL, 0x0, "32-bit DHCP/BOOTP option value", HFILL }}, { &hf_dhcp_option_value_s_secs, { "Value", "dhcp.option.value.secs", FT_INT32, BASE_CUSTOM, CF_FUNC(dhcp_time_in_s_secs_fmt), 0x0, "32-bit DHCP/BOOTP option value", HFILL }}, { &hf_dhcp_option_value_u_secs, { "Value", "dhcp.option.value.usecs", FT_UINT32, BASE_CUSTOM, CF_FUNC(dhcp_time_in_u_secs_fmt), 0x0, "32-bit DHCP/BOOTP option value", HFILL }}, { &hf_dhcp_option_value_stringz, { "Value", "dhcp.option.value.string", FT_STRINGZ, BASE_NONE, NULL, 0x0, "Z-String DHCP/BOOTP option value", HFILL }}, { &hf_dhcp_option_value_ip_address, { "Value", "dhcp.option.value.address", FT_IPv4, BASE_NONE, NULL, 0x00, "IP address DHCP/BOOTP option value", HFILL }}, { &hf_dhcp_option_value_boolean, { "Value", "dhcp.option.value.bool", FT_BOOLEAN, BASE_NONE, NULL, 0x00, "Boolean DHCP/BOOTP option value", HFILL }}, { &hf_dhcp_option_padding, { "Padding", "dhcp.option.padding", FT_BYTES, BASE_NONE, NULL, 0x0, "Option 0: Padding", HFILL }}, { &hf_dhcp_option_subnet_mask, { "Subnet Mask", "dhcp.option.subnet_mask", FT_IPv4, BASE_NETMASK, NULL, 0x00, "Option 1: Subnet Mask", HFILL }}, { &hf_dhcp_option_time_offset, { "Time Offset", "dhcp.option.time_offset", FT_INT32, BASE_CUSTOM, CF_FUNC(dhcp_time_in_s_secs_fmt), 0x0, "Option 2: Time Offset", HFILL }}, { &hf_dhcp_option_router, { "Router", "dhcp.option.router", FT_IPv4, BASE_NONE, NULL, 0x00, "Option 3: Router", HFILL }}, { &hf_dhcp_option_time_server, { "Time Server", "dhcp.option.time_server", FT_IPv4, BASE_NONE, NULL, 0x00, "Option 4: Time Server", HFILL }}, { &hf_dhcp_option_name_server, { "Name Server", "dhcp.option.name_server", FT_IPv4, BASE_NONE, NULL, 0x00, "Option 5: Name Server", HFILL }}, { &hf_dhcp_option_domain_name_server, { "Domain Name Server", "dhcp.option.domain_name_server", FT_IPv4, BASE_NONE, NULL, 0x00, "Option 6: Domain Name Server", HFILL }}, { &hf_dhcp_option_log_server, { "Log Server", "dhcp.option.log_server", FT_IPv4, BASE_NONE, NULL, 0x00, "Option 7: Log Server", HFILL }}, { &hf_dhcp_option_quotes_server, { "Quotes Server", "dhcp.option.quotes_server", FT_IPv4, BASE_NONE, NULL, 0x00, "Option 8: Quotes Server", HFILL }}, { &hf_dhcp_option_lpr_server, { "LPR Server", "dhcp.option.lpr_server", FT_IPv4, BASE_NONE, NULL, 0x00, "Option 9: LPR Server", HFILL }}, { &hf_dhcp_option_impress_server, { "Impress Server", "dhcp.option.impress_server", FT_IPv4, BASE_NONE, NULL, 0x00, "Option 10: Impress Server", HFILL }}, { &hf_dhcp_option_resource_location_server, { "Resource Location Server", "dhcp.option.resource_location_server", FT_IPv4, BASE_NONE, NULL, 0x00, "Option 11: Resource Location Server", HFILL }}, { &hf_dhcp_option_hostname, { "Host Name", "dhcp.option.hostname", FT_STRINGZ, BASE_NONE, NULL, 0x0, "Option 12: Host Name", HFILL }}, { &hf_dhcp_option_boot_file_size, { "Boot File Size", "dhcp.option.boot_file_size", FT_UINT16, BASE_DEC, NULL, 0x0, "Option 13: Boot File Size", HFILL }}, { &hf_dhcp_option_merit_dump_file, { "Merit Dump File", "dhcp.option.merit_dump_file", FT_STRINGZ, BASE_NONE, NULL, 0x0, "Option 14: Merit Dump File", HFILL }}, { &hf_dhcp_option_domain_name, { "Domain Name", "dhcp.option.domain_name", FT_STRINGZ, BASE_NONE, NULL, 0x0, "Option 15: Domain Name", HFILL }}, { &hf_dhcp_option_swap_server, { "Swap Server", "dhcp.option.swap_server", FT_IPv4, BASE_NONE, NULL, 0x00, "Option 16: Swap Server", HFILL }}, { &hf_dhcp_option_root_path, { "Root Path", "dhcp.option.root_path", FT_STRINGZ, BASE_NONE, NULL, 0x0, "Option 17: Root Path", HFILL }}, { &hf_dhcp_option_extension_path, { "Extensions Path", "dhcp.option.extension_path", FT_STRINGZ, BASE_NONE, NULL, 0x0, "Option 18: Extensions Path", HFILL }}, { &hf_dhcp_option_ip_forwarding, { "IP Forwarding", "dhcp.option.ip_forwarding", FT_BOOLEAN, BASE_NONE, TFS(&tfs_enabled_disabled), 0x00, "Option 19: IP Forwarding", HFILL }}, { &hf_dhcp_option_policy_filter_ip, { "IP Address", "dhcp.option.policy_filter.ip", FT_IPv4, BASE_NONE, NULL, 0x00, "Option 21: IP address", HFILL }}, { &hf_dhcp_option_policy_filter_subnet_mask, { "Subnet Mask", "dhcp.option.policy_filter.subnet_mask", FT_IPv4, BASE_NETMASK, NULL, 0x00, "Option 21: Subnet Mask", HFILL }}, { &hf_dhcp_option_non_local_source_routing, { "Non-Local Source Routing", "dhcp.option.non_local_source_routing", FT_BOOLEAN, BASE_NONE, TFS(&tfs_enabled_disabled), 0x00, "Option 20: Non-Local Source Routing", HFILL }}, { &hf_dhcp_option_max_datagram_reassembly_size, { "Maximum Datagram Reassembly Size", "dhcp.option.max_datagram_reassembly_size", FT_UINT16, BASE_DEC, NULL, 0x0, "Option 22: Maximum Datagram Reassembly Size", HFILL }}, { &hf_dhcp_option_default_ip_ttl, { "Default IP Time-to-Live", "dhcp.option.default_ip_ttl", FT_UINT8, BASE_DEC, NULL, 0x0, "Option 23: Default IP Time-to-Live", HFILL }}, { &hf_dhcp_option_path_mtu_aging_timeout, { "Path MTU Aging Timeout", "dhcp.option.path_mtu_aging_timeout", FT_UINT32, BASE_CUSTOM, CF_FUNC(dhcp_time_in_u_secs_fmt), 0x0, "Option 24: Path MTU Aging Timeout", HFILL }}, { &hf_dhcp_option_path_mtu_plateau_table_item, { "Path MTU Plateau Table Item", "dhcp.option.path_mtu_plateau_table_item", FT_UINT16, BASE_DEC, NULL, 0x0, "Option 25: Path MTU Plateau Table Item", HFILL }}, { &hf_dhcp_option_interface_mtu, { "Interface MTU", "dhcp.option.interface_mtu", FT_UINT16, BASE_DEC, NULL, 0x0, "Option 26: Interface MTU", HFILL }}, { &hf_dhcp_option_all_subnets_are_local, { "All Subnets are Local", "dhcp.option.all_subnets_are_local", FT_BOOLEAN, BASE_NONE, TFS(&tfs_yes_no), 0x00, "Option 27: All Subnets are Local", HFILL }}, { &hf_dhcp_option_broadcast_address, { "Broadcast Address", "dhcp.option.broadcast_address", FT_IPv4, BASE_NONE, NULL, 0x00, "Option 28: Broadcast Address", HFILL }}, { &hf_dhcp_option_perform_mask_discovery, { "Perform Mask Discovery", "dhcp.option.perform_mask_discovery", FT_BOOLEAN, BASE_NONE, TFS(&tfs_enabled_disabled), 0x00, "Option 29: Perform Mask Discovery", HFILL }}, { &hf_dhcp_option_mask_supplier, { "Mask Supplier", "dhcp.option.mask_supplier", FT_BOOLEAN, BASE_NONE, TFS(&tfs_yes_no), 0x00, "Option 30: Mask Supplier", HFILL }}, { &hf_dhcp_option_perform_router_discover, { "Perform Router Discover", "dhcp.option.perform_router_discover", FT_BOOLEAN, BASE_NONE, TFS(&tfs_enabled_disabled), 0x00, "Option 31: Perform Router Discover", HFILL }}, { &hf_dhcp_option_router_solicitation_address, { "Router Solicitation Address", "dhcp.option.router_solicitation_address", FT_IPv4, BASE_NONE, NULL, 0x00, "Option 32: Router Solicitation Address", HFILL }}, { &hf_dhcp_option_static_route_ip, { "Destination IP Address", "dhcp.option.static_route.ip", FT_IPv4, BASE_NONE, NULL, 0x00, "Option 33: Destination IP address", HFILL }}, { &hf_dhcp_option_static_route_router, { "Destination Router", "dhcp.option.static_route.router", FT_IPv4, BASE_NONE, NULL, 0x00, "Option 33: Destination Router", HFILL }}, { &hf_dhcp_option_trailer_encapsulation, { "Trailer Encapsulation", "dhcp.option.trailer_encapsulation", FT_BOOLEAN, BASE_NONE, TFS(&tfs_enabled_disabled), 0x00, "Option 34: Trailer Encapsulation", HFILL }}, { &hf_dhcp_option_arp_cache_timeout, { "ARP Cache Timeout", "dhcp.option.arp_cache_timeout", FT_UINT32, BASE_CUSTOM, CF_FUNC(dhcp_time_in_u_secs_fmt), 0x0, "Option 35: ARP Cache Timeout", HFILL }}, { &hf_dhcp_option_ethernet_encapsulation, { "Ethernet Encapsulation", "dhcp.option.ethernet_encapsulation", FT_BOOLEAN, BASE_NONE, TFS(&tfs_enabled_disabled), 0x00, "Option 36: Ethernet Encapsulation", HFILL }}, { &hf_dhcp_option_tcp_default_ttl, { "TCP Default TTL", "dhcp.option.tcp_default_ttl", FT_UINT8, BASE_DEC, NULL, 0x0, "Option 37: TCP Default TTL", HFILL }}, { &hf_dhcp_option_tcp_keepalive_interval, { "TCP Keepalive Interval", "dhcp.option.tcp_keepalive_interval", FT_UINT32, BASE_CUSTOM, CF_FUNC(dhcp_time_in_u_secs_fmt), 0x0, "Option 38: TCP Keepalive Interval", HFILL }}, { &hf_dhcp_option_tcp_keepalive_garbage, { "TCP Keepalive Garbage", "dhcp.option.tcp_keepalive_garbage", FT_BOOLEAN, BASE_NONE, TFS(&tfs_enabled_disabled), 0x00, "Option 39: TCP Keepalive Garbage", HFILL }}, { &hf_dhcp_option_nis_domain, { "Network Information Service Domain", "dhcp.option.nis_domain", FT_STRINGZ, BASE_NONE, NULL, 0x0, "Option 40: Network Information Service Domain", HFILL }}, { &hf_dhcp_option_nis_server, { "Network Information Service Server", "dhcp.option.nis_server", FT_IPv4, BASE_NONE, NULL, 0x00, "Option 41: Network Information Service Server", HFILL }}, { &hf_dhcp_option_ntp_server, { "Network Time Protocol Server", "dhcp.option.ntp_server", FT_IPv4, BASE_NONE, NULL, 0x00, "Option 42: Network Time Protocol Server", HFILL }}, { &hf_dhcp_option43_value, { "Value", "dhcp.option.vendor.value", FT_BYTES, BASE_NONE, NULL, 0x0, "Option 43: Suboption value", HFILL }}, { &hf_dhcp_option43_value_8, { "Value", "dhcp.option.vendor.value.uint", FT_UINT8, BASE_DEC, NULL, 0x0, "Option 43: Suboption 8-bit value", HFILL }}, { &hf_dhcp_option43_value_32, { "Value", "dhcp.option.vendor.value.uint", FT_UINT32, BASE_DEC, NULL, 0x0, "Option 43: Suboption 32-bit value", HFILL }}, { &hf_dhcp_option43_value_stringz, { "Value", "dhcp.option.vendor.value.string", FT_STRINGZ, BASE_NONE, NULL, 0x0, "Option 43: Suboption Z-String value", HFILL }}, { &hf_dhcp_option43_value_ip_address, { "Value", "dhcp.option.vendor.value.address", FT_IPv4, BASE_NONE, NULL, 0x00, "Option 43: Suboption IP address", HFILL }}, { &hf_dhcp_option43_pxeclient_suboption, { "Option 43 Suboption", "dhcp.option.vendor.pxeclient.suboption", FT_UINT8, BASE_DEC, VALS(option43_pxeclient_suboption_vals), 0x0, "Option 43:PXE Client Suboption", HFILL }}, { &hf_dhcp_option43_pxeclient_padding, { "Padding", "dhcp.option.vendor.pxeclient.padding", FT_UINT8, BASE_DEC, NULL, 0x0, "Option 43:PXE Client 0 Padding", HFILL }}, { &hf_dhcp_option43_pxeclient_mtftp_ip, { "mtftp IP", "dhcp.option.vendor.pxeclient.mtftp_ip", FT_IPv4, BASE_NONE, NULL, 0x00, "Option 43:PXE Client 1 mtftp IP", HFILL }}, { &hf_dhcp_option43_pxeclient_mtftp_client_port, { "mtftp client port", "dhcp.option.vendor.pxeclient.mtftp_client_port", FT_UINT16, BASE_DEC, NULL, 0x00, "Option 43:PXE Client 2 mtftp client port", HFILL }}, { &hf_dhcp_option43_pxeclient_mtftp_server_port, { "mtftp server port", "dhcp.option.vendor.pxeclient.mtftp_server_port", FT_UINT16, BASE_DEC, NULL, 0x00, "Option 43:PXE Client 3 mtftp server port", HFILL }}, { &hf_dhcp_option43_pxeclient_mtftp_timeout, { "mtftp timeout", "dhcp.option.vendor.pxeclient.mtftp_timeout", FT_UINT8, BASE_DEC, NULL, 0x0, "Option 43:PXE Client 4 mtftp timeout", HFILL }}, { &hf_dhcp_option43_pxeclient_mtftp_delay, { "mtftp delay", "dhcp.option.vendor.pxeclient.mtftp_delay", FT_UINT8, BASE_DEC, NULL, 0x0, "Option 43:PXE Client 5 mtftp delay", HFILL }}, { &hf_dhcp_option43_pxeclient_discovery_control, { "discovery control", "dhcp.option.vendor.pxeclient.discovery_control", FT_UINT8, BASE_HEX, NULL, 0x0, "Option 43:PXE Client 6 discovery control", HFILL }}, { &hf_dhcp_option43_pxeclient_discovery_control_bc, { "Disable Broadcast", "dhcp.option.vendor.pxeclient.discovery_control.broadcast", FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x01, NULL, HFILL }}, { &hf_dhcp_option43_pxeclient_discovery_control_mc, { "Disable Multicast", "dhcp.option.vendor.pxeclient.discovery_control.multicast", FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x02, NULL, HFILL }}, { &hf_dhcp_option43_pxeclient_discovery_control_serverlist, { "Serverlist only", "dhcp.option.vendor.pxeclient.discovery_control.serverlist", FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x04, NULL, HFILL }}, { &hf_dhcp_option43_pxeclient_discovery_control_bstrap, { "Bootstrap override", "dhcp.option.vendor.pxeclient.discovery_control.bstrap", FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x08, NULL, HFILL }}, { &hf_dhcp_option43_pxeclient_multicast_address, { "multicast address", "dhcp.option.vendor.pxeclient.multicast_address", FT_IPv4, BASE_NONE, NULL, 0x00, "Option 43:PXE Client 7 multicast address", HFILL }}, { &hf_dhcp_option43_pxeclient_boot_servers, { "boot servers", "dhcp.option.vendor.pxeclient.boot_servers", FT_BYTES, BASE_NONE, NULL, 0x0, "Option 43:PXE Client 8 boot servers", HFILL }}, { &hf_dhcp_option43_pxeclient_boot_server_type, { "Type", "dhcp.option.vendor.pxeclient.boot_servers.type", FT_UINT16, BASE_DEC, VALS(o43pxeclient_boot_server_types), 0x0, NULL, HFILL }}, { &hf_dhcp_option43_pxeclient_boot_server_count, { "IP count", "dhcp.option.vendor.pxeclient.boot_servers.count", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL }}, { &hf_dhcp_option43_pxeclient_boot_server_ip, { "IP", "dhcp.option.vendor.pxeclient.boot_servers.ip", FT_IPv4, BASE_NONE, NULL, 0x0, NULL, HFILL }}, { &hf_dhcp_option43_pxeclient_boot_menu, { "boot menu", "dhcp.option.vendor.pxeclient.boot_menu", FT_BYTES, BASE_NONE, NULL, 0x0, "Option 43:PXE Client 9 boot menu", HFILL }}, { &hf_dhcp_option43_pxeclient_boot_menu_type, { "Type", "dhcp.option.vendor.pxeclient.boot_menu.type", FT_UINT16, BASE_DEC, VALS(o43pxeclient_boot_menu_types), 0x0, NULL, HFILL }}, { &hf_dhcp_option43_pxeclient_boot_menu_length, { "Length", "dhcp.option.vendor.pxeclient.boot_menu.length", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL }}, { &hf_dhcp_option43_pxeclient_boot_menu_desc, { "Description", "dhcp.option.vendor.pxeclient.boot_menu.desc", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL }}, { &hf_dhcp_option43_pxeclient_menu_prompt, { "menu prompt", "dhcp.option.vendor.pxeclient.menu_prompt", FT_BYTES, BASE_NONE, NULL, 0x0, "Option 43:PXE Client 10 menu prompt", HFILL }}, { &hf_dhcp_option43_pxeclient_menu_prompt_timeout, { "Timeout", "dhcp.option.vendor.pxeclient.menu_prompt.timeout", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL }}, { &hf_dhcp_option43_pxeclient_menu_prompt_prompt, { "Prompt", "dhcp.option.vendor.pxeclient.menu_prompt.prompt", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL }}, { &hf_dhcp_option43_pxeclient_multicast_address_alloc, { "multicast address alloc", "dhcp.option.vendor.pxeclient.multicast_address_alloc", FT_BYTES, BASE_NONE, NULL, 0x0, "Option 43:PXE Client 11 multicast address alloc", HFILL }}, { &hf_dhcp_option43_pxeclient_credential_types, { "credential types", "dhcp.option.vendor.pxeclient.credential_types", FT_BYTES, BASE_NONE, NULL, 0x0, "Option 43:PXE Client 12 credential types", HFILL }}, { &hf_dhcp_option43_pxeclient_boot_item, { "boot item", "dhcp.option.vendor.pxeclient.boot_item", FT_BYTES, BASE_NONE, NULL, 0x0, "Option 43:PXE Client 71 boot item", HFILL }}, { &hf_dhcp_option43_pxeclient_boot_item_type, { "Type", "dhcp.option.vendor.pxeclient.boot_item.type", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }}, { &hf_dhcp_option43_pxeclient_boot_item_layer, { "Layer", "dhcp.option.vendor.pxeclient.boot_item.layer", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL }}, { &hf_dhcp_option43_pxeclient_lcm_server, { "LCM Server Name", "dhcp.option.vendor.pxeclient.lcm_server", FT_STRINGZ, BASE_NONE, NULL, 0x0, "Option 43:PXE Client 179 LCM Server", HFILL }}, { &hf_dhcp_option43_pxeclient_lcm_domain, { "LCM Domain", "dhcp.option.vendor.pxeclient.lcm_domain", FT_STRINGZ, BASE_NONE, NULL, 0x0, "Option 43:PXE Client 180 LCM Domain", HFILL }}, { &hf_dhcp_option43_pxeclient_lcm_nic_option, { "LCM NIC option", "dhcp.option.vendor.pxeclient.lcm_nic_option", FT_BYTES, BASE_NONE, NULL, 0x0, "Option 43:PXE Client 181 LCM NIC Option", HFILL }}, { &hf_dhcp_option43_pxeclient_lcm_workgroup, { "LCM Workgroup", "dhcp.option.vendor.pxeclient.lcm_workgroup", FT_STRINGZ, BASE_NONE, NULL, 0x0, "Option 43:PXE Client 190 LCM Workgroup", HFILL }}, { &hf_dhcp_option43_pxeclient_discovery, { "Discovery", "dhcp.option.vendor.pxeclient.discovery", FT_BOOLEAN, BASE_NONE, TFS(&tfs_yes_no), 0x0, "Option 43:PXE Client 191 Discovery", HFILL }}, { &hf_dhcp_option43_pxeclient_configured, { "Configured", "dhcp.option.vendor.pxeclient.configured", FT_BOOLEAN, BASE_NONE, TFS(&tfs_yes_no), 0x0, "Option 43:PXE Client 192 Configured", HFILL }}, { &hf_dhcp_option43_pxeclient_lcm_version, { "LCM Version", "dhcp.option.vendor.pxeclient.lcm_version", FT_UINT32, BASE_DEC, NULL, 0x0, "Option 43:PXE Client 193 LCM Version", HFILL }}, { &hf_dhcp_option43_pxeclient_lcm_serial, { "LCM Serial Number", "dhcp.option.vendor.pxeclient.lcm_serial", FT_STRINGZ, BASE_NONE, NULL, 0x0, "Option 43:PXE Client 194 LCM Serial Number", HFILL }}, { &hf_dhcp_option43_pxeclient_end, { "PXE Client End", "dhcp.option.vendor.pxeclient.end", FT_UINT8, BASE_DEC, NULL, 0x0, "Option 43:PXE Client 255 End", HFILL }}, /* AEROHIVE (Extremenetworks) vendor suboptions */ { &hf_dhcp_option43_aerohive_suboption, { "Option 43 Suboption", "dhcp.option.vendor.cisco.suboption", FT_UINT8, BASE_DEC, VALS(option43_aerohive_suboption_vals), 0x0, "Option 43:AEROHIVE Suboption", HFILL }}, { &hf_dhcp_option43_aerohive_unknown, { "Unknown", "dhcp.option.vendor.aerohive.unknown", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL }}, { &hf_dhcp_option43_aerohive_xiqhostname, { "HM FQDN", "dhcp.option.vendor.aerohive.xiqhostname", FT_STRING, BASE_NONE, NULL, 0x0, "Hive Manager NG FQDN", HFILL }}, { &hf_dhcp_option43_aerohive_xiqipaddress, { "HM IP", "dhcp.option.vendor.aerohive.xiqipaddress", FT_IPv4, BASE_NONE, NULL, 0x0, "Hive Manager NG IP address", HFILL }}, { &hf_dhcp_option43_cl_suboption, { "Option 43 Suboption", "dhcp.option.vendor.cl.suboption", FT_UINT8, BASE_DEC, VALS(option43_cl_suboption_vals), 0x0, "Option 43:CL Suboption", HFILL }}, { &hf_dhcp_option43_cl_padding, { "Padding", "dhcp.option.vendor.cl.padding", FT_UINT8, BASE_DEC, NULL, 0x0, "Option 43:CL 0 Padding", HFILL }}, { &hf_dhcp_option43_cl_suboption_request_list, { "Suboption Request List", "dhcp.option.vendor.cl.suboption_request_list", FT_STRINGZ, BASE_NONE, NULL, 0x0, "Option 43:CL 1 Suboption Request List", HFILL }}, { &hf_dhcp_option43_cl_device_type, { "Device Type", "dhcp.option.vendor.cl.device_type", FT_STRINGZ, BASE_NONE, NULL, 0x0, "Option 43:CL 2 Device Type", HFILL }}, { &hf_dhcp_option43_cl_esafe_type, { "eSAFE Types", "dhcp.option.vendor.cl.esafe_type", FT_STRINGZ, BASE_NONE, NULL, 0x0, "Option 43:CL 3 eSAFE Types", HFILL }}, { &hf_dhcp_option43_cl_serial_number, { "Serial Number", "dhcp.option.vendor.cl.serial_number", FT_STRINGZ, BASE_NONE, NULL, 0x0, "Option 43:CL 4 Serial Number", HFILL }}, { &hf_dhcp_option43_cl_hardware_version, { "Hardware Version", "dhcp.option.vendor.cl.hardware_version", FT_STRINGZ, BASE_NONE, NULL, 0x0, "Option 43:CL 5 Hardware Version", HFILL }}, { &hf_dhcp_option43_cl_software_version, { "Software Version", "dhcp.option.vendor.cl.software_version", FT_STRINGZ, BASE_NONE, NULL, 0x0, "Option 43:CL 6 Software Version", HFILL }}, { &hf_dhcp_option43_cl_boot_rom_version, { "Boot ROM version", "dhcp.option.vendor.cl.boot_rom_version", FT_STRINGZ, BASE_NONE, NULL, 0x0, "Option 43:CL 7 Boot ROM version", HFILL }}, { &hf_dhcp_option43_cl_oui_string, { "Organizationally Unique Identifier", "dhcp.option.vendor.cl.oui_string", FT_STRINGZ, BASE_NONE, NULL, 0x0, "Option 43:CL 8 Organizationally Unique Identifier", HFILL }}, { &hf_dhcp_option43_cl_oui_bytes, { "Organizationally Unique Identifier", "dhcp.option.vendor.cl.oui_bytes", FT_BYTES, BASE_NONE, NULL, 0x0, "Option 43:CL 8 Organizationally Unique Identifier", HFILL }}, { &hf_dhcp_option43_cl_model_number, { "Model Number", "dhcp.option.vendor.cl.model_number", FT_STRINGZ, BASE_NONE, NULL, 0x0, "Option 43:CL 9 Model Number", HFILL }}, { &hf_dhcp_option43_cl_vendor_name10, { "Vendor Name", "dhcp.option.vendor.cl.vendor_name10", FT_STRINGZ, BASE_NONE, NULL, 0x0, "Option 43:CL 10 Vendor Name", HFILL }}, { &hf_dhcp_option43_cl_address_realm, { "Address Realm", "dhcp.option.vendor.cl.address_realm", FT_UINT8, BASE_DEC, VALS(cablehome_subopt11_vals), 0x0, "Option 43:CL 11 Address Realm", HFILL }}, { &hf_dhcp_option43_cl_cm_ps_system_desc, { "CM/PS System Description", "dhcp.option.vendor.cl.cm_ps_system_desc", FT_STRINGZ, BASE_NONE, NULL, 0x0, "Option 43:CL 12 CM/PS System Description", HFILL }}, { &hf_dhcp_option43_cl_cm_ps_firmware_revision, { "CM/PS Firmware Revision", "dhcp.option.vendor.cl.cm_ps_firmware_revision", FT_STRINGZ, BASE_NONE, NULL, 0x0, "Option 43:CL 13 CM/PS Firmware Revision", HFILL }}, { &hf_dhcp_option43_cl_firewall_policy_file_version, { "Firewall Policy File Version", "dhcp.option.vendor.cl.firewall_policy_file_version", FT_STRINGZ, BASE_NONE, NULL, 0x0, "Option 43:CL 14 Firewall Policy File Version", HFILL }}, { &hf_dhcp_option43_cl_esafe_config_file_devices, { "eSafe Config File Devices", "dhcp.option.vendor.cl.esafe_config_file_devices", FT_STRINGZ, BASE_NONE, NULL, 0x0, "Option 43:CL 15 eSafe Config File Devices", HFILL }}, { &hf_dhcp_option43_cl_video_security_tape, { "Video Security Type", "dhcp.option.vendor.cl.video_security_tape", FT_STRINGZ, BASE_NONE, NULL, 0x0, "Option 43:CL 18 Video Security Type", HFILL }}, { &hf_dhcp_option43_cl_mta_mac_address, { "MTA MAC Address", "dhcp.option.vendor.cl.mta_mac_address", FT_ETHER, BASE_NONE, NULL, 0x0, "Option 43:CL 31 MTA MAC Address", HFILL }}, { &hf_dhcp_option43_cl_correlation_ID, { "Correlation ID", "dhcp.option.vendor.cl.correlation_ID", FT_UINT32, BASE_DEC, NULL, 0x0, "Option 43: CL 32 Correlation ID", HFILL }}, { &hf_dhcp_option43_cl_vendor_name51, { "Vendor Name", "dhcp.option.vendor.cl.vendor_name51", FT_STRINGZ, BASE_NONE, NULL, 0x0, "Option 43:CL 51 Vendor Name", HFILL }}, { &hf_dhcp_option43_cl_cablecard_capability, { "CableCARD Capability", "dhcp.option.vendor.cl.cablecard_capability", FT_BYTES, BASE_NONE, NULL, 0x0, "Option 43:CL 52 CableCARD Capability", HFILL }}, { &hf_dhcp_option43_cl_device_id_ca, { "Device Identification (CA)", "dhcp.option.vendor.cl.device_id_ca", FT_BYTES, BASE_NONE, NULL, 0x0, "Option 43:CL 53 Device Identification (CA)", HFILL }}, { &hf_dhcp_option43_cl_device_id_x509, { "Device Identification (X.509)", "dhcp.option.vendor.cl.device_id_x509", FT_STRINGZ, BASE_NONE, NULL, 0x0, "Option 43:CL 54 Device Identification (X.509)", HFILL }}, { &hf_dhcp_option43_cl_end, { "CL End", "dhcp.option.vendor.cl.end", FT_UINT8, BASE_DEC, NULL, 0x0, "Option 43:CL 255 End", HFILL }}, { &hf_dhcp_option43_alcatel_suboption, { "Option 43 Suboption", "dhcp.option.vendor.alu.suboption", FT_UINT8, BASE_DEC, VALS(option43_alcatel_suboption_vals), 0x0, "Option 43:Alcatel Suboption", HFILL }}, { &hf_dhcp_option43_alcatel_padding, { "Padding", "dhcp.option.vendor.alu.padding", FT_UINT8, BASE_DEC, NULL, 0x0, "Option 43:Alcatel 0 Padding", HFILL }}, { &hf_dhcp_option43_alcatel_vlan_id, { "Voice VLAN ID", "dhcp.option.vendor.alu.vid", FT_UINT16, BASE_DEC, NULL, 0x0, "Option 43:Alcatel 58 Voice VLAN ID", HFILL }}, { &hf_dhcp_option43_alcatel_tftp1, { "Spatial Redundancy TFTP1", "dhcp.option.vendor.alu.tftp1", FT_IPv4, BASE_NONE, NULL, 0x0, "Option 43:Alcatel 64 Spatial Redundancy TFTP1", HFILL }}, { &hf_dhcp_option43_alcatel_tftp2, { "Spatial Redundancy TFTP2", "dhcp.option.vendor.alu.tftp2", FT_IPv4, BASE_NONE, NULL, 0x0, "Option 43:Alcatel 65 Spatial Redundancy TFTP2", HFILL }}, { &hf_dhcp_option43_alcatel_app_type, { "Application Type", "dhcp.option.vendor.alu.app_type", FT_UINT8, BASE_DEC, VALS(option43_alcatel_app_type_vals), 0x0, "Option 43:Alcatel 66 Application Type", HFILL }}, { &hf_dhcp_option43_alcatel_sip_url, { "SIP URL", "dhcp.option.vendor.alu.sip_url", FT_STRING, BASE_NONE, NULL, 0x0, "Option 43:Alcatel 67 SIP URL", HFILL }}, { &hf_dhcp_option43_alcatel_end, { "Alcatel End", "dhcp.option.vendor.alu.end", FT_UINT8, BASE_DEC, NULL, 0x0, "Option 43:Alcatel 255 End", HFILL }}, { &hf_dhcp_option43_arubaap_controllerip, { "Aruba Controller IP", "dhcp.option.vendor.arubaap.controllerip", FT_STRING, BASE_NONE, NULL, 0x0, "Address IP of Aruba controller", HFILL }}, { &hf_dhcp_option43_arubaiap, { "Aruba Instant AP", "dhcp.option.vendor.arubaiap", FT_STRING, BASE_NONE, NULL, 0x0, "nameorg,amp-ip-address,password", HFILL }}, { &hf_dhcp_option43_arubaiap_nameorg, { "Name Organisation", "dhcp.option.vendor.arubaiap.name_org", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL }}, { &hf_dhcp_option43_arubaiap_ampip, { "AMP IP Address", "dhcp.option.vendor.arubaiap.amp_ip", FT_STRING, BASE_NONE, NULL, 0x0, "Address IP of Airwave server (AMP)", HFILL }}, { &hf_dhcp_option43_arubaiap_password, { "Password", "dhcp.option.vendor.arubaiap.password", FT_STRING, BASE_NONE, NULL, 0x0, "Password for Instant AP Airwave server (AMP)", HFILL }}, { &hf_dhcp_option43_bsdp_suboption, { "Option 43 Suboption", "dhcp.option.vendor.bsdp.suboption", FT_UINT8, BASE_DEC, VALS(option43_cl_suboption_vals), 0x0, "Option 43:BSDP Suboption", HFILL }}, { &hf_dhcp_option43_bsdp_message_type, { "Message Type", "dhcp.option.vendor.bsdp.message_type", FT_UINT8, BASE_DEC, VALS(o43_bsdp_message_type_vals), 0x0, NULL, HFILL }}, { &hf_dhcp_option43_bsdp_version, { "Version", "dhcp.option.vendor.bsdp.version", FT_UINT16, BASE_HEX, NULL, 0x0, NULL, HFILL }}, { &hf_dhcp_option43_bsdp_server_identifier, { "Server Identifier", "dhcp.option.vendor.bsdp.server_identifier", FT_IPv4, BASE_NONE, NULL, 0x0, NULL, HFILL }}, { &hf_dhcp_option43_bsdp_server_priority, { "Server Priority", "dhcp.option.vendor.bsdp.server_priority", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }}, { &hf_dhcp_option43_bsdp_reply_port, { "Reply Port", "dhcp.option.vendor.bsdp.reply_port", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }}, { &hf_dhcp_option43_bsdp_boot_image_list_path, { "Boot Image List Path", "dhcp.option.vendor.bsdp.boot_image_list_path", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL }}, { &hf_dhcp_option43_bsdp_boot_image_index, { "Boot Image Index", "dhcp.option.vendor.bsdp.boot_image.index", FT_UINT16, BASE_HEX, NULL, 0x0, NULL, HFILL }}, { &hf_dhcp_option43_bsdp_default_boot_image_id, { "Default Boot Image ID", "dhcp.option.vendor.bsdp.default_boot_image_id", FT_UINT32, BASE_HEX, NULL, 0x0, NULL, HFILL }}, { &hf_dhcp_option43_bsdp_selected_boot_image_id, { "Selected Boot Image ID", "dhcp.option.vendor.bsdp.selected_boot_image_id", FT_UINT32, BASE_HEX, NULL, 0x0, NULL, HFILL }}, { &hf_dhcp_option43_bsdp_boot_image_list, { "Boot Image List", "dhcp.option.vendor.bsdp.boot_image_list", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL }}, { &hf_dhcp_option43_bsdp_image_desc, { "Boot Image Description", "dhcp.option.vendor.bsdp.boot_image.desc", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL }}, { &hf_dhcp_option43_bsdp_boot_image_name_len, { "Boot Image Name Length", "dhcp.option.vendor.bsdp.boot_image.name_len", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL }}, { &hf_dhcp_option43_bsdp_boot_image_name, { "Boot Image Name", "dhcp.option.vendor.bsdp.boot_image.name", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL }}, { &hf_dhcp_option43_bsdp_netboot_firmware, { "NetBoot 1.0 Firmware", "dhcp.option.vendor.bsdp.netboot_firmware", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL }}, { &hf_dhcp_option43_bsdp_attributes_filter_list, { "Boot Image Attributes Filter List", "dhcp.option.vendor.bsdp.attributes_filter_list", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL }}, { &hf_dhcp_option43_bsdp_boot_image_attribute, { "Boot Image Attribute", "dhcp.option.vendor.bsdp.boot_image.attribute", FT_UINT16, BASE_HEX, NULL, 0x0, NULL, HFILL }}, { &hf_dhcp_option43_bsdp_boot_image_attribute_install, { "Install", "dhcp.option.vendor.bsdp.boot_image.attribute.install", FT_UINT16, BASE_HEX, VALS(o43_bsdp_boot_image_install_vals), 0x8000, "Boot Image Attribute Install", HFILL }}, { &hf_dhcp_option43_bsdp_boot_image_attribute_kind, { "Kind", "dhcp.option.vendor.bsdp.boot_image.attribute.kind", FT_UINT16, BASE_HEX, VALS(o43_bsdp_boot_image_kind_vals), 0x7f00, "Boot Image Attribute Kind", HFILL }}, { &hf_dhcp_option43_bsdp_boot_image_attribute_reserved, { "Reserved", "dhcp.option.vendor.bsdp.boot_image.attribute.reserved", FT_UINT16, BASE_HEX, NULL, 0x00ff, "Boot Image Attribute Reserved", HFILL }}, { &hf_dhcp_option43_bsdp_message_size, { "Message Size", "dhcp.option.vendor.bsdp.message_size", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }}, { &hf_dhcp_option_netbios_over_tcpip_name_server, { "NetBIOS over TCP/IP Name Server", "dhcp.option.netbios_over_tcpip_name_server", FT_IPv4, BASE_NONE, NULL, 0x00, "Option 44: NetBIOS over TCP/IP Name Server", HFILL }}, { &hf_dhcp_option_netbios_over_tcpip_dd_name_server, { "NetBIOS over TCP/IP Datagram Distribution Name Server", "dhcp.option.netbios_over_tcpip_dd_name_server", FT_IPv4, BASE_NONE, NULL, 0x00, "Option 45: NetBIOS over TCP/IP Datagram Distribution Name Server", HFILL }}, { &hf_dhcp_option_netbios_over_tcpip_node_type, { "NetBIOS over TCP/IP Node Type", "dhcp.option.netbios_over_tcpip_node_type", FT_UINT8, BASE_DEC, VALS(dhcp_nbnt_vals), 0x0, "Option 46: NetBIOS over TCP/IP Node Type", HFILL }}, { &hf_dhcp_option_netbios_over_tcpip_scope, { "NetBIOS over TCP/IP Scope", "dhcp.option.netbios_over_tcpip_scope", FT_STRINGZ, BASE_NONE, NULL, 0x0, "Option 47: NetBIOS over TCP/IP Scope", HFILL }}, { &hf_dhcp_option_xwindows_system_font_server, { "X Window System Font Server", "dhcp.option.xwindows_system_font_server", FT_IPv4, BASE_NONE, NULL, 0x00, "Option 48: X Window System Font Server", HFILL }}, { &hf_dhcp_option_xwindows_system_display_manager, { "X Window System Display Manager", "dhcp.option.xwindows_system_display_manager", FT_IPv4, BASE_NONE, NULL, 0x00, "Option 49: X Window System Display Manager", HFILL }}, { &hf_dhcp_option_requested_ip_address, { "Requested IP Address", "dhcp.option.requested_ip_address", FT_IPv4, BASE_NONE, NULL, 0x00, "Option 50: Requested IP Address", HFILL }}, { &hf_dhcp_option_ip_address_lease_time, { "IP Address Lease Time", "dhcp.option.ip_address_lease_time", FT_UINT32, BASE_CUSTOM, CF_FUNC(dhcp_time_in_u_secs_fmt), 0x0, "Option 51: IP Address Lease Time", HFILL }}, { &hf_dhcp_option_option_overload, { "Option Overload", "dhcp.option.option_overload", FT_UINT8, BASE_DEC, VALS(opt_overload_vals), 0x0, "Option 52: Option Overload", HFILL }}, { &hf_dhcp_option_dhcp, { "DHCP", "dhcp.option.dhcp", FT_UINT8, BASE_DEC, VALS(opt53_text), 0x0, "Option 53: DHCP option", HFILL }}, { &hf_dhcp_option_dhcp_server_id, { "DHCP Server Identifier", "dhcp.option.dhcp_server_id", FT_IPv4, BASE_NONE, NULL, 0x00, "Option 54: DHCP Server Identifier", HFILL }}, { &hf_dhcp_option_parameter_request_list_item, { "Parameter Request List Item", "dhcp.option.request_list_item", FT_UINT8, BASE_DEC, NULL, 0x0, "Option 55: Parameter Request List Item", HFILL }}, { &hf_dhcp_option_message, { "Message", "dhcp.option.message", FT_STRINGZ, BASE_NONE, NULL, 0x0, "Option 56: Option message", HFILL }}, { &hf_dhcp_option_dhcp_max_message_size, { "Maximum DHCP Message Size", "dhcp.option.dhcp_max_message_size", FT_UINT16, BASE_DEC, NULL, 0x0, "Option 57: Maximum DHCP Message Size", HFILL }}, { &hf_dhcp_option_renewal_time_value, { "Renewal Time Value", "dhcp.option.renewal_time_value", FT_UINT32, BASE_CUSTOM, CF_FUNC(dhcp_time_in_u_secs_fmt), 0x0, "Option 58: Renewal Time Value", HFILL }}, { &hf_dhcp_option_rebinding_time_value, { "Rebinding Time Value", "dhcp.option.rebinding_time_value", FT_UINT32, BASE_CUSTOM, CF_FUNC(dhcp_time_in_u_secs_fmt), 0x0, "Option 59: Rebinding Time Value", HFILL }}, { &hf_dhcp_option_vendor_class_id, { "Vendor class identifier", "dhcp.option.vendor_class_id", FT_STRINGZ, BASE_NONE, NULL, 0x0, "Option 60: Vendor class identifier", HFILL }}, { &hf_dhcp_option_vendor_class_data, { "vendor-class-data", "dhcp.option.vendor_class_data", FT_STRINGZ, BASE_NONE, NULL, 0x0, "Option 60: Vendor class data", HFILL }}, { &hf_dhcp_option_novell_netware_ip_domain, { "Novell/Netware IP domain", "dhcp.option.novell_netware_ip_domain", FT_STRINGZ, BASE_NONE, NULL, 0x0, "Option 62: Novell/Netware IP domain", HFILL }}, { &hf_dhcp_option63_suboption, { "Option 63 Suboption", "dhcp.option.novell_options.suboption", FT_UINT8, BASE_DEC, VALS(option63_suboption_vals), 0x0, "Option 63: Suboption", HFILL }}, { &hf_dhcp_option63_value, { "Value", "dhcp.option.novell_options.value", FT_BYTES, BASE_NONE, NULL, 0x0, "Option 63: Suboption value", HFILL }}, { &hf_dhcp_option63_value_8, { "Value", "dhcp.option.novell_options.value.uint", FT_UINT8, BASE_DEC, NULL, 0x0, "Option 63: Suboption 8-bit value", HFILL }}, { &hf_dhcp_option63_value_ip_address, { "Value", "dhcp.option.novell_options.value.address", FT_IPv4, BASE_NONE, NULL, 0x00, "Option 63: Suboption IP address", HFILL }}, { &hf_dhcp_option63_value_boolean, { "Value", "dhcp.option.novell_options.value.bool", FT_BOOLEAN, BASE_NONE, NULL, 0x00, "Option 63: Suboption Boolean value", HFILL }}, { &hf_dhcp_option63_broadcast, { "Broadcast for nearest Netware server", "dhcp.option.novell_options.broadcast", FT_BOOLEAN, BASE_NONE, TFS(&tfs_yes_no), 0x00, "Option 63:5 Broadcast for nearest Netware server", HFILL }}, { &hf_dhcp_option63_preferred_dss_server, { "Preferred DSS server", "dhcp.option.novell_options.preferred_dss_server", FT_IPv4, BASE_NONE, NULL, 0x00, "Option 63:6 Preferred DSS server", HFILL }}, { &hf_dhcp_option63_nearest_nwip_server, { "Nearest NWIP server", "dhcp.option.novell_options.nearest_nwip_server", FT_IPv4, BASE_NONE, NULL, 0x00, "Option 63:7 Nearest NWIP server", HFILL }}, { &hf_dhcp_option63_autoretries, { "Autoretries", "dhcp.option.novell_options.autoretries", FT_UINT8, BASE_DEC, NULL, 0x0, "Option 63:8 Autoretries", HFILL }}, { &hf_dhcp_option63_autoretry_delay, { "Autoretry delay, sec", "dhcp.option.novell_options.autoretry_delay", FT_UINT8, BASE_DEC, NULL, 0x0, "Option 63:9 Autoretry delay, sec", HFILL }}, { &hf_dhcp_option63_support_netware_v1_1, { "Broadcast for nearest Netware server", "dhcp.option.novell_options.support_netware_v1_1", FT_BOOLEAN, BASE_NONE, TFS(&tfs_yes_no), 0x00, "Option 63:10 Broadcast for nearest Netware server", HFILL }}, { &hf_dhcp_option63_primary_dss, { "Primary DSS", "dhcp.option.novell_options.primary_dss", FT_IPv4, BASE_NONE, NULL, 0x00, "Option 63:11 Primary DSS", HFILL }}, { &hf_dhcp_option_nis_plus_domain, { "Network Information Service+ Domain", "dhcp.option.nis_plus_domain", FT_STRINGZ, BASE_NONE, NULL, 0x0, "Option 64: Network Information Service+ Domain", HFILL }}, { &hf_dhcp_option_nis_plus_server, { "Network Information Service+ Server", "dhcp.option.nis_plus_server", FT_IPv4, BASE_NONE, NULL, 0x00, "Option 65: Network Information Service+ Server", HFILL }}, { &hf_dhcp_option_tftp_server_name, { "TFTP Server Name", "dhcp.option.tftp_server_name", FT_STRINGZ, BASE_NONE, NULL, 0x0, "Option 66: TFTP Server Name", HFILL }}, { &hf_dhcp_option_bootfile_name, { "Bootfile name", "dhcp.option.bootfile_name", FT_STRINGZ, BASE_NONE, NULL, 0x0, "Option 67: Bootfile name", HFILL }}, { &hf_dhcp_option_mobile_ip_home_agent, { "Mobile IP Home Agent", "dhcp.option.mobile_ip_home_agent", FT_IPv4, BASE_NONE, NULL, 0x00, "Option 68: Mobile IP Home Agent", HFILL }}, { &hf_dhcp_option_smtp_server, { "SMTP Server", "dhcp.option.smtp_server", FT_IPv4, BASE_NONE, NULL, 0x00, "Option 69: SMTP Server", HFILL }}, { &hf_dhcp_option_pop3_server, { "POP3 Server", "dhcp.option.pop3_server", FT_IPv4, BASE_NONE, NULL, 0x00, "Option 70: POP3 Server", HFILL }}, { &hf_dhcp_option_nntp_server, { "NNTP Server", "dhcp.option.nntp_server", FT_IPv4, BASE_NONE, NULL, 0x00, "Option 71: NNTP Server", HFILL }}, { &hf_dhcp_option_default_www_server, { "Default WWW Server", "dhcp.option.default_www_server", FT_IPv4, BASE_NONE, NULL, 0x00, "Option 72: Default WWW Server", HFILL }}, { &hf_dhcp_option_default_finger_server, { "Default Finger Server", "dhcp.option.default_finger_server", FT_IPv4, BASE_NONE, NULL, 0x00, "Option 73: Default Finger Server", HFILL }}, { &hf_dhcp_option_default_irc_server, { "Default IRC Server", "dhcp.option.default_irc_server", FT_IPv4, BASE_NONE, NULL, 0x00, "Option 74: Default IRC Server", HFILL }}, { &hf_dhcp_option_streettalk_server, { "StreetTalk Server", "dhcp.option.streettalk_server", FT_IPv4, BASE_NONE, NULL, 0x00, "Option 75: StreetTalk Server", HFILL }}, { &hf_dhcp_option_streettalk_da_server, { "StreetTalk Directory Assistance Server", "dhcp.option.streettalk_da_server", FT_IPv4, BASE_NONE, NULL, 0x00, "Option 76: StreetTalk Directory Assistance Server", HFILL }}, { &hf_dhcp_option77_user_class, { "Instance of User Class", "dhcp.option.user_class", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL }}, { &hf_dhcp_option77_user_class_length, { "User Class Length", "dhcp.option.user_class.length", FT_UINT8, BASE_DEC, NULL, 0x0, "Length of User Class Instance", HFILL }}, { &hf_dhcp_option77_user_class_data, { "User Class Data", "dhcp.option.user_class.data", FT_BYTES, BASE_NONE, NULL, 0x0, "Data of User Class Instance", HFILL }}, { &hf_dhcp_option77_user_class_text, { "User Class Data (Text)", "dhcp.option.user_class.text", FT_STRING, BASE_NONE, NULL, 0x0, "Text of User Class Instance", HFILL }}, { &hf_dhcp_option77_user_class_binary_data_length, { "User Class Binary Data Length", "dhcp.option.user_class_binary_data_length", FT_UINT16, BASE_DEC, NULL, 0x0, "Length of User Class Binary Data (Microsoft)", HFILL }}, { &hf_dhcp_option77_user_class_binary_data, { "User Class Binary Data", "dhcp.option.user_class_binary_data", FT_STRING, BASE_NONE, NULL, 0x0, "User Class Binary Data (Microsoft)", HFILL }}, { &hf_dhcp_option77_user_class_padding, { "User Class padding", "dhcp.option.user_class_padding", FT_BYTES, BASE_NONE, NULL, 0x0, "User Class padding (Microsoft)", HFILL }}, { &hf_dhcp_option77_user_class_name_length, { "User Class Name Length", "dhcp.option.user_class_name_length", FT_UINT16, BASE_DEC, NULL, 0x0, "Length of User Class Name (Microsoft)", HFILL }}, { &hf_dhcp_option77_user_class_name, { "User Class Name", "dhcp.option.user_class_name", FT_STRINGZPAD, BASE_NONE, NULL, 0x0, "User Class Name (Microsoft)", HFILL }}, { &hf_dhcp_option77_user_class_description_length, { "User Class Description Length", "dhcp.option.user_class_description_length", FT_UINT16, BASE_DEC, NULL, 0x0, "Length of User Class Description (Microsoft)", HFILL }}, { &hf_dhcp_option77_user_class_description, { "User Class Description", "dhcp.option.user_class_description", FT_STRINGZPAD, BASE_NONE, NULL, 0x0, "User Class Description (Microsoft)", HFILL }}, { &hf_dhcp_option_slp_directory_agent_value, { "Value", "dhcp.option.slp_directory_agent.value", FT_UINT8, BASE_DEC, VALS(slpda_vals), 0x0, "Option 78: SLPDA Value", HFILL }}, { &hf_dhcp_option_slp_directory_agent_slpda_address, { "IP Address", "dhcp.option.slp_directory_agent.slpda_address", FT_IPv4, BASE_NONE, NULL, 0x00, "Option 78: SLPDA Address", HFILL }}, { &hf_dhcp_option_slp_service_scope_value, { "Value", "dhcp.option.slp_service_scope.value", FT_UINT8, BASE_DEC, VALS(slp_scope_vals), 0x0, "Option 79: SLP Service Scope Value", HFILL }}, { &hf_dhcp_option_slp_service_scope_string, { "SLP Service Scope", "dhcp.option.slp_service_scope.string", FT_STRINGZ, BASE_NONE, NULL, 0x0, "Option 79: SLP Service Scope", HFILL }}, { &hf_dhcp_option82_suboption, { "Option 82 Suboption", "dhcp.option.agent_information_option.suboption", FT_UINT8, BASE_DEC, VALS(option82_suboption_vals), 0x0, "Option 82: Suboption", HFILL }}, { &hf_dhcp_option82_value, { "Value", "dhcp.option.agent_information_option.value", FT_BYTES, BASE_NONE, NULL, 0x0, "Option 82: Suboption value", HFILL }}, { &hf_dhcp_option82_value_8, { "Value", "dhcp.option.agent_information_option.value.uint", FT_UINT8, BASE_DEC, NULL, 0x0, "Option 82: Suboption 8-bit value", HFILL }}, { &hf_dhcp_option82_value_16, { "Value", "dhcp.option.agent_information_option.value.uint", FT_UINT16, BASE_DEC, NULL, 0x0, "Option 162: Suboption 16-bit value", HFILL }}, { &hf_dhcp_option82_value_32, { "Value", "dhcp.option.agent_information_option.value.uint", FT_UINT32, BASE_DEC, NULL, 0x0, "Option 82: Suboption 32-bit value", HFILL }}, { &hf_dhcp_option82_value_ip_address, { "Value", "dhcp.option.agent_information_option.value.address", FT_IPv4, BASE_NONE, NULL, 0x00, "Option 82: Suboption IP address", HFILL }}, { &hf_dhcp_option82_value_stringz, { "Value", "dhcp.option.agent_information_option.value.string", FT_STRINGZ, BASE_NONE, NULL, 0x0, "Option 82: Suboption Z-String value", HFILL }}, { &hf_dhcp_option82_padding, { "Padding", "dhcp.option.agent_information_option.padding", FT_UINT8, BASE_DEC, NULL, 0x0, "Option 82:0 Padding", HFILL }}, { &hf_dhcp_option82_agent_circuit_id, { "Agent Circuit ID", "dhcp.option.agent_information_option.agent_circuit_id", FT_BYTES, BASE_NONE, NULL, 0x0, "Option 82:1 Agent Circuit ID", HFILL }}, { &hf_dhcp_option82_agent_remote_id, { "Agent Remote ID", "dhcp.option.agent_information_option.agent_remote_id", FT_BYTES, BASE_NONE, NULL, 0x0, "Option 82:2 Agent Remote ID", HFILL }}, { &hf_dhcp_option82_reserved, { "Reserved", "dhcp.option.agent_information_option.reserved", FT_BYTES, BASE_NONE, NULL, 0x0, "Option 82:3 Reserved", HFILL }}, { &hf_dhcp_option82_docsis_device_class, { "DOCSIS Device Class", "dhcp.option.agent_information_option.docsis_device_class", FT_UINT32, BASE_HEX, NULL, 0x0, "Option 82:4 DOCSIS Device Class", HFILL }}, { &hf_dhcp_option82_link_selection, { "Link selection", "dhcp.option.agent_information_option.link_selection", FT_IPv4, BASE_NONE, NULL, 0x00, "Option 82:5 Link selection", HFILL }}, { &hf_dhcp_option82_subscriber_id, { "Subscriber ID", "dhcp.option.agent_information_option.subscriber_id", FT_STRINGZ, BASE_NONE, NULL, 0x0, "Option 82:6 Subscriber ID", HFILL }}, { &hf_dhcp_option82_radius_attributes, { "RADIUS Attributes", "dhcp.option.agent_information_option.radius_attributes", FT_BYTES, BASE_NONE, NULL, 0x0, "Option 82:7 RADIUS Attributes", HFILL }}, { &hf_dhcp_option82_authentication, { "Authentication", "dhcp.option.agent_information_option.authentication", FT_BYTES, BASE_NONE, NULL, 0x0, "Option 82:8 Authentication", HFILL }}, { &hf_dhcp_option82_vi, { "Vendor-Specific Information", "dhcp.option.agent_information_option.vi", FT_BYTES, BASE_NONE, NULL, 0x0, "Option 82:9 Vendor-Specific Information", HFILL }}, { &hf_dhcp_option82_vi_enterprise, { "Enterprise", "dhcp.option.agent_information_option.vi.enterprise", FT_UINT32, BASE_ENTERPRISES, STRINGS_ENTERPRISES, 0x0, "Option 82:9 VI Enterprise", HFILL }}, { &hf_dhcp_option82_vi_data_length, { "Data Length", "dhcp.option.agent_information_option.vi.data_length", FT_UINT8, BASE_DEC, NULL, 0x0, "Option 82:9 VI Data Length", HFILL }}, { &hf_dhcp_option82_vi_cl_docsis_version, { "DOCSIS Version Number", "dhcp.option.agent_information_option.vi.cl.docsis_version", FT_UINT16, BASE_HEX, NULL, 0x0, "Option 82:9 VI CL DOCSIS Version Number", HFILL }}, { &hf_dhcp_option82_vi_cl_dpoe_system_version, { "DPoE System Version Number", "dhcp.option.agent_information_option.vi.cl.dpoe_system_version", FT_UINT16, BASE_HEX, NULL, 0x0, "Option 82:9 VI CL DPoE System Version Number", HFILL }}, { &hf_dhcp_option82_vi_cl_dpoe_system_pbb_service, { "DPoE System PBB Service", "dhcp.option.agent_information_option.vi.cl.dpoe_system_pbb_service", FT_BYTES, BASE_NONE, NULL, 0x0, "Option 82:9 VI CL DPoE System PBB Service", HFILL }}, { &hf_dhcp_option82_vi_cl_service_class_name, { "Service Class Name", "dhcp.option.agent_information_option.vi.cl.service_class_name", FT_STRING, BASE_NONE, NULL, 0x0, "Option 82:9 VI CL Service Class Name", HFILL }}, { &hf_dhcp_option82_vi_cl_mso_defined_text, { "MSO Defined Text", "dhcp.option.agent_information_option.vi.cl.mso_defined_text", FT_STRING, BASE_NONE, NULL, 0x0, "Option 82:9 VI CL MSO Defined Text", HFILL }}, { &hf_dhcp_option82_vi_cl_secure_file_transfer_uri, { "Secure File Transfer URI", "dhcp.option.agent_information_option.vi.cl.secure_file_transfer_uri", FT_STRING, BASE_NONE, NULL, 0x0, "Option 82:9 VI CL Secure File Transfer URI", HFILL }}, { &hf_dhcp_option82_flags, { "Flags", "dhcp.option.agent_information_option.flags", FT_UINT8, BASE_HEX, NULL, 0x0, "Option 82:10 Flags", HFILL }}, { &hf_dhcp_option82_server_id_override, { "Server ID Override", "dhcp.option.agent_information_option.server_id_override", FT_IPv4, BASE_NONE, NULL, 0x00, "Option 82:11 Server ID Override", HFILL }}, { &hf_dhcp_option82_relay_agent_id, { "Relay Agent Identifier", "dhcp.option.agent_information_option.relay_agent_id", FT_BYTES, BASE_NONE, NULL, 0x00, "Option 82:12 Relay Agent Identifier", HFILL }}, { &hf_dhcp_option82_option_ani_att, { "Access Technology Type", "dhcp.option.agent_information_option.ani_att", FT_UINT8, BASE_DEC, NULL, 0x00, "Option 82:13 Access Technology Type", HFILL }}, { &hf_dhcp_option82_option_ani_att_res, { "Access Technology Type", "dhcp.option.agent_information_option.ani_att.res", FT_UINT8, BASE_DEC, NULL, 0x00, "Option 82:13 Access Technology Type Reserved", HFILL }}, { &hf_dhcp_option82_option_ani_att_att, { "Access Technology Type", "dhcp.option.agent_information_option.ani_att.att", FT_UINT8, BASE_DEC, NULL, 0x00, "Option 82:13 Access Technology Type Value", HFILL }}, { &hf_dhcp_option82_option_ani_network_name, { "Access Network Name", "dhcp.option.agent_information_option.ani_network_name", FT_STRING, BASE_NONE, NULL, 0x00, "Option 82:14 Access Network Name", HFILL }}, { &hf_dhcp_option82_option_ani_ap_name, { "Access Point Name", "dhcp.option.agent_information_option.ani_ap_name", FT_STRING, BASE_NONE, NULL, 0x00, "Option 82:15 Access Point Name", HFILL }}, { &hf_dhcp_option82_option_ani_ap_bssid, { "Access Point BSSID", "dhcp.option.agent_information_option.ani_ap_bssid", FT_ETHER, BASE_NONE, NULL, 0x0, "Option 82:16 Access Point BSSID", HFILL }}, { &hf_dhcp_option82_option_ani_operator_id, { "Access Network Operator ID", "dhcp.option.agent_information_option.ani_operator_id", FT_BYTES, BASE_NONE, NULL, 0x00, "Option 82:17 Access Network Operator ID", HFILL }}, { &hf_dhcp_option82_option_ani_operator_realm, { "Access Network Operator Realm", "dhcp.option.agent_information_option.ani_operator_realm", FT_STRING, BASE_NONE, NULL, 0x00, "Option 82:18 Access Network Operator Realm", HFILL }}, { &hf_dhcp_option82_option_source_port, { "Source Port", "dhcp.option.agent_information_option.source_port", FT_NONE, BASE_NONE, NULL, 0x00, "Option 82:19 Source Port", HFILL }}, { &hf_dhcp_option82_link_selection_cisco, { "Link selection (Cisco proprietary)", "dhcp.option.agent_information_option.link_selection_cisco", FT_IPv4, BASE_NONE, NULL, 0x00, "Option 82:150 Link selection (Cisco proprietary)", HFILL }}, { &hf_dhcp_option82_vrf_name_vpn_id, { "VRF name/VPN ID", "dhcp.option.agent_information_option.vrf_name.vpn_id", FT_BYTES, BASE_NONE, NULL, 0x00, "Option 82:151 VRF name/VPN ID", HFILL }}, { &hf_dhcp_option82_vrf_name_global, { "Global, default VPN", "dhcp.option.agent_information_option.vrf_name.global", FT_UINT8, BASE_DEC, NULL, 0x00, "Option 82:151 Global, default VPN", HFILL }}, { &hf_dhcp_option82_vrf_name, { "VRF name", "dhcp.option.agent_information_option.vrf_name", FT_STRING, BASE_NONE, NULL, 0x00, "Option 82:151 VRF name", HFILL }}, { &hf_dhcp_option82_vrf_name_vpn_id_oui, { "VRF name/VPN ID OUI", "dhcp.option.agent_information_option.vrf_name.vpn_id.oui", FT_UINT24, BASE_HEX, NULL, 0x00, "Option 82:151 VRF name/VPN ID OUI", HFILL }}, { &hf_dhcp_option82_vrf_name_vpn_id_index, { "VRF name/VPN ID Index", "dhcp.option.agent_information_option.vrf_name.vpn_id.index", FT_UINT32, BASE_HEX, NULL, 0x00, "Option 82:151 VRF name/VPN ID Index", HFILL }}, { &hf_dhcp_option82_server_id_override_cisco, { "Server ID Override (Cisco proprietary)", "dhcp.option.agent_information_option.server_id_override_cisco", FT_IPv4, BASE_NONE, NULL, 0x00, "Option 82:152 Server ID Override (Cisco proprietary)", HFILL }}, { &hf_dhcp_option_isns_functions, { "iSNS Functions", "dhcp.option.isns.functions", FT_UINT16, BASE_HEX, NULL, 0x00, "iSNS: the functions supported by the iSNS servers", HFILL }}, { &hf_dhcp_option_isns_functions_enabled, { "Function Fields Enabled", "dhcp.option.isns.functions.enabled", FT_BOOLEAN, 16, TFS(&tfs_yes_no), F_ISNS_FUNCTIONS_ENABLED, "If set to zero, then the contents of all other iSNS Function fields MUST be ignored", HFILL }}, { &hf_dhcp_option_isns_functions_dd_authorization, { "Discovery Domain based Authorization", "dhcp.option.isns.functions.dd_base_authorization", FT_BOOLEAN, 16, TFS(&tfs_isns_function_dd_based_auth), F_ISNS_FUNCTIONS_DD_AUTH, "If set to zero, then access authorization must be explicitly performed by each device", HFILL }}, { &hf_dhcp_option_isns_functions_sec_policy_distibution, { "Security Policy Distribution", "dhcp.option.isns.functions.sec_policy_distribution", FT_BOOLEAN, 16, TFS(&tfs_isns_functions_sec_distrib), F_ISNS_FUNCTIONS_SEC_POLICY, NULL, HFILL }}, { &hf_dhcp_option_isns_functions_reserved, { "Reserved flags", "dhcp.option.isns.functions.reserved", FT_UINT16, BASE_HEX, NULL, F_ISNS_FUNCTIONS_RESERVED, NULL, HFILL }}, { &hf_dhcp_option_isns_discovery_domain_access, { "Discovery Domain Access flags", "dhcp.option.isns.discovery_domain_access", FT_UINT16, BASE_HEX, NULL, 0x00, "iSNS: the types of iSNS clients that are allowed to modify Discovery Domains", HFILL }}, { &hf_dhcp_option_isns_discovery_domain_access_enabled, { "Discovery Domain Enabled", "dhcp.option.isns.discovery_domain_access.enabled", FT_BOOLEAN, 16, TFS(&tfs_yes_no), F_ISNS_DD_ACCESS_ENABLED, "If set to zero, then the contents of the remainder of this field MUST be ignored", HFILL }}, { &hf_dhcp_option_isns_discovery_domain_access_control_node, { "Control Node", "dhcp.option.isns.discovery_domain_access_control.node", FT_BOOLEAN, 16, TFS(&tfs_yes_no), F_ISNS_DD_ACCESS_CTRL_NODE, NULL, HFILL }}, { &hf_dhcp_option_isns_discovery_domain_access_iscsi_target, { "iSCSI Target", "dhcp.option.isns.discovery_domain_access.iscsi_target", FT_BOOLEAN, 16, TFS(&tfs_yes_no), F_ISNS_DD_ACCESS_ISCSI_TARGET, NULL, HFILL }}, { &hf_dhcp_option_isns_discovery_domain_access_iscsi_inititator, { "iSCSI Initiator", "dhcp.option.isns.discovery_domain_access.iscsi_initiator", FT_BOOLEAN, 16, TFS(&tfs_yes_no), F_ISNS_DD_ACCESS_ISCSI_INITIATOR, NULL, HFILL }}, { &hf_dhcp_option_isns_discovery_domain_access_ifcp_target_port, { "iFCP Target Port", "dhcp.option.isns.discovery_domain_access.ifcp_target_port", FT_BOOLEAN, 16, TFS(&tfs_yes_no), F_ISNS_DD_ACCESS_IFCP_TARGET_PORT, NULL, HFILL }}, { &hf_dhcp_option_isns_discovery_domain_access_ifcp_initiator_port, { "iFCP Initiator Port", "dhcp.option.isns.discovery_domain_access.initiator_target_port", FT_BOOLEAN, 16, TFS(&tfs_yes_no), F_ISNS_DD_ACCESS_IFCP_INITIATOR_PORT, NULL, HFILL }}, { &hf_dhcp_option_isns_discovery_domain_access_reserved, { "Reserved Flags", "dhcp.option.isns.discovery_domain_access.reserved", FT_UINT16, BASE_HEX, NULL, F_ISNS_DD_ACCESS_RESERVED, NULL, HFILL }}, { &hf_dhcp_option_isns_administrative_flags, { "Administrative Flags", "dhcp.option.isns.administrative_flags", FT_UINT16, BASE_HEX, NULL, 0x00, "iSNS: administrative settings for the iSNS servers discovered through the DHCP query", HFILL }}, { &hf_dhcp_option_isns_administrative_flags_enabled, { "Administrative Flags Enabled", "dhcp.option.isns.administrative_flags.enabled", FT_BOOLEAN, 16, TFS(&tfs_yes_no), F_ISNS_ADMIN_FLAGS_ENABLED, NULL, HFILL }}, { &hf_dhcp_option_isns_administrative_flags_heartbeat, { "Heartbeat", "dhcp.option.isns.administrative_flags.heartbeat", FT_BOOLEAN, 16, TFS(&tfs_yes_no), F_ISNS_ADMIN_FLAGS_HEARTBEAT, NULL, HFILL }}, { &hf_dhcp_option_isns_administrative_flags_management_scns, { "Management SCNs", "dhcp.option.isns.administrative_flags.management_scns", FT_BOOLEAN, 16, TFS(&tfs_yes_no), F_ISNS_ADMIN_FLAGS_MANAGEMENT_SCNS, NULL, HFILL }}, { &hf_dhcp_option_isns_administrative_flags_default_dd, { "Default Discovery Domain", "dhcp.option.isns.administrative_flags.default_discovery_domain", FT_BOOLEAN, 16, TFS(&tfs_yes_no), F_ISNS_ADMIN_FLAGS_DEFAULT_DD, NULL, HFILL }}, { &hf_dhcp_option_isns_administrative_flags_reserved, { "Reserved Flags", "dhcp.option.isns.administrative_flags.reserved", FT_UINT16, BASE_HEX, NULL, F_ISNS_ADMIN_FLAGS_RESERVED, NULL, HFILL }}, { &hf_dhcp_option_isns_server_security_bitmap, { "iSNS Server Security Bitmap", "dhcp.option.isns.server_security_bitmap", FT_UINT32, BASE_HEX, NULL, 0x00, "iSNS: server security settings", HFILL }}, { &hf_dhcp_option_isns_server_security_bitmap_enabled, { "Server Security Bitmap Enabled", "dhcp.option.isns.server_security_bitmap.enabled", FT_BOOLEAN, 16, TFS(&tfs_yes_no), F_ISNS_SRV_SEC_BITMAP_ENABLED, NULL, HFILL }}, { &hf_dhcp_option_isns_server_security_bitmap_ike_ipsec_enabled, { "IKE/IPSec", "dhcp.option.isns.server_security_bitmap.ike_ipsec_enabled", FT_BOOLEAN, 16, TFS(&tfs_enabled_disabled), F_ISNS_SRV_SEC_BITMAP_IKE_IPSEC, NULL, HFILL }}, { &hf_dhcp_option_isns_server_security_bitmap_main_mode, { "Main Mode", "dhcp.option.isns.server_security_bitmap.main_mode", FT_BOOLEAN, 16, TFS(&tfs_enabled_disabled), F_ISNS_SRV_SEC_BITMAP_MAIN_MODE, NULL, HFILL }}, { &hf_dhcp_option_isns_server_security_bitmap_aggressive_mode, { "Aggressive Mode", "dhcp.option.isns.server_security_bitmap.aggressive_mode", FT_BOOLEAN, 16, TFS(&tfs_enabled_disabled), F_ISNS_SRV_SEC_BITMAP_AGGRESSIVE, NULL, HFILL }}, { &hf_dhcp_option_isns_server_security_bitmap_pfs, { "PFS", "dhcp.option.isns.server_security_bitmap.pfs", FT_BOOLEAN, 16, TFS(&tfs_enabled_disabled), F_ISNS_SRV_SEC_BITMAP_PFS, NULL, HFILL }}, { &hf_dhcp_option_isns_server_security_bitmap_transport_mode, { "Transport Mode", "dhcp.option.isns.server_security_bitmap.transport_mode", FT_BOOLEAN, 16, TFS(&tfs_preferred_no_preference), F_ISNS_SRV_SEC_BITMAP_TRASPORT_MODE, NULL, HFILL }}, { &hf_dhcp_option_isns_server_security_bitmap_tunnel_mode, { "Tunnel Mode", "dhcp.option.isns.server_security_bitmap.tunnel_mode", FT_BOOLEAN, 16, TFS(&tfs_preferred_no_preference), F_ISNS_SRV_SEC_BITMAP_TUNNEL_MODE, NULL, HFILL }}, { &hf_dhcp_option_isns_server_security_bitmap_reserved, { "Reserved Flags", "dhcp.option.isns.server_security_bitmap.reserved", FT_UINT16, BASE_HEX, NULL, F_ISNS_SRV_SEC_BITMAP_RESERVED, NULL, HFILL }}, { &hf_dhcp_option_isns_primary_server_addr, { "Primary Server Address", "dhcp.option.isns.primary_server_addr", FT_IPv4, BASE_NONE, NULL, 0x00, "iSNS: IP address of the primary server", HFILL }}, { &hf_dhcp_option_isns_heartbeat_originator_addr, { "Heartbeat Originator Address", "dhcp.option.isns.heartbeat_originator_addr", FT_IPv4, BASE_NONE, NULL, 0x00, "iSNS: IP address from which the iSNS heartbeat originates", HFILL }}, { &hf_dhcp_option_isns_secondary_server_addr_list, { "Secondary Server Address", "dhcp.option.isns.secondary_server_addr", FT_IPv4, BASE_NONE, NULL, 0x00, "iSNS: a list of IP addresses of the secondary iSNS servers", HFILL }}, { &hf_dhcp_option_novell_dss_string, { "Novell Directory Services Servers String", "dhcp.option.novell_dss.string", FT_STRINGZ, BASE_NONE, NULL, 0x0, "Option 85: Novell Directory Services Servers String", HFILL }}, { &hf_dhcp_option_novell_dss_ip, { "IP Address", "dhcp.option.novell_dss.ip", FT_IPv4, BASE_NONE, NULL, 0x00, "Option 85: Novell Directory Services Servers IP Address", HFILL }}, { &hf_dhcp_option_novell_ds_tree_name, { "Novell Directory Services Tree Name", "dhcp.option.novell_ds_tree_name", FT_STRINGZ, BASE_NONE, NULL, 0x0, "Option 86: Novell Directory Services Tree Name", HFILL }}, { &hf_dhcp_option_novell_ds_context, { "Novell Directory Services Context", "dhcp.option.novell_ds_context", FT_STRINGZ, BASE_NONE, NULL, 0x0, "Option 87: Novell Directory Services Context", HFILL }}, { &hf_dhcp_option_dhcp_authentication_protocol, { "Protocol", "dhcp.option.dhcp_authentication.protocol", FT_UINT8, BASE_DEC, VALS(authen_protocol_vals), 0x0, "Option 90: Authentication Protocol", HFILL }}, { &hf_dhcp_option_dhcp_authentication_alg_delay, { "Delay Algorithm", "dhcp.option.dhcp_authentication.alg_delay", FT_UINT8, BASE_DEC, VALS(authen_da_algo_vals), 0x0, "Option 90: Delayed Authentication Algorithm", HFILL }}, { &hf_dhcp_option_dhcp_authentication_algorithm, { "Algorithm", "dhcp.option.dhcp_authentication.algorithm", FT_UINT8, BASE_DEC, NULL, 0x0, "Option 90: Authentication Algorithm", HFILL }}, { &hf_dhcp_option_dhcp_authentication_rdm, { "Replay Detection Method", "dhcp.option.dhcp_authentication.rdm", FT_UINT8, BASE_DEC, VALS(authen_rdm_vals), 0x0, "Option 90: Replay Detection Method", HFILL }}, { &hf_dhcp_option_dhcp_authentication_rdm_replay_detection, { "RDM Replay Detection Value", "dhcp.option.dhcp_authentication.rdm_replay_detection", FT_UINT64, BASE_HEX, NULL, 0x0, "Option 90: RDM Replay Detection Value", HFILL }}, { &hf_dhcp_option_dhcp_authentication_rdm_rdv, { "Replay Detection Value", "dhcp.option.dhcp_authentication.rdm_rdv", FT_STRINGZ, BASE_NONE, NULL, 0x0, "Option 90: Replay Detection Value", HFILL }}, { &hf_dhcp_option_dhcp_authentication_secret_id, { "Secret ID", "dhcp.option.dhcp_authentication.secret_id", FT_UINT32, BASE_HEX, NULL, 0x0, "Option 90: Secret ID", HFILL }}, { &hf_dhcp_option_dhcp_authentication_hmac_md5_hash, { "HMAC MD5 Hash", "dhcp.option.dhcp_authentication.hmac_md5_hash", FT_BYTES, BASE_NONE, NULL, 0x0, "Option 90: HMAC MD5 Hash", HFILL }}, { &hf_dhcp_option_dhcp_authentication_information, { "Authentication Information", "dhcp.option.dhcp_authentication.information", FT_STRINGZ, BASE_NONE, NULL, 0x0, "Option 90: Authentication Information", HFILL }}, { &hf_dhcp_option_client_last_transaction_time, { "Client last transaction time", "dhcp.option.client_last_transaction_time", FT_UINT32, BASE_CUSTOM, CF_FUNC(dhcp_time_in_u_secs_fmt), 0x0, "Option 91: Client last transaction time", HFILL }}, { &hf_dhcp_option_associated_ip_option, { "Associated IP option", "dhcp.option.associated_ip_option", FT_IPv4, BASE_NONE, NULL, 0x00, "Option 92: Associated IP option", HFILL }}, { &hf_dhcp_option_client_system_architecture, { "Client System Architecture", "dhcp.option.client_system_architecture", FT_UINT16, BASE_DEC, VALS(dhcp_client_arch), 0x0, "Option 93: Client System Architecture", HFILL }}, { &hf_dhcp_option_client_network_id_major_ver, { "Major Version", "dhcp.client_network_id_major", FT_UINT8, BASE_DEC, NULL, 0x0, "Option 94: Major Version", HFILL }}, { &hf_dhcp_option_client_network_id_minor_ver, { "Minor Version", "dhcp.client_network_id_minor", FT_UINT8, BASE_DEC, NULL, 0x0, "Option 94: Minor Version", HFILL }}, { &hf_dhcp_option_civic_location_what, { "What", "dhcp.option.civic_location.what", FT_UINT8, BASE_DEC, VALS(civic_address_what_values), 0x0, "Option 99: What", HFILL }}, { &hf_dhcp_option_civic_location_country, { "Country", "dhcp.option.civic_location.country", FT_STRINGZ, BASE_NONE, NULL, 0x0, "Option 99: Country", HFILL }}, { &hf_dhcp_option_civic_location_ca_type, { "CA Type", "dhcp.option.civic_location.ca_type", FT_UINT8, BASE_DEC, VALS(civic_address_type_values), 0x0, "Option 99: CA Type", HFILL }}, { &hf_dhcp_option_civic_location_ca_length, { "CA Length", "dhcp.option.civic_location.ca_length", FT_UINT8, BASE_DEC, NULL, 0x0, "Option 99: CA Length", HFILL }}, { &hf_dhcp_option_civic_location_ca_value, { "CA Value", "dhcp.option.civic_location.ca_value", FT_STRINGZ, BASE_NONE, NULL, 0x0, "Option 99: CA Value", HFILL }}, { &hf_dhcp_option_tz_pcode, { "TZ PCode", "dhcp.option.tz_pcode", FT_STRING, BASE_NONE, NULL, 0x0, "Option 100: TZ PCode", HFILL }}, { &hf_dhcp_option_tz_tcode, { "TZ TCode", "dhcp.option.tz_tcode", FT_STRING, BASE_NONE, NULL, 0x0, "Option 101: TZ TCode", HFILL }}, { &hf_dhcp_option_netinfo_parent_server_address, { "NetInfo Parent Server Address", "dhcp.option.netinfo_parent_server_address", FT_IPv4, BASE_NONE, NULL, 0x00, "Option 112: NetInfo Parent Server Address", HFILL }}, { &hf_dhcp_option_netinfo_parent_server_tag, { "NetInfo Parent Server Tag", "dhcp.option.netinfo_parent_server_tag", FT_STRINGZ, BASE_NONE, NULL, 0x0, "Option 113: NetInfo Parent Server Tag", HFILL }}, { &hf_dhcp_option_dhcp_auto_configuration, { "DHCP Auto-Configuration", "dhcp.option.dhcp_auto_configuration", FT_UINT8, BASE_DEC, VALS(dhcp_autoconfig), 0x0, "Option 116: DHCP Auto-Configuration", HFILL }}, { &hf_dhcp_option_dhcp_name_service_search_option, { "Name Service", "dhcp.option.dhcp_name_service_search_option", FT_STRINGZ, BASE_NONE, NULL, 0x0, "Option 117: Name Service", HFILL }}, { &hf_dhcp_option_dhcp_dns_domain_search_list_rfc_3396_detected, { "Encoding Long Options detected (RFC 3396)", "dhcp.option.dhcp_dns_domain_search_list_rfc_3396_detected", FT_STRINGZ, BASE_NONE, NULL, 0x0, "Option 119: Encoding Long Options detected (RFC 3396)", HFILL }}, { &hf_dhcp_option_dhcp_dns_domain_search_list_refer_last_option, { "For the data, please refer to last option 119", "dhcp.option.dhcp_dns_domain_search_list_refer_last_option", FT_STRINGZ, BASE_NONE, NULL, 0x0, "Option 119: For the data, please refer to last option 119", HFILL }}, { &hf_dhcp_option_dhcp_dns_domain_search_list_fqdn, { "FQDN", "dhcp.option.dhcp_dns_domain_search_list_fqdn", FT_STRINGZ, BASE_NONE, NULL, 0x0, "Option 119: FQDN", HFILL }}, { &hf_dhcp_option_sip_server_rfc_3396_detected, { "Encoding Long Options detected (RFC 3396)", "dhcp.option.sip_server.rfc_3396_detected", FT_STRINGZ, BASE_NONE, NULL, 0x0, "Option 120: Encoding Long Options detected (RFC 3396)", HFILL }}, { &hf_dhcp_option_sip_server_refer_last_option, { "For the data, please refer to last option 120", "dhcp.option.sip_server.refer_last_option", FT_STRINGZ, BASE_NONE, NULL, 0x0, "Option 120: For the data, please refer to last option 120", HFILL }}, { &hf_dhcp_option_sip_server_enc, { "SIP Server Encoding", "dhcp.option.sip_server.encoding", FT_UINT8, BASE_DEC, VALS(sip_server_enc_vals), 0x0, "Option 120: SIP Server encoding", HFILL }}, { &hf_dhcp_option_sip_server_name, { "SIP Server Name", "dhcp.option.sip_server.name", FT_STRINGZ, BASE_NONE, NULL, 0x0, "Option 120: SIP Server Name", HFILL }}, { &hf_dhcp_option_sip_server_address, { "SIP Server Address", "dhcp.option.sip_server.address", FT_IPv4, BASE_NONE, NULL, 0x0, "Option 120: SIP Server Address", HFILL }}, { &hf_dhcp_option_classless_static_route, { "Subnet/MaskWidth-Router", "dhcp.option.classless_static_route", FT_BYTES, BASE_NONE, NULL, 0x0, "Option 121: Subnet/MaskWidth-Router", HFILL }}, { &hf_dhcp_option_rfc3825_error, { "Error", "dhcp.option.rfc3825.error", FT_UINT8, BASE_DEC, VALS(rfc3825_error_types), 0x0, "Option 123: Error", HFILL }}, { &hf_dhcp_option_rfc3825_latitude, { "Latitude", "dhcp.option.rfc3825.latitude", FT_DOUBLE, BASE_NONE, NULL, 0x0, "Option 123: Latitude", HFILL }}, { &hf_dhcp_option_rfc3825_longitude, { "Longitude", "dhcp.option.rfc3825.longitude", FT_DOUBLE, BASE_NONE, NULL, 0x0, "Option 123: Longitude", HFILL }}, { &hf_dhcp_option_rfc3825_latitude_res, { "Latitude resolution", "dhcp.option.rfc3825.latitude_res", FT_DOUBLE, BASE_NONE, NULL, 0x0, "Option 123: Latitude resolution", HFILL }}, { &hf_dhcp_option_rfc3825_longitude_res, { "Longitude resolution", "dhcp.option.rfc3825.longitude_res", FT_DOUBLE, BASE_NONE, NULL, 0x0, "Option 123: Longitude resolution", HFILL }}, { &hf_dhcp_option_rfc3825_altitude, { "Altitude", "dhcp.option.rfc3825.altitude", FT_DOUBLE, BASE_NONE, NULL, 0x0, "Option 123: Altitude", HFILL }}, { &hf_dhcp_option_rfc3825_altitude_res, { "Altitude resolution", "dhcp.option.rfc3825.altitude_res", FT_DOUBLE, BASE_NONE, NULL, 0x0, "Option 123: Altitude resolution", HFILL }}, { &hf_dhcp_option_rfc3825_altitude_type, { "Altitude type", "dhcp.option.rfc3825.altitude_type", FT_UINT8, BASE_DEC, VALS(altitude_type_values), 0x0, "Option 123: Altitude type", HFILL }}, { &hf_dhcp_option_rfc3825_map_datum, { "Map Datum", "dhcp.option.rfc3825.map_datum", FT_UINT8, BASE_DEC, VALS(map_datum_type_values), 0x0, "Option 123: Map Datum", HFILL }}, { &hf_dhcp_option_cl_dss_id_option, { "DSS_ID Type", "dhcp.option.cl_dss_id.option", FT_UINT8, BASE_DEC, VALS(cl_dss_id_type_vals), 0x0, "Option 123:CL DSS_ID Type", HFILL }}, { &hf_dhcp_option_cl_dss_id_len, { "DSS_ID Length", "dhcp.option.cl_dss_id.len", FT_UINT8, BASE_DEC, NULL, 0x0, "Option 123:CL DSS_ID Length", HFILL }}, { &hf_dhcp_option_cl_dss_id, { "Country", "dhcp.option.cl_dss_id", FT_STRINGZ, BASE_NONE, NULL, 0x0, "Option 123:CL DSS_ID", HFILL }}, { &hf_dhcp_option_vi_class_cl_address_mode, { "CableLab Address Mode", "dhcp.option.vi_class.cl_address_mode", FT_UINT8, BASE_DEC, VALS(cablelab_ipaddr_mode_vals), 0x0, "Option 124: CableLab Address Mode", HFILL }}, { &hf_dhcp_option_vi_class_enterprise, { "Enterprise", "dhcp.option.vi_class.enterprise", FT_UINT32, BASE_ENTERPRISES, STRINGS_ENTERPRISES, 0x00, "Option 124: Enterprise", HFILL }}, { &hf_dhcp_option_vi_class_data_length, { "Length", "dhcp.option.vi_class.length", FT_UINT8, BASE_DEC, NULL, 0x0, "Option 124: Length", HFILL }}, { &hf_dhcp_option_vi_class_data_item_length, { "Length", "dhcp.option.vi_class.vendor_class_data.item.length", FT_UINT8, BASE_DEC, NULL, 0x0, "Option 124: Length", HFILL }}, { &hf_dhcp_option_vi_class_data_item_data, { "Data", "dhcp.option.vi_class.vendor_class_data.item.data", FT_BYTES, BASE_NONE, NULL, 0x0, "Option 124: Data", HFILL }}, { &hf_dhcp_option125_enterprise, { "Enterprise", "dhcp.option.vi.enterprise", FT_UINT32, BASE_ENTERPRISES, STRINGS_ENTERPRISES, 0x00, "Option 125: Enterprise", HFILL }}, { &hf_dhcp_option125_length, { "Length", "dhcp.option.vi.length", FT_UINT8, BASE_DEC, NULL, 0x00, "Option 125: Length", HFILL }}, { &hf_dhcp_option125_value, { "Value", "dhcp.option.vi.value", FT_BYTES, BASE_NONE, NULL, 0x0, "Option 125: Suboption value", HFILL }}, { &hf_dhcp_option125_value_8, { "Value", "dhcp.option.vi.value.uint", FT_UINT8, BASE_DEC, NULL, 0x0, "Option 125: Suboption 8-bit value", HFILL }}, { &hf_dhcp_option125_value_16, { "Value", "dhcp.option.vi.value.uint", FT_UINT16, BASE_DEC, NULL, 0x0, "Option 125: Suboption 16-bit value", HFILL }}, { &hf_dhcp_option125_value_ip_address, { "Value", "dhcp.option.vi.value.address", FT_IPv4, BASE_NONE, NULL, 0x00, "Option 125: Suboption IP address value", HFILL }}, { &hf_dhcp_option125_value_stringz, { "Value", "dhcp.option.vi.value.string", FT_STRINGZ, BASE_NONE, NULL, 0x0, "Option 125: Suboption Z-String value", HFILL }}, { &hf_dhcp_option125_tr111_suboption, { "Option 125 Suboption", "dhcp.option.vi.tr111.suboption", FT_UINT8, BASE_DEC, VALS(option125_tr111_suboption_vals), 0x0, "Option 125:TR 111 Suboption", HFILL }}, { &hf_dhcp_option125_tr111_device_manufacturer_oui, { "DeviceManufacturerOUI", "dhcp.option.vi.tr111.device_manufacturer_oui", FT_UINT24, BASE_OUI, NULL, 0x0, "Option 125:TR 111 1 DeviceManufacturerOUI", HFILL }}, { &hf_dhcp_option125_tr111_device_serial_number, { "DeviceSerialNumber", "dhcp.option.vi.tr111.device_serial_number", FT_STRINGZ, BASE_NONE, NULL, 0x0, "Option 125:TR 111 2 DeviceSerialNumber", HFILL }}, { &hf_dhcp_option125_tr111_device_product_class, { "DeviceProductClass", "dhcp.option.vi.tr111.device_product_class", FT_STRINGZ, BASE_NONE, NULL, 0x0, "Option 125:TR 111 3 DeviceProductClass", HFILL }}, { &hf_dhcp_option125_tr111_gateway_manufacturer_oui, { "GatewayManufacturerOUI", "dhcp.option.vi.tr111.gateway_manufacturer_oui", FT_STRINGZ, BASE_NONE, NULL, 0x0, "Option 125:TR 111 4 GatewayManufacturerOUI", HFILL }}, { &hf_dhcp_option125_tr111_gateway_serial_number, { "GatewaySerialNumber", "dhcp.option.vi.tr111.gateway_serial_number", FT_STRINGZ, BASE_NONE, NULL, 0x0, "Option 125:TR 111 5 GatewaySerialNumber", HFILL }}, { &hf_dhcp_option125_tr111_gateway_product_class, { "GatewayProductClass", "dhcp.option.vi.tr111.gateway_product_class", FT_STRINGZ, BASE_NONE, NULL, 0x0, "Option 125:TR 111 6 GatewayProductClass", HFILL }}, { &hf_dhcp_option125_cl_suboption, { "Option 125 Suboption", "dhcp.option.vi.cl.suboption", FT_UINT8, BASE_DEC, VALS(option125_cl_suboption_vals), 0x0, "Option 125:CL Suboption", HFILL }}, { &hf_dhcp_option125_cl_option_request, { "Option Request", "dhcp.option.vi.cl.option_request", FT_BYTES, SEP_SPACE, NULL, 0x0, "Option 125:CL 1 Option Request", HFILL }}, { &hf_dhcp_option125_cl_tftp_server_addresses, { "TFTP Server Addresses", "dhcp.option.vi.cl.tftp_server_addresses", FT_IPv4, BASE_NONE, NULL, 0x00, "Option 125:CL 2 TFTP Server Addresses", HFILL }}, { &hf_dhcp_option125_cl_erouter_container_option, { "eRouter Container Option", "dhcp.option.vi.cl.erouter_container_option", FT_BYTES, BASE_NONE, NULL, 0x0, "Option 125:CL 3 eRouter Container Option", HFILL }}, { &hf_dhcp_option125_cl_mib_environment_indicator_option, { "MIB Environment Indicator Option", "dhcp.option.vi.cl.suboption", FT_UINT8, BASE_DEC, VALS(pkt_mib_env_ind_opt_vals), 0x0, "Option 125:CL 4 MIB Environment Indicator Option", HFILL }}, { &hf_dhcp_option125_cl_modem_capabilities, { "Modem Capabilities", "dhcp.option.vi.cl.modem_capabilities", FT_BYTES, BASE_NONE, NULL, 0x0, "Option 125:CL 5 Modem Capabilities", HFILL }}, { &hf_dhcp_option_subnet_selection_option, { "Subnet Selection Option", "dhcp.option.subnet_selection_option", FT_IPv4, BASE_NONE, NULL, 0x00, "Option 118: Subnet Selection Option", HFILL }}, { &hf_dhcp_option_pana_agent, { "PAA IPv4 Address", "dhcp.option.pana_agent", FT_IPv4, BASE_NONE, NULL, 0x0, "Protocol for Carrying Authentication for Network Access (PANA) Authentication Agents IPv4 Address", HFILL }}, { &hf_dhcp_option_lost_server_domain_name, { "LoST Server Domain Name", "dhcp.option.lost_server_domain_name", FT_STRINGZ, BASE_NONE, NULL, 0x0, "Option 137: LoST Server Domain Name", HFILL }}, { &hf_dhcp_option_capwap_access_controller, { "CAPWAP Access Controllers", "dhcp.option.capwap_access_controller", FT_IPv4, BASE_NONE, NULL, 0x00, "Option 138: CAPWAP Access Controllers", HFILL }}, { &hf_dhcp_option_andsf_server, { "ANDSF Server", "dhcp.option.andsf_server", FT_IPv4, BASE_NONE, NULL, 0x00, "ANDSF (Access Network Discovery and Selection Function) Server", HFILL }}, { &hf_dhcp_option_forcerenew_nonce_algo, { "Algorithm", "dhcp.option.forcerenew_nonce.algorithm", FT_UINT8, BASE_DEC, VALS(forcerenew_nonce_algo_vals), 0x00, "Forcenew Nonce Algorithm", HFILL }}, { &hf_dhcp_option_rdnss_reserved, { "Reserved", "dhcp.option.rdnss.reserved", FT_UINT8, BASE_HEX, NULL, 0xfc, "RDNSS Reserved", HFILL }}, { &hf_dhcp_option_rdnss_pref, { "Preference", "dhcp.option.rdnss.preference", FT_UINT8, BASE_DEC, VALS(rdnss_pref_vals), 0x03, "RDNSS (Recursive DNS Server) Preference", HFILL }}, { &hf_dhcp_option_rdnss_prim_dns_server, { "Primary DNS", "dhcp.option.rdnss.primary_dns", FT_IPv4, BASE_NONE, NULL, 0x00, "RDNSS Primary DNS-recursive-name-server's IPv4 address", HFILL }}, { &hf_dhcp_option_rdnss_sec_dns_server, { "Secondary DNS", "dhcp.option.rdnss.secondary_dns", FT_IPv4, BASE_NONE, NULL, 0x00, "RDNSS Secondary DNS-recursive-name-server's IPv4 address", HFILL }}, { &hf_dhcp_option_rdnss_domain, { "Domains and networks", "dhcp.option.rdnss.domain", FT_STRING, BASE_NONE, NULL, 0x00, "RDNSS Domains and networks", HFILL }}, { &hf_dhcp_option_tftp_server_address, { "TFTP Server Address", "dhcp.option.tftp_server_address", FT_IPv4, BASE_NONE, NULL, 0x00, "Option 150: TFTP Server Address", HFILL }}, { &hf_dhcp_option_bulk_lease_status_code, { "Status Code", "dhcp.option.bulk_lease.status_code", FT_UINT8, BASE_DEC, VALS(bulk_lease_dhcp_status_code_vals), 0x00, "DHCPv4 Bulk Leasequery Status Code", HFILL }}, { &hf_dhcp_option_bulk_lease_status_message, { "Status Code Message", "dhcp.option.bulk_lease.status_code_message", FT_STRING, BASE_NONE, NULL, 0x00, "DHCPv4 Bulk Leasequery Status Code Message", HFILL }}, { &hf_dhcp_option_bulk_lease_base_time, { "Base Time", "dhcp.option.bulk_lease.base_time", FT_ABSOLUTE_TIME, ABSOLUTE_TIME_LOCAL, NULL, 0x00, "DHCPv4 Bulk Leasequery Base Time", HFILL }}, { &hf_dhcp_option_bulk_lease_start_time_of_state, { "Start Time Of State", "dhcp.option.bulk_lease.start_time_of_state", FT_UINT32, BASE_CUSTOM, CF_FUNC(dhcp_time_in_u_secs_fmt), 0x0, "DHCPv4 Bulk Leasequery Start Time Of State", HFILL }}, { &hf_dhcp_option_bulk_lease_query_start, { "Query Start Time", "dhcp.option.bulk_lease.query_start_time", FT_ABSOLUTE_TIME, ABSOLUTE_TIME_LOCAL, NULL, 0x00, "DHCPv4 Bulk Leasequery Query Start Time", HFILL }}, { &hf_dhcp_option_bulk_lease_query_end, { "Query End Time", "dhcp.option.bulk_lease.query_end_time", FT_ABSOLUTE_TIME, ABSOLUTE_TIME_LOCAL, NULL, 0x00, "DHCPv4 Bulk Leasequery Query End Time", HFILL }}, { &hf_dhcp_option_bulk_lease_dhcp_state, { "Dhcp State", "dhcp.option.bulk_lease.dhcp_state", FT_UINT8, BASE_DEC, VALS(bulk_lease_dhcp_state_vals), 0x00, "DHCPv4 Bulk Leasequery Dhcp State", HFILL }}, { &hf_dhcp_option_bulk_lease_data_source, { "Data Source", "dhcp.option.bulk_lease.data_source", FT_BOOLEAN, BASE_NONE, TFS(&tfs_bulk_lease_data_source), 0x00, "DHCPv4 Bulk Leasequery Data Source", HFILL }}, { &hf_dhcp_option_pcp_list_length, { "List-Length", "dhcp.option.pcp.list_length", FT_UINT8, BASE_DEC, NULL, 0x0, "Port Control Protocol (PCP) List Length", HFILL }}, { &hf_dhcp_option_pcp_server, { "PCP Server", "dhcp.option.pcp.server", FT_IPv4, BASE_NONE, NULL, 0x0, "Port Control Protocol (PCP) Server", HFILL }}, { &hf_dhcp_option_portparams_offset, { "Offset", "dhcp.option.portparams.offset", FT_UINT8, BASE_DEC, NULL, 0x0, "Port Set ID (PSID) offset", HFILL }}, { &hf_dhcp_option_portparams_psid_length, { "PSID-Length", "dhcp.option.portparams.psid_length", FT_UINT8, BASE_DEC, NULL, 0x0, "Port Set ID (PSID) Length", HFILL }}, { &hf_dhcp_option_portparams_psid, { "PSID", "dhcp.option.portparams.psid", FT_BYTES, BASE_NONE, NULL, 0x0, "Port Set ID (PSID)", HFILL }}, { &hf_dhcp_option_mudurl, { "MUDURL", "dhcp.option.mudurl", FT_STRING, BASE_NONE, NULL, 0x0, "Option 161: MUDURL", HFILL }}, { &hf_dhcp_option_pxe_config_file, { "PXELINUX configuration file", "dhcp.option.pxe_config_file", FT_STRING, BASE_NONE, NULL, 0x0, "Option 209: PXE Configuration File", HFILL }}, { &hf_dhcp_option_pxe_path_prefix, { "PXELINUX path prefix", "dhcp.option.pxe_path_prefix", FT_STRING, BASE_NONE, NULL, 0x0, "Option 210: PXE Path Prefix", HFILL }}, { &hf_dhcp_option_captive_portal, { "Captive Portal", "dhcp.option.captive_portal", FT_STRING, BASE_NONE, NULL, 0x0, "The contact URI for the captive portal that the user should connect to", HFILL }}, { &hf_dhcp_option_6RD_ipv4_mask_len, { "6RD IPv4 Mask Length", "dhcp.option.6RD.ipv4_mask_len", FT_UINT8, BASE_DEC, NULL, 0x0, "Option 212: 6RD IPv4 Mask Length", HFILL }}, { &hf_dhcp_option_6RD_prefix_len, { "6RD Prefix Length", "dhcp.option.6RD.prefix_len", FT_UINT8, BASE_DEC, NULL, 0x0, "Option 212: 6RD Prefix Length", HFILL }}, { &hf_dhcp_option_6RD_prefix, { "6RD Prefix", "dhcp.option.6RD.prefix", FT_IPv6, BASE_NONE, NULL, 0x00, "Option 212: 6RD Prefix", HFILL }}, { &hf_dhcp_option_6RD_border_relay_ip, { "Border Relay IP", "dhcp.option.6RD.border_relay_ip", FT_IPv4, BASE_NONE, NULL, 0x00, "Option 212: Border Relay IP", HFILL }}, { &hf_dhcp_option_private_proxy_autodiscovery, { "Private/Proxy autodiscovery", "dhcp.option.private_proxy_autodiscovery", FT_STRINGZ, BASE_NONE, NULL, 0x0, "Option 252: Private/Proxy autodiscovery", HFILL }}, { &hf_dhcp_option_end, { "Option End", "dhcp.option.end", FT_UINT8, BASE_DEC, NULL, 0x0, "Option 255: End", HFILL }}, { &hf_dhcp_option_end_overload, { "Option End (Overload)", "dhcp.option.end", FT_UINT8, BASE_DEC, NULL, 0x0, "Option 255: End (Overload)", HFILL }}, { &hf_dhcp_vendor_unknown_suboption, { "Option 125 Suboption", "dhcp.vendor.suboption", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL }}, { &hf_dhcp_suboption_data, { "Data", "dhcp.vendor.data", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL }}, { &hf_dhcp_pc_ietf_ccc_suboption, { "Suboption", "dhcp.vendor.pc.ietf_ccc.suboption", FT_UINT8, BASE_DEC, VALS(pkt_draft5_ccc_opt_vals), 0x0, NULL, HFILL }}, { &hf_dhcp_pc_i05_ccc_suboption, { "Suboption", "dhcp.vendor.pc.i05_ccc.suboption", FT_UINT8, BASE_DEC, VALS(pkt_i05_ccc_opt_vals), 0x0, NULL, HFILL }}, { &hf_dhcp_cl_ietf_ccc_dev_realm_unc_key_nom_timeout, { "pktcMtaDevRealmUnsolicitedKeyNomTimeout", "dhcp.cl.ietf_ccc.dev_realm_unc_key_nom_timeout", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL }}, { &hf_dhcp_cl_ietf_ccc_dev_realm_unc_key_max_timeout, { "pktcMtaDevRealmUnsolicitedKeyMaxTimeout", "dhcp.cl.ietf_ccc.dev_realm_unc_key_max_timeout", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL }}, { &hf_dhcp_cl_ietf_ccc_dev_realm_unc_key_max_retries, { "pktcMtaDevRealmUnsolicitedKeyMaxRetries", "dhcp.cl.ietf_ccc.dev_realm_unc_key_max_retries", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL }}, { &hf_dhcp_cl_ietf_ccc_dev_prov_unc_key_nom_timeout, { "pktcMtaDevProvUnsolicitedKeyNomTimeout", "dhcp.cl.ietf_ccc.dev_prov_unc_key_nom_timeout", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL }}, { &hf_dhcp_cl_ietf_ccc_dev_prov_unc_key_max_timeout, { "pktcMtaDevProvUnsolicitedKeyMaxTimeout", "dhcp.cl.ietf_ccc.dev_prov_unc_key_max_timeout", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL }}, { &hf_dhcp_cl_ietf_ccc_dev_prov_unc_key_max_retries, { "pktcMtaDevProvUnsolicitedKeyMaxRetries", "dhcp.cl.ietf_ccc.dev_prov_unc_key_max_retries", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL }}, { &hf_dhcp_ccc_ietf_sec_tkt_pc_provision_server, { "Invalidate PacketCable Provisioning Server", "dhcp.ccc.ietf.sec_tkt.pc_provision_server", FT_BOOLEAN, 16, TFS(&tfs_yes_no), 0x0001, NULL, HFILL }}, { &hf_dhcp_ccc_ietf_sec_tkt_all_pc_call_management, { "Invalidate All PacketCable Call Management Servers", "dhcp.ccc.ietf.sec_tkt.all_pc_call_management", FT_BOOLEAN, 16, TFS(&tfs_yes_no), 0x0002, NULL, HFILL }}, { &hf_dhcp_option242_avaya, { "Private/Avaya IP Telephone", "dhcp.option.vendor.avaya", FT_STRINGZ, BASE_NONE, NULL, 0x0, "Option 242: Private/Avaya IP Telephone", HFILL }}, { &hf_dhcp_option242_avaya_tlssrvr, { "TLSSRVR", "dhcp.option.vendor.avaya.tlssrvr", FT_STRINGZ, BASE_NONE, NULL, 0x0, "Option 242: TLSSRVR (HTTPS server(s) to download configuration)", HFILL }}, { &hf_dhcp_option242_avaya_httpsrvr, { "HTTPSRVR", "dhcp.option.vendor.avaya.httpsrvr", FT_STRINGZ, BASE_NONE, NULL, 0x0, "Option 242: HTTPSRVR (HTTP server(s) to download configuration)", HFILL }}, { &hf_dhcp_option242_avaya_httpdir, { "HTTPDIR", "dhcp.option.vendor.avaya.httpdir", FT_STRINGZ, BASE_NONE, NULL, 0x0, "Option 242: HTTPDIR (Path to configuration files)", HFILL }}, { &hf_dhcp_option242_avaya_static, { "STATIC", "dhcp.option.vendor.avaya.static", FT_STRINGZ, BASE_NONE, NULL, 0x0, "Option 242: STATIC (Static programming override flag)", HFILL }}, { &hf_dhcp_option242_avaya_mcipadd, { "MCIPADD", "dhcp.option.vendor.avaya.mcipadd", FT_STRINGZ, BASE_NONE, NULL, 0x0, "Option 242: MCIPADD (List of CM server(s))", HFILL }}, { &hf_dhcp_option242_avaya_dot1x, { "DOT1X", "dhcp.option.vendor.avaya.dot1x", FT_STRINGZ, BASE_NONE, NULL, 0x0, "Option 242: DOT1X (802.1X Supplicant operation mode)", HFILL }}, { &hf_dhcp_option242_avaya_icmpdu, { "ICMPDU", "dhcp.option.vendor.avaya.icmpdu", FT_STRINGZ, BASE_NONE, NULL, 0x0, "Option 242: ICMPDU (ICMP Destination Unreachable processing)", HFILL }}, { &hf_dhcp_option242_avaya_icmpred, { "ICMPRED", "dhcp.option.vendor.avaya.icmpred", FT_STRINGZ, BASE_NONE, NULL, 0x0, "Option 242: ICMPRED (ICMP Redirect handling)", HFILL }}, { &hf_dhcp_option242_avaya_l2q, { "L2Q", "dhcp.option.vendor.avaya.l2q", FT_STRINGZ, BASE_NONE, NULL, 0x0, "Option 242: L2Q (Controls 802.1Q tagging)", HFILL }}, { &hf_dhcp_option242_avaya_l2qvlan, { "L2QVLAN", "dhcp.option.vendor.avaya.l2qvlan", FT_INT32, BASE_DEC, NULL, 0x0, "Option 242: L2QVLAN (VLAN ID)", HFILL }}, { &hf_dhcp_option242_avaya_loglocal, { "LOGLOCAL", "dhcp.option.vendor.avaya.loglocal", FT_STRINGZ, BASE_NONE, NULL, 0x0, "Option 242: LOGLOCAL (Log level)", HFILL }}, { &hf_dhcp_option242_avaya_phy1stat, { "PHY1STAT", "dhcp.option.vendor.avaya.phy1stat", FT_STRINGZ, BASE_NONE, NULL, 0x0, "Option 242: PHY1STAT (Interface configuration)", HFILL }}, { &hf_dhcp_option242_avaya_phy2stat, { "PHY2STAT", "dhcp.option.vendor.avaya.phy2stat", FT_STRINGZ, BASE_NONE, NULL, 0x0, "Option 242: PHY2STAT (Interface configuration)", HFILL }}, { &hf_dhcp_option242_avaya_procpswd, { "PROCPSWD", "dhcp.option.vendor.avaya.procpswd", FT_STRINGZ, BASE_NONE, NULL, 0x0, "Option 242: PROCPSWD (Security string used to access local procedures)", HFILL }}, { &hf_dhcp_option242_avaya_procstat, { "PROCSTAT", "dhcp.option.vendor.avaya.procstat", FT_STRINGZ, BASE_NONE, NULL, 0x0, "Option 242: PROCSTAT (Local (dialpad) Administrative access)", HFILL }}, { &hf_dhcp_option242_avaya_snmpadd, { "SNMPADD", "dhcp.option.vendor.avaya.snmpadd", FT_STRINGZ, BASE_NONE, NULL, 0x0, "Option 242: SNMPADD (Allowable source IP Address(es) for SNMP queries)", HFILL }}, { &hf_dhcp_option242_avaya_snmpstring, { "SNMPSTRING", "dhcp.option.vendor.avaya.snmpstring", FT_STRINGZ, BASE_NONE, NULL, 0x0, "Option 242: SNMPSTRING (SNMP community string)", HFILL }}, { &hf_dhcp_option242_avaya_vlantest, { "VLANTEST", "dhcp.option.vendor.avaya.vlantest", FT_INT32, BASE_DEC, NULL, 0x0, "Option 242: VLANTEST (Timeout in seconds)", HFILL }}, /* Cisco vendor suboptions */ { &hf_dhcp_option43_cisco_suboption, { "Option 43 Suboption", "dhcp.option.vendor.cisco.suboption", FT_UINT8, BASE_DEC, VALS(option43_cisco_suboption_vals), 0x0, "Option 43:Cisco Suboption", HFILL }}, { &hf_dhcp_option43_cisco_unknown, { "Unknown", "dhcp.option.vendor.cisco.unknown", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL }}, { &hf_dhcp_option43_cisco_unknown1, { "Unknown1", "dhcp.option.vendor.cisco.unknown1", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL }}, { &hf_dhcp_option43_cisco_unknown2, { "Unknown2", "dhcp.option.vendor.cisco.unknown2", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL }}, { &hf_dhcp_option43_cisco_unknown3, { "Unknown3", "dhcp.option.vendor.cisco.unknown3", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }}, { &hf_dhcp_option43_cisco_nodeid, { "Node ID", "dhcp.option.vendor.cisco.nodeid", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL }}, { &hf_dhcp_option43_cisco_unknown5, { "Unknown5", "dhcp.option.vendor.cisco.unknown5", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL }}, { &hf_dhcp_option43_cisco_unknown6, { "Unknown6", "dhcp.option.vendor.cisco.unknown6", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL }}, { &hf_dhcp_option43_cisco_model, { "Model", "dhcp.option.vendor.cisco.model", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL }}, { &hf_dhcp_option43_cisco_apicuuid, { "APIC UUID", "dhcp.option.vendor.cisco.apicuuid", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL }}, { &hf_dhcp_option43_cisco_fabricname, { "Fabricname", "dhcp.option.vendor.cisco.fabricname", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL }}, { &hf_dhcp_option43_cisco_unknown10, { "Unknown10", "dhcp.option.vendor.cisco.unknown10", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL }}, { &hf_dhcp_option43_cisco_serialno, { "SerialNo", "dhcp.option.vendor.cisco.serialno", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL }}, { &hf_dhcp_option43_cisco_clientint, { "Client Int", "dhcp.option.vendor.cisco.clientint", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL }}, }; static uat_field_t dhcp_uat_flds[] = { UAT_FLD_DEC(uat_dhcp_records, opt, "Option number", "Custom Option Number"), UAT_FLD_CSTRING(uat_dhcp_records, text, "Option Name", "Custom Option Name"), UAT_FLD_VS(uat_dhcp_records, ftype, "Option type", dhcp_custom_type_vals, "Option datatype"), UAT_END_FIELDS }; static gint *ett[] = { &ett_dhcp, &ett_dhcp_flags, &ett_dhcp_option, &ett_dhcp_option43_suboption, &ett_dhcp_option43_suboption_discovery, &ett_dhcp_option43_suboption_tree, &ett_dhcp_option63_suboption, &ett_dhcp_option77_instance, &ett_dhcp_option82_suboption, &ett_dhcp_option82_suboption9, &ett_dhcp_option124_vendor_class_data_item, &ett_dhcp_option125_suboption, &ett_dhcp_option125_tr111_suboption, &ett_dhcp_option125_cl_suboption, &ett_dhcp_option242_suboption, &ett_dhcp_fqdn, &ett_dhcp_filename_option, &ett_dhcp_server_hostname, &ett_dhcp_fqdn_flags, &ett_dhcp_isns_functions, &ett_dhcp_isns_discovery_domain_access, &ett_dhcp_isns_administrative_flags, &ett_dhcp_isns_server_security_bitmap, &ett_dhcp_isns_secondary_server_addr, &ett_dhcp_o43_bsdp_boot_image, &ett_dhcp_o43_bsdp_attributes, &ett_dhcp_o43_bsdp_image_desc_list, &ett_dhcp_o43_bsdp_image_desc, &ett_dhcp_o43_bsdp_attributes_flags, &ett_dhcp_option158_pcp_list, }; static ei_register_info ei[] = { { &ei_dhcp_bad_length, { "dhcp.bad_length", PI_PROTOCOL, PI_ERROR, "length isn't 0", EXPFILL }}, { &ei_dhcp_bad_bitfield, { "dhcp.bad_bitfield", PI_PROTOCOL, PI_ERROR, "Bogus bitfield", EXPFILL }}, { &ei_dhcp_missing_subopt_length, { "dhcp.missing_subopt_length", PI_PROTOCOL, PI_ERROR, "no room left in option for suboption length", EXPFILL }}, { &ei_dhcp_missing_subopt_value, { "dhcp.missing_subopt_value", PI_PROTOCOL, PI_ERROR, "no room left in option for suboption value", EXPFILL }}, { &ei_dhcp_mal_duid, { "dhcp.malformed.duid", PI_PROTOCOL, PI_ERROR, "DUID: malformed option", EXPFILL }}, { &hf_dhcp_opt_overload_file_end_missing, { "dhcp.option.option_overload.file_end_missing", PI_PROTOCOL, PI_ERROR, "file overload end option missing", EXPFILL }}, { &hf_dhcp_opt_overload_sname_end_missing, { "dhcp.option.option_overload.sname_end_missing", PI_PROTOCOL, PI_ERROR, "sname overload end option missing", EXPFILL }}, { &hf_dhcp_subopt_unknown_type, { "dhcp.subopt.unknown_type", PI_PROTOCOL, PI_ERROR, "ERROR, please report: Unknown subopt type handler", EXPFILL }}, { &ei_dhcp_option_civic_location_bad_cattype, { "dhcp.option.civic_location.bad_cattype", PI_PROTOCOL, PI_ERROR, "Error with CAType", EXPFILL }}, { &ei_dhcp_option_dhcp_name_service_invalid, { "dhcp.option.dhcp_name_service.invalid", PI_PROTOCOL, PI_ERROR, "Invalid Name Service", EXPFILL }}, { &ei_dhcp_option_sip_server_address_encoding, { "dhcp.option.sip_server_address.encoding", PI_PROTOCOL, PI_ERROR, "RFC 3361 defines only 0 and 1 for Encoding byte", EXPFILL }}, { &ei_dhcp_option_classless_static_route, { "dhcp.option.classless_static.route", PI_PROTOCOL, PI_ERROR, "Mask width > 32", EXPFILL }}, { &ei_dhcp_option125_enterprise_malformed, { "dhcp.option.enterprise.malformed", PI_PROTOCOL, PI_ERROR, "no room left in option for enterprise data", EXPFILL }}, { &ei_dhcp_option_6RD_malformed, { "dhcp.option.6RD.malformed", PI_PROTOCOL, PI_ERROR, "6RD: malformed option", EXPFILL }}, { &ei_dhcp_option82_vi_cl_tag_unknown, { "dhcp.option.option.vi.cl.tag_unknown", PI_PROTOCOL, PI_ERROR, "Unknown tag", EXPFILL }}, { &ei_dhcp_option_parse_err, { "dhcp.option.parse_err", PI_PROTOCOL, PI_ERROR, "Parse error", EXPFILL }}, { &ei_dhcp_nonstd_option_data, { "dhcp.option.nonstd_data", PI_PROTOCOL, PI_NOTE, "Non standard compliant option data", EXPFILL }}, { &ei_dhcp_suboption_invalid, { "dhcp.suboption_invalid", PI_PROTOCOL, PI_ERROR, "Invalid suboption", EXPFILL }}, { &ei_dhcp_secs_le, { "dhcp.secs_le", PI_PROTOCOL, PI_NOTE, "Seconds elapsed appears to be encoded as little-endian", EXPFILL }}, { &ei_dhcp_end_option_missing, { "dhcp.end_option_missing", PI_PROTOCOL, PI_ERROR, "End option missing", EXPFILL }}, { &ei_dhcp_client_address_not_given, { "dhcp.client_address_not_given", PI_PROTOCOL, PI_NOTE, "Client address not given", EXPFILL }}, { &ei_dhcp_server_name_overloaded_by_dhcp, { "dhcp.server_name_overloaded_by_dhcp", PI_PROTOCOL, PI_NOTE, "Server name option overloaded by DHCP", EXPFILL }}, { &ei_dhcp_boot_filename_overloaded_by_dhcp, { "dhcp.boot_filename_overloaded_by_dhcp", PI_PROTOCOL, PI_NOTE, "Boot file name option overloaded by DHCP", EXPFILL }}, { &ei_dhcp_option_isns_ignored_bitfield, { "dhcp.option.isns.ignored_bitfield", PI_PROTOCOL, PI_NOTE, "Enabled field is not set - non-zero bitmask ignored", EXPFILL }}, { &ei_dhcp_option242_avaya_l2qvlan_invalid, { "dhcp.option.vendor.avaya.l2qvlan.invalid", PI_PROTOCOL, PI_ERROR, "Option 242 (L2QVLAN) invalid", EXPFILL }}, { &ei_dhcp_option242_avaya_vlantest_invalid, { "dhcp.option.vendor.avaya.vlantest.invalid", PI_PROTOCOL, PI_ERROR, "Option 242 (avaya vlantest) invalid", EXPFILL }}, { &ei_dhcp_option93_client_arch_ambiguous, { "dhcp.option.client_architecture.ambiguous", PI_PROTOCOL, PI_WARN, "Client Architecture ID may be ambiguous", EXPFILL }}, }; static tap_param dhcp_stat_params[] = { { PARAM_FILTER, "filter", "Filter", NULL, TRUE } }; static stat_tap_table_ui dhcp_stat_table = { REGISTER_PACKET_STAT_GROUP_UNSORTED, "DHCP (BOOTP) Statistics", "dhcp", "dhcp,stat", dhcp_stat_init, dhcp_stat_packet, dhcp_stat_reset, NULL, NULL, sizeof(dhcp_stat_fields)/sizeof(stat_tap_table_item), dhcp_stat_fields, sizeof(dhcp_stat_params)/sizeof(tap_param), dhcp_stat_params, NULL, 0 }; module_t *dhcp_module; expert_module_t* expert_dhcp; proto_dhcp = proto_register_protocol("Dynamic Host Configuration Protocol", "DHCP/BOOTP", "dhcp"); proto_register_field_array(proto_dhcp, hf, array_length(hf)); proto_register_alias(proto_dhcp, "bootp"); proto_register_subtree_array(ett, array_length(ett)); dhcp_bootp_tap = register_tap("dhcp"); expert_dhcp = expert_register_protocol(proto_dhcp); expert_register_field_array(expert_dhcp, ei, array_length(ei)); dhcp_option_table = register_dissector_table("dhcp.option", "BOOTP Options", proto_dhcp, FT_UINT8, BASE_DEC); dhcp_vendor_id_subdissector = register_heur_dissector_list("dhcp.vendor_id", proto_dhcp); dhcp_vendor_info_subdissector = register_heur_dissector_list("dhcp.vendor_info", proto_dhcp); dhcp_enterprise_table = register_dissector_table("dhcp.enterprise", "V-I Vendor Specific Enterprise", proto_dhcp, FT_UINT32, BASE_DEC); /* register init/cleanup routine to handle the custom dhcp options */ register_init_routine(&dhcp_init_protocol); register_cleanup_routine(&dhcp_cleanup_protocol); /* Allow dissector to find be found by name. */ dhcp_handle = register_dissector("dhcp", dissect_dhcp, proto_dhcp); dhcp_module = prefs_register_protocol(proto_dhcp, NULL); prefs_register_bool_preference(dhcp_module, "novellserverstring", "Decode Option 85 as String", "Novell Servers option 85 can be configured as a string instead of address", &novell_string); prefs_register_enum_preference(dhcp_module, "pkt.ccc.protocol_version", "PacketCable CCC protocol version", "The PacketCable CCC protocol version", &pkt_ccc_protocol_version, pkt_ccc_protocol_versions, FALSE); prefs_register_uint_preference(dhcp_module, "pkt.ccc.option", "PacketCable CCC option", "Option Number for PacketCable CableLabs Client Configuration", 10, &pkt_ccc_option); prefs_register_enum_preference(dhcp_module, "uuid.endian", "Endianness of UUID", "Endianness applied to UUID fields", &dhcp_uuid_endian, dhcp_uuid_endian_vals, FALSE); prefs_register_enum_preference(dhcp_module, "secs.endian", "Endianness of seconds elapsed field", "Endianness applied to seconds elapsed field", &dhcp_secs_endian, dhcp_secs_endian_vals, FALSE); prefs_register_obsolete_preference(dhcp_module, "displayasstring"); dhcp_uat = uat_new("Custom DHCP/BootP Options (Excl. suboptions)", sizeof(uat_dhcp_record_t), /* record size */ "custom_bootp", /* filename */ TRUE, /* from_profile */ &uat_dhcp_records, /* data_ptr */ &num_dhcp_records_uat, /* numitems_ptr */ UAT_AFFECTS_DISSECTION, /* affects dissection of packets, but not set of named fields */ NULL, /* help */ uat_dhcp_record_copy_cb, /* copy callback */ uat_dhcp_record_update_cb, /* update callback */ uat_dhcp_record_free_cb, /* free callback */ NULL, /* post update callback */ NULL, /* reset callback */ dhcp_uat_flds); /* UAT field definitions */ prefs_register_uat_preference(dhcp_module, "custom_dhcp_table", "Custom DHCP/BootP Options (Excl. suboptions)", "Custom DHCP/BootP Options (Excl. suboptions)", dhcp_uat); register_stat_tap_table_ui(&dhcp_stat_table); } void proto_reg_handoff_dhcp(void) { range_t *dhcpopt_basictype_range; dissector_add_uint_range_with_preference("udp.port", DHCP_UDP_PORT_RANGE, dhcp_handle); /* Create dissection function handles for all DHCP/BOOTP options */ dhcpopt_basic_handle = create_dissector_handle( dissect_dhcpopt_basic_type, proto_dhcp ); range_convert_str(wmem_epan_scope(), &dhcpopt_basictype_range, DHCP_OPTION_BASICTYPE_RANGE, 0xFF); dissector_add_uint_range("dhcp.option", dhcpopt_basictype_range, dhcpopt_basic_handle); dissector_add_uint("dhcp.option", 21, create_dissector_handle( dissect_dhcpopt_policy_filter, proto_dhcp )); dissector_add_uint("dhcp.option", 33, create_dissector_handle( dissect_dhcpopt_static_route, proto_dhcp )); dissector_add_uint("dhcp.option", 43, create_dissector_handle( dissect_dhcpopt_vendor_specific_info, proto_dhcp )); dissector_add_uint("dhcp.option", 52, create_dissector_handle( dissect_dhcpopt_option_overload, proto_dhcp )); dissector_add_uint("dhcp.option", 53, create_dissector_handle( dissect_dhcpopt_dhcp, proto_dhcp )); dissector_add_uint("dhcp.option", 55, create_dissector_handle( dissect_dhcpopt_param_request_list, proto_dhcp )); dissector_add_uint("dhcp.option", 60, create_dissector_handle( dissect_dhcpopt_vendor_class_identifier, proto_dhcp )); dissector_add_uint("dhcp.option", 61, create_dissector_handle( dissect_dhcpopt_client_identifier, proto_dhcp )); dissector_add_uint("dhcp.option", 63, create_dissector_handle( dissect_dhcpopt_netware_ip, proto_dhcp )); dissector_add_uint("dhcp.option", 77, create_dissector_handle( dissect_dhcpopt_user_class_information, proto_dhcp )); dissector_add_uint("dhcp.option", 78, create_dissector_handle( dissect_dhcpopt_slp_directory_agent, proto_dhcp )); dissector_add_uint("dhcp.option", 79, create_dissector_handle( dissect_dhcpopt_slp_service_scope, proto_dhcp )); dissector_add_uint("dhcp.option", 81, create_dissector_handle( dissect_dhcpopt_client_full_domain_name, proto_dhcp )); dissector_add_uint("dhcp.option", 82, create_dissector_handle( dissect_dhcpopt_relay_agent_info, proto_dhcp )); dissector_add_uint("dhcp.option", 83, create_dissector_handle( dissect_dhcpopt_isns, proto_dhcp )); dissector_add_uint("dhcp.option", 85, create_dissector_handle( dissect_dhcpopt_novell_servers, proto_dhcp )); dissector_add_uint("dhcp.option", 90, create_dissector_handle( dissect_dhcpopt_dhcp_authentication, proto_dhcp )); dissector_add_uint("dhcp.option", 93, create_dissector_handle( dissect_dhcpopt_client_architecture, proto_dhcp )); dissector_add_uint("dhcp.option", 94, create_dissector_handle( dissect_dhcpopt_client_network_interface_id, proto_dhcp )); dissector_add_uint("dhcp.option", 97, create_dissector_handle( dissect_dhcpopt_client_identifier_uuid, proto_dhcp )); dissector_add_uint("dhcp.option", 99, create_dissector_handle( dissect_dhcpopt_civic_location, proto_dhcp )); dissector_add_uint("dhcp.option", 114, create_dissector_handle( dissect_dhcpopt_dhcp_captive_portal, proto_dhcp )); dissector_add_uint("dhcp.option", 117, create_dissector_handle( dissect_dhcpopt_name_server_search, proto_dhcp )); dissector_add_uint("dhcp.option", 119, create_dissector_handle( dissect_dhcpopt_dhcp_domain_search, proto_dhcp )); dissector_add_uint("dhcp.option", 120, create_dissector_handle( dissect_dhcpopt_sip_servers, proto_dhcp )); dissector_add_uint("dhcp.option", 121, create_dissector_handle( dissect_dhcpopt_classless_static_route, proto_dhcp )); /* The PacketCable CCC option number can vary. Still handled through preference */ dissector_add_uint("dhcp.option", 122, create_dissector_handle( dissect_dhcpopt_packetcable_ccc, proto_dhcp )); dissector_add_uint("dhcp.option", 123, create_dissector_handle( dissect_dhcpopt_coordinate_based_location, proto_dhcp )); dissector_add_uint("dhcp.option", 124, create_dissector_handle( dissect_dhcpopt_vi_vendor_class, proto_dhcp )); dissector_add_uint("dhcp.option", 125, create_dissector_handle( dissect_dhcpopt_vi_vendor_specific_info, proto_dhcp )); dissector_add_uint("dhcp.option", 145, create_dissector_handle( dissect_dhcpopt_forcerenew_nonce, proto_dhcp )); dissector_add_uint("dhcp.option", 146, create_dissector_handle( dissect_dhcpopt_rdnss, proto_dhcp )); dissector_add_uint("dhcp.option", 151, create_dissector_handle( dissect_dhcpopt_bulk_lease_status_code, proto_dhcp )); dissector_add_uint("dhcp.option", 152, create_dissector_handle( dissect_dhcpopt_bulk_lease_base_time, proto_dhcp )); dissector_add_uint("dhcp.option", 154, create_dissector_handle( dissect_dhcpopt_bulk_lease_query_start, proto_dhcp )); dissector_add_uint("dhcp.option", 155, create_dissector_handle( dissect_dhcpopt_bulk_lease_query_end, proto_dhcp )); dissector_add_uint("dhcp.option", 158, create_dissector_handle( dissect_dhcpopt_pcp_server, proto_dhcp )); dissector_add_uint("dhcp.option", 159, create_dissector_handle( dissect_dhcpopt_portparams, proto_dhcp )); dissector_add_uint("dhcp.option", 160, create_dissector_handle( dissect_dhcpopt_dhcp_captive_portal, proto_dhcp )); dissector_add_uint("dhcp.option", 212, create_dissector_handle( dissect_dhcpopt_6RD_option, proto_dhcp )); dissector_add_uint("dhcp.option", 242, create_dissector_handle( dissect_dhcpopt_avaya_ip_telephone, proto_dhcp )); dissector_add_uint("dhcp.option", 249, create_dissector_handle( dissect_dhcpopt_classless_static_route, proto_dhcp )); /* Create heuristic dissection for DHCP vendor class id */ heur_dissector_add( "dhcp.vendor_id", dissect_packetcable_mta_vendor_id_heur, "PacketCable MTA", "packetcable_mta_dhcp", proto_dhcp, HEURISTIC_ENABLE ); heur_dissector_add( "dhcp.vendor_id", dissect_packetcable_cm_vendor_id_heur, "PacketCable CM", "packetcable_cm_dhcp", proto_dhcp, HEURISTIC_ENABLE ); heur_dissector_add( "dhcp.vendor_id", dissect_apple_bsdp_vendor_id_heur, "Apple BSDP", "apple_bsdp_dhcp", proto_dhcp, HEURISTIC_ENABLE ); /* Create heuristic dissection for DHCP vendor specific information */ /* Note that this is a rather weak (permissive) heuristic, it's put first so it ends up at the end of the list, I guess this is OK. Add any stronger (less permissive) heuristics after this! XXX - Should we just disable by default? */ heur_dissector_add( "dhcp.vendor_info", dissect_alcatel_lucent_vendor_info_heur, "Alcatel-Lucent", "alcatel_lucent_dhcp", proto_dhcp, HEURISTIC_ENABLE ); heur_dissector_add( "dhcp.vendor_info", dissect_pxeclient_vendor_info_heur, "PXEClient", "pxeclient_dhcp", proto_dhcp, HEURISTIC_ENABLE ); heur_dissector_add( "dhcp.vendor_info", dissect_cablelabs_vendor_info_heur, "CableLabs", "cablelabs_dhcp", proto_dhcp, HEURISTIC_ENABLE ); heur_dissector_add( "dhcp.vendor_info", dissect_aruba_ap_vendor_info_heur, ARUBA_AP, "aruba_ap_dhcp", proto_dhcp, HEURISTIC_ENABLE ); heur_dissector_add( "dhcp.vendor_info", dissect_aruba_instant_ap_vendor_info_heur, ARUBA_INSTANT_AP, "aruba_instant_ap_dhcp", proto_dhcp, HEURISTIC_ENABLE ); heur_dissector_add( "dhcp.vendor_info", dissect_apple_bsdp_vendor_info_heur, "Apple BSDP", "apple_bsdp_info_dhcp", proto_dhcp, HEURISTIC_ENABLE ); heur_dissector_add( "dhcp.vendor_info", dissect_aerohive_vendor_info_heur, "AEROHIVE", "aerohive_info_dhcp", proto_dhcp, HEURISTIC_ENABLE ); heur_dissector_add( "dhcp.vendor_info", dissect_cisco_vendor_info_heur, "Cisco", "cisco_info_dhcp", proto_dhcp, HEURISTIC_ENABLE ); /* Create dissection function handles for DHCP Enterprise dissection */ dissector_add_uint("dhcp.enterprise", 4491, create_dissector_handle( dissect_vendor_cl_suboption, proto_dhcp )); dissector_add_uint("dhcp.enterprise", 3561, create_dissector_handle( dissect_vendor_tr111_suboption, proto_dhcp )); } /* * Editor modelines - https://www.wireshark.org/tools/modelines.html * * Local variables: * c-basic-offset: 8 * tab-width: 8 * indent-tabs-mode: t * End: * * vi: set shiftwidth=8 tabstop=8 noexpandtab: * :indentSize=8:tabSize=8:noTabs=false: */