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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-10 20:34:10 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-10 20:34:10 +0000
commite4ba6dbc3f1e76890b22773807ea37fe8fa2b1bc (patch)
tree68cb5ef9081156392f1dd62a00c6ccc1451b93df /epan/dissectors/packet-dhcpv6.c
parentInitial commit. (diff)
downloadwireshark-e4ba6dbc3f1e76890b22773807ea37fe8fa2b1bc.tar.xz
wireshark-e4ba6dbc3f1e76890b22773807ea37fe8fa2b1bc.zip
Adding upstream version 4.2.2.upstream/4.2.2
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'epan/dissectors/packet-dhcpv6.c')
-rw-r--r--epan/dissectors/packet-dhcpv6.c3665
1 files changed, 3665 insertions, 0 deletions
diff --git a/epan/dissectors/packet-dhcpv6.c b/epan/dissectors/packet-dhcpv6.c
new file mode 100644
index 00000000..1ca4ac36
--- /dev/null
+++ b/epan/dissectors/packet-dhcpv6.c
@@ -0,0 +1,3665 @@
+/* packet-dhcpv6.c
+ * Routines for DHCPv6 packet disassembly
+ * Copyright 2004, Nicolas DICHTEL - 6WIND - <nicolas.dichtel@6wind.com>
+ * Jun-ichiro itojun Hagino <itojun@iijlab.net>
+ * IItom Tsutomu MIENO <iitom@utouto.com>
+ * SHIRASAKI Yasuhiro <yasuhiro@gnome.gr.jp>
+ * Tony Lindstrom <tony.lindstrom@ericsson.com>
+ * Copyright 2012, Jerome LAFORGE <jerome.laforge@gmail.com>
+ *
+ * The information used comes from:
+ * RFC1034 (DOMAIN NAMES - CONCEPTS AND FACILITIES)
+ * RFC1035 (DOMAIN NAMES - IMPLEMENTATION AND SPECIFICATION)
+ * RFC1535 (A Security Problem with DNS) [clear definition of Partial names]
+ * RFC2181 (Clarifications to the DNS Specification)
+ * RFC3319 (SIP options)
+ * RFC3633 (Prefix options) replaces draft-ietf-dhc-dhcpv6-opt-lifetime-00
+ * RFC3646 (DNS Configuration options for DHCP for IPv6 (DHCPv6))
+ * RFC3898 (NIS options)
+ * RFC4075 (SNTP - Configuration Option for DHCPv6)
+ - replaces "draft-ietf-dhc-dhcpv6-opt-timeconfig-03"
+ * RFC4242 (Information Refresh Time Option)
+ * RFC4280 (Broadcast and Multicast Control Servers Options)
+ * RFC4649 (Remote ID option)
+ * RFC4704 (DHCPv6 Client FQDN Option)
+ * RFC5007 (DHCPv6 Leasequery)
+ * RFC5417 (CAPWAP Access Controller DHCP Option)
+ * RFC5460 (DHCPv6 Bulk Leasequery)
+ * RFC5908 (Network Time Protocol (NTP) Server Option)
+ * RFC6334 (Dual-Stack Lite Option)
+ * RFC6603 (Prefix Exclude Option)
+ * RFC6939 (Client Link-Layer Address Option in DHCPv6)
+ * RFC7598 (Configuration of Softwire Address and Port-Mapped Clients)
+ * RFC8415 (Dynamic Host Configuration Protocol for IPv6 (DHCPv6))
+ * RFC8520 (Manufacturer Usage Descriptions) replaces "draft-ietf-opsawg-mud-02"
+ * CL-SP-CANN-DHCP-Reg-I15-180509 (CableLabs' DHCP Options Registry) latest
+ *
+ * Note that protocol constants are still subject to change, based on IANA
+ * assignment decisions.
+ *
+ * Wireshark - Network traffic analyzer
+ * By Gerald Combs <gerald@wireshark.org>
+ * Copyright 1998 Gerald Combs
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#include "config.h"
+
+#include <epan/packet.h>
+#include <epan/addr_resolv.h>
+#include <epan/expert.h>
+#include <epan/prefs.h>
+#include <epan/arptypes.h>
+#include <epan/sminmpec.h>
+#include <epan/strutil.h>
+#include "packet-tcp.h"
+#include "packet-arp.h"
+#include "packet-dns.h"
+
+void proto_register_dhcpv6(void);
+void proto_reg_handoff_dhcpv6(void);
+
+static gboolean dhcpv6_bulk_leasequery_desegment = TRUE;
+static gboolean cablelabs_interface_id = FALSE;
+
+static int proto_dhcpv6 = -1;
+static int proto_dhcpv6_bulk_leasequery = -1;
+static int proto_dhcpv6_cablelabs = -1;
+
+static int hf_dhcpv6_msgtype = -1;
+static int hf_clientfqdn_bad_msgtype = -1;
+static int hf_clientfqdn_flags = -1;
+static int hf_clientfqdn_client_n = -1;
+static int hf_clientfqdn_client_s = -1;
+static int hf_clientfqdn_server_n = -1;
+static int hf_clientfqdn_server_o = -1;
+static int hf_clientfqdn_server_s = -1;
+static int hf_option_type_str=-1;
+static int hf_option_type_num = -1;
+static int hf_option_length = -1;
+static int hf_empty_domain_name = -1;
+static int hf_remoteid_enterprise = -1;
+static int hf_vendoropts_enterprise = -1;
+static int hf_duid_bytes = -1;
+static int hf_duid_type = -1;
+static int hf_duidllt_time = -1;
+static int hf_duidllt_link_layer_addr = -1;
+static int hf_duidllt_link_layer_addr_ether = -1;
+static int hf_duidllt_hwtype = -1;
+static int hf_duidll_hwtype = -1;
+static int hf_duiden_enterprise = -1;
+static int hf_duiden_identifier = -1;
+static int hf_duidll_link_layer_addr = -1;
+static int hf_duidll_link_layer_addr_ether = -1;
+static int hf_duiduuid_bytes = -1;
+static int hf_iaid = -1;
+static int hf_iaid_t1 = -1;
+static int hf_iaid_t2 = -1;
+static int hf_iata = -1;
+static int hf_iaaddr_ip = -1;
+static int hf_iaaddr_pref_lifetime = -1;
+static int hf_iaaddr_valid_lifetime = -1;
+static int hf_requested_option_code = -1;
+static int hf_option_preference = -1;
+static int hf_elapsed_time = -1;
+static int hf_auth_protocol = -1;
+static int hf_auth_algorithm = -1;
+static int hf_auth_rdm = -1;
+static int hf_auth_replay_detection = -1;
+static int hf_auth_info = -1;
+static int hf_auth_realm = -1;
+static int hf_auth_key_id = -1;
+static int hf_auth_md5_data = -1;
+static int hf_opt_unicast = -1;
+static int hf_opt_status_code = -1;
+static int hf_opt_status_msg = -1;
+static int hf_vendorclass_enterprise = -1;
+static int hf_vendorclass_data = -1;
+static int hf_vendoropts_enterprise_option_code = -1;
+static int hf_vendoropts_enterprise_option_length = -1;
+static int hf_vendoropts_enterprise_option_data = -1;
+static int hf_interface_id = -1;
+static int hf_reconf_msg = -1;
+static int hf_sip_server_domain_search_fqdn = -1;
+static int hf_sip_server_a = -1;
+static int hf_dns_servers = -1;
+static int hf_domain_search_list_entry = -1;
+static int hf_nis_servers = -1;
+static int hf_nisp_servers = -1;
+static int hf_nis_fqdn = -1;
+static int hf_nisp_fqdn = -1;
+static int hf_sntp_servers = -1;
+static int hf_opt_lifetime = -1;
+static int hf_bcmcs_servers_fqdn = -1;
+static int hf_bcmcs_servers_a = -1;
+static int hf_remoteid_enterprise_id = -1;
+static int hf_subscriber_id = -1;
+static int hf_client_fqdn = -1;
+static int hf_pana_agent = -1;
+static int hf_opt_timezone = -1;
+static int hf_opt_tzdb = -1;
+static int hf_lq_query = -1;
+static int hf_lq_query_link_address = -1;
+static int hf_clt_time = -1;
+static int hf_lq_relay_data_peer_addr = -1;
+static int hf_lq_relay_data_msg = -1;
+static int hf_lq_client_link = -1;
+static int hf_capwap_ac_v6 = -1;
+static int hf_aftr_name = -1;
+static int hf_iaprefix_pref_lifetime = -1;
+static int hf_iaprefix_valid_lifetime = -1;
+static int hf_iaprefix_pref_len = -1;
+static int hf_iaprefix_pref_addr = -1;
+static int hf_mip6_ha = -1;
+static int hf_mip6_hoa = -1;
+static int hf_nai = -1;
+static int hf_pd_exclude_pref_len = -1;
+static int hf_pd_exclude_subnet_id = -1;
+static int hf_option_captive_portal = -1;
+static int hf_option_s46_option_code = -1;
+static int hf_option_failover_binding_status = -1;
+static int hf_option_failover_connect_flags = -1;
+static int hf_option_failover_connect_reserved_flag = -1;
+static int hf_option_failover_connect_f_flag = -1;
+static int hf_option_failover_dns_hostname = -1;
+static int hf_option_failover_dns_zonename = -1;
+static int hf_option_failover_dns_flags = -1;
+static int hf_option_failover_dns_reserved_flag = -1;
+static int hf_option_failover_dns_u_flag = -1;
+static int hf_option_failover_dns_s_flag = -1;
+static int hf_option_failover_dns_r_flag = -1;
+static int hf_option_failover_dns_f_flag = -1;
+static int hf_option_failover_expiration_time = -1;
+static int hf_option_failover_max_unacked_bndupd = -1;
+static int hf_option_failover_mclt = -1;
+static int hf_option_failover_partner_lifetime = -1;
+static int hf_option_failover_partner_lifetime_sent = -1;
+static int hf_option_failover_partner_downtime = -1;
+static int hf_option_failover_partner_raw_clt_time = -1;
+static int hf_option_failover_major_version = -1;
+static int hf_option_failover_minor_version = -1;
+static int hf_option_failover_keepalive_time = -1;
+static int hf_option_failover_reconfigure_time = -1;
+static int hf_option_failover_reconfigure_key = -1;
+static int hf_option_failover_relationship_name = -1;
+static int hf_option_failover_server_flags = -1;
+static int hf_option_failover_server_reserved_flag = -1;
+static int hf_option_failover_server_a_flag = -1;
+static int hf_option_failover_server_s_flag = -1;
+static int hf_option_failover_server_c_flag = -1;
+static int hf_option_failover_server_state = -1;
+static int hf_option_failover_start_time_of_state = -1;
+static int hf_option_failover_state_expiration_time = -1;
+static int hf_option_relay_port = -1;
+static int hf_dhcpv6_hopcount = -1;
+static int hf_dhcpv6_xid = -1;
+static int hf_dhcpv6_peeraddr = -1;
+static int hf_dhcpv6_linkaddr = -1;
+static int hf_opt_mudurl = -1;
+static int hf_option_userclass_length = -1;
+static int hf_option_userclass_opaque_data = -1;
+static int hf_option_ntpserver_type = -1;
+static int hf_option_ntpserver_length = -1;
+static int hf_option_ntpserver_addr = -1;
+static int hf_option_ntpserver_mc_addr = -1;
+static int hf_option_ntpserver_fqdn = -1;
+static int hf_packetcable_ccc_suboption = -1;
+static int hf_packetcable_ccc_pri_dhcp = -1;
+static int hf_packetcable_ccc_sec_dhcp = -1;
+static int hf_packetcable_cccV6_suboption = -1;
+static int hf_packetcable_cccV6_pri_dss = -1;
+static int hf_packetcable_cccV6_sec_dss = -1;
+static int hf_packetcable_cccV6_prov_srv_type = -1;
+static int hf_packetcable_cccV6_prov_srv_fqdn = -1;
+static int hf_packetcable_cccV6_prov_srv_ipv6 = -1;
+static int hf_packetcable_cccV6_as_krb_nominal_timeout = -1;
+static int hf_packetcable_cccV6_as_krb_max_timeout = -1;
+static int hf_packetcable_cccV6_as_krb_max_retry_count = -1;
+static int hf_packetcable_cccV6_ap_krb_nominal_timeout = -1;
+static int hf_packetcable_cccV6_ap_krb_max_timeout = -1;
+static int hf_packetcable_cccV6_ap_krb_max_retry_count = -1;
+static int hf_packetcable_cccV6_krb_realm = -1;
+static int hf_packetcable_cccV6_tgt_flag = -1;
+static int hf_packetcable_cccV6_tgt_flag_fetch = -1;
+static int hf_packetcable_cccV6_prov_timer = -1;
+static int hf_packetcable_cccV6_sec_tcm = -1;
+static int hf_packetcable_cccV6_sec_tcm_provisioning_server = -1;
+static int hf_packetcable_cccV6_sec_tcm_call_manager_server = -1;
+static int hf_cablelabs_opts = -1;
+static int hf_modem_capabilities_encoding_type = -1;
+static int hf_eue_capabilities_encoding_type = -1;
+static int hf_capabilities_encoding_length = -1;
+static int hf_capabilities_encoding_bytes = -1;
+static int hf_capabilities_encoding_number = -1;
+static int hf_cablelabs_ipv6_server = -1;
+static int hf_cablelabs_docsis_version_number = -1;
+static int hf_cablelabs_dpoe_server_version_number = -1;
+static int hf_cablelabs_interface_id = -1;
+static int hf_cablelabs_interface_id_link_address = -1;
+static int hf_option_s46_rule_flags = -1;
+static int hf_option_s46_rule_reserved_flag = -1;
+static int hf_option_s46_rule_fmr_flag = -1;
+static int hf_option_s46_rule_ea_len = -1;
+static int hf_option_s46_rule_ipv4_pref_len = -1;
+static int hf_option_s46_rule_ipv4_prefix = -1;
+static int hf_option_s46_rule_ipv6_pref_len = -1;
+static int hf_option_s46_rule_ipv6_prefix = -1;
+static int hf_option_s46_br_address = -1;
+static int hf_option_s46_dmr_pref_len = -1;
+static int hf_option_s46_dmr_prefix = -1;
+static int hf_option_s46_v4v6bind_ipv4_address = -1;
+static int hf_option_s46_v4v6bind_ipv6_pref_len = -1;
+static int hf_option_s46_v4v6bind_ipv6_prefix = -1;
+static int hf_option_s46_portparam_offset = -1;
+static int hf_option_s46_portparam_psid_len = -1;
+static int hf_option_s46_portparam_psid = -1;
+static int hf_client_link_layer_addr_hwtype = -1;
+static int hf_client_link_layer_addr = -1;
+static int hf_client_link_layer_addr_ether = -1;
+
+static int hf_dhcpv6_non_dns_encoded_name = -1;
+static int hf_dhcpv6_domain_field_len_exceeded = -1;
+static int hf_dhcpv6_decoded_portion = -1;
+static int hf_dhcpv6_encoded_fqdn_len_gt_255 = -1;
+static int hf_dhcpv6_root_only_domain_name = -1;
+static int hf_dhcpv6_tld = -1;
+static int hf_dhcpv6_partial_name_preceded_by_fqdn = -1;
+
+static gint ett_dhcpv6 = -1;
+static gint ett_dhcpv6_option = -1;
+static gint ett_dhcpv6_option_vsoption = -1;
+static gint ett_dhcpv6_vendor_option = -1;
+static gint ett_dhcpv6_pkt_option = -1;
+static gint ett_dhcpv6_userclass_option = -1;
+static gint ett_dhcpv6_netserver_option = -1;
+static gint ett_dhcpv6_tlv5_type = -1;
+static gint ett_dhcpv6_sip_server_domain_search_list_option = -1;
+static gint ett_dhcpv6_dns_domain_search_list_option = -1;
+static gint ett_dhcpv6_nis_domain_name_option = -1;
+static gint ett_dhcpv6_nisp_domain_name_option = -1;
+static gint ett_dhcpv6_bcmcs_servers_domain_search_list_option = -1;
+static gint ett_dhcpv6_s46_rule_flags = -1;
+static gint ett_dhcpv6_failover_connect_flags = -1;
+static gint ett_dhcpv6_failover_dns_flags = -1;
+static gint ett_dhcpv6_failover_server_flags = -1;
+static gint ett_clientfqdn_flags = -1;
+static gint ett_clientfqdn_expert = -1;
+
+/* Expert fields relating to domain names */
+static expert_field ei_dhcpv6_non_dns_encoded_name=EI_INIT;
+static expert_field ei_dhcpv6_domain_field_len_exceeded=EI_INIT;
+static expert_field ei_dhcpv6_encoded_fqdn_len_gt_255=EI_INIT;
+static expert_field ei_dhcpv6_root_only_domain_name=EI_INIT;
+static expert_field ei_dhcpv6_tld_lookup=EI_INIT;
+static expert_field ei_dhcpv6_partial_name_preceded_by_fqdn=EI_INIT;
+/*
+ * Expert fields triggered in dhcpv6_option() and others */
+static expert_field ei_dhcpv6_bogus_length = EI_INIT;
+static expert_field ei_dhcpv6_malformed_option = EI_INIT;
+static expert_field ei_dhcpv6_no_suboption_len = EI_INIT;
+static expert_field ei_dhcpv6_invalid_time_value = EI_INIT;
+static expert_field ei_dhcpv6_invalid_type = EI_INIT;
+static expert_field ei_dhcpv6_error_hopcount = EI_INIT;
+static expert_field ei_dhcpv6_clientfqdn_bad_msgtype=EI_INIT;
+static expert_field ei_dhcpv6_s_bit_should_be_zero=EI_INIT;
+
+
+static int hf_dhcpv6_bulk_leasequery_size = -1;
+static int hf_dhcpv6_bulk_leasequery_msgtype = -1;
+static int hf_dhcpv6_bulk_leasequery_reserved = -1;
+static int hf_dhcpv6_bulk_leasequery_trans_id = -1;
+
+static gint ett_dhcpv6_bulk_leasequery = -1;
+static gint ett_dhcpv6_bulk_leasequery_options = -1;
+
+static expert_field ei_dhcpv6_bulk_leasequery_bad_query_type = EI_INIT;
+static expert_field ei_dhcpv6_bulk_leasequery_bad_msg_type = EI_INIT;
+
+static dissector_handle_t dhcpv6_handle;
+static dissector_handle_t dhcpv6_cablelabs_handle;
+
+static dissector_table_t dhcpv6_enterprise_opts_dissector_table;
+
+#define DHCPV6_HW_IS_ETHER(hwtype, length) ((hwtype == 1 || hwtype == 6) && length == 6)
+
+#define TCP_PORT_DHCPV6_UPSTREAM 547
+#define UDP_PORT_DHCPV6_RANGE "546-547" /* Downstream + Upstream */
+
+#define DHCPV6_LEASEDURATION_INFINITY 0xffffffff
+#define HOP_COUNT_LIMIT 32
+
+/********************************************************************************************/
+/********************************** MESSAGE TYPES *******************************************/
+/********************************************************************************************/
+/* SENT BY */
+/* ------- */
+#define SOLICIT 1 /* CLIENT */
+#define ADVERTISE 2 /* SERVER(S) */
+#define REQUEST 3 /* CLIENT */
+#define CONFIRM 4 /* CLIENT */
+#define RENEW 5 /* CLIENT */
+#define REBIND 6 /* CLIENT */
+#define REPLY 7 /* SERVER(S) */
+#define RELEASE 8 /* CLIENT */
+#define DECLINE 9 /* CLIENT */
+#define RECONFIGURE 10 /* SERVER(S) (see 18-19) */
+#define INFORMATION_REQUEST 11 /* CLIENT */
+#define RELAY_FORW 12 /* relay agents */
+#define RELAY_REPLY 13 /* relay agents */
+#define LEASEQUERY 14 /* */
+#define LEASEQUERY_REPLY 15 /* */
+#define LEASEQUERY_DONE 16 /* */
+#define LEASEQUERY_DATA 17 /* */
+#define RECONFIGURE_REQUEST 18 /* SERVER (Server requests client to send requests) */
+#define RECONFIGURE_REPLY 19 /* CLIENT (Client replies with the requested requests) */
+
+/* TODO: add support the following message types
+#define DHCPV4-QUERY 20 [RFC7341]
+#define DHCPV4-RESPONSE 21 [RFC7341]
+#define ACTIVELEASEQUERY 22 [RFC7653]
+#define STARTTLS 23 [RFC7653]
+#define BNDUPD 24 [RFC8156]
+#define BNDREPLY 25 [RFC8156]
+#define POOLREQ 26 [RFC8156]
+#define POOLRESP 27 [RFC8156]
+#define UPDREQ 28 [RFC8156]
+#define UPDREQALL 29 [RFC8156]
+#define UPDDONE 30 [RFC8156]
+#define CONNECT 31 [RFC8156]
+#define CONNECTREPLY 32 [RFC8156]
+#define DISCONNECT 33 [RFC8156]
+#define STATE 34 [RFC8156]
+#define CONTACT 35 [RFC8156]
+ 36-255 Unassigned
+*********************************************************************************************/
+
+/********************************************************************************************/
+/**************************************** OPTIONS *******************************************/
+/********************************************************************************************/
+#define OPTION_CLIENTID 1
+#define OPTION_SERVERID 2
+#define OPTION_IA_NA 3
+#define OPTION_IA_TA 4
+#define OPTION_IAADDR 5
+#define OPTION_ORO 6
+#define OPTION_PREFERENCE 7
+#define OPTION_ELAPSED_TIME 8
+#define OPTION_RELAY_MSG 9
+/* #define OPTION_SERVER_MSG 10 */
+#define OPTION_AUTH 11
+#define OPTION_UNICAST 12
+#define OPTION_STATUS_CODE 13
+#define OPTION_RAPID_COMMIT 14
+#define OPTION_USER_CLASS 15
+#define OPTION_VENDOR_CLASS 16
+#define OPTION_VENDOR_OPTS 17
+#define OPTION_INTERFACE_ID 18
+#define OPTION_RECONF_MSG 19
+#define OPTION_RECONF_ACCEPT 20
+#define OPTION_SIP_SERVER_D 21 /* RFC 3319 */
+#define OPTION_SIP_SERVER_A 22 /* RFC 3319 */
+#define OPTION_DNS_SERVERS 23 /* RFC 3646 */
+#define OPTION_DOMAIN_LIST 24 /* RFC 3646 */
+#define OPTION_IA_PD 25 /* RFC 3633 */
+#define OPTION_IAPREFIX 26 /* RFC 3633 */
+#define OPTION_NIS_SERVERS 27 /* RFC 3898 */
+#define OPTION_NISP_SERVERS 28 /* RFC 3898 */
+#define OPTION_NIS_DOMAIN_NAME 29 /* RFC 3898 */
+#define OPTION_NISP_DOMAIN_NAME 30 /* RFC 3898 */
+#define OPTION_SNTP_SERVERS 31 /* RFC 4075 */
+#define OPTION_LIFETIME 32 /* RFC 4242: OPTION_INFORMATION_REFRESH_TIME */
+#define OPTION_BCMCS_SERVER_D 33 /* RFC 4280 */
+#define OPTION_BCMCS_SERVER_A 34 /* RFC 4280 */
+/* 35 - Unassigned */
+#define OPTION_GEOCONF_CIVIC 36 /* RFC 4776 */
+#define OPTION_REMOTE_ID 37 /* RFC 4649 */
+#define OPTION_SUBSCRIBER_ID 38 /* RFC 4580 */
+#define OPTION_CLIENT_FQDN 39 /* RFC 4704 */
+#define OPTION_PANA_AGENT 40 /* RFC 5192 */
+#define OPTION_TIME_ZONE 41 /* RFC 4833: OPTION_NEW_POSIX_TIMEZONE */
+#define OPTION_TZDB 42 /* RFC 4833: OPTION_NEW_TZDB_TIMEZONE */
+#define OPTION_ERO 43 /* RFC 4994 */
+#define OPTION_LQ_QUERY 44 /* RFC 5007 */
+#define OPTION_CLIENT_DATA 45 /* RFC 5007 */
+#define OPTION_CLT_TIME 46 /* RFC 5007 */
+#define OPTION_LQ_RELAY_DATA 47 /* RFC 5007 */
+#define OPTION_LQ_CLIENT_LINK 48 /* RFC 5007 */
+#define OPTION_MIP6_HNIDF 49 /* RFC 6610 */
+#define OPTION_MIP6_VDINF 50 /* RFC 6610 */
+#define OPTION_V6_LOST 51 /* RFC 5223 */
+#define OPTION_CAPWAP_AC_V6 52 /* RFC 5417 */
+#define OPTION_RELAYID 53 /* RFC 5460 */
+#define OPTION_IPV6_ADDRESS_MOS 54 /* RFC 5678: OPTION-IPv6_Address-MoS */
+#define OPTION_IPV6_FQDN_MOS 55 /* RFC 5678: OPTION-IPv6_FQDN-MoS */
+#define OPTION_NTP_SERVER 56 /* RFC 5908 */
+#define OPTION_V6_ACCESS_DOMAIN 57 /* RFC 5986 */
+#define OPTION_SIP_UA_CS_LIST 58 /* RFC 6011 */
+#define OPTION_BOOTFILE_URL 59 /* RFC 5970: OPT_BOOTFILE_URL */
+#define OPTION_BOOTFILE_PARAM 60 /* RFC 5970: OPT_BOOTFILE_PARAM */
+#define OPTION_CLIENT_ARCH_TYPE 61 /* RFC 5970 */
+#define OPTION_NII 62 /* RFC 5970 */
+#define OPTION_GEOLOCATION 63 /* RFC 6225 */
+#define OPTION_AFTR_NAME 64 /* RFC 6334 */
+#define OPTION_ERP_LOCAL_DOMAIN_NAME 65 /* RFC 6440 */
+#define OPTION_RSOO 66 /* RFC 6422 */
+#define OPTION_PD_EXCLUDE 67 /* RFC 6603 */
+#define OPTION_VSS 68 /* RFC 6607 */
+#define OPTION_MIP6_IDINF 69 /* RFC 6610 */
+#define OPTION_MIP6_UDINF 70 /* RFC 6610 */
+#define OPTION_MIP6_HNP 71 /* RFC 6610 */
+#define OPTION_MIP6_HAA 72 /* RFC 6610 */
+#define OPTION_MIP6_HAF 73 /* RFC 6610 */
+#define OPTION_RDNSS_SELECTION 74 /* RFC 6731 */
+#define OPTION_KRB_PRINCIPAL_NAME 75 /* RFC 6784 */
+#define OPTION_KRB_REALM_NAME 76 /* RFC 6784 */
+#define OPTION_KRB_DEFAULT_REALM_NAME 77 /* RFC 6784 */
+#define OPTION_KRB_KDC 78 /* RFC 6784 */
+#define OPTION_CLIENT_LINKLAYER_ADDR 79 /* RFC 6939 */
+#define OPTION_LINK_ADDRESS 80 /* RFC 6977 */
+#define OPTION_RADIUS 81 /* RFC 7037 */
+#define OPTION_SOL_MAX_RT 82 /* RFC 7083 */
+#define OPTION_INF_MAX_RT 83 /* RFC 7083 */
+#define OPTION_ADDRSEL 84 /* RFC 7078 */
+#define OPTION_ADDRSEL_TABLE 85 /* RFC 7078 */
+#define OPTION_V6_PCP_SERVER 86 /* RFC 7291 */
+#define OPTION_DHCPV4_MSG 87 /* RFC 7341 */
+#define OPTION_DHCP4_O_DHCP6_SERVER 88 /* RFC 7341 */
+#define OPTION_S46_RULE 89 /* RFC 7598 */
+#define OPTION_S46_BR 90 /* RFC 7598 */
+#define OPTION_S46_DMR 91 /* RFC 7598 */
+#define OPTION_S46_V4V6BIND 92 /* RFC 7598 */
+#define OPTION_S46_PORTPARAMS 93 /* RFC 7598 */
+#define OPTION_S46_CONT_MAPE 94 /* RFC 7598 */
+#define OPTION_S46_CONT_MAPT 95 /* RFC 7598 */
+#define OPTION_S46_CONT_LW 96 /* RFC 7598 */
+#define OPTION_4RD 97 /* RFC 7600 */
+#define OPTION_4RD_MAP_RULE 98 /* RFC 7600 */
+#define OPTION_4RD_NON_MAP_RULE 99 /* RFC 7600 */
+#define OPTION_LQ_BASE_TIME 100 /* RFC 7653 */
+#define OPTION_LQ_START_TIME 101 /* RFC 7653 */
+#define OPTION_LQ_END_TIME 102 /* RFC 7653 */
+#define OPTION_CAPTIVE_PORTAL 103 /* RFC 7710: DHCP Captive-Portal */
+#define OPTION_MPL_PARAMETERS 104 /* RFC 7774 */
+#define OPTION_ANI_ATT 105 /* RFC 7839 */
+#define OPTION_ANI_NETWORK_NAME 106 /* RFC 7839 */
+#define OPTION_ANI_AP_NAME 107 /* RFC 7839 */
+#define OPTION_ANI_AP_BSSID 108 /* RFC 7839 */
+#define OPTION_ANI_OPERATOR_ID 109 /* RFC 7839 */
+#define OPTION_ANI_OPERATOR_REALM 110 /* RFC 7839 */
+#define OPTION_S46_PRIORITY 111 /* RFC 8026 */
+#define OPTION_MUDURL 112 /* MUDURL */
+#define OPTION_V6_PREFIX64 113 /* RFC 8115 */
+#define OPTION_F_BINDING_STATUS 114 /* RFC 8156 */
+#define OPTION_F_CONNECT_FLAGS 115 /* RFC 8156 */
+#define OPTION_F_DNS_REMOVAL_INFO 116 /* RFC 8156 */
+#define OPTION_F_DNS_HOST_NAME 117 /* RFC 8156 */
+#define OPTION_F_DNS_ZONE_NAME 118 /* RFC 8156 */
+#define OPTION_F_DNS_FLAGS 119 /* RFC 8156 */
+#define OPTION_F_EXPIRATION_TIME 120 /* RFC 8156 */
+#define OPTION_F_MAX_UNACKED_BNDUPD 121 /* RFC 8156 */
+#define OPTION_F_MCLT 122 /* RFC 8156 */
+#define OPTION_F_PARTNER_LIFETIME 123 /* RFC 8156 */
+#define OPTION_F_PARTNER_LIFETIME_SENT 124 /* RFC 8156 */
+#define OPTION_F_PARTNER_DOWN_TIME 125 /* RFC 8156 */
+#define OPTION_F_PARTNER_RAW_CLT_TIME 126 /* RFC 8156 */
+#define OPTION_F_PROTOCOL_VERSION 127 /* RFC 8156 */
+#define OPTION_F_KEEPALIVE_TIME 128 /* RFC 8156 */
+#define OPTION_F_RECONFIGURE_DATA 129 /* RFC 8156 */
+#define OPTION_F_RELATIONSHIP_NAME 130 /* RFC 8156 */
+#define OPTION_F_SERVER_FLAGS 131 /* RFC 8156 */
+#define OPTION_F_SERVER_STATE 132 /* RFC 8156 */
+#define OPTION_F_START_TIME_OF_STATE 133 /* RFC 8156 */
+#define OPTION_F_STATE_EXPIRATION_TIME 134 /* RFC 8156 */
+#define OPTION_RELAY_PORT 135 /* RFC 8357 */
+#define OPTION_V6_SZTP_REDIRECT 136 /* RFC-ietf-netconf-zerotouch-29 */
+#define OPTION_S46_BIND_IPV6_PREFIX 137 /* RFC 8539 */
+#define OPTION_IPv6_ADDRESS_ANDSF 143 /* RFC 6153 */
+
+/* temporary value until defined by IETF */
+#define OPTION_MIP6_HA 165
+#define OPTION_MIP6_HOA 166
+#define OPTION_NAI 167
+/********************************************************************************************/
+
+#define DUID_LLT 1
+#define DUID_EN 2
+#define DUID_LL 3
+#define DUID_UUID 4
+
+static const value_string msgtype_vals[] = {
+ { SOLICIT, "Solicit" },
+ { ADVERTISE, "Advertise" },
+ { REQUEST, "Request" },
+ { CONFIRM, "Confirm" },
+ { RENEW, "Renew" },
+ { REBIND, "Rebind" },
+ { REPLY, "Reply" },
+ { RELEASE, "Release" },
+ { DECLINE, "Decline" },
+ { RECONFIGURE, "Reconfigure" },
+ { INFORMATION_REQUEST, "Information-request" },
+ { RELAY_FORW, "Relay-forw" },
+ { RELAY_REPLY, "Relay-reply" },
+ { LEASEQUERY, "Leasequery" },
+ { LEASEQUERY_REPLY, "Leasequery-reply" },
+ { LEASEQUERY_DONE, "Leasequery-done" },
+ { LEASEQUERY_DATA, "Leasequery-data" },
+ { RECONFIGURE_REQUEST, "Reconfigure-request" },
+ { RECONFIGURE_REPLY, "Reconfigure-reply" },
+ { 0, NULL }
+};
+static value_string_ext msgtype_vals_ext = VALUE_STRING_EXT_INIT(msgtype_vals);
+
+static const value_string opttype_vals[] = {
+ { OPTION_CLIENTID, "Client Identifier" },
+ { OPTION_SERVERID, "Server Identifier" },
+ { OPTION_IA_NA, "Identity Association for Non-temporary Address" },
+ { OPTION_IA_TA, "Identity Association for Temporary Address" },
+ { OPTION_IAADDR, "IA Address" },
+ { OPTION_ORO, "Option Request" },
+ { OPTION_PREFERENCE, "Preference" },
+ { OPTION_ELAPSED_TIME, "Elapsed time" },
+ { OPTION_RELAY_MSG, "Relay Message" },
+/* { OPTION_SERVER_MSG, "Server message" }, */
+ { OPTION_AUTH, "Authentication" },
+ { OPTION_UNICAST, "Server unicast" },
+ { OPTION_STATUS_CODE, "Status code" },
+ { OPTION_RAPID_COMMIT, "Rapid Commit" },
+ { OPTION_USER_CLASS, "User Class" },
+ { OPTION_VENDOR_CLASS, "Vendor Class" },
+ { OPTION_VENDOR_OPTS, "Vendor-specific Information" },
+ { OPTION_INTERFACE_ID, "Interface-Id" },
+ { OPTION_RECONF_MSG, "Reconfigure Message" },
+ { OPTION_RECONF_ACCEPT, "Reconfigure Accept" },
+ { OPTION_SIP_SERVER_D, "SIP Server Domain Name List" },
+ { OPTION_SIP_SERVER_A, "SIP Servers IPv6 Address List" },
+ { OPTION_DNS_SERVERS, "DNS recursive name server" },
+ { OPTION_DOMAIN_LIST, "Domain Search List" },
+ { OPTION_IA_PD, "Identity Association for Prefix Delegation" },
+ { OPTION_IAPREFIX, "IA Prefix" },
+ { OPTION_NIS_SERVERS, "Network Information Server" },
+ { OPTION_NISP_SERVERS, "Network Information Server V2" },
+ { OPTION_NIS_DOMAIN_NAME, "Network Information Server Domain Name" },
+ { OPTION_NISP_DOMAIN_NAME, "Network Information Server V2 Domain Name" },
+ { OPTION_SNTP_SERVERS, "Simple Network Time Protocol Server" },
+ { OPTION_LIFETIME, "Lifetime" },
+ { OPTION_BCMCS_SERVER_D, "BCMCS Server Domain" },
+ { OPTION_BCMCS_SERVER_A, "BCMCS Servers IPv6 Address List" },
+ { OPTION_GEOCONF_CIVIC, "Geoconf Civic Address" },
+ { OPTION_REMOTE_ID, "Remote Identifier" },
+ { OPTION_SUBSCRIBER_ID, "Subscriber Identifier" },
+ { OPTION_CLIENT_FQDN, "Client Fully Qualified Domain Name" },
+ { OPTION_PANA_AGENT, "PANA Agents IPv6 Address List" },
+ { OPTION_TIME_ZONE, "Time Zone" },
+ { OPTION_TZDB, "Time Zone Database" },
+ { OPTION_ERO, "Echo Request Option" },
+ { OPTION_LQ_QUERY, "Leasequery Query" },
+ { OPTION_CLIENT_DATA, "Leasequery Client Data" },
+ { OPTION_CLT_TIME, "Client Last Transaction Time" },
+ { OPTION_LQ_RELAY_DATA, "Leasequery Relay Data" },
+ { OPTION_LQ_CLIENT_LINK, "Leasequery Client Link Address List" },
+ { OPTION_MIP6_HNIDF, "Home Network Identifier FQDN" },
+ { OPTION_MIP6_VDINF, "Visited Home Network Information" },
+ { OPTION_V6_LOST, "LoST Server" },
+ { OPTION_CAPWAP_AC_V6, "CAPWAP Access Controllers" },
+ { OPTION_RELAYID, "Relay-ID" },
+ { OPTION_IPV6_ADDRESS_MOS, "MoS IPv6 Address" },
+ { OPTION_IPV6_FQDN_MOS, "MoS Domain Name List" },
+ { OPTION_NTP_SERVER, "NTP Server" },
+ { OPTION_V6_ACCESS_DOMAIN, "Access Network Domain Name" },
+ { OPTION_SIP_UA_CS_LIST, "SIP User Agent Configuration Service Domains" },
+ { OPTION_BOOTFILE_URL, "Boot File URL" },
+ { OPTION_BOOTFILE_PARAM, "Boot File Parameters" },
+ { OPTION_CLIENT_ARCH_TYPE, "Client System Architecture Type" },
+ { OPTION_NII, "Client Network Interface Identifier" },
+ { OPTION_GEOLOCATION, "Geolocation" },
+ { OPTION_AFTR_NAME, "Dual-Stack Lite AFTR Name" },
+ { OPTION_ERP_LOCAL_DOMAIN_NAME, "ERP Local Domain Name" },
+ { OPTION_RSOO, "Relay-Supplied Options" },
+ { OPTION_PD_EXCLUDE, "Prefix Exclude" },
+ { OPTION_VSS, "Virtual Subnet Selection" },
+ { OPTION_MIP6_IDINF, "Identified Home Network Information" },
+ { OPTION_MIP6_UDINF, "Unrestricted Home Network Information" },
+ { OPTION_MIP6_HNP, "Home Network Prefix" },
+ { OPTION_MIP6_HAA, "Home Agent Address" },
+ { OPTION_MIP6_HAF, "Home Agent FQDN" },
+ { OPTION_RDNSS_SELECTION, "RDNSS Selection" },
+ { OPTION_KRB_PRINCIPAL_NAME, "Kerberos Principal Name" },
+ { OPTION_KRB_REALM_NAME, "Kerberos Realm Name" },
+ { OPTION_KRB_DEFAULT_REALM_NAME, "Kerberos Default Realm Name" },
+ { OPTION_KRB_KDC, "Kerberos KDC" },
+ { OPTION_CLIENT_LINKLAYER_ADDR, "Client Link-Layer Address" },
+ { OPTION_LINK_ADDRESS, "Link Address" },
+ { OPTION_RADIUS, "RADIUS" },
+ { OPTION_SOL_MAX_RT, "SOL_MAX_RT" },
+ { OPTION_INF_MAX_RT, "INF_MAX_RT" },
+ { OPTION_ADDRSEL, "Address Selection" },
+ { OPTION_ADDRSEL_TABLE, "Address Selection table" },
+ { OPTION_V6_PCP_SERVER, "PCP Server" },
+ { OPTION_DHCPV4_MSG, "DHCPv4 Message" },
+ { OPTION_DHCP4_O_DHCP6_SERVER, "DHCP 4o6 Servers Address" },
+ { OPTION_S46_RULE, "S46 Rule" },
+ { OPTION_S46_BR, "S46 BR" },
+ { OPTION_S46_DMR, "S46 DMR" },
+ { OPTION_S46_V4V6BIND, "S46 IPv4/IPv6 Address Binding" },
+ { OPTION_S46_PORTPARAMS, "S46 Port Parameters" },
+ { OPTION_S46_CONT_MAPE, "S46 MAP-E Container" },
+ { OPTION_S46_CONT_MAPT, "S46 MAP-T Container" },
+ { OPTION_S46_CONT_LW, "S46 Lightweight 4over6 Container" },
+ { OPTION_4RD, "4rd Options" },
+ { OPTION_4RD_MAP_RULE, "4rd Mapping Rule" },
+ { OPTION_4RD_NON_MAP_RULE, "4rd Non-Mapping Rule" },
+ { OPTION_LQ_BASE_TIME, "LQ Server Base Time" },
+ { OPTION_LQ_START_TIME, "LQ Server Query Start Time" },
+ { OPTION_LQ_END_TIME, "LQ Server Query End Time" },
+ { OPTION_CAPTIVE_PORTAL, "Captive Portal" },
+ { OPTION_MPL_PARAMETERS, "MPL Parameter Configuration" },
+ { OPTION_ANI_ATT, "Access Technology Type" },
+ { OPTION_ANI_NETWORK_NAME, "Access Network Name" },
+ { OPTION_ANI_AP_NAME, "Access Point Name" },
+ { OPTION_ANI_AP_BSSID, "Access Point BSSID" },
+ { OPTION_ANI_OPERATOR_ID, "Access Network Operator ID" },
+ { OPTION_ANI_OPERATOR_REALM, "Access Network Operator Realm" },
+ { OPTION_S46_PRIORITY, "S46 Priority" },
+ { OPTION_MUDURL, "Manufacturer Usage Description" },
+ { OPTION_V6_PREFIX64, "IPv4/IPv6 Multicast Prefixes" },
+ { OPTION_F_BINDING_STATUS, "Failover Binding Status" },
+ { OPTION_F_CONNECT_FLAGS, "Failover Connect Flags" },
+ { OPTION_F_DNS_REMOVAL_INFO, "Failover DNS Removal Info" },
+ { OPTION_F_DNS_HOST_NAME, "Failover DNS Hostname" },
+ { OPTION_F_DNS_ZONE_NAME, "Failover DNS Zone Name" },
+ { OPTION_F_DNS_FLAGS, "Failover DNS Flags" },
+ { OPTION_F_EXPIRATION_TIME, "Failover Expiration Time" },
+ { OPTION_F_MAX_UNACKED_BNDUPD, "Failover Maximum Number Unacked BNDUPD Messages" },
+ { OPTION_F_MCLT, "Failover Maximum Client Lead Time (MCLT)" },
+ { OPTION_F_PARTNER_LIFETIME, "Failover Partner Lifetime" },
+ { OPTION_F_PARTNER_LIFETIME_SENT,"Failover Partner Lifetime Sent" },
+ { OPTION_F_PARTNER_DOWN_TIME, "Failover Partner Down Time" },
+ { OPTION_F_PARTNER_RAW_CLT_TIME, "Failover Partner Raw Client Time" },
+ { OPTION_F_PROTOCOL_VERSION, "Failover Protocol Version" },
+ { OPTION_F_KEEPALIVE_TIME, "Failover Keepalive Time" },
+ { OPTION_F_RECONFIGURE_DATA, "Failover Reconfigure Data" },
+ { OPTION_F_RELATIONSHIP_NAME, "Failover Relationship Name" },
+ { OPTION_F_SERVER_FLAGS, "Failover Server Flags" },
+ { OPTION_F_SERVER_STATE, "Failover Server State" },
+ { OPTION_F_START_TIME_OF_STATE, "Failover Start Time of State" },
+ { OPTION_F_STATE_EXPIRATION_TIME,"Failover State Expiration Time" },
+ { OPTION_RELAY_PORT, "Relay Source Port" },
+ { OPTION_V6_SZTP_REDIRECT, "SZTP Redirect" },
+ { OPTION_S46_BIND_IPV6_PREFIX, "Softwire Source Binding Prefix Hint" },
+ { OPTION_IPv6_ADDRESS_ANDSF, "ANDSF IPv6 Address" },
+ { OPTION_MIP6_HA, "Mobile IPv6 Home Agent" },
+ { OPTION_MIP6_HOA, "Mobile IPv6 Home Address" },
+ { OPTION_NAI, "Network Access Identifier" },
+ { 0, NULL }
+};
+static value_string_ext opttype_vals_ext = VALUE_STRING_EXT_INIT(opttype_vals);
+
+static const value_string statuscode_vals[] =
+{
+ { 0, "Success" },
+ { 1, "UnspecFail" },
+ { 2, "NoAddrAvail" },
+ { 3, "NoBinding" },
+ { 4, "NotOnLink" },
+ { 5, "UseMulticast" },
+ { 6, "NoPrefixAvail" },
+ { 7, "UnknownQueryType" },
+ { 8, "MalformedQuery" },
+ { 9, "NotConfigured" },
+ {10, "NotAllowed" },
+ {11, "QueryTerminated" },
+ {12, "DataMissing" }, /* RFC 7653 */
+ {13, "CatchUpComplete" }, /* RFC 7653 */
+ {14, "NotSupported" }, /* RFC 7653 */
+ {15, "TLSConnectionRefused" }, /* RFC 7653 */
+ {0, NULL }
+};
+static value_string_ext statuscode_vals_ext = VALUE_STRING_EXT_INIT(statuscode_vals);
+
+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" },
+ { DUID_UUID, "Universally Unique IDentifier (UUID)" },
+ { 0, NULL }
+};
+
+#define NTP_SUBOPTION_SRV_ADDR 1
+#define NTP_SUBOPTION_MC_ADDR 2
+#define NTP_SUBOPTION_SRV_FQDN 3
+
+static const value_string ntp_server_opttype_vals[] =
+{
+ { NTP_SUBOPTION_SRV_ADDR, "NTP Server Address" },
+ { NTP_SUBOPTION_MC_ADDR, "NTP Multicast Address" },
+ { NTP_SUBOPTION_SRV_FQDN, "NTP Server FQDN" },
+
+ { 0, NULL }
+};
+
+
+static const true_false_string fqdn_n = {
+ "Server SHOULD NOT perform PTR RR updates",
+ "Server SHOULD perform PTR RR updates"
+};
+
+static const true_false_string fqdn_o = {
+ "Server HAS overridden client's S bit preference",
+ "Server HAS NOT overridden client's S bit preference"
+};
+
+static const true_false_string fqdn_s = {
+ "Server SHOULD perform AAAA RR updates",
+ "Server SHOULD NOT perform AAAA RR updates"
+};
+
+#define LQ_QUERY_ADDRESS 1
+#define LQ_QUERY_CLIENTID 2
+#define LQ_QUERY_RELAYID 3
+#define LQ_QUERY_LINK_ADDRESS 4
+#define LQ_QUERY_REMOTEID 5
+
+static const value_string lq_query_vals[] = {
+ { LQ_QUERY_ADDRESS, "by-address" },
+ { LQ_QUERY_CLIENTID, "by-clientID" },
+ { LQ_QUERY_RELAYID, "by-relayID" },
+ { LQ_QUERY_LINK_ADDRESS, "by-linkAddress" },
+ { LQ_QUERY_REMOTEID, "by-remoteID" },
+ { 0, NULL },
+};
+
+/* CableLabs Common Vendor Specific Options */
+#define CL_OPTION_ORO 0x0001 /* 1 */
+#define CL_OPTION_DEVICE_TYPE 0x0002 /* 2 */
+#define CL_OPTION_EMBEDDED_COMPONENT_LIST 0x0003 /* 3 */
+#define CL_OPTION_DEVICE_SERIAL_NUMBER 0x0004 /* 4 */
+#define CL_OPTION_HARDWARE_VERSION_NUMBER 0x0005 /* 5 */
+#define CL_OPTION_SOFTWARE_VERSION_NUMBER 0x0006 /* 6 */
+#define CL_OPTION_BOOT_ROM_VERSION 0x0007 /* 7 */
+#define CL_OPTION_VENDOR_OUI 0x0008 /* 8 */
+#define CL_OPTION_MODEL_NUMBER 0x0009 /* 9 */
+#define CL_OPTION_VENDOR_NAME 0x000a /* 10 */
+/* 11-32 are currently reserved */
+#define CL_OPTION_TFTP_SERVERS 0x0020 /* 32 */
+#define CL_OPTION_CONFIG_FILE_NAME 0x0021 /* 33 */
+#define CL_OPTION_SYSLOG_SERVERS 0x0022 /* 34 */
+#define CL_OPTION_TLV5 0x0023 /* 35 */
+#define CL_OPTION_DEVICE_ID 0x0024 /* 36 */
+#define CL_OPTION_RFC868_SERVERS 0x0025 /* 37 */
+#define CL_OPTION_TIME_OFFSET 0x0026 /* 38 */
+#define CL_OPTION_IP_PREF 0x0027 /* 39 */
+#define CL_OPTION_CCAP_CORES 0x003D /* 61 */
+
+/** CableLabs DOCSIS Project Vendor Specific Options */
+#define CL_OPTION_DOCS_CMTS_CAP 0x0401 /* 1025 */
+#define CL_CM_MAC_ADDR 0x0402 /* 1026 */
+#define CL_EROUTER_CONTAINER_OPTION 0x403 /* 1027 */
+
+/** CableLabs PacketCable Project Vendor Specific Options **/
+#define CL_OPTION_CCC 0x087a /* 2170 */
+#define CL_OPTION_CCCV6 0x087b /* 2171 */
+#define CL_OPTION_CORRELATION_ID 0x087c /* 2172 */
+
+/** CableLabs TLVs for DOCS_CMTS_CAP Vendor Option **/
+#define CL_OPTION_DOCS_CMTS_TLV_VERS_NUM 0x01 /* 1 */
+#define CL_OPTION_DOCS_DPOE_TLV_VERS_NUM 0x02 /* 2 */
+
+static const value_string cl_vendor_subopt_values[] = {
+ /* 1 */ { CL_OPTION_ORO, "Option Request = " },
+ /* 2 */ { CL_OPTION_DEVICE_TYPE, "Device Type = " },
+ /* 3 */ { CL_OPTION_EMBEDDED_COMPONENT_LIST, "Embedded Components = " },
+ /* 4 */ { CL_OPTION_DEVICE_SERIAL_NUMBER, "Serial Number = " },
+ /* 5 */ { CL_OPTION_HARDWARE_VERSION_NUMBER, "Hardware Version = " },
+ /* 6 */ { CL_OPTION_SOFTWARE_VERSION_NUMBER, "Software Version = " },
+ /* 7 */ { CL_OPTION_BOOT_ROM_VERSION, "Boot ROM Version = " },
+ /* 8 */ { CL_OPTION_VENDOR_OUI, "Organization Unique Identifier = " },
+ /* 9 */ { CL_OPTION_MODEL_NUMBER, "Model Number = " },
+ /* 10 */ { CL_OPTION_VENDOR_NAME, "Vendor Name = " },
+ /* 32 */ { CL_OPTION_TFTP_SERVERS, "TFTP Server Addresses : " },
+ /* 33 */ { CL_OPTION_CONFIG_FILE_NAME, "Configuration File Name = " },
+ /* 34 */ { CL_OPTION_SYSLOG_SERVERS, "Syslog Servers : " },
+ /* 35 */ { CL_OPTION_TLV5, "TLV5 = " },
+ /* 36 */ { CL_OPTION_DEVICE_ID, "Device Identifier = " },
+ /* 37 */ { CL_OPTION_RFC868_SERVERS, "Time Protocol Servers : " },
+ /* 38 */ { CL_OPTION_TIME_OFFSET, "Time Offset = " },
+ /* 39 */ { CL_OPTION_IP_PREF, "IP preference : " },
+ /* 61 */ { CL_OPTION_CCAP_CORES, "CCAP-CORES : " },
+ /* 1025 */ { CL_OPTION_DOCS_CMTS_CAP, "CMTS Capabilities Option : " },
+ /* 1026 */ { CL_CM_MAC_ADDR, "CM MAC Address Option = " },
+ /* 1027 */ { CL_EROUTER_CONTAINER_OPTION, "eRouter Container Option : " },
+ /* 2170 */ { CL_OPTION_CCC, "CableLabs Client Configuration : " },
+ /* 2171 */ { CL_OPTION_CCCV6, "CableLabs Client Configuration IPv6 : " },
+ /* 2172 */ { CL_OPTION_CORRELATION_ID, "CableLabs Correlation ID = " },
+ { 0, NULL }
+};
+static value_string_ext cl_vendor_subopt_values_ext = VALUE_STRING_EXT_INIT(cl_vendor_subopt_values);
+
+/* 17:2170: CL_OPTION_CCC */
+#define PKT_CCC_PRI_DHCP 0x0001
+#define PKT_CCC_SEC_DHCP 0x0002
+
+static const value_string pkt_ccc_opt_vals[] = {
+ { PKT_CCC_PRI_DHCP, "TSP's Primary DHCP Server" },
+ { PKT_CCC_SEC_DHCP, "TSP's Secondary DHCP Server" },
+ { 0, NULL },
+};
+
+/* 17:2171: CL_OPTION_CCCV6 */
+#define PKT_CCCV6_PRI_DSS 0x0001
+#define PKT_CCCV6_SEC_DSS 0x0002
+#define PKT_CCCV6_IETF_PROV_SRV 0x0003
+#define PKT_CCCV6_IETF_AS_KRB 0x0004
+#define PKT_CCCV6_IETF_AP_KRB 0x0005
+#define PKT_CCCV6_KRB_REALM 0x0006
+#define PKT_CCCV6_TGT_FLAG 0x0007
+#define PKT_CCCV6_PROV_TIMER 0x0008
+#define PKT_CCCV6_IETF_SEC_TKT 0x0009
+/** 10 -255 Reserved for future extensions **/
+
+static const value_string pkt_cccV6_opt_vals[] = {
+ { PKT_CCCV6_PRI_DSS, "TSP's Primary DHCPv6 Server Selector ID" },
+ { PKT_CCCV6_SEC_DSS, "TSP's Secondary DHCPv6 Server Selector ID " },
+ { PKT_CCCV6_IETF_PROV_SRV, "TSP's Provisioning Server" },
+ { PKT_CCCV6_IETF_AS_KRB, "TSP's AS-REQ/AS-REP Backoff and Retry" },
+ { PKT_CCCV6_IETF_AP_KRB, "TSP's AP-REQ/AP-REP Backoff and Retry" },
+ { PKT_CCCV6_KRB_REALM, "TSP's Kerberos Realm Name" },
+ { PKT_CCCV6_TGT_FLAG, "TSP's Ticket Granting Server Utilization" },
+ { PKT_CCCV6_PROV_TIMER, "TSP's Provisioning Timer Value" },
+ { PKT_CCCV6_IETF_SEC_TKT, "PacketCable Security Ticket Control" },
+ { 0, NULL }
+};
+static value_string_ext pkt_cccV6_opt_vals_ext = VALUE_STRING_EXT_INIT(pkt_cccV6_opt_vals);
+
+static const value_string pkt_cccV6_prov_srv_type_vals[] = {
+ { 0, "FQDN" },
+ { 1, "IPv6" },
+ { 0, NULL },
+};
+
+#if 0
+static const value_string sec_tcm_vals[] = {
+ { 1 << 0, "PacketCable Provisioning Server" },
+ { 1 << 1, "PacketCable Call Manager Servers" },
+ { 0, NULL },
+};
+#endif
+
+static const value_string modem_capabilities_encoding [] = {
+ { 1, "Concatenation Support" },
+ { 2, "DOCSIS Version" },
+ { 3, "Fragmentation Support" },
+ { 4, "Payload Header Suppression Support" },
+ { 5, "IGMP Support" },
+ { 6, "Privacy Support" },
+ { 7, "Downstream SAID Support" },
+ { 8, "Upstream Service Flow Support" },
+ { 9, "Optional Filtering Support" },
+ { 10, "Transmit Pre-Equalizer Taps per Modulation Interval" },
+ { 11, "Number of Transmit Equalizer Taps" },
+ { 12, "DCC Support" },
+ { 13, "IP Filters Support" },
+ { 14, "LLC Filters Support" },
+ { 15, "Expanded Unicast SID Space" },
+ { 16, "Ranging Hold-Off Support" },
+ { 17, "L2VPN Capability" },
+ { 18, "L2VPN eSAFE Host Capability" },
+ { 19, "Downstream Unencrypted Traffic (DUT) Filtering" },
+ { 20, "Upstream Frequency Range Support" },
+ { 21, "Upstream Symbol Rate Support" },
+ { 22, "Selectable Active Code Mode 2 Support" },
+ { 23, "Code Hopping Mode 2 Support" },
+ { 24, "Multiple Transmit Channel Support" },
+ { 25, "5.12 Msps UpstreamTransmit Channel Support" },
+ { 26, "2.56 Msps Upstream Transmit Channel Support" },
+ { 27, "Total SID Cluster Support" },
+ { 28, "SID Clusters per Service Flow Support" },
+ { 29, "Multiple Receive Channel Support" },
+ { 30, "Total Downstream Service ID (DSID) Support" },
+ { 31, "Resequencing Downstream Service ID (DSID) Support" },
+ { 32, "Multicast Downstream Service ID (DSID) Support" },
+ { 33, "Multicast DSID Forwarding" },
+ { 34, "Frame Control Type Forwarding Capability" },
+ { 35, "DPV Capability" },
+ { 36, "Unsolicited Grant Service/Upstream Service Flow Support" },
+ { 37, "MAP and UCD Receipt Support" },
+ { 38, "Upstream Drop Classifier Support" },
+ { 39, "IPv6 Support" },
+ { 40, "Extended Upstream Transmit Power Capability" },
+ { 41, "Optional 802.1ad, 802.1ah, MPLS Classification Support" },
+ { 42, "D-ONU Capabilities Encoding" },
+ { 43, "Reserved" },
+ { 44, "Energy Management Capabilities" },
+/* Added TLV5.45-62 from CL-SP-CANN-I18-180509 */
+ { 45, "C-DOCSIS Capability Encoding" },
+ { 46, "CM-STATUS-ACK" },
+ { 47, "Energy Management Preferences" },
+ { 48, "Extended Packet Length Support Capability" },
+ { 49, "Multiple Receive OFDM Channel Support" },
+ { 50, "Multiple Transmit OFDMA Channel Support" },
+ { 51, "Downstream OFDM Profile Support" },
+ { 52, "Downstream OFDM channel subcarrier QAM modulation support" },
+ { 53, "Upstream OFDM channel subcarrier QAM modulation support" },
+ { 54, "Downstream Lower Band Edge Support" },
+ { 55, "Downstream Upper Band Edge Support" },
+ { 56, "Upstream Upper Band Edge Support" },
+ { 57, "DOCSIS Time Protocol Support" },
+ { 58, "DOCSIS Time Protocol Performance Support" },
+ { 59, "Pmax" },
+ { 60, "Diplexer Downstream Lower Band Edge" },
+ { 61, "Diplexer Downstream Upper Band Edge" },
+ { 62, "Diplexer Upstream Upper Band Edge" },
+ { 0, NULL },
+};
+static value_string_ext modem_capabilities_encoding_ext = VALUE_STRING_EXT_INIT(modem_capabilities_encoding);
+
+static const value_string eue_capabilities_encoding [] = {
+ { 1, "PacketCable Version" },
+ { 2, "Number Of Telephony Endpoints" },
+ { 3, "TGT Support" },
+ { 4, "HTTP Download File Access Method Support" },
+ { 5, "MTA-24 Event SYSLOG Notification Support" },
+ { 6, "NCS Service Flow Support" },
+ { 7, "Primary Line Support" },
+ { 8, "Vendor Specific TLV Type(s)" },
+ { 9, "NVRAM Ticket/Ticket Information Storage Support" },
+ { 10, "Provisioning Event Reporting Support" },
+ { 11, "Supported CODEC(s)" },
+ { 12, "Silence Suppression Support" },
+ { 13, "Echo Cancellation Support" },
+ { 14, "RSVP Support" },
+ { 15, "UGS-AD Support" },
+ { 16, "MTA's \"ifIndex\" starting number in \"ifTable\"" },
+ { 17, "Provisioning Flow Logging Support" },
+ { 18, "Supported Provisioning Flows" },
+ { 19, "T38 Version Support" },
+ { 20, "T38 Error Correction Support" },
+ { 21, "RFC2833 DTMF Support" },
+ { 22, "Voice Metrics Support" },
+ { 23, "Device MIB Support" },
+ { 24, "Multiple Grants Per Interval Support" },
+ { 25, "V.152 Support" },
+ { 26, "Certificate Bootstrapping Support" },
+ { 38, "IP Address Provisioning Capability" },
+ { 0, NULL },
+};
+static value_string_ext eue_capabilities_encoding_ext = VALUE_STRING_EXT_INIT(eue_capabilities_encoding);
+
+static const value_string s46_opt_code_vals[] = {
+ { 64, "DS-Lite" },
+ { 88, "DHCPv4 over DHCPv6" },
+ { 94, "MAP-E" },
+ { 95, "MAP-T" },
+ { 96, "Lightweight 4over6" },
+ { 0, NULL },
+};
+
+static const value_string failover_binding_status_vals[] = {
+ { 0, "reserved" },
+ { 1, "ACTIVE" },
+ { 2, "EXPIRED" },
+ { 3, "RELEASED" },
+ { 4, "PENDING-FREE" },
+ { 5, "FREE" },
+ { 6, "FREE-BACKUP" },
+ { 7, "ABANDONED" },
+ { 8, "RESET" },
+ { 0, NULL },
+};
+
+static const value_string failover_server_state_vals[] = {
+ { 0, "reserved" },
+ { 1, "Startup state (1)" },
+ { 2, "Normal state" },
+ { 3, "Communications interrupted" },
+ { 4, "Partner down" },
+ { 5, "Synchronizing" },
+ { 6, "Recovering bindings from partner" },
+ { 7, "Waiting out MCLT after RECOVER" },
+ { 8, "Interlock state prior to NORMAL" },
+ { 9, "Comm. failed during resolution" },
+ { 10, "Primary resolved its conflicts" },
+ { 0, NULL },
+};
+
+static int * const dhcpv6_failover_connect_flags_fields[] = {
+ &hf_option_failover_connect_reserved_flag,
+ &hf_option_failover_connect_f_flag,
+ NULL
+};
+
+static int * const dhcpv6_failover_dns_flags_fields[] = {
+ &hf_option_failover_dns_reserved_flag,
+ &hf_option_failover_dns_u_flag,
+ &hf_option_failover_dns_s_flag,
+ &hf_option_failover_dns_r_flag,
+ &hf_option_failover_dns_f_flag,
+ NULL
+};
+
+static int * const dhcpv6_failover_server_flags_fields[] = {
+ &hf_option_failover_server_reserved_flag,
+ &hf_option_failover_server_a_flag,
+ &hf_option_failover_server_s_flag,
+ &hf_option_failover_server_c_flag,
+ NULL
+};
+
+typedef struct hopcount_info_t {
+ guint8 hopcount;
+ proto_item *pi;
+ gboolean relay_message_previously_detected;
+} hopcount_info;
+
+static int * const dhcpv6_s46_rule_flags_fields[] = {
+ &hf_option_s46_rule_reserved_flag,
+ &hf_option_s46_rule_fmr_flag,
+ NULL
+};
+
+
+static void
+initialize_hopount_info(hopcount_info *hpi) {
+ memset(hpi, 0, sizeof(hopcount_info));
+}
+
+static void
+dissect_dhcpv6(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
+ int off, int eoff, hopcount_info hpi);
+
+static int
+dissect_dhcpv6_s46_ipv6_prefix(tvbuff_t *tvb, int hf, int offset, int prefix_length, proto_tree *tree);
+
+
+static int
+dissect_packetcable_ccc_option(proto_tree *v_tree, proto_item *v_item, packet_info *pinfo, tvbuff_t *tvb, int optoff,
+ int optend)
+{
+ /** THE ENCODING OF THIS SUBOPTION HAS CHANGED FROM DHCPv4
+ the code and length fields have grown from a single octet to
+ two octets each. **/
+ int suboptoff = optoff;
+ guint16 subopt, subopt_len;
+ proto_item *vti;
+ proto_tree *pkt_s_tree;
+
+ subopt = tvb_get_ntohs(tvb, optoff);
+ suboptoff += 2;
+
+ subopt_len = tvb_get_ntohs(tvb, suboptoff);
+ suboptoff += 2;
+
+ /* There must be at least five octets left to be a valid sub element */
+ if (optend <= 0) {
+ expert_add_info_format(pinfo, v_item, &ei_dhcpv6_no_suboption_len, "Sub element %d: no room left in option for suboption length", subopt);
+ return (suboptoff - optoff);
+ }
+ /* g_print("dissect packetcable ccc option subopt_len=%d optend=%d\n\n", subopt_len, optend); */
+
+ vti = proto_tree_add_item(v_tree, hf_packetcable_ccc_suboption, tvb, optoff, 2, ENC_BIG_ENDIAN);
+ pkt_s_tree = proto_item_add_subtree(vti, ett_dhcpv6_pkt_option);
+
+ switch (subopt) {
+ case PKT_CCC_PRI_DHCP: /* IPv4 address values */
+ if (subopt_len == 4) {
+ proto_tree_add_item(pkt_s_tree, hf_packetcable_ccc_pri_dhcp, tvb, suboptoff, 4, ENC_BIG_ENDIAN);
+ }
+ else {
+ expert_add_info_format(pinfo, vti, &ei_dhcpv6_bogus_length, "Bogus length: %d", subopt_len);
+ }
+
+ suboptoff += subopt_len;
+ break;
+ case PKT_CCC_SEC_DHCP:
+ if (subopt_len == 4) {
+ proto_tree_add_item(pkt_s_tree, hf_packetcable_ccc_sec_dhcp, tvb, suboptoff, 4, ENC_BIG_ENDIAN);
+ }
+ else {
+ expert_add_info_format(pinfo, vti, &ei_dhcpv6_bogus_length, "Bogus length: %d", subopt_len);
+ }
+
+ suboptoff += subopt_len;
+ break;
+ default:
+ suboptoff += subopt_len;
+ break;
+
+ }
+
+ /** Return the number of bytes processed **/
+ return (suboptoff - optoff);
+}
+
+
+/** Dissect one or more domain names within an option's domain name field and verify conformance
+ * with RFCs 8415, 3646, 4704, 2181, 1535, 1035, and 1034. Sufficiently detailed info is provided
+ * as to the cause of each error.
+ *
+ * TERMINOLOGY:
+ * field An option's domain name field containing from 0-n domain names (DNs)
+ * DN Decoded FQDN or a partial (relative) name.
+ * label A DNS-encoded name consisting of length octet followed by a name of that many
+ * octets. Bits 7 and 8 of the length octet are 0 thus the maximum length of a
+ * name is 63 octets.
+ * root "the null length of the root". An encoded root label only consists of its length,
+ * [0] and decoded as a dot. The trailing dot of an FQDN should not be confused with
+ * dots within a DN which are used to delineate its names.
+ * TLD or tld A Top Level Domain name consisting of *two* encoded labels: name and root.
+ * For example, [3org0] are decoded as [org.]
+ * FQDN: Fully Qualified Domain Name: A "complete" or "absolute" domain name that consists
+ * of *three* or more labels the last of which is root [0].
+ * partial name One or more labels *not* terminated by root. Partial names consisting of two or
+ * more names are referred to as "multi-part partially qualified Domain Names"
+ * [RFC 1535 pg 4.]. They are also called "relative" names. "Relative names are either
+ * taken relative to a well known origin, or to a list of domains used as a search
+ * list." [RFC 1034 3.1]. A partial name must be the only DN in the field.
+ *
+ * TODO: Revise DNS routines such as dissect_dns_query(), get_dns_name(), and expand_dns_name()
+ * (a.) to be aware of relative/partial names
+ * (b.) to detect protocol violations per keywords "MUST" "REQUIRED" and "SHALL"
+ */
+/*
+ * This function assumes labels are encoded using ASCII. While RFC 1305 section 3.1
+ * supposedly doesn't formally mandate any one encoding, from my understanding of it,
+ * ASCII is "assumed" (and a de facto requirement for interoperability).
+ * An expert info for invalid ASCII in domain name labels would be a useful enhancement.
+ */
+static void
+dhcpv6_domain(proto_tree *subtree, proto_item *v_item _U_, packet_info *pinfo, int hfindex,
+ tvbuff_t *tvb, int dn_field_off, guint16 dn_field_len)
+{
+ int final_field_off; /* Last offset of in DN field */
+ guint8 *label_str;
+ guint8 label_len;
+ int remlen; /* The number of remaining octets in a domain field */
+ guint8 num_labels;
+ int first_lab_off; /* Offset of the first label of a DN */
+ wmem_strbuf_t *decoded_name_buf; /* Array used to construct an FQDN or partial name. */
+ int total_label_ascii_len; /* Accumulated count of decoded label bytes, including separators. */
+ int offset;
+ gboolean fqdn_seen, inc;
+ proto_item *exi;
+ proto_tree *ex_subtree;
+
+ /* Empty domain name
+ * [RFC 4704 4.2.] "A client MAY also leave the Domain Name field empty if it desires the server
+ * to provide a name." If the domain field is empty, dn_field_len = 0; however, if the field only
+ * contains a root label(0), it consumes one octet so in that case dn_field_len = 1.
+ * See [RFC 1034 3.1] for details.
+ */
+ if (dn_field_len == 0) {
+ proto_tree_add_uint_format(subtree, hf_empty_domain_name, tvb, dn_field_off-3, 2, dn_field_len,
+ "Empty domain field: the client requests the server to provide a domain name");
+ return;
+ }
+ offset = dn_field_off;
+ first_lab_off = dn_field_off;
+ final_field_off = dn_field_off + dn_field_len - 1;
+ remlen = dn_field_len;
+ num_labels = 0;
+ total_label_ascii_len = 0;
+ decoded_name_buf = wmem_strbuf_new(pinfo->pool, NULL);
+ fqdn_seen = FALSE;
+ inc = TRUE;
+
+ /* Decode one label of an FQDN or partial domain name per iteration. [RFC 1034 3.1] "labels are
+ * separated by dots ('.'). Since a complete domain name ends with the root label, this leads to
+ * a printed form which ends in a dot."
+ */
+ while (remlen) {
+ label_len = tvb_get_guint8(tvb, offset);
+ if (label_len > 63) {
+ /*
+ * Bits 7 and 8 of the label length octet are zero, so the max length of a label is 63
+ * octets. If greater, it is likely the first char of a non-DNS-encoded name.
+ */
+ exi = proto_tree_add_uint_format(subtree, hf_dhcpv6_non_dns_encoded_name, tvb,
+ offset, 1, label_len,
+ "Label Length: %u\n"
+ "This is not a DNS record encoded domain name. The value in the first octet of\n"
+ "a label is the length of the name that follows and must be 63 octets or less.\n"
+ "However, in this case it is %u which typically means the name is not DNS encoded.\n",
+ label_len, label_len);
+ ex_subtree = proto_item_add_subtree(exi, ett_clientfqdn_expert);
+
+ if (num_labels) {
+ proto_tree_add_string_format(ex_subtree, hf_dhcpv6_decoded_portion, tvb,
+ first_lab_off, total_label_ascii_len, decoded_name_buf->str,
+ "The decoded portion of this FQDN to this point is [%s]\n", decoded_name_buf->str);
+ }
+ proto_tree_add_expert(ex_subtree, pinfo, &ei_dhcpv6_non_dns_encoded_name, tvb, offset, 1);
+ return;
+ }
+
+ if(total_label_ascii_len == 0)
+ first_lab_off = offset;
+ offset++;
+ remlen--;
+
+ if (label_len > remlen) {
+ /*
+ * FQDN len exceeds domain field len.
+ */
+ col_append_str(pinfo->cinfo, COL_INFO, " [DOMAIN FIELD LEN EXCEEDED]");
+
+ exi = proto_tree_add_uint_format(subtree, hf_dhcpv6_domain_field_len_exceeded, tvb,
+ offset-1, 1, label_len,
+ "ERROR: The length of this name, %u, exceeds the remaining length, %d, in the\n"
+ "domain name field.\n", label_len, remlen);
+ ex_subtree = proto_item_add_subtree(exi, ett_clientfqdn_expert);
+
+ if (num_labels) {
+ proto_tree_add_string_format(ex_subtree, hf_dhcpv6_decoded_portion, tvb,
+ first_lab_off, total_label_ascii_len, decoded_name_buf->str,
+ "The successfully decoded portion of this FQDN: [%s]\n", decoded_name_buf->str);
+ }
+ proto_tree_add_expert(ex_subtree, pinfo, &ei_dhcpv6_domain_field_len_exceeded, tvb,
+ dn_field_off, dn_field_len);
+ return;
+ }
+
+ if (total_label_ascii_len + label_len + 2 > 255) {
+ /*
+ * RFC 1034 Section 3.1: "To simplify implementations, the total number of octets that
+ * represent a domain name (i.e., the sum of all label octets and label lengths) is
+ * limited to 255."
+ */
+ col_append_str(pinfo->cinfo, COL_INFO, " [FQDN > 255]");
+ /*
+ * Since label_len is valid (<=63 and the name has not been truncated (i.e., its length
+ * is <= remlen), display this oversized FQDN.
+ */
+ wmem_strbuf_append_c(decoded_name_buf, '.');
+ total_label_ascii_len++;
+ label_str = tvb_get_string_enc(pinfo->pool, tvb, offset, label_len, ENC_ASCII);
+ wmem_strbuf_append(decoded_name_buf, label_str);
+ offset += label_len;
+ total_label_ascii_len += label_len;
+ if (tvb_get_guint8(tvb, offset) == 0) {
+ wmem_strbuf_append_c(decoded_name_buf, '.');
+ total_label_ascii_len++;
+ offset++;
+ inc = FALSE;
+ }
+ exi = proto_tree_add_uint_format(subtree, hf_dhcpv6_encoded_fqdn_len_gt_255, tvb,
+ first_lab_off, total_label_ascii_len-1, total_label_ascii_len,
+ "FQDN: %s%s\n"
+ "ERROR: The total length of DNS-encoded names of this FQDN, %d, exceeds 255,\n"
+ "the maximum allowed.", decoded_name_buf->str, (inc ? "<incomplete>" : " "), total_label_ascii_len);
+ ex_subtree = proto_item_add_subtree(exi, ett_clientfqdn_expert);
+ proto_tree_add_expert(ex_subtree, pinfo, &ei_dhcpv6_encoded_fqdn_len_gt_255, tvb,
+ first_lab_off, total_label_ascii_len-1);
+ return;
+ }
+
+ if (label_len==0) {
+ wmem_strbuf_append_c(decoded_name_buf, '.');
+ total_label_ascii_len++;
+
+ if (num_labels == 0) {
+ /*
+ * This a standalone root label thus the client has request the resolver to return
+ * the IP address of root.
+ */
+ col_append_str(pinfo->cinfo, COL_INFO, " [ROOT-ONLY DOMAIN NAME]");
+ exi = proto_tree_add_string(subtree, hf_dhcpv6_root_only_domain_name, tvb,
+ offset-1, 1, "['.' (0)]");
+ ex_subtree = proto_item_add_subtree(exi, ett_clientfqdn_expert);
+ proto_tree_add_expert(ex_subtree, pinfo, &ei_dhcpv6_root_only_domain_name, tvb,
+ offset-1, 1);
+ return;
+ }
+ else if (num_labels == 1) {
+ /*
+ * TLDs consist of one DNS encoded label and a root label(0) (e.g., [com.] is
+ * encoded as [03 64 6F 6D 00]).
+ */
+ exi = proto_tree_add_string_format(subtree, hf_dhcpv6_tld, tvb, first_lab_off, total_label_ascii_len+1,
+ decoded_name_buf->str, "Top Level Domain name (TLD): %s", decoded_name_buf->str);
+ ex_subtree = proto_item_add_subtree(exi, ett_clientfqdn_expert);
+ proto_tree_add_expert(ex_subtree, pinfo, &ei_dhcpv6_tld_lookup, tvb, first_lab_off, total_label_ascii_len+1);
+
+ num_labels = 0;
+ total_label_ascii_len = 0;
+ fqdn_seen = TRUE;
+ continue; /* This was only a COMMENT/WARNING so continue */
+ }
+
+ /* This is a fully decoded FQDN. Add it to the tree with a trailing dot for root to
+ * indicate that the domain name is in fact an FQDN and not a multi-part partially
+ * qualified domain name.
+ */
+ proto_tree_add_string(subtree, hfindex, tvb, first_lab_off, total_label_ascii_len+1, decoded_name_buf->str);
+ num_labels = 0;
+ total_label_ascii_len = 0;
+ fqdn_seen = TRUE;
+ continue; /* Decode the next FQDN, if any */
+ }
+ /**************** End of label_len==0 (root) ****************/
+
+ /* If a DN's last offset equals final_field_off, this marks the end of a partial name. Due
+ * to the fact that they are root-terminated, only one partial name or 'multi-part partially
+ * qualified domain name' is permitted per option field; otherwise, the labels of a
+ * subsequent DN would be appended to it.
+ *
+ * If a client with a domain name suffix search list configured manually, via GPO, or
+ * OPTION_DOMAIN_LIST response, appends each of the (rooted) list entries and queries the
+ * DNS server for each. If a search list is unavailable, the client sends a partial name to
+ * the server which will use its own search list. According to RFC 1535 Pg 4, "where a '.'
+ * exists in a specified name it should be assumed to be a fully qualified domain name (FQDN)
+ * and SHOULD be tried as a rooted name first." Some client implementations, most notably MS
+ * Windows, do the opposite; the client issues several superfluous (silly-named) queries all
+ * of which fail, followed by a successful rooted name query. See RFCs 1034 3.1 and 4704 4.2
+ * for more info.
+ */
+ if (offset + label_len - 1 == final_field_off) {
+ label_str = tvb_get_string_enc(pinfo->pool, tvb, first_lab_off + 1, label_len, ENC_ASCII);
+ wmem_strbuf_append(decoded_name_buf, label_str);
+ total_label_ascii_len += label_len;
+ num_labels++;
+
+ if (fqdn_seen) {
+ /*
+ * An FQDN precedes this partial name. Partial names must be the only DN in the
+ * domain field.
+ */
+ col_append_str(pinfo->cinfo, COL_INFO, " [PROTOCOL VIOLATION]");
+
+ exi = proto_tree_add_string_format(subtree, hf_dhcpv6_partial_name_preceded_by_fqdn,
+ tvb, first_lab_off, label_len, decoded_name_buf->str,
+ "Partial name: %s\n"
+ "ERROR: A single or multi-part partial name must be the only name in "
+ "the domain field", decoded_name_buf->str);
+ ex_subtree = proto_item_add_subtree(exi, ett_clientfqdn_expert);
+ proto_tree_add_expert(ex_subtree, pinfo, &ei_dhcpv6_partial_name_preceded_by_fqdn,
+ tvb, first_lab_off, label_len);
+ return;
+ }
+
+ /* A conformant partial name
+ */
+ if (num_labels==1) {
+ proto_tree_add_string_format(subtree, hfindex, tvb, first_lab_off, total_label_ascii_len+1,
+ decoded_name_buf->str, "Partial domain name: %s", decoded_name_buf->str);
+ }
+ else {
+ proto_tree_add_string_format(subtree, hfindex, tvb, first_lab_off, total_label_ascii_len+1,
+ decoded_name_buf->str, "Multi-part partially qualified Domain Name: %s",
+ decoded_name_buf->str);
+ }
+ return;
+ }
+
+ /* Add this name it to the array. Prepend it with a dot unless it's the first name of the DN.
+ * Dots are only used to separate (delineate) the decoded names of a DN; however, an FQDN's
+ * trailing root label (0) is decoded as a dot. This is handled above.
+ */
+ if (num_labels) {
+ wmem_strbuf_append_c(decoded_name_buf, '.');
+ total_label_ascii_len++;
+ }
+ label_str = tvb_get_string_enc(pinfo->pool, tvb, offset, label_len, ENC_ASCII);
+ wmem_strbuf_append(decoded_name_buf, label_str);
+ offset += label_len;
+ remlen -= label_len;
+ total_label_ascii_len += label_len;
+ num_labels++;
+ }
+ /* End of while() loop */
+}
+
+
+static int
+dissect_packetcable_cccV6_option(proto_tree *v_tree, proto_item *v_item, packet_info *pinfo, tvbuff_t *tvb, int optoff,
+ int optend)
+{
+ int suboptoff = optoff;
+ guint16 subopt, subopt_len;
+ guint8 type;
+ proto_item *vti, *ti;
+ proto_tree *pkt_s_tree;
+ int i;
+
+ subopt = tvb_get_ntohs(tvb, optoff);
+ suboptoff += 2;
+
+ subopt_len = tvb_get_ntohs(tvb, suboptoff);
+ suboptoff += 2;
+
+ /* There must be at least five octets left to be a valid sub element */
+ if (optend <= 0) {
+ expert_add_info_format(pinfo, v_item, &ei_dhcpv6_no_suboption_len, "Sub element %d: no room left in option for suboption length", subopt);
+ return (suboptoff - optoff);
+ }
+
+ vti = proto_tree_add_item(v_tree, hf_packetcable_cccV6_suboption, tvb, optoff, 2, ENC_BIG_ENDIAN);
+ pkt_s_tree = proto_item_add_subtree(vti, ett_dhcpv6_pkt_option);
+
+ switch (subopt) {
+ case PKT_CCCV6_PRI_DSS:
+ if (subopt_len < 35) {
+ proto_tree_add_item(pkt_s_tree, hf_packetcable_cccV6_pri_dss, tvb, suboptoff, subopt_len, ENC_ASCII);
+ } else {
+ expert_add_info_format(pinfo, vti, &ei_dhcpv6_bogus_length, "Bogus length: %d", subopt_len);
+ }
+ suboptoff += subopt_len;
+ break;
+ case PKT_CCCV6_SEC_DSS:
+ if (subopt_len < 35) {
+ proto_tree_add_item(pkt_s_tree, hf_packetcable_cccV6_sec_dss, tvb, suboptoff, subopt_len, ENC_ASCII);
+ } else {
+ expert_add_info_format(pinfo, vti, &ei_dhcpv6_bogus_length, "Bogus length: %d", subopt_len);
+ }
+ suboptoff += subopt_len;
+ break;
+ case PKT_CCCV6_IETF_PROV_SRV:
+ proto_tree_add_item(pkt_s_tree, hf_packetcable_cccV6_prov_srv_type, tvb, suboptoff, 1, ENC_BIG_ENDIAN);
+ type = tvb_get_guint8(tvb, suboptoff);
+
+ /** Type 0 is FQDN **/
+ if (type == 0) {
+ dhcpv6_domain(pkt_s_tree, vti, pinfo, hf_packetcable_cccV6_prov_srv_fqdn, tvb, suboptoff+1, subopt_len-1);
+
+ /** Type 1 is IPv6 **/
+ } else if (type == 1) {
+ if ((subopt_len % 16) == 0) {
+ for (i = 0; i < subopt_len/16; i++) {
+ proto_tree_add_item(pkt_s_tree, hf_packetcable_cccV6_prov_srv_ipv6, tvb, suboptoff+1, 4, ENC_NA);
+ suboptoff += 16;
+ }
+ }
+ } else {
+ expert_add_info_format(pinfo, vti, &ei_dhcpv6_invalid_type, "Invalid type: %u (%u byte%s)",
+ type, subopt_len, plurality(subopt_len, "", "s"));
+ }
+ suboptoff += subopt_len;
+ break;
+ case PKT_CCCV6_IETF_AS_KRB:
+ if (subopt_len == 12) {
+ proto_tree_add_item(pkt_s_tree, hf_packetcable_cccV6_as_krb_nominal_timeout, tvb, suboptoff, 4, ENC_BIG_ENDIAN);
+ proto_tree_add_item(pkt_s_tree, hf_packetcable_cccV6_as_krb_max_timeout, tvb, suboptoff+4, 4, ENC_BIG_ENDIAN);
+ proto_tree_add_item(pkt_s_tree, hf_packetcable_cccV6_as_krb_max_retry_count, tvb, suboptoff+8, 4, ENC_BIG_ENDIAN);
+ } else {
+ proto_item_append_text(vti, "Bogus length: %d", subopt_len);
+ }
+ suboptoff += subopt_len;
+ break;
+ case PKT_CCCV6_IETF_AP_KRB:
+ if (subopt_len == 12) {
+ proto_tree_add_item(pkt_s_tree, hf_packetcable_cccV6_ap_krb_nominal_timeout, tvb, suboptoff, 4, ENC_BIG_ENDIAN);
+ proto_tree_add_item(pkt_s_tree, hf_packetcable_cccV6_ap_krb_max_timeout, tvb, suboptoff+4, 4, ENC_BIG_ENDIAN);
+ proto_tree_add_item(pkt_s_tree, hf_packetcable_cccV6_ap_krb_max_retry_count, tvb, suboptoff+8, 4, ENC_BIG_ENDIAN);
+ } else {
+ proto_item_append_text(vti, "Bogus length: %d", subopt_len);
+ }
+ suboptoff += subopt_len;
+ break;
+ case PKT_CCCV6_KRB_REALM:
+ if (subopt_len > 0) {
+ dhcpv6_domain(pkt_s_tree, vti, pinfo, hf_packetcable_cccV6_krb_realm, tvb, suboptoff, subopt_len);
+ }
+ suboptoff += subopt_len;
+ break;
+ case PKT_CCCV6_TGT_FLAG:
+ if (subopt_len == 1) {
+ proto_tree_add_item(pkt_s_tree, hf_packetcable_cccV6_tgt_flag, tvb, suboptoff, 1, ENC_BIG_ENDIAN);
+ proto_tree_add_item(pkt_s_tree, hf_packetcable_cccV6_tgt_flag_fetch, tvb, suboptoff, 1, ENC_BIG_ENDIAN);
+ }
+ else {
+ expert_add_info_format(pinfo, vti, &ei_dhcpv6_bogus_length, "Bogus length: %d", subopt_len);
+ }
+ suboptoff += subopt_len;
+ break;
+ case PKT_CCCV6_PROV_TIMER:
+ if (subopt_len == 1) {
+ ti = proto_tree_add_item(pkt_s_tree, hf_packetcable_cccV6_prov_timer, tvb, suboptoff, 1, ENC_BIG_ENDIAN);
+ if (tvb_get_guint8(tvb, suboptoff) > 30)
+ expert_add_info(pinfo, ti, &ei_dhcpv6_invalid_time_value);
+ }
+ else {
+ expert_add_info_format(pinfo, vti, &ei_dhcpv6_bogus_length, "Bogus length: %d", subopt_len);
+ }
+ suboptoff += subopt_len;
+ break;
+ case PKT_CCCV6_IETF_SEC_TKT:
+ proto_tree_add_item(pkt_s_tree, hf_packetcable_cccV6_sec_tcm, tvb, suboptoff, 2, ENC_BIG_ENDIAN);
+ if (subopt_len == 2) {
+ proto_tree_add_item(pkt_s_tree, hf_packetcable_cccV6_sec_tcm_provisioning_server, tvb, suboptoff, 2, ENC_BIG_ENDIAN);
+ proto_tree_add_item(pkt_s_tree, hf_packetcable_cccV6_sec_tcm_call_manager_server, tvb, suboptoff, 2, ENC_BIG_ENDIAN);
+ } else {
+ expert_add_info_format(pinfo, vti, &ei_dhcpv6_bogus_length, "Bogus length: %d", subopt_len);
+ }
+ suboptoff += subopt_len;
+ break;
+ default:
+ suboptoff += subopt_len;
+ break;
+ }
+ /** Return the number of bytes processed **/
+ return (suboptoff - optoff);
+}
+
+/* ToDo: review latest CL docs for updates */
+static int
+dissect_cablelabs_specific_opts(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
+{
+ guint type,
+ sub_value;
+ proto_item *v_item;
+ proto_item *ti;
+ proto_item *ti2;
+ proto_tree *subtree;
+ proto_tree *subtree2;
+ int tlv5_cap_index,
+ tlv5_counter,
+ tlv5_cap_len;
+ int off = 0,
+ len,
+ sub_off, /** The offset for the sub-option */
+ i,
+ tlv_len, /* holds the number of elements in the tlv */
+ field_len, /* holds the length of one occurrence of a field */
+ opt_len, /* holds the length of the suboption */
+ field_value;
+ gchar *device_type = NULL;
+
+ len = tvb_reported_length(tvb);
+
+ /* Enterprise */
+ v_item = proto_tree_add_item(tree, hf_vendoropts_enterprise, tvb, off, 4, ENC_BIG_ENDIAN);
+ off += 4;
+ len -= 4;
+
+ if (len > 4) {
+ while (off < len) {
+
+ /* Type */
+ type = tvb_get_ntohs(tvb, off);
+ ti = proto_tree_add_item(tree, hf_cablelabs_opts, tvb, off, 2, ENC_BIG_ENDIAN);
+ /* Length */
+ tlv_len = tvb_get_ntohs(tvb, off+2);
+
+ /* Values */
+ sub_off = off + 4;
+
+ switch (type) {
+ /* String types */
+ case CL_OPTION_DEVICE_TYPE:
+ opt_len = tlv_len;
+ field_len = tlv_len;
+
+ device_type = tvb_get_string_enc(pinfo->pool, tvb, sub_off, field_len, ENC_ASCII);
+
+ if ((device_type == NULL) || (strlen(device_type) == 0)) {
+ proto_item_append_text(ti, "Packet does not contain Device Type.");
+ } else {
+ proto_item_append_text(ti, "\"%s\"", device_type);
+ }
+ break;
+ case CL_OPTION_DEVICE_SERIAL_NUMBER:
+ case CL_OPTION_HARDWARE_VERSION_NUMBER:
+ case CL_OPTION_SOFTWARE_VERSION_NUMBER:
+ case CL_OPTION_BOOT_ROM_VERSION:
+ case CL_OPTION_MODEL_NUMBER:
+ case CL_OPTION_VENDOR_NAME:
+ case CL_OPTION_CONFIG_FILE_NAME:
+ case CL_OPTION_EMBEDDED_COMPONENT_LIST:
+ opt_len = tlv_len;
+ field_len = tlv_len;
+ proto_item_append_text(ti, "\"%s\"",
+ tvb_format_stringzpad(pinfo->pool, tvb, sub_off, field_len));
+ break;
+ case CL_OPTION_VENDOR_OUI:
+ /* CableLabs specs treat 17.8 inconsistently
+ * as either binary (3b) or string (6b) */
+ opt_len = tlv_len;
+ if (tlv_len == 3) {
+ proto_item_append_text(ti, "%s",
+ tvb_bytes_to_str_punct(pinfo->pool, tvb, sub_off, 3, ':'));
+ } else if (tlv_len == 6) {
+ proto_item_append_text(ti, "\"%s\"", tvb_format_stringzpad(pinfo->pool, tvb, sub_off, tlv_len));
+ } else {
+ expert_add_info_format(pinfo, ti, &ei_dhcpv6_bogus_length, "Suboption %d: suboption length isn't 3 or 6", type);
+ }
+ break;
+ case CL_OPTION_ORO:
+ field_len = 2;
+ opt_len = tlv_len;
+ if (opt_len > 0) {
+ for (i = 0; i < tlv_len; i += field_len) {
+ sub_value = tvb_get_ntohs(tvb, sub_off);
+ proto_item_append_text(ti, " %d", sub_value);
+ sub_off += field_len;
+ }
+ }
+ break;
+ /* List of IPv6 Address */
+ case CL_OPTION_TFTP_SERVERS:
+ case CL_OPTION_SYSLOG_SERVERS:
+ case CL_OPTION_RFC868_SERVERS:
+ case CL_OPTION_CCAP_CORES:
+ field_len = 16;
+ opt_len = tlv_len;
+ subtree = proto_item_add_subtree(ti, ett_dhcpv6_vendor_option);
+
+ if ((tlv_len % field_len) == 0) {
+ for (i = 0; i < tlv_len/field_len; i++) {
+ ti = proto_tree_add_item(subtree, hf_cablelabs_ipv6_server, tvb, sub_off, 16, ENC_NA);
+ proto_item_prepend_text(ti, " %d ", i + 1);
+ sub_off += field_len;
+ }
+ }
+ break;
+ case CL_OPTION_DEVICE_ID:
+ opt_len = tlv_len;
+ field_len = tlv_len;
+ if (tlv_len != 6) {
+ expert_add_info_format(pinfo, ti, &ei_dhcpv6_bogus_length, "Bogus length: %d", tlv_len);
+ }
+ else {
+ proto_item_append_text(ti, "%s",
+ tvb_bytes_to_str(pinfo->pool, tvb, sub_off, field_len));
+ }
+ break;
+ case CL_OPTION_TLV5:
+ /* ToDo: review latest CL docs for updates */
+ opt_len = tlv_len;
+
+
+ tlv5_counter = 0;
+ tlv5_cap_index = sub_off;
+
+ subtree = proto_item_add_subtree(ti, ett_dhcpv6_tlv5_type);
+
+ while (tlv5_counter < tlv_len) {
+ /*Device type is not mandatory for CM (see par 10.2.5.2.3 "Obtain IPv6 Management Address and Other Configuration Parameters" in CM-SP-MULPIv3.1-114-180130*/
+ if (device_type == NULL || !g_ascii_strncasecmp(device_type, "ecm", 3)) {
+ ti2 = proto_tree_add_item(subtree, hf_modem_capabilities_encoding_type, tvb, tlv5_cap_index, 1, ENC_BIG_ENDIAN);
+ } else if (!g_ascii_strncasecmp(device_type, "edva", 3)) {
+ ti2 = proto_tree_add_item(subtree, hf_eue_capabilities_encoding_type, tvb, tlv5_cap_index, 1, ENC_BIG_ENDIAN);
+ } else {
+ break;
+ }
+
+ tlv5_cap_index++;
+ tlv5_counter++;
+
+ /* Why make another subtree (subtree2) below?
+ The addition of a subtree is not needed for the display.
+ However, when parsing the PDML, each Type 'contains' it's Length and Value.
+ */
+ subtree2 = proto_item_add_subtree(ti2, ett_dhcpv6_tlv5_type);
+
+ proto_tree_add_item(subtree2, hf_capabilities_encoding_length, tvb, tlv5_cap_index, 1, ENC_BIG_ENDIAN);
+ tlv5_cap_len = (guint8) tvb_get_guint8(tvb, tlv5_cap_index);
+
+ tlv5_cap_index++;
+ tlv5_counter += tlv5_cap_len;
+
+ /* In cases where the TLV length is greater than 2, the value fields should be displayed
+ according to the encoding of the values as described in the CL-SP-CANN-DHCP-Reg specification.
+ Below, these values are simply displayed as hex.
+ */
+ if (tlv5_cap_len > 2) {
+ proto_tree_add_item(subtree2, hf_capabilities_encoding_bytes, tvb, tlv5_cap_index, tlv5_cap_len, ENC_NA);
+ } else {
+ proto_tree_add_item(subtree2, hf_capabilities_encoding_number, tvb, tlv5_cap_index, tlv5_cap_len, ENC_BIG_ENDIAN);
+ }
+
+ tlv5_cap_index += tlv5_cap_len;
+ tlv5_counter++;
+ }
+ break;
+ case CL_OPTION_TIME_OFFSET:
+ opt_len = tlv_len;
+ proto_item_append_text(ti, "%d", tvb_get_ntohl(tvb, sub_off));
+ break;
+ case CL_OPTION_IP_PREF:
+ opt_len = tlv_len;
+ field_value = tvb_get_guint8(tvb, sub_off);
+ if (field_value == 1) {
+ proto_item_append_text(ti, "%s", "IPv4");
+ } else if (field_value == 2) {
+ proto_item_append_text(ti, "%s", "IPv6");
+ } else if (field_value == 6) {
+ proto_item_append_text(ti, "%s", "Dual Stack");
+ } else {
+ proto_item_append_text(ti, "%s%d", "Invalid IP Preference value ", field_value);
+ }
+ break;
+ case CL_OPTION_DOCS_CMTS_CAP:
+ opt_len = tlv_len;
+ field_len = 0;
+ subtree = proto_item_add_subtree(ti, ett_dhcpv6_vendor_option);
+
+ /* tlv_len contains the total length of all the TLVs for this
+ option */
+ if (tlv_len > 0) {
+ for (i = 0; field_len < opt_len; i++) {
+ int tagLen = 0;
+ int tag = 0;
+ tag = tvb_get_guint8(tvb, sub_off);
+ sub_off++;
+ tagLen = tvb_get_guint8(tvb, sub_off);
+ sub_off++;
+ if ((tag == CL_OPTION_DOCS_CMTS_TLV_VERS_NUM) && (tagLen == 2)) {
+ proto_tree_add_item(subtree, hf_cablelabs_docsis_version_number, tvb, sub_off,
+ 2, ENC_BIG_ENDIAN);
+ sub_off += 2;
+ }
+ else if ((tag == CL_OPTION_DOCS_DPOE_TLV_VERS_NUM) && (tagLen == 2)) {
+ proto_tree_add_item(subtree, hf_cablelabs_dpoe_server_version_number, tvb, sub_off,
+ 2, ENC_BIG_ENDIAN);
+ sub_off += 2;
+ }
+ else
+ sub_off += tagLen;
+
+ field_len += tagLen + 2;
+ }
+ }
+ else
+ proto_item_append_text(ti, " (empty)");
+ break;
+ case CL_CM_MAC_ADDR:
+ opt_len = tlv_len;
+ if (tlv_len != 6) {
+ expert_add_info_format(pinfo, ti, &ei_dhcpv6_bogus_length, "Bogus length: %d", tlv_len);
+ }
+ else {
+ /*proto_item_append_text(ti, "CM MAC Address Option = %s", */
+ proto_item_append_text(ti, "%s", tvb_bytes_to_str_punct(pinfo->pool, tvb, sub_off, opt_len, ':'));
+ /* tvb_bytes_to_str(pinfo->pool, tvb, sub_off, opt_len)); */
+ }
+ break;
+ case CL_EROUTER_CONTAINER_OPTION:
+ opt_len = tlv_len;
+ proto_item_append_text(ti, " %s (len=%d)",
+ tvb_bytes_to_str(pinfo->pool, tvb, sub_off, opt_len), tlv_len);
+ break;
+ case CL_OPTION_CCC:
+ opt_len = tlv_len;
+ field_len = 0;
+ subtree = proto_item_add_subtree(ti, ett_dhcpv6_vendor_option);
+ proto_item_append_text(ti, " (%d bytes)", opt_len);
+ while (field_len < opt_len) {
+ sub_value = dissect_packetcable_ccc_option(subtree, ti, pinfo, tvb,
+ sub_off, (opt_len - field_len));
+ sub_off += sub_value;
+ field_len += sub_value;
+ }
+ break;
+ case CL_OPTION_CCCV6:
+ opt_len = tlv_len;
+ field_len = 0;
+ subtree = proto_item_add_subtree(ti, ett_dhcpv6_vendor_option);
+ proto_item_append_text(ti, " (%d bytes)", opt_len);
+ while (field_len < opt_len) {
+ sub_value = dissect_packetcable_cccV6_option(subtree, ti, pinfo, tvb,
+ sub_off, (opt_len - field_len));
+ sub_off += sub_value;
+ field_len += sub_value;
+ }
+ break;
+ case CL_OPTION_CORRELATION_ID:
+ opt_len = tlv_len;
+ if (tlv_len != 4) {
+ proto_item_append_text(ti, "Bogus value length=%d",
+ tlv_len);
+ }
+ else {
+ proto_item_append_text(ti, "%u", tvb_get_ntohl(tvb, sub_off));
+ }
+ break;
+ default:
+ opt_len = tlv_len;
+ break;
+ }
+ off += (opt_len + 4);
+
+ }
+ }
+ else {
+ expert_add_info_format(pinfo, v_item, &ei_dhcpv6_bogus_length, "Bogus length: %d", len);
+ }
+ return tvb_reported_length(tvb);
+}
+
+static void
+cablelabs_fmt_docsis_version( gchar *result, guint32 revision )
+{
+ snprintf( result, ITEM_LABEL_LENGTH, "%d.%02d", (guint8)(( revision & 0xFF00 ) >> 8), (guint8)(revision & 0xFF) );
+}
+
+
+static void
+cablelabs_fmt_dpoe_server_version( gchar *result, guint32 revision )
+{
+ snprintf( result, ITEM_LABEL_LENGTH, "%d.%02d", (guint8)(( revision & 0xFF00 ) >> 8), (guint8)(revision & 0xFF) );
+}
+
+
+/* Returns the number of bytes consumed by this option. */
+static int
+dhcpv6_option(tvbuff_t *tvb, packet_info *pinfo, proto_tree *bp_tree,
+ int off, int eoff, gboolean *at_end, int protocol, hopcount_info hpi, guint8 msgtype)
+{
+ guint16 opttype, hwtype, subopt_type;
+ int temp_optlen, optlen, subopt_len; /* 16-bit values that need 16-bit rollover protection */
+ proto_item *ti = NULL, *option_item;
+ proto_tree *subtree;
+ proto_tree *subtree_2;
+ int i;
+ guint16 duidtype;
+ guint32 enterprise_no, temp_guint32;
+ guint algorithm;
+
+ /* option type and length must be present */
+ if ((eoff - off) < 4) {
+ *at_end = TRUE;
+ return 0;
+ }
+
+ opttype = tvb_get_ntohs(tvb, off);
+ optlen = tvb_get_ntohs(tvb, off + 2);
+
+ /* all option data must be present */
+ if ((eoff - off) < (4 + optlen)) {
+ *at_end = TRUE;
+ return 0;
+ }
+
+ /* Replace "Text item" option header with a filterable field which in turn eliminates the need
+ * for the "Value:" raw data field. */
+ option_item = proto_tree_add_string_format(bp_tree, hf_option_type_str, tvb, off, 4 + optlen,
+ val_to_str_ext(opttype, &opttype_vals_ext, "DHCP option %u"),
+ "%s", val_to_str_ext(opttype, &opttype_vals_ext, "DHCP option %u"));
+
+ subtree = proto_item_add_subtree(option_item, ett_dhcpv6_option);
+
+ proto_tree_add_item(subtree, hf_option_type_num, tvb, off, 2, ENC_BIG_ENDIAN);
+ proto_tree_add_item(subtree, hf_option_length, tvb, off + 2, 2, ENC_BIG_ENDIAN);
+ off += 4;
+
+ switch (opttype) {
+ case OPTION_CLIENTID:
+ if (optlen > 0) {
+ col_append_fstr(pinfo->cinfo, COL_INFO, "CID: %s ", tvb_bytes_to_str(pinfo->pool, tvb, off, optlen));
+ }
+ /* Fall through */
+ case OPTION_SERVERID:
+ case OPTION_RELAYID:
+ if (optlen < 2) {
+ expert_add_info_format(pinfo, option_item, &ei_dhcpv6_malformed_option, "DUID: malformed option");
+ break;
+ }
+ proto_tree_add_item(subtree, hf_duid_bytes, tvb, off, optlen, ENC_NA);
+ duidtype = tvb_get_ntohs(tvb, off);
+ proto_tree_add_item(subtree, hf_duid_type, tvb, off, 2, ENC_BIG_ENDIAN);
+
+ switch (duidtype) {
+ case DUID_LLT:
+ {
+ nstime_t llt_time;
+
+ if (optlen < 8) {
+ expert_add_info_format(pinfo, option_item, &ei_dhcpv6_malformed_option, "DUID: malformed option");
+ break;
+ }
+ proto_tree_add_item(subtree, hf_duidllt_hwtype, tvb, off + 2, 2, ENC_BIG_ENDIAN);
+
+ /* Packet specifies seconds since Jan 1 2000, so add 946684800U (30 years) to get back to epoch */
+ llt_time.secs = tvb_get_ntohl(tvb, off + 4) + 946684800U;
+ llt_time.nsecs = 0;
+
+ proto_tree_add_time(subtree, hf_duidllt_time, tvb, off + 4, 4, &llt_time);
+ if (optlen > 8) {
+ hwtype = tvb_get_ntohs(tvb, off + 2);
+ proto_tree_add_string(subtree, hf_duidllt_link_layer_addr, tvb, off + 8,
+ optlen - 8, tvb_arphrdaddr_to_str(pinfo->pool, tvb, off+8, optlen-8, hwtype));
+ if(DHCPV6_HW_IS_ETHER(hwtype, optlen-8)) {
+ proto_tree_add_item(subtree, hf_duidllt_link_layer_addr_ether, tvb, off+8, optlen-8, ENC_NA);
+ }
+ }
+ }
+ break;
+ case DUID_EN:
+ if (optlen < 6) {
+ expert_add_info_format(pinfo, option_item, &ei_dhcpv6_malformed_option, "DUID: malformed option");
+ break;
+ }
+ proto_tree_add_item(subtree, hf_duiden_enterprise, tvb, off + 2, 4, ENC_BIG_ENDIAN);
+ if (optlen > 6) {
+ proto_tree_add_item(subtree, hf_duiden_identifier, tvb, off + 6, optlen - 6, ENC_NA);
+ }
+ break;
+ case DUID_LL:
+ if (optlen < 4) {
+ expert_add_info_format(pinfo, option_item, &ei_dhcpv6_malformed_option, "DUID: malformed option");
+ break;
+ }
+ proto_tree_add_item(subtree, hf_duidll_hwtype, tvb, off + 2, 2, ENC_BIG_ENDIAN);
+ if (optlen > 4) {
+ hwtype = tvb_get_ntohs(tvb, off + 2);
+ proto_tree_add_string(subtree, hf_duidll_link_layer_addr, tvb, off + 4,
+ optlen - 4, tvb_arphrdaddr_to_str(pinfo->pool, tvb, off+4, optlen-4, hwtype));
+ if(DHCPV6_HW_IS_ETHER(hwtype, optlen-4)) {
+ proto_tree_add_item(subtree, hf_duidll_link_layer_addr_ether, tvb, off+4, optlen-4, ENC_NA);
+ }
+ }
+ break;
+ case DUID_UUID:
+ if (optlen != 18) {
+ expert_add_info_format(pinfo, option_item, &ei_dhcpv6_malformed_option, "DUID: malformed option");
+ break;
+ }
+ proto_tree_add_item(subtree, hf_duiduuid_bytes, tvb, off + 2, 16, ENC_NA);
+ break;
+ }
+ break;
+ case OPTION_USER_CLASS:
+ {
+ temp_optlen = 0;
+ while (optlen > temp_optlen) {
+ subopt_len = tvb_get_ntohs(tvb, off + temp_optlen);
+ if (subopt_len > optlen - temp_optlen) {
+ expert_add_info_format(pinfo, option_item, &ei_dhcpv6_malformed_option, "User Class: suboption too long");
+ break;
+ }
+ subtree_2 = proto_tree_add_subtree(subtree, tvb, off+temp_optlen, subopt_len, ett_dhcpv6_userclass_option, &ti, "User Class suboption");
+ proto_tree_add_item(subtree_2, hf_option_userclass_length, tvb, off + temp_optlen, 2, ENC_BIG_ENDIAN);
+ proto_tree_add_item(subtree_2, hf_option_userclass_opaque_data, tvb, off + temp_optlen + 2, subopt_len, ENC_NA);
+
+ temp_optlen += subopt_len + 2;
+ }
+ break;
+ }
+ case OPTION_NTP_SERVER:
+ if (optlen < 4) {
+ expert_add_info_format(pinfo, option_item, &ei_dhcpv6_malformed_option, "NTP Server: malformed option");
+ break;
+ }
+ temp_optlen = 0;
+ while (optlen > temp_optlen) {
+ subopt_type = tvb_get_ntohs(tvb, off + temp_optlen);
+ subopt_len = tvb_get_ntohs(tvb, off + 2 + temp_optlen);
+ if (subopt_len > optlen - temp_optlen) {
+ expert_add_info_format(pinfo, option_item, &ei_dhcpv6_malformed_option, "NTP Server: suboption too long");
+ break;
+ }
+ subtree_2 = proto_tree_add_subtree(subtree, tvb, off+temp_optlen, 4 + subopt_len, ett_dhcpv6_netserver_option, &ti,
+ val_to_str(subopt_type, ntp_server_opttype_vals, "NTP Server suboption %u"));
+ proto_tree_add_item(subtree_2, hf_option_ntpserver_type, tvb, off + temp_optlen, 2, ENC_BIG_ENDIAN);
+ proto_tree_add_item(subtree_2, hf_option_ntpserver_length, tvb, off + temp_optlen + 2, 2, ENC_BIG_ENDIAN);
+ temp_optlen += 4;
+ switch (subopt_type) {
+ case NTP_SUBOPTION_SRV_ADDR:
+ proto_tree_add_item(subtree_2, hf_option_ntpserver_addr, tvb, off + temp_optlen, 16, ENC_NA);
+ break;
+ case NTP_SUBOPTION_MC_ADDR:
+ proto_tree_add_item(subtree_2, hf_option_ntpserver_mc_addr, tvb, off + temp_optlen, 16, ENC_NA);
+ break;
+ case NTP_SUBOPTION_SRV_FQDN:
+ /* RFC 5906: section 4.3: "Internationalized domain names are not allowed ..." */
+ dhcpv6_domain(subtree_2, ti, pinfo, hf_option_ntpserver_fqdn, tvb, off + temp_optlen, subopt_len);
+ break;
+ }
+
+ temp_optlen += subopt_len;
+ }
+ break;
+ case OPTION_S46_RULE:
+ {
+ guint8 ipv4_pref_len, ipv6_pref_len;
+ int ipv6_pref_len_bytes;
+
+ if (optlen < 8) {
+ expert_add_info_format(pinfo, option_item, &ei_dhcpv6_malformed_option, "S46_RULE: malformed option");
+ break;
+ }
+
+ /* 0 1 2 3 4 5 6 7
+ * +-+-+-+-+-+-+-+-+
+ * |Reserved |F|
+ * +-+-+-+-+-+-+-+-+
+ */
+ proto_tree_add_bitmask(subtree, tvb, off, hf_option_s46_rule_flags, ett_dhcpv6_s46_rule_flags, dhcpv6_s46_rule_flags_fields, ENC_BIG_ENDIAN);
+ proto_tree_add_item(subtree, hf_option_s46_rule_ea_len, tvb, off + 1, 1, ENC_BIG_ENDIAN);
+ proto_tree_add_item(subtree, hf_option_s46_rule_ipv4_pref_len, tvb, off + 2, 1, ENC_BIG_ENDIAN);
+ ipv4_pref_len = tvb_get_guint8(tvb, off + 2);
+
+ if (ipv4_pref_len > 32) {
+ expert_add_info_format(pinfo, option_item, &ei_dhcpv6_malformed_option, "S46_RULE: malformed option");
+ break;
+ }
+
+ proto_tree_add_item(subtree, hf_option_s46_rule_ipv4_prefix, tvb, off + 3, 4, ENC_NA);
+ proto_tree_add_item(subtree, hf_option_s46_rule_ipv6_pref_len, tvb, off + 7, 1, ENC_BIG_ENDIAN);
+ ipv6_pref_len = tvb_get_guint8(tvb, off + 7);
+
+ if (ipv6_pref_len > 128) {
+ expert_add_info_format(pinfo, option_item, &ei_dhcpv6_malformed_option, "S46_RULE: malformed option");
+ break;
+ }
+
+ ipv6_pref_len_bytes =
+ dissect_dhcpv6_s46_ipv6_prefix(tvb, hf_option_s46_rule_ipv6_prefix, off + 8, ipv6_pref_len, subtree);
+
+ temp_optlen = 8 + ipv6_pref_len_bytes;
+ while ((optlen - temp_optlen) > 0) {
+ temp_optlen += dhcpv6_option(tvb, pinfo, subtree,
+ off+temp_optlen, off + optlen, at_end, protocol, hpi, msgtype);
+ if (*at_end) {
+ /* Bad option - just skip to the end */
+ temp_optlen = optlen;
+ }
+ }
+ }
+ break;
+ case OPTION_S46_BR:
+ if (optlen != 16) {
+ expert_add_info_format(pinfo, option_item, &ei_dhcpv6_malformed_option, "S46_BR: malformed option");
+ break;
+ }
+
+ proto_tree_add_item(subtree, hf_option_s46_br_address, tvb, off, 16, ENC_NA);
+ break;
+ case OPTION_S46_DMR:
+ {
+ guint8 dmr_pref_len;
+
+ if (optlen < 1 || optlen > 17) {
+ expert_add_info_format(pinfo, option_item, &ei_dhcpv6_malformed_option, "S46_DMR: malformed option");
+ break;
+ }
+
+ proto_tree_add_item(subtree, hf_option_s46_dmr_pref_len, tvb, off, 1, ENC_BIG_ENDIAN);
+ dmr_pref_len = tvb_get_guint8(tvb, off);
+
+ if (dmr_pref_len > 128) {
+ expert_add_info_format(pinfo, option_item, &ei_dhcpv6_malformed_option, "S46_DMR: malformed option");
+ break;
+ }
+
+ dissect_dhcpv6_s46_ipv6_prefix(tvb, hf_option_s46_dmr_prefix, off + 1, dmr_pref_len, subtree);
+ }
+ break;
+ case OPTION_S46_V4V6BIND:
+ {
+ guint8 ipv6_pref_len;
+ int ipv6_pref_len_bytes;
+
+ if (optlen < 5) {
+ expert_add_info_format(pinfo, option_item, &ei_dhcpv6_malformed_option, "S46_V4V6BIND: malformed option");
+ break;
+ }
+
+ proto_tree_add_item(subtree, hf_option_s46_v4v6bind_ipv4_address, tvb, off, 4, ENC_NA);
+ proto_tree_add_item(subtree, hf_option_s46_v4v6bind_ipv6_pref_len, tvb, off + 4, 1, ENC_BIG_ENDIAN);
+ ipv6_pref_len = tvb_get_guint8(tvb, off + 4);
+
+ if (ipv6_pref_len > 128) {
+ expert_add_info_format(pinfo, option_item, &ei_dhcpv6_malformed_option, "S46_V4V6BIND: malformed option");
+ break;
+ }
+
+ ipv6_pref_len_bytes =
+ dissect_dhcpv6_s46_ipv6_prefix(tvb, hf_option_s46_v4v6bind_ipv6_prefix, off + 5, ipv6_pref_len, subtree);
+
+ temp_optlen = 5 + ipv6_pref_len_bytes;
+ while ((optlen - temp_optlen) > 0) {
+ temp_optlen += dhcpv6_option(tvb, pinfo, subtree,
+ off+temp_optlen, off + optlen, at_end, protocol, hpi, msgtype);
+ if (*at_end) {
+ /* Bad option - just skip to the end */
+ temp_optlen = optlen;
+ }
+ }
+ }
+ break;
+ case OPTION_S46_PORTPARAMS:
+ {
+ guint16 psid;
+ guint8 offset, psid_len;
+
+ if (optlen != 4) {
+ expert_add_info_format(pinfo, option_item, &ei_dhcpv6_malformed_option, "S46_PORTPARAMS: malformed option");
+ break;
+ }
+
+ proto_tree_add_item(subtree, hf_option_s46_portparam_offset, tvb, off, 1, ENC_BIG_ENDIAN);
+ offset = tvb_get_guint8(tvb, off);
+
+ if (offset > 15) {
+ expert_add_info_format(pinfo, option_item, &ei_dhcpv6_malformed_option, "S46_PORTPARAMS: malformed option");
+ break;
+ }
+
+ proto_tree_add_item(subtree, hf_option_s46_portparam_psid_len, tvb, off + 1, 1, ENC_BIG_ENDIAN);
+ psid_len = tvb_get_guint8(tvb, off + 1);
+
+ if (psid_len > 16) {
+ expert_add_info_format(pinfo, option_item, &ei_dhcpv6_malformed_option, "S46_PORTPARAMS: malformed option");
+ break;
+ }
+
+ psid = tvb_get_ntohs(tvb, off + 2);
+ proto_tree_add_uint(subtree, hf_option_s46_portparam_psid, tvb, off + 2, 2, psid >> (16 - psid_len));
+ }
+ break;
+ case OPTION_S46_CONT_MAPE:
+ case OPTION_S46_CONT_MAPT:
+ case OPTION_S46_CONT_LW:
+ temp_optlen = 0;
+ while ((optlen - temp_optlen) > 0) {
+ temp_optlen += dhcpv6_option(tvb, pinfo, subtree,
+ off+temp_optlen, off + optlen, at_end, protocol, hpi, msgtype);
+ if (*at_end) {
+ /* Bad option - just skip to the end */
+ temp_optlen = optlen;
+ }
+ }
+ break;
+ case OPTION_IA_NA:
+ case OPTION_IA_PD:
+ if (optlen < 12) {
+ if (opttype == OPTION_IA_NA)
+ expert_add_info_format(pinfo, option_item, &ei_dhcpv6_malformed_option, "IA_NA: malformed option");
+ else
+ expert_add_info_format(pinfo, option_item, &ei_dhcpv6_malformed_option, "IA_PD: malformed option");
+ break;
+ }
+ proto_tree_add_string(subtree, hf_iaid, tvb, off,
+ 4, tvb_arphrdaddr_to_str(pinfo->pool, tvb, off, 4, opttype)); /* XXX: IAID is opaque ? review ... */
+ if (tvb_get_ntohl(tvb, off+4) == DHCPV6_LEASEDURATION_INFINITY) {
+ proto_tree_add_uint_format_value(subtree, hf_iaid_t1, tvb, off+4,
+ 4, DHCPV6_LEASEDURATION_INFINITY, "infinity");
+ } else {
+ proto_tree_add_item(subtree, hf_iaid_t1, tvb, off+4,
+ 4, ENC_BIG_ENDIAN);
+ }
+
+ if (tvb_get_ntohl(tvb, off+8) == DHCPV6_LEASEDURATION_INFINITY) {
+ proto_tree_add_uint_format_value(subtree, hf_iaid_t2, tvb, off+8,
+ 4, DHCPV6_LEASEDURATION_INFINITY, "infinity");
+ } else {
+ proto_tree_add_item(subtree, hf_iaid_t2, tvb, off+8,
+ 4, ENC_BIG_ENDIAN);
+ }
+
+ temp_optlen = 12;
+ while ((optlen - temp_optlen) > 0) {
+ temp_optlen += dhcpv6_option(tvb, pinfo, subtree,
+ off+temp_optlen, off + optlen, at_end, protocol, hpi, msgtype);
+ if (*at_end) {
+ /* Bad option - just skip to the end */
+ temp_optlen = optlen;
+ }
+ }
+ break;
+ case OPTION_IA_TA:
+ if (optlen < 4) {
+ expert_add_info_format(pinfo, option_item, &ei_dhcpv6_malformed_option, "IA_TA: malformed option");
+ break;
+ }
+ proto_tree_add_string(subtree, hf_iata, tvb, off,
+ 4, tvb_arphrdaddr_to_str(pinfo->pool, tvb, off, 4, opttype)); /* XXX: IAID is opaque ? review ... */
+ temp_optlen = 4;
+ while ((optlen - temp_optlen) > 0) {
+ temp_optlen += dhcpv6_option(tvb, pinfo, subtree,
+ off+temp_optlen, off + optlen, at_end, protocol, hpi, msgtype);
+ if (*at_end) {
+ /* Bad option - just skip to the end */
+ temp_optlen = optlen;
+ }
+ }
+ break;
+ case OPTION_IAADDR:
+ {
+ guint32 preferred_lifetime, valid_lifetime;
+
+ if (optlen < 24) {
+ expert_add_info_format(pinfo, option_item, &ei_dhcpv6_malformed_option, "IA_TA: malformed option");
+ break;
+ }
+
+ proto_tree_add_item(subtree, hf_iaaddr_ip, tvb, off, 16, ENC_NA);
+ col_append_fstr(pinfo->cinfo, COL_INFO, "IAA: %s ", tvb_ip6_to_str(pinfo->pool, tvb, off));
+
+ preferred_lifetime = tvb_get_ntohl(tvb, off + 16);
+ valid_lifetime = tvb_get_ntohl(tvb, off + 20);
+
+ if (preferred_lifetime == DHCPV6_LEASEDURATION_INFINITY) {
+ proto_tree_add_uint_format_value(subtree, hf_iaaddr_pref_lifetime, tvb, off+16,
+ 4, DHCPV6_LEASEDURATION_INFINITY, "infinity");
+ } else {
+ proto_tree_add_item(subtree, hf_iaaddr_pref_lifetime, tvb, off+16,
+ 4, ENC_BIG_ENDIAN);
+ }
+ if (valid_lifetime == DHCPV6_LEASEDURATION_INFINITY) {
+ proto_tree_add_uint_format(subtree, hf_iaaddr_valid_lifetime, tvb, off+20,
+ 4, DHCPV6_LEASEDURATION_INFINITY, "Preferred lifetime: infinity");
+ } else {
+ proto_tree_add_item(subtree, hf_iaaddr_valid_lifetime, tvb, off+20,
+ 4, ENC_BIG_ENDIAN);
+ }
+
+ temp_optlen = 24;
+ while ((optlen - temp_optlen) > 0) {
+ temp_optlen += dhcpv6_option(tvb, pinfo, subtree,
+ off+temp_optlen, off + optlen, at_end, protocol, hpi, msgtype);
+ if (*at_end) {
+ /* Bad option - just skip to the end */
+ temp_optlen = optlen;
+ }
+ }
+ }
+ break;
+ case OPTION_ORO:
+ case OPTION_ERO:
+ for (i = 0; i < optlen; i += 2) {
+ proto_tree_add_item(subtree, hf_requested_option_code, tvb, off+i,
+ 2, ENC_BIG_ENDIAN);
+ }
+ break;
+ case OPTION_PREFERENCE:
+ if (optlen != 1) {
+ expert_add_info_format(pinfo, option_item, &ei_dhcpv6_malformed_option, "PREFERENCE: malformed option");
+ break;
+ }
+ proto_tree_add_item(subtree, hf_option_preference, tvb, off, 1, ENC_BIG_ENDIAN);
+ break;
+ case OPTION_ELAPSED_TIME:
+ if (optlen != 2) {
+ expert_add_info_format(pinfo, option_item, &ei_dhcpv6_malformed_option, "ELAPSED-TIME: malformed option");
+ break;
+ }
+
+ temp_optlen = tvb_get_ntohs(tvb, off);
+ proto_tree_add_uint(subtree, hf_elapsed_time, tvb, off, 2, temp_optlen*10);
+ break;
+ case OPTION_RELAY_MSG:
+ if (optlen == 0) {
+ expert_add_info_format(pinfo, option_item, &ei_dhcpv6_malformed_option, "RELAY-MSG: malformed option");
+ } else {
+ /* here, we should dissect a full DHCP message */
+ dissect_dhcpv6(tvb, pinfo, subtree, off, off + optlen, hpi);
+ }
+ break;
+ case OPTION_AUTH:
+ if (optlen < 11) {
+ expert_add_info_format(pinfo, option_item, &ei_dhcpv6_malformed_option, "AUTH: malformed option");
+ break;
+ }
+
+ proto_tree_add_item(subtree, hf_auth_protocol, tvb, off, 1, ENC_BIG_ENDIAN);
+ proto_tree_add_item_ret_uint(subtree, hf_auth_algorithm, tvb, off+1, 1, ENC_BIG_ENDIAN, &algorithm);
+ proto_tree_add_item(subtree, hf_auth_rdm, tvb, off+2, 1, ENC_BIG_ENDIAN);
+ proto_tree_add_item(subtree, hf_auth_replay_detection, tvb, off+3, 8, ENC_NA);
+ if (optlen > 11+20 && algorithm == 1) { // RFC 3315, HMAC-MD5 (16) + Key ID (4) => 20 bytes
+ if (optlen-11-20 < 256) {
+ proto_tree_add_item(subtree, hf_auth_realm, tvb, off+11, optlen-11-20, ENC_ASCII);
+ } else {
+ expert_add_info_format(pinfo, option_item, &ei_dhcpv6_malformed_option, "DHCP realm: probably malformed option");
+ }
+ proto_tree_add_item(subtree, hf_auth_key_id, tvb, off+optlen-16-4, 4, ENC_BIG_ENDIAN);
+ proto_tree_add_item(subtree, hf_auth_md5_data, tvb, off+optlen-16, 16, ENC_NA);
+ } else {
+ proto_tree_add_item(subtree, hf_auth_info, tvb, off+11, optlen-11, ENC_NA);
+ }
+ break;
+ case OPTION_UNICAST:
+ if (optlen != 16) {
+ expert_add_info_format(pinfo, option_item, &ei_dhcpv6_malformed_option, "UNICAST: malformed option");
+ break;
+ }
+ proto_tree_add_item(subtree, hf_opt_unicast, tvb, off, 16, ENC_NA);
+ break;
+ case OPTION_STATUS_CODE:
+ proto_tree_add_item(subtree, hf_opt_status_code, tvb, off, 2, ENC_BIG_ENDIAN);
+ if (optlen > 2)
+ proto_tree_add_item(subtree, hf_opt_status_msg, tvb, off+2, optlen - 2, ENC_ASCII);
+ break;
+ case OPTION_VENDOR_CLASS:
+ if (optlen < 4) {
+ expert_add_info_format(pinfo, option_item, &ei_dhcpv6_malformed_option, "VENDOR_CLASS: malformed option");
+ break;
+ }
+ proto_tree_add_item(subtree, hf_vendorclass_enterprise, tvb, off, 4, ENC_BIG_ENDIAN);
+ if (optlen > 4)
+ proto_tree_add_item(subtree, hf_vendorclass_data, tvb, off+6, optlen-6, ENC_ASCII);
+ break;
+ case OPTION_VENDOR_OPTS:
+ {
+ if (optlen < 4) {
+ expert_add_info_format(pinfo, option_item, &ei_dhcpv6_malformed_option, "VENDOR_OPTS: malformed option");
+ break;
+ }
+
+ tvbuff_t *opt_tvb;
+
+ enterprise_no = tvb_get_ntohl(tvb, off);
+ opt_tvb = tvb_new_subset_length(tvb, off, optlen);
+
+ // Find a per-vendor dissector or fallback to the generic-enterprise-dissector.
+ if (!dissector_try_uint_new(dhcpv6_enterprise_opts_dissector_table, enterprise_no, opt_tvb, pinfo, subtree, FALSE, &msgtype)) {
+ proto_tree_add_item(subtree, hf_vendoropts_enterprise, tvb, off, 4, ENC_BIG_ENDIAN);
+ int optoffset = 0;
+
+ while ((optlen - 4 - optoffset) > 0) {
+ int olen = tvb_get_ntohs(tvb, off + optoffset + 6);
+ subtree_2 = proto_tree_add_subtree(subtree, tvb, off + optoffset + 4,
+ 4 + olen, ett_dhcpv6_option_vsoption, NULL, "option");
+ proto_tree_add_item(subtree_2, hf_vendoropts_enterprise_option_code, tvb, off + optoffset + 4, 2, ENC_BIG_ENDIAN);
+ proto_tree_add_item(subtree_2, hf_vendoropts_enterprise_option_length, tvb, off + optoffset + 6, 2, ENC_BIG_ENDIAN);
+ proto_tree_add_item(subtree_2, hf_vendoropts_enterprise_option_data, tvb, off + optoffset + 8, olen, ENC_NA);
+ optoffset += (4 + olen);
+ }
+ }
+ break;
+ }
+ case OPTION_INTERFACE_ID:
+ {
+ if (optlen == 0) {
+ expert_add_info_format(pinfo, option_item, &ei_dhcpv6_malformed_option, "INTERFACE_ID: malformed option");
+ break;
+ }
+
+ if (cablelabs_interface_id) {
+ gint namelen = tvb_strnlen(tvb, off, optlen)+1;
+ if (namelen == 0) {
+ proto_tree_add_item(subtree, hf_cablelabs_interface_id, tvb, off, optlen, ENC_ASCII);
+ } else {
+ proto_tree_add_item(subtree, hf_cablelabs_interface_id, tvb, off, namelen-1, ENC_ASCII);
+
+ temp_optlen = optlen - namelen;
+ off += namelen;
+ if (temp_optlen >= 6)
+ proto_tree_add_string(subtree, hf_cablelabs_interface_id_link_address, tvb, off, temp_optlen, tvb_arphrdaddr_to_str(pinfo->pool, tvb, off, 6, ARPHRD_ETHER));
+ }
+ } else {
+ proto_tree_add_item(subtree, hf_interface_id, tvb, off, optlen, ENC_NA);
+ }
+ }
+ break;
+ case OPTION_RECONF_MSG:
+ if (optlen != 1) {
+ expert_add_info_format(pinfo, option_item, &ei_dhcpv6_malformed_option, "RECONF_MSG: malformed option");
+ break;
+ }
+
+ proto_tree_add_item(subtree, hf_reconf_msg, tvb, off, 1, ENC_BIG_ENDIAN);
+ break;
+ case OPTION_RECONF_ACCEPT:
+ if (optlen)
+ expert_add_info_format(pinfo, option_item, &ei_dhcpv6_malformed_option, "RECONF_ACCEPT: malformed option");
+ break;
+ case OPTION_SIP_SERVER_D:
+ if (optlen > 0) {
+ subtree_2 = proto_tree_add_subtree(subtree, tvb, off, optlen, ett_dhcpv6_sip_server_domain_search_list_option, &ti, "SIP Servers Domain Search List");
+ dhcpv6_domain(subtree_2, ti, pinfo, hf_sip_server_domain_search_fqdn, tvb, off, optlen);
+ }
+ break;
+ case OPTION_SIP_SERVER_A:
+ if (optlen % 16) {
+ expert_add_info_format(pinfo, option_item, &ei_dhcpv6_malformed_option, "SIP servers address: malformed option");
+ break;
+ }
+
+ for (i = 0; i < optlen; i += 16)
+ proto_tree_add_item(subtree, hf_sip_server_a, tvb, off + i, 16, ENC_NA);
+ break;
+ case OPTION_DNS_SERVERS:
+ if (optlen % 16) {
+ expert_add_info_format(pinfo, option_item, &ei_dhcpv6_malformed_option, "DNS servers address: malformed option");
+ break;
+ }
+
+ for (i = 0; i < optlen; i += 16) {
+ ti = proto_tree_add_item(subtree, hf_dns_servers, tvb, off + i, 16, ENC_NA);
+ proto_item_prepend_text(ti, " %d ", i/16 + 1);
+ }
+ break;
+
+ case OPTION_DOMAIN_LIST:
+ if (optlen > 0) {
+ subtree_2 = proto_tree_add_subtree(subtree, tvb, off, optlen, ett_dhcpv6_dns_domain_search_list_option, &ti,
+ "Domain name suffix search list");
+ dhcpv6_domain(subtree_2, ti, pinfo, hf_domain_search_list_entry, tvb, off, optlen);
+ }
+ break;
+
+ /* NIS...: RFC 3898 */
+ case OPTION_NIS_SERVERS:
+ if (optlen % 16) {
+ expert_add_info_format(pinfo, option_item, &ei_dhcpv6_malformed_option, "NIS servers address: malformed option");
+ break;
+ }
+ for (i = 0; i < optlen; i += 16)
+ proto_tree_add_item(subtree, hf_nis_servers, tvb, off + i, 16, ENC_NA);
+ break;
+ case OPTION_NISP_SERVERS:
+ if (optlen % 16) {
+ expert_add_info_format(pinfo, option_item, &ei_dhcpv6_malformed_option, "NISP servers address: malformed option");
+ break;
+ }
+ for (i = 0; i < optlen; i += 16)
+ proto_tree_add_item(subtree, hf_nisp_servers, tvb, off + i, 16, ENC_NA);
+ break;
+ case OPTION_NIS_DOMAIN_NAME:
+ if (optlen > 0) {
+ subtree_2 = proto_tree_add_subtree(subtree, tvb, off, optlen, ett_dhcpv6_nis_domain_name_option, &ti, "nis-domain-name");
+ dhcpv6_domain(subtree_2, ti, pinfo, hf_nis_fqdn, tvb, off, optlen);
+ }
+ break;
+ case OPTION_NISP_DOMAIN_NAME:
+ if (optlen > 0) {
+ subtree_2 = proto_tree_add_subtree(subtree, tvb, off, optlen, ett_dhcpv6_nisp_domain_name_option, &ti, "nisp-domain-name");
+ dhcpv6_domain(subtree_2, ti, pinfo, hf_nisp_fqdn, tvb, off, optlen);
+ }
+ break;
+
+ case OPTION_SNTP_SERVERS:
+ /* Deprecated as of RFC 5908 */
+ if (optlen % 16) {
+ expert_add_info_format(pinfo, option_item, &ei_dhcpv6_malformed_option, "SNTP servers address: malformed option");
+ break;
+ }
+ for (i = 0; i < optlen; i += 16){
+ ti = proto_tree_add_item(subtree, hf_sntp_servers, tvb, off + i, 16, ENC_NA);
+ proto_item_prepend_text(ti, " %d ", i/16 + 1);
+ }
+ break;
+ case OPTION_LIFETIME:
+ if (optlen != 4) {
+ expert_add_info_format(pinfo, option_item, &ei_dhcpv6_malformed_option, "LIFETIME: malformed option");
+ break;
+ }
+ proto_tree_add_item(subtree, hf_opt_lifetime, tvb, off, 4, ENC_BIG_ENDIAN);
+ break;
+
+ /* BCMCS...: RFC 4280 */
+ case OPTION_BCMCS_SERVER_D:
+ if (optlen > 0) {
+ subtree_2 = proto_tree_add_subtree(subtree, tvb, off, optlen, ett_dhcpv6_bcmcs_servers_domain_search_list_option, &ti, "BCMCS Servers Domain Search List");
+ dhcpv6_domain(subtree_2, ti, pinfo, hf_bcmcs_servers_fqdn, tvb, off, optlen);
+ }
+ break;
+ case OPTION_BCMCS_SERVER_A:
+ if (optlen % 16) {
+ expert_add_info_format(pinfo, option_item, &ei_dhcpv6_malformed_option, "BCMCS servers address: malformed option");
+ break;
+ }
+ for (i = 0; i < optlen; i += 16)
+ proto_tree_add_item(subtree, hf_bcmcs_servers_a, tvb, off + i, 16, ENC_NA);
+ break;
+
+ case OPTION_REMOTE_ID:
+ if (optlen < 4) {
+ expert_add_info_format(pinfo, option_item, &ei_dhcpv6_malformed_option, "REMOTE_ID: malformed option");
+ break;
+ }
+ proto_tree_add_item(subtree, hf_remoteid_enterprise, tvb, off, 4, ENC_BIG_ENDIAN);
+ off += 4;
+ proto_tree_add_item(subtree, hf_remoteid_enterprise_id, tvb, off, optlen - 4, ENC_NA);
+ break;
+ case OPTION_SUBSCRIBER_ID:
+ if (optlen == 0) {
+ expert_add_info_format(pinfo, option_item, &ei_dhcpv6_malformed_option, "SUBSCRIBER_ID: malformed option");
+ break;
+ }
+ proto_tree_add_item(subtree, hf_subscriber_id, tvb, off, optlen, ENC_ASCII);
+ break;
+ case OPTION_CLIENT_FQDN:
+ if (optlen < 1) {
+ expert_add_info_format(pinfo, option_item, &ei_dhcpv6_malformed_option, "FQDN: malformed option");
+ } else {
+ guint8 flags;
+ proto_item *fi = NULL;
+ proto_tree *flags_tree = NULL;
+ char *flags_str= NULL, *suffix;
+ gboolean is_client;
+ proto_item *exi;
+ proto_tree *ex_subtree;
+
+ /*
+ * A client MUST only include the OPTION_CLIENT_FQDN in SOLICIT, REQUEST, RENEW, or REBIND messages.
+ * [RFC 4704 Section 5.]
+ * Servers MUST only include a OPTION_CLIENT_FQDN in ADVERTISE and REPLY messages.
+ * [RFC 4704 Section 6.]
+ */
+ if (msgtype == SOLICIT || msgtype == REQUEST || msgtype == RENEW || msgtype == REBIND)
+ is_client = TRUE;
+ else if (msgtype == ADVERTISE || msgtype == REPLY)
+ is_client = FALSE;
+ else {
+ exi = proto_tree_add_uint_format(subtree, hf_clientfqdn_bad_msgtype, tvb, off-4, 1,
+ msgtype,
+ "Only the following message types are permitted to use OPTION_CLIENT_FQDN:\n"
+ "SOLICIT, REQUEST, RENEW, REBIND, ADVERTISE, and REPLY");
+ ex_subtree = proto_item_add_subtree(exi, ett_clientfqdn_expert);
+ proto_tree_add_expert(ex_subtree, pinfo, &ei_dhcpv6_clientfqdn_bad_msgtype, tvb, off-4, 1);
+ break;
+ }
+ /*
+ * +-----+-+-+-+
+ * | MBZ |N|O|S|
+ * +-----+-+-+-+
+ *
+ * [RFC4704 Section 4.1]
+ * "The 'S' bit indicates whether the server SHOULD or SHOULD NOT perform the AAAA RR (FQDN-to-address)
+ * DNS updates. A client sets the bit to 0 to indicate that the server SHOULD NOT perform the updates
+ * and 1 to indicate that the server SHOULD perform the updates. The state of the bit in the reply from
+ * the server indicates the action to be taken by the server; if it is 1 the server has taken
+ * responsibility for AAAA RR updates for the FQDN.
+ *
+ * The 'O' bit indicates whether the server has overridden the client's preference for the 'S' bit.
+ * A client MUST set this bit to 0. A server MUST set this bit to 1 if the "S" bit in its reply to the
+ * client does not match the 'S' bit received from the client.
+ *
+ * The 'N' bit indicates whether the server SHOULD NOT perform any DNS updates. A client sets this bit to
+ * 0 to request that the server SHOULD perform updates (the PTR RR and possibly the AAAA RR based on the
+ * 'S' bit) 1 to request that the server SHOULD NOT perform any DNS updates. A server sets the 'N' bit to
+ * indicate whether the server SHALL (0) or SHALL NOT (1) perform DNS updates. If the 'N' bit is 1, the
+ * 'S' bit MUST be 0."
+ */
+ flags = tvb_get_guint8(tvb, off);
+ suffix = "]";
+
+ if (is_client) {
+ /*CLIENT*/
+ if ((flags & 0x5)==0) flags_str = "[CLIENT wants to update its AAAA RRs and SERVER to update its PTR RRs";
+ if ((flags & 0x5)==1) flags_str = "[CLIENT wants SERVER to update both its AAAA and PTR RRs";
+ if ((flags & 0x5)==4) flags_str = "[CLIENT prefers that the server not perform *any* DNS updates";
+ if ((flags & 0x5)==5) flags_str = "[ERROR: CLIENT prefers that the server not perform *any* DNS updates\n"
+ " In which case the 'S' bit MUST be 0";
+ /* The client MUST set this bit to 0 (in that it is meaningless). */
+ }
+ else {
+ /*SERVER*/
+ if ((flags & 0x5)==0) flags_str = "[CLIENT SHALL update AAAA RRs; SERVER SHALL update PTR RRs";
+ if ((flags & 0x5)==1) flags_str = "[SERVER SHALL update both AAAA and PTR RRs";
+ if ((flags & 0x5)==4) flags_str = "[CLIENT SHALL update AAAA RRs; SERVER SHALL NOT perform any DNS updates";
+ if ((flags & 0x5)==5) flags_str = "[ERROR: SERVER SHALL NOT perform *any* DNS updates in which case "
+ " the 'S' bit MUST be 0";
+ if ((flags & 0x2)==2
+ && ((flags & 0x5)==0 || (flags & 0x5)==1))
+ suffix = "]\n[Server has overridden the client's S bit]";
+ }
+ fi = proto_tree_add_uint_format(subtree, hf_clientfqdn_flags, tvb, off, 1, flags,
+ "Flags: 0x%02x %s%s", flags, flags_str, suffix);
+ flags_tree = proto_item_add_subtree(fi, ett_clientfqdn_flags);
+
+ if (is_client) {
+ proto_tree_add_item(flags_tree, hf_clientfqdn_client_n, tvb, off, 1, ENC_BIG_ENDIAN);
+ proto_tree_add_item(flags_tree, hf_clientfqdn_client_s, tvb, off, 1, ENC_BIG_ENDIAN);
+ }
+ else {
+ proto_tree_add_item(flags_tree, hf_clientfqdn_server_n, tvb, off, 1, ENC_BIG_ENDIAN);
+ proto_tree_add_item(flags_tree, hf_clientfqdn_server_o, tvb, off, 1, ENC_BIG_ENDIAN);
+ proto_tree_add_item(flags_tree, hf_clientfqdn_server_s, tvb, off, 1, ENC_BIG_ENDIAN);
+ }
+ if ((flags & 0x5)==5)
+ proto_tree_add_expert(subtree, pinfo, &ei_dhcpv6_s_bit_should_be_zero, tvb, off, 1);
+
+ dhcpv6_domain(subtree, option_item, pinfo, hf_client_fqdn, tvb, off+1, optlen-1);
+ }
+ break;
+ case OPTION_PANA_AGENT:
+ if (optlen % 16) {
+ expert_add_info_format(pinfo, option_item, &ei_dhcpv6_malformed_option, "PANA agent address: malformed option");
+ break;
+ }
+ for (i = 0; i < optlen; i += 16)
+ proto_tree_add_item(subtree, hf_pana_agent, tvb, off + i, 16, ENC_NA);
+ break;
+ case OPTION_TIME_ZONE:
+ if (optlen > 0)
+ proto_tree_add_item(subtree, hf_opt_timezone, tvb, off, optlen, ENC_ASCII);
+ break;
+ case OPTION_TZDB:
+ if (optlen > 0)
+ proto_tree_add_item(subtree, hf_opt_tzdb, tvb, off, optlen, ENC_ASCII);
+ break;
+
+ case OPTION_MUDURL:
+ if (optlen > 0)
+ proto_tree_add_item(subtree, hf_opt_mudurl, tvb, off, optlen, ENC_ASCII);
+ break;
+
+ case OPTION_LQ_QUERY:
+ {
+ guint8 query_type;
+ if (optlen < 17) {
+ expert_add_info_format(pinfo, option_item, &ei_dhcpv6_malformed_option, "LQ-QUERY: malformed option");
+ break;
+ }
+ query_type = tvb_get_guint8(tvb, off);
+ ti = proto_tree_add_item(subtree, hf_lq_query, tvb, off, 1, ENC_BIG_ENDIAN);
+ if ((protocol == proto_dhcpv6) &&
+ ((query_type == LQ_QUERY_RELAYID) ||
+ (query_type == LQ_QUERY_LINK_ADDRESS) ||
+ (query_type == LQ_QUERY_REMOTEID))) {
+ expert_add_info(pinfo, ti, &ei_dhcpv6_bulk_leasequery_bad_query_type);
+ }
+
+ proto_tree_add_item(subtree, hf_lq_query_link_address, tvb, off+1, 16, ENC_NA);
+ temp_optlen = 17;
+ while ((optlen - temp_optlen) > 0) {
+ temp_optlen += dhcpv6_option(tvb, pinfo, subtree,
+ off + temp_optlen,
+ off + optlen, at_end, protocol, hpi, msgtype);
+ if (*at_end) {
+ /* Bad option - just skip to the end */
+ temp_optlen = optlen;
+ }
+ }
+ }
+ break;
+ case OPTION_CLIENT_DATA:
+ temp_optlen = 0;
+ while ((optlen - temp_optlen) > 0) {
+ temp_optlen += dhcpv6_option(tvb, pinfo, subtree,
+ off + temp_optlen,
+ off + optlen, at_end, protocol, hpi, msgtype);
+ if (*at_end) {
+ /* Bad option - just skip to the end */
+ temp_optlen = optlen;
+ }
+ }
+ break;
+ case OPTION_CLT_TIME:
+ if (optlen != 4) {
+ expert_add_info_format(pinfo, option_item, &ei_dhcpv6_malformed_option, "CLT_TIME: malformed option");
+ break;
+ }
+
+ proto_tree_add_item(subtree, hf_clt_time, tvb, off, 4, ENC_BIG_ENDIAN);
+ break;
+ case OPTION_LQ_RELAY_DATA:
+ if (optlen < 16) {
+ expert_add_info_format(pinfo, option_item, &ei_dhcpv6_malformed_option, "LQ_RELAY_DATA: malformed option");
+ break;
+ }
+
+ proto_tree_add_item(subtree, hf_lq_relay_data_peer_addr, tvb, off, 16, ENC_NA);
+ proto_tree_add_item(subtree, hf_lq_relay_data_msg, tvb, off+16, optlen - 16, ENC_ASCII);
+ break;
+ case OPTION_LQ_CLIENT_LINK:
+ if (optlen % 16) {
+ expert_add_info_format(pinfo, option_item, &ei_dhcpv6_malformed_option, "LQ client links address: malformed option");
+ break;
+ }
+ for (i = 0; i < optlen; i += 16)
+ proto_tree_add_item(subtree, hf_lq_client_link, tvb, off + i, 16, ENC_NA);
+ break;
+ case OPTION_CAPWAP_AC_V6:
+ if (optlen % 16) {
+ expert_add_info_format(pinfo, option_item, &ei_dhcpv6_malformed_option, "CAPWAP Access Controllers address: malformed option");
+ break;
+ }
+ for (i = 0; i < optlen; i += 16)
+ proto_tree_add_item(subtree, hf_capwap_ac_v6, tvb, off + i, 16, ENC_NA);
+ break;
+
+ case OPTION_AFTR_NAME:
+ dhcpv6_domain(subtree, option_item, pinfo, hf_aftr_name, tvb, off, optlen);
+ break;
+ case OPTION_IAPREFIX:
+ if (optlen < 25) {
+ expert_add_info_format(pinfo, option_item, &ei_dhcpv6_malformed_option, "IAPREFIX: malformed option");
+ break;
+ }
+
+ if (tvb_get_ntohl(tvb, off) == DHCPV6_LEASEDURATION_INFINITY) {
+ proto_tree_add_uint_format_value(subtree, hf_iaprefix_pref_lifetime, tvb, off,
+ 4, DHCPV6_LEASEDURATION_INFINITY, "infinity");
+ } else {
+ proto_tree_add_item(subtree, hf_iaprefix_pref_lifetime, tvb, off,
+ 4, ENC_BIG_ENDIAN);
+ }
+ if (tvb_get_ntohl(tvb, off + 4) == DHCPV6_LEASEDURATION_INFINITY) {
+ proto_tree_add_uint_format_value(subtree, hf_iaprefix_valid_lifetime, tvb, off+4,
+ 4, DHCPV6_LEASEDURATION_INFINITY, "infinity");
+ } else {
+ proto_tree_add_item(subtree, hf_iaprefix_valid_lifetime, tvb, off+4,
+ 4, ENC_BIG_ENDIAN);
+ }
+ proto_tree_add_item(subtree, hf_iaprefix_pref_len, tvb, off+8, 1, ENC_BIG_ENDIAN);
+ proto_tree_add_item(subtree, hf_iaprefix_pref_addr, tvb, off+9, 16, ENC_NA);
+ temp_optlen = 25;
+ while ((optlen - temp_optlen) > 0) {
+ temp_optlen += dhcpv6_option(tvb, pinfo, subtree,
+ off+temp_optlen, off + optlen, at_end, protocol, hpi, msgtype);
+ if (*at_end) {
+ /* Bad option - just skip to the end */
+ temp_optlen = optlen;
+ }
+ }
+ break;
+ case OPTION_MIP6_HA:
+ if (optlen != 16) {
+ expert_add_info_format(pinfo, option_item, &ei_dhcpv6_malformed_option, "MIP6_HA: malformed option");
+ break;
+ }
+ proto_tree_add_item(subtree, hf_mip6_ha, tvb, off, 16, ENC_NA);
+ break;
+ case OPTION_MIP6_HOA:
+ if (optlen != 16) {
+ expert_add_info_format(pinfo, option_item, &ei_dhcpv6_malformed_option, "MIP6_HOA: malformed option");
+ break;
+ }
+
+ proto_tree_add_item(subtree, hf_mip6_hoa, tvb, off, 16, ENC_NA);
+ break;
+ case OPTION_NAI:
+ if (optlen < 4) {
+ expert_add_info_format(pinfo, option_item, &ei_dhcpv6_malformed_option, "NAI: malformed option");
+ break;
+ }
+ proto_tree_add_item(subtree, hf_nai, tvb, off, optlen - 2, ENC_ASCII);
+ break;
+ case OPTION_PD_EXCLUDE:
+ if ((optlen < 2) || (optlen > 17)) {
+ expert_add_info_format(pinfo, option_item, &ei_dhcpv6_malformed_option, "PD_EXCLUDE: malformed option");
+ break;
+ }
+ proto_tree_add_item(subtree, hf_pd_exclude_pref_len, tvb, off, 1, ENC_BIG_ENDIAN);
+ proto_tree_add_item(subtree, hf_pd_exclude_subnet_id , tvb, off+1, optlen-1, ENC_NA);
+ break;
+ case OPTION_CAPTIVE_PORTAL:{
+ proto_item *ti_cp;
+ ti_cp = proto_tree_add_item(subtree, hf_option_captive_portal, tvb, off, optlen, ENC_ASCII);
+ proto_item_set_url(ti_cp);
+ break;
+ }
+ case OPTION_S46_PRIORITY:
+ temp_optlen = optlen;
+ while (temp_optlen >= 2) {
+ proto_tree_add_item(subtree, hf_option_s46_option_code, tvb, off, 2, ENC_BIG_ENDIAN);
+ temp_optlen -= 2;
+ off += 2;
+ }
+ break;
+ case OPTION_F_BINDING_STATUS:
+ if (optlen != 1) {
+ expert_add_info_format(pinfo, option_item, &ei_dhcpv6_malformed_option, "Failover: malformed option");
+ break;
+ }
+ proto_tree_add_item(subtree, hf_option_failover_binding_status, tvb, off, 1, ENC_BIG_ENDIAN);
+ break;
+ case OPTION_F_CONNECT_FLAGS:
+ if (optlen != 2) {
+ expert_add_info_format(pinfo, option_item, &ei_dhcpv6_malformed_option, "Failover: malformed option");
+ break;
+ }
+ proto_tree_add_bitmask(subtree, tvb, off, hf_option_failover_connect_flags, ett_dhcpv6_failover_connect_flags, dhcpv6_failover_connect_flags_fields, ENC_BIG_ENDIAN);
+ break;
+ case OPTION_F_DNS_HOST_NAME:
+ {
+ const gchar *dns_name;
+ gint dns_name_len;
+
+ get_dns_name(tvb, off, optlen, off, &dns_name, &dns_name_len);
+ proto_tree_add_string(subtree, hf_option_failover_dns_hostname, tvb, off, optlen, format_text(pinfo->pool, dns_name, dns_name_len));
+ break;
+ }
+ case OPTION_F_DNS_ZONE_NAME:
+ {
+ const gchar *dns_name;
+ gint dns_name_len;
+
+ get_dns_name(tvb, off, optlen, off, &dns_name, &dns_name_len);
+ proto_tree_add_string(subtree, hf_option_failover_dns_zonename, tvb, off, optlen, format_text(pinfo->pool, dns_name, dns_name_len));
+ break;
+ }
+ case OPTION_F_DNS_FLAGS:
+ if (optlen != 2) {
+ expert_add_info_format(pinfo, option_item, &ei_dhcpv6_malformed_option, "Failover: malformed option");
+ break;
+ }
+ proto_tree_add_bitmask(subtree, tvb, off, hf_option_failover_dns_flags, ett_dhcpv6_failover_dns_flags, dhcpv6_failover_dns_flags_fields, ENC_BIG_ENDIAN);
+ break;
+ case OPTION_F_EXPIRATION_TIME:
+ if (optlen != 4) {
+ expert_add_info_format(pinfo, option_item, &ei_dhcpv6_malformed_option, "Failover: malformed option");
+ break;
+ }
+ proto_tree_add_item(subtree, hf_option_failover_expiration_time, tvb, off, 4, ENC_BIG_ENDIAN);
+ break;
+ case OPTION_F_MAX_UNACKED_BNDUPD:
+ if (optlen != 4) {
+ expert_add_info_format(pinfo, option_item, &ei_dhcpv6_malformed_option, "Failover: malformed option");
+ break;
+ }
+ proto_tree_add_item(subtree, hf_option_failover_max_unacked_bndupd, tvb, off, 4, ENC_BIG_ENDIAN);
+ break;
+ case OPTION_F_MCLT:
+ if (optlen != 4) {
+ expert_add_info_format(pinfo, option_item, &ei_dhcpv6_malformed_option, "Failover: malformed option");
+ break;
+ }
+ proto_tree_add_item(subtree, hf_option_failover_mclt, tvb, off, 4, ENC_BIG_ENDIAN);
+ break;
+ case OPTION_F_PARTNER_LIFETIME:
+ if (optlen != 4) {
+ expert_add_info_format(pinfo, option_item, &ei_dhcpv6_malformed_option, "Failover: malformed option");
+ break;
+ }
+ proto_tree_add_item(subtree, hf_option_failover_partner_lifetime, tvb, off, 4, ENC_BIG_ENDIAN);
+ break;
+ case OPTION_F_PARTNER_LIFETIME_SENT:
+ if (optlen != 4) {
+ expert_add_info_format(pinfo, option_item, &ei_dhcpv6_malformed_option, "Failover: malformed option");
+ break;
+ }
+ proto_tree_add_item(subtree, hf_option_failover_partner_lifetime_sent, tvb, off, 4, ENC_BIG_ENDIAN);
+ break;
+ case OPTION_F_PARTNER_DOWN_TIME:
+ if (optlen != 4) {
+ expert_add_info_format(pinfo, option_item, &ei_dhcpv6_malformed_option, "Failover: malformed option");
+ break;
+ }
+ proto_tree_add_item(subtree, hf_option_failover_partner_downtime, tvb, off, 4, ENC_BIG_ENDIAN);
+ break;
+ case OPTION_F_PARTNER_RAW_CLT_TIME:
+ if (optlen != 4) {
+ expert_add_info_format(pinfo, option_item, &ei_dhcpv6_malformed_option, "Failover: malformed option");
+ break;
+ }
+ proto_tree_add_item(subtree, hf_option_failover_partner_raw_clt_time, tvb, off, 4, ENC_BIG_ENDIAN);
+ break;
+ case OPTION_F_PROTOCOL_VERSION:
+ if (optlen != 4) {
+ expert_add_info_format(pinfo, option_item, &ei_dhcpv6_malformed_option, "Failover: malformed option");
+ break;
+ }
+ proto_tree_add_item(subtree, hf_option_failover_major_version, tvb, off, 2, ENC_BIG_ENDIAN);
+ proto_tree_add_item(subtree, hf_option_failover_minor_version, tvb, off+2, 2, ENC_BIG_ENDIAN);
+ break;
+ case OPTION_F_KEEPALIVE_TIME:
+ if (optlen != 4) {
+ expert_add_info_format(pinfo, option_item, &ei_dhcpv6_malformed_option, "Failover: malformed option");
+ break;
+ }
+ proto_tree_add_item(subtree, hf_option_failover_keepalive_time, tvb, off, 4, ENC_BIG_ENDIAN);
+ break;
+ case OPTION_F_RECONFIGURE_DATA:
+ if (optlen < 4) {
+ expert_add_info_format(pinfo, option_item, &ei_dhcpv6_malformed_option, "Failover: malformed option");
+ break;
+ }
+ proto_tree_add_item(subtree, hf_option_failover_reconfigure_time, tvb, off, 4, ENC_BIG_ENDIAN);
+ proto_tree_add_item(subtree, hf_option_failover_reconfigure_key, tvb, off+4, optlen-4, ENC_NA);
+ break;
+ case OPTION_F_RELATIONSHIP_NAME:
+ proto_tree_add_item(subtree, hf_option_failover_relationship_name, tvb, off, optlen, ENC_UTF_8);
+ break;
+ case OPTION_F_SERVER_FLAGS:
+ if (optlen != 1) {
+ expert_add_info_format(pinfo, option_item, &ei_dhcpv6_malformed_option, "Failover: malformed option");
+ break;
+ }
+ proto_tree_add_bitmask(subtree, tvb, off, hf_option_failover_server_flags, ett_dhcpv6_failover_server_flags, dhcpv6_failover_server_flags_fields, ENC_BIG_ENDIAN);
+ break;
+ case OPTION_F_SERVER_STATE:
+ if (optlen != 1) {
+ expert_add_info_format(pinfo, option_item, &ei_dhcpv6_malformed_option, "Failover: malformed option");
+ break;
+ }
+ proto_tree_add_item(subtree, hf_option_failover_server_state, tvb, off, 1, ENC_BIG_ENDIAN);
+ break;
+ case OPTION_F_START_TIME_OF_STATE:
+ if (optlen != 4) {
+ expert_add_info_format(pinfo, option_item, &ei_dhcpv6_malformed_option, "Failover: malformed option");
+ break;
+ }
+ proto_tree_add_item(subtree, hf_option_failover_start_time_of_state, tvb, off, 4, ENC_BIG_ENDIAN);
+ break;
+ case OPTION_F_STATE_EXPIRATION_TIME:
+ if (optlen != 4) {
+ expert_add_info_format(pinfo, option_item, &ei_dhcpv6_malformed_option, "Failover: malformed option");
+ break;
+ }
+ proto_tree_add_item(subtree, hf_option_failover_state_expiration_time, tvb, off, 4, ENC_BIG_ENDIAN);
+ break;
+ case OPTION_RELAY_PORT:
+ if (optlen != 2) {
+ expert_add_info_format(pinfo, option_item, &ei_dhcpv6_malformed_option, "Relay Port: malformed option");
+ break;
+ }
+ proto_tree_add_item(subtree, hf_option_relay_port, tvb, off, 2, ENC_BIG_ENDIAN);
+ break;
+ case OPTION_CLIENT_LINKLAYER_ADDR:
+ if (optlen < 2) {
+ expert_add_info_format(pinfo, option_item, &ei_dhcpv6_malformed_option, "Client link-layer address: malformed option");
+ break;
+ }
+ proto_tree_add_item_ret_uint(subtree, hf_client_link_layer_addr_hwtype, tvb, off, 2, ENC_BIG_ENDIAN, &temp_guint32);
+ hwtype = temp_guint32 & 0xffff;
+ if (optlen > 2) {
+ proto_tree_add_string(subtree, hf_client_link_layer_addr, tvb, off+2, optlen-2,
+ tvb_arphrdaddr_to_str(pinfo->pool, tvb, off+2, optlen-2, hwtype));
+ if (DHCPV6_HW_IS_ETHER(hwtype, optlen-2)) {
+ proto_tree_add_item(subtree, hf_client_link_layer_addr_ether, tvb, off+2, optlen-2, ENC_NA);
+ }
+ }
+ break;
+ }
+
+ return 4 + optlen;
+}
+
+
+/* May be called recursively */
+static void
+dissect_dhcpv6(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree,
+ int off, int eoff, hopcount_info hpi)
+{
+ proto_tree *bp_tree = NULL;
+ proto_item *ti;
+ gboolean at_end;
+ guint8 msgtype;
+ msgtype = tvb_get_guint8(tvb, off);
+
+ col_append_fstr(pinfo->cinfo, COL_INFO, "%s ", val_to_str_ext(msgtype, &msgtype_vals_ext, "Message Type %u"));
+
+ if (tree) {
+ ti = proto_tree_add_item(tree, proto_dhcpv6, tvb, off, eoff - off, ENC_NA);
+ bp_tree = proto_item_add_subtree(ti, ett_dhcpv6);
+ }
+
+
+ if ((msgtype == RELAY_FORW) || (msgtype == RELAY_REPLY)) {
+ const guint8 previous_hopcount = hpi.hopcount;
+ proto_item *previous_pi = hpi.pi;
+ if (tree) {
+ proto_tree_add_item(bp_tree, hf_dhcpv6_msgtype, tvb, off, 1, ENC_BIG_ENDIAN);
+ hpi.pi = proto_tree_add_item(bp_tree, hf_dhcpv6_hopcount, tvb, off + 1, 1, ENC_BIG_ENDIAN);
+ proto_tree_add_item(bp_tree, hf_dhcpv6_linkaddr, tvb, off + 2, 16, ENC_NA);
+ proto_tree_add_item(bp_tree, hf_dhcpv6_peeraddr, tvb, off + 18, 16, ENC_NA);
+
+ }
+ /* Check the hopcount not exceed the HOP_COUNT_LIMIT */
+ hpi.hopcount = tvb_get_guint8(tvb, off + 1);
+ if (hpi.hopcount > HOP_COUNT_LIMIT) {
+ expert_add_info_format(pinfo, hpi.pi, &ei_dhcpv6_error_hopcount, "Hopcount (%d) exceeds the maximum limit HOP_COUNT_LIMIT (%d)", hpi.hopcount, HOP_COUNT_LIMIT);
+ }
+ /* Check hopcount is correctly incremented by 1 */
+ if (hpi.relay_message_previously_detected && hpi.hopcount != previous_hopcount - 1) {
+ expert_add_info_format(pinfo, previous_pi, &ei_dhcpv6_error_hopcount, "hopcount is not correctly incremented by 1 (expected : %d, actual : %d)", hpi.hopcount + 1, previous_hopcount);
+ }
+ hpi.relay_message_previously_detected = TRUE;
+ col_append_fstr(pinfo->cinfo, COL_INFO, "L: %s ", tvb_ip6_to_str(pinfo->pool, tvb, off + 2));
+ off += 34;
+ } else {
+ /* Check the inner hopcount equals 0 */
+ if (hpi.hopcount) {
+ expert_add_info_format(pinfo, hpi.pi, &ei_dhcpv6_error_hopcount, "Hopcount of most inner message has to equal 0 instead of %d", hpi.hopcount);
+ }
+ if (tree) {
+ proto_tree_add_item(bp_tree, hf_dhcpv6_msgtype, tvb, off, 1, ENC_BIG_ENDIAN);
+ proto_tree_add_item(bp_tree, hf_dhcpv6_xid, tvb, off + 1, 3, ENC_BIG_ENDIAN);
+ }
+ col_append_fstr(pinfo->cinfo, COL_INFO, "XID: 0x%06x ", tvb_get_ntoh24(tvb, off + 1));
+ off += 4;
+ }
+
+ at_end = FALSE;
+ while ((off < eoff) && !at_end)
+ off += dhcpv6_option(tvb, pinfo, bp_tree, off, eoff, &at_end, proto_dhcpv6, hpi, msgtype);
+}
+
+static int
+dissect_dhcpv6_stream(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_)
+{
+ hopcount_info hpi;
+ initialize_hopount_info(&hpi);
+ col_set_str(pinfo->cinfo, COL_PROTOCOL, "DHCPv6");
+ col_clear(pinfo->cinfo, COL_INFO);
+ dissect_dhcpv6(tvb, pinfo, tree, 0, tvb_reported_length(tvb), hpi);
+ return tvb_captured_length(tvb);
+}
+
+static guint
+get_dhcpv6_bulk_leasequery_pdu_len(packet_info *pinfo _U_, tvbuff_t *tvb,
+ int offset, void *data _U_)
+{
+ return (tvb_get_ntohs(tvb, offset)+2);
+}
+
+static int
+dissect_dhcpv6_bulk_leasequery_pdu(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
+{
+ proto_item *ti;
+ proto_tree *bulk_tree, *option_tree;
+ gint offset = 0, end;
+ guint16 size, trans_id;
+ guint8 msg_type;
+ gboolean at_end = FALSE;
+ hopcount_info hpi;
+ initialize_hopount_info(&hpi);
+
+ col_set_str(pinfo->cinfo, COL_PROTOCOL, "DHCPv6 BulkLease");
+ col_clear(pinfo->cinfo, COL_INFO);
+
+ ti = proto_tree_add_item(tree, proto_dhcpv6_bulk_leasequery, tvb, 0, -1, ENC_NA );
+ bulk_tree = proto_item_add_subtree(ti, ett_dhcpv6_bulk_leasequery);
+
+ size = tvb_get_ntohs(tvb, offset);
+ proto_tree_add_item(bulk_tree, hf_dhcpv6_bulk_leasequery_size, tvb, offset, 2, ENC_BIG_ENDIAN);
+ offset += 2;
+
+ msg_type = tvb_get_guint8( tvb, offset );
+ ti = proto_tree_add_item(bulk_tree, hf_dhcpv6_bulk_leasequery_msgtype, tvb, offset, 1, ENC_BIG_ENDIAN);
+ if ((msg_type != LEASEQUERY) &&
+ (msg_type != LEASEQUERY_REPLY) &&
+ (msg_type != LEASEQUERY_DONE) &&
+ (msg_type != LEASEQUERY_DATA))
+ expert_add_info_format(pinfo, ti, &ei_dhcpv6_bulk_leasequery_bad_msg_type,
+ "Message Type %d not allowed by DHCPv6 Bulk Leasequery", msg_type);
+
+ offset += 1;
+ proto_tree_add_item(bulk_tree, hf_dhcpv6_bulk_leasequery_reserved, tvb, offset, 1, ENC_BIG_ENDIAN);
+ offset += 1;
+
+ trans_id = tvb_get_ntohs(tvb, offset);
+ proto_tree_add_item(bulk_tree, hf_dhcpv6_bulk_leasequery_trans_id, tvb, offset, 2, ENC_BIG_ENDIAN);
+ offset += 2;
+
+ col_add_fstr(pinfo->cinfo, COL_INFO, "%s, Transaction ID: %5u",
+ val_to_str_ext_const(msg_type, &msgtype_vals_ext, "Unknown"), trans_id);
+
+ option_tree = proto_tree_add_subtree(bulk_tree, tvb, offset, -1, ett_dhcpv6_bulk_leasequery_options, NULL, "DHCPv6 Options");
+ end = size + 2;
+ while ((offset < end) && !at_end)
+ offset += dhcpv6_option(tvb, pinfo, option_tree, offset,
+ end, &at_end, proto_dhcpv6_bulk_leasequery, hpi, msg_type);
+
+ return tvb_reported_length(tvb);
+}
+
+static int
+dissect_dhcpv6_bulk_leasequery(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data)
+{
+ tcp_dissect_pdus(tvb, pinfo, tree, dhcpv6_bulk_leasequery_desegment, 2,
+ get_dhcpv6_bulk_leasequery_pdu_len, dissect_dhcpv6_bulk_leasequery_pdu, data);
+ return tvb_reported_length(tvb);
+}
+
+static int dissect_dhcpv6_s46_ipv6_prefix(tvbuff_t *tvb, int hf, int offset, int prefix_length, proto_tree *tree)
+{
+
+ int bytes_to_process;
+ ws_in6_addr prefix;
+
+ bytes_to_process = (((prefix_length + 7) & 0xf8) >> 3);
+
+ memset(prefix.bytes, 0, sizeof prefix.bytes);
+ if (bytes_to_process != 0) {
+ tvb_memcpy(tvb, prefix.bytes, offset, bytes_to_process);
+ }
+ proto_tree_add_ipv6(tree, hf, tvb, offset, bytes_to_process, &prefix);
+
+ return bytes_to_process;
+}
+
+void
+proto_register_dhcpv6(void)
+{
+ module_t *bulkquery_module;
+ module_t *dhcpv6_module;
+
+ static hf_register_info hf[] = {
+
+ /* DHCPv6 header */
+ { &hf_dhcpv6_msgtype,
+ { "Message type", "dhcpv6.msgtype", FT_UINT8, BASE_DEC | BASE_EXT_STRING, &msgtype_vals_ext, 0x0, NULL, HFILL }},
+ { &hf_dhcpv6_hopcount,
+ { "Hopcount", "dhcpv6.hopcount", FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL}},
+ { &hf_dhcpv6_xid,
+ { "Transaction ID", "dhcpv6.xid", FT_UINT24, BASE_HEX, NULL, 0, NULL, HFILL}},
+ { &hf_dhcpv6_linkaddr,
+ { "Link address", "dhcpv6.linkaddr", FT_IPv6, BASE_NONE, NULL, 0, NULL, HFILL}},
+ { &hf_dhcpv6_peeraddr,
+ { "Peer address", "dhcpv6.peeraddr", FT_IPv6, BASE_NONE, NULL, 0, NULL, HFILL}},
+ /* Generic option stuff */
+ { &hf_option_type_num,
+ { "Option", "dhcpv6.option.type", FT_UINT16, BASE_DEC | BASE_EXT_STRING, &opttype_vals_ext, 0x0, NULL, HFILL}},
+ { &hf_option_length,
+ { "Length", "dhcpv6.option.length", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL}},
+ { &hf_option_type_str,
+ { "Option", "dhcpv6.option.type_str", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL}},
+
+ /* OPTION_CLIENT_FQDN */
+ { &hf_clientfqdn_bad_msgtype,
+ { "Illegal Message Type", "dhcpv6.clientfqdn.bad_msgtype", FT_UINT8, BASE_HEX | BASE_EXT_STRING, &msgtype_vals_ext, 0x0, NULL, HFILL }},
+ { &hf_clientfqdn_flags,
+ { "Flags", "dhcpv6.client_fqdn_flags", FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL }},
+ /* Client's preferences */
+ { &hf_clientfqdn_client_s,
+ { "S bit", "dhcpv6.clientfqdn.client.s", FT_BOOLEAN, 8, TFS(&fqdn_s), 0x1,
+ "Whether or not the client prefers to perform AAAA RR (FQDN-to-address) updates", HFILL}},
+ { &hf_clientfqdn_client_n,
+ { "N bit", "dhcpv6.clientfqdn.client.n", FT_BOOLEAN, 8, TFS(&fqdn_n), 0x4,
+ "Whether or not the client prefers to perform PTR RR (address-to-FQDN) updates", HFILL}},
+ /* Server's decision to reject or accept the client's preferences */
+ { &hf_clientfqdn_server_s,
+ { "S bit", "dhcpv6.clientfqdn.server.s", FT_BOOLEAN, 8, TFS(&fqdn_s), 0x1,
+ "Whether or not the server SHALL perform AAAA RR (FQDN-to-address) updates", HFILL}},
+ { &hf_clientfqdn_server_o,
+ { "O bit", "dhcpv6.clientfqdn.server.o", FT_BOOLEAN, 8, TFS(&fqdn_o), 0x2,
+ "Whether or not the server has overridden the client's S-bit preference", HFILL}},
+ { &hf_clientfqdn_server_n,
+ { "N bit", "dhcpv6.clientfqdn.server.n", FT_BOOLEAN, 8, TFS(&fqdn_n), 0x4,
+ "Whether or not the server SHALL perform PTR RR (address-to-FQDN) updates", HFILL}},
+
+ /* Headers used in dhcpv6_domain(). */
+ { &hf_empty_domain_name,
+ { "Empty domain name - field length", "dhcpv6.domain_field_len", FT_UINT16, BASE_DEC, NULL, 0,
+ "Indicates that the client requests the server to provide an FQDN name", HFILL}},
+ { &hf_dhcpv6_non_dns_encoded_name,
+ { "Non-DNS encoded name. Label length exceeds 63", "dhcpv6.bogus_label_length",
+ FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL}},
+ { &hf_dhcpv6_domain_field_len_exceeded,
+ { "Remaining length in the domain name field exceeded", "dhcpv6.domain_field_len_exceeded", FT_UINT8, BASE_DEC,
+ NULL, 0, NULL, HFILL }},
+ { &hf_dhcpv6_decoded_portion,
+ { "Portion successfully decoded", "dhcpv6.decoded_portion", FT_STRING, BASE_NONE, NULL, 0, NULL, HFILL}},
+ { &hf_dhcpv6_encoded_fqdn_len_gt_255,
+ { "DNS-encoded labels of FQDN exceed 255 octets", "dhcpv6.encoded_fqdn_gt_255", FT_UINT16, BASE_DEC, NULL, 0,
+ "Encoded length is greater than 255 [RFC 1035 3.1.]", HFILL}},
+ { &hf_dhcpv6_root_only_domain_name,
+ { "Root only domain name", "dhcpv6.root_only_domain_name", FT_STRING, BASE_NONE, NULL, 0,
+ "The root domain cannot be resolved", HFILL}},
+ { &hf_dhcpv6_tld,
+ { "Top Level Domain name", "dhcpv6.tld", FT_STRING, BASE_NONE, NULL, 0,
+ "Likely to fail because most TLDs do not have an IP address", HFILL}},
+ { &hf_dhcpv6_partial_name_preceded_by_fqdn,
+ { "Partial name preceded by FQDN", "dhcpv6.partial_name_preceded_by_fqdn", FT_STRING, BASE_NONE, NULL, 0,
+ "Partial domain names must be the only name in the domain field", HFILL}},
+
+ { &hf_remoteid_enterprise,
+ { "Enterprise ID", "dhcpv6.remoteid.enterprise", FT_UINT32, BASE_ENTERPRISES, STRINGS_ENTERPRISES, 0, "RemoteID Enterprise Number", HFILL }},
+ { &hf_duid_bytes,
+ { "DUID", "dhcpv6.duid.bytes", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL}},
+ { &hf_duid_type,
+ { "DUID Type", "dhcpv6.duid.type", FT_UINT16, BASE_DEC, VALS(duidtype_vals), 0x0, NULL, HFILL}},
+ { &hf_duidllt_time,
+ { "DUID Time", "dhcpv6.duidllt.time", FT_ABSOLUTE_TIME, ABSOLUTE_TIME_LOCAL, NULL, 0x0, NULL, HFILL}},
+ { &hf_duidllt_link_layer_addr,
+ { "Link-layer address", "dhcpv6.duidllt.link_layer_addr", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL}},
+ { &hf_duidllt_link_layer_addr_ether,
+ { "Link-layer address (Ethernet)", "dhcpv6.duidllt.link_layer_addr_ether", FT_ETHER, BASE_NONE, NULL, 0x0, NULL, HFILL}},
+ { &hf_duidllt_hwtype,
+ { "Hardware type", "dhcpv6.duidllt.hwtype", FT_UINT16, BASE_DEC, VALS(arp_hrd_vals), 0, "DUID LLT Hardware Type", HFILL }},
+ { &hf_duidll_hwtype,
+ { "Hardware type", "dhcpv6.duidll.hwtype", FT_UINT16, BASE_DEC, VALS(arp_hrd_vals), 0, "DUID LL Hardware Type", HFILL }},
+ { &hf_duiden_enterprise,
+ { "Enterprise ID", "dhcpv6.duiden.enterprise", FT_UINT32, BASE_ENTERPRISES, STRINGS_ENTERPRISES, 0, "DUID EN Enterprise Number", HFILL }},
+ { &hf_duiden_identifier,
+ { "Identifier", "dhcpv6.duiden.identifier", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL}},
+ { &hf_duidll_link_layer_addr,
+ { "Link-layer address", "dhcpv6.duidll.link_layer_addr", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL}},
+ { &hf_duidll_link_layer_addr_ether,
+ { "Link-layer address (Ethernet)", "dhcpv6.duidll.link_layer_addr_ether", FT_ETHER, BASE_NONE, NULL, 0x0, NULL, HFILL}},
+ { &hf_duiduuid_bytes,
+ { "UUID", "dhcpv6.duiduuid.bytes", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL }},
+ { &hf_iaid,
+ { "IAID", "dhcpv6.iaid", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL}},
+ { &hf_iaid_t1,
+ { "T1", "dhcpv6.iaid.t1", FT_UINT32, BASE_DEC, NULL, 0, NULL, HFILL}},
+ { &hf_iaid_t2,
+ { "T2", "dhcpv6.iaid.t2", FT_UINT32, BASE_DEC, NULL, 0, NULL, HFILL}},
+ { &hf_iata,
+ { "IATA", "dhcpv6.iata", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL}},
+ { &hf_iaaddr_ip,
+ { "IPv6 address", "dhcpv6.iaaddr.ip", FT_IPv6, BASE_NONE, NULL, 0x0, NULL, HFILL}},
+ { &hf_iaaddr_pref_lifetime,
+ { "Preferred lifetime", "dhcpv6.iaaddr.pref_lifetime", FT_UINT32, BASE_DEC, NULL, 0, NULL, HFILL}},
+ { &hf_iaaddr_valid_lifetime,
+ { "Valid lifetime", "dhcpv6.iaaddr.valid_lifetime", FT_UINT32, BASE_DEC, NULL, 0, NULL, HFILL}},
+ { &hf_requested_option_code,
+ { "Requested Option code", "dhcpv6.requested_option_code", FT_UINT16, BASE_DEC | BASE_EXT_STRING, &opttype_vals_ext, 0, NULL, HFILL }},
+ { &hf_option_preference,
+ { "Pref-value", "dhcpv6.option_preference", FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL}},
+ { &hf_elapsed_time,
+ { "Elapsed time", "dhcpv6.elapsed_time", FT_UINT16, BASE_DEC|BASE_UNIT_STRING, &units_milliseconds, 0, NULL, HFILL}},
+ { &hf_auth_protocol,
+ { "Protocol", "dhcpv6.auth.protocol", FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL}},
+ { &hf_auth_algorithm,
+ { "Algorithm", "dhcpv6.auth.algorithm", FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL}},
+ { &hf_auth_rdm,
+ { "RDM", "dhcpv6.auth.rdm", FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL}},
+ { &hf_auth_replay_detection,
+ { "Replay Detection", "dhcpv6.auth.replay_detection", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL}},
+ { &hf_auth_info,
+ { "Authentication Information", "dhcpv6.auth.info", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL}},
+ { &hf_auth_realm,
+ { "DHCP realm", "dhcpv6.auth.realm", FT_STRING, BASE_NONE, NULL, 0, NULL, HFILL }},
+ { &hf_auth_key_id,
+ {"Key ID", "dhcpv6.auth.key_id", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL}},
+ { &hf_auth_md5_data,
+ {"HMAC-MD5 data", "dhcpv6.auth.md5_data", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL}},
+ { &hf_opt_unicast,
+ { "IPv6 address", "dhcpv6.unicast", FT_IPv6, BASE_NONE, NULL, 0x0, NULL, HFILL}},
+ { &hf_opt_status_code,
+ { "Status Code", "dhcpv6.status_code", FT_UINT16, BASE_DEC | BASE_EXT_STRING, &statuscode_vals_ext, 0, NULL, HFILL }},
+ { &hf_opt_status_msg,
+ { "Status Message", "dhcpv6.status_msg", FT_STRING, BASE_NONE, NULL, 0, NULL, HFILL }},
+ { &hf_vendorclass_enterprise,
+ { "Enterprise ID", "dhcpv6.vendorclass.enterprise", FT_UINT32, BASE_ENTERPRISES, STRINGS_ENTERPRISES, 0, "Vendor Class Enterprise Number", HFILL }},
+ { &hf_vendorclass_data,
+ { "vendor-class-data", "dhcpv6.vendorclass.data", FT_STRINGZ, BASE_NONE, NULL, 0, NULL, HFILL }},
+ { &hf_vendoropts_enterprise,
+ { "Enterprise ID", "dhcpv6.vendoropts.enterprise", FT_UINT32, BASE_ENTERPRISES, STRINGS_ENTERPRISES, 0, "Vendor opts Enterprise Number", HFILL }},
+ { &hf_vendoropts_enterprise_option_code,
+ { "Option code", "dhcpv6.vendoropts.enterprise.option_code", FT_UINT16, BASE_DEC, NULL, 0, NULL, HFILL }},
+ { &hf_vendoropts_enterprise_option_length,
+ { "Option length", "dhcpv6.vendoropts.enterprise.option_length", FT_UINT16, BASE_DEC, NULL, 0, NULL, HFILL }},
+ { &hf_vendoropts_enterprise_option_data,
+ { "Option data", "dhcpv6.vendoropts.enterprise.option_data", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL}},
+ { &hf_interface_id,
+ { "Interface-ID", "dhcpv6.interface_id", FT_BYTES, BASE_NONE, NULL, 0, NULL, HFILL }},
+ { &hf_reconf_msg,
+ { "Reconfigure message type", "dhcpv6.reconf_msg", FT_UINT8, BASE_DEC | BASE_EXT_STRING, &msgtype_vals_ext, 0, NULL, HFILL }},
+ { &hf_sip_server_domain_search_fqdn,
+ { "SIP Server Domain Search FQDN", "dhcpv6.sip_server_domain_search_fqdn", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL }},
+ { &hf_sip_server_a,
+ { "SIP server address", "dhcpv6.sip_server_a", FT_IPv6, BASE_NONE, NULL, 0x0, NULL, HFILL}},
+ { &hf_dns_servers,
+ { "DNS server address", "dhcpv6.dns_server", FT_IPv6, BASE_NONE, NULL, 0x0, NULL, HFILL}},
+ { &hf_domain_search_list_entry,
+ { "List entry", "dhcpv6.search_list_entry", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL }},
+ { &hf_nis_servers,
+ { "NIS server address", "dhcpv6.nis_server", FT_IPv6, BASE_NONE, NULL, 0x0, NULL, HFILL}},
+ { &hf_nisp_servers,
+ { "NISP server address", "dhcpv6.nisp_server", FT_IPv6, BASE_NONE, NULL, 0x0, NULL, HFILL}},
+ { &hf_nis_fqdn,
+ { "NIS FQDN", "dhcpv6.nis_fqdn", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL }},
+ { &hf_nisp_fqdn,
+ { "NISP FQDN", "dhcpv6.nisp_fqdn", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL }},
+ { &hf_sntp_servers,
+ { "SNTP server address", "dhcpv6.sntp_server", FT_IPv6, BASE_NONE, NULL, 0x0, NULL, HFILL}},
+ { &hf_opt_lifetime,
+ { "Lifetime", "dhcpv6.lifetime", FT_UINT32, BASE_DEC, NULL, 0, NULL, HFILL}},
+ { &hf_bcmcs_servers_fqdn,
+ { "BCMCS server FQDN", "dhcpv6.bcmcs_server_fqdn", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL }},
+ { &hf_bcmcs_servers_a,
+ { "BCMCS server address", "dhcpv6.bcmcs_server_a", FT_IPv6, BASE_NONE, NULL, 0x0, NULL, HFILL}},
+ { &hf_remoteid_enterprise_id,
+ { "Remote-ID", "dhcpv6.remoteid_enterprise_id", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL}},
+ { &hf_subscriber_id,
+ { "Subscriber-ID", "dhcpv6.subscriber_id", FT_STRING, BASE_NONE, NULL, 0, NULL, HFILL }},
+ { &hf_client_fqdn,
+ { "Client Domain Name", "dhcpv6.client_domain", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL } },
+ { &hf_pana_agent,
+ { "PANA agents address", "dhcpv6.pana_agent", FT_IPv6, BASE_NONE, NULL, 0x0, NULL, HFILL}},
+ { &hf_opt_timezone,
+ { "Time-zone", "dhcpv6.timezone", FT_STRING, BASE_NONE, NULL, 0, NULL, HFILL }},
+ { &hf_opt_tzdb,
+ { "TZ-database", "dhcpv6.tzdb", FT_STRING, BASE_NONE, NULL, 0, NULL, HFILL }},
+ { &hf_lq_query,
+ { "Query-type", "dhcpv6.lq_query", FT_UINT8, BASE_DEC, VALS(lq_query_vals), 0, NULL, HFILL }},
+ { &hf_lq_query_link_address,
+ { "Link address", "dhcpv6.lq_query_link_address", FT_IPv6, BASE_NONE, NULL, 0x0, NULL, HFILL}},
+ { &hf_clt_time,
+ { "Clt_time", "dhcpv6.clt_time", FT_UINT32, BASE_DEC, NULL, 0, NULL, HFILL}},
+ { &hf_lq_relay_data_peer_addr,
+ { "Peer address", "dhcpv6.lq_relay_data_peer_addr", FT_IPv6, BASE_NONE, NULL, 0x0, NULL, HFILL}},
+ { &hf_lq_relay_data_msg,
+ { "DHCPv6 relay message", "dhcpv6.lq_relay_data_msg", FT_STRING, BASE_NONE, NULL, 0, NULL, HFILL }},
+ { &hf_lq_client_link,
+ { "LQ client links address", "dhcpv6.lq_client_link", FT_IPv6, BASE_NONE, NULL, 0x0, NULL, HFILL}},
+ { &hf_capwap_ac_v6,
+ { "CAPWAP Access Controllers address", "dhcpv6.capwap_ac_v6", FT_IPv6, BASE_NONE, NULL, 0x0, NULL, HFILL}},
+ { &hf_aftr_name,
+ { "DS-Lite AFTR Name", "dhcpv6.aftr_name", FT_STRING, BASE_NONE, NULL, 0, NULL, HFILL }},
+ { &hf_iaprefix_pref_lifetime,
+ { "Preferred lifetime", "dhcpv6.iaprefix.pref_lifetime", FT_UINT32, BASE_DEC, NULL, 0, NULL, HFILL}},
+ { &hf_iaprefix_valid_lifetime,
+ { "Valid lifetime", "dhcpv6.iaprefix.valid_lifetime", FT_UINT32, BASE_DEC, NULL, 0, NULL, HFILL}},
+ { &hf_iaprefix_pref_len,
+ { "Prefix length", "dhcpv6.iaprefix.pref_len", FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL }},
+ { &hf_iaprefix_pref_addr,
+ { "Prefix address", "dhcpv6.iaprefix.pref_addr", FT_IPv6, BASE_NONE, NULL, 0x0, NULL, HFILL}},
+ { &hf_mip6_ha,
+ { "Home Agent", "dhcpv6.mip6_home_agent", FT_IPv6, BASE_NONE, NULL, 0x0, NULL, HFILL}},
+ { &hf_mip6_hoa,
+ { "Home Address", "dhcpv6.mip6_home_address", FT_IPv6, BASE_NONE, NULL, 0x0, NULL, HFILL}},
+ { &hf_nai,
+ { "NAI", "dhcpv6.nai", FT_STRING, BASE_NONE, NULL, 0, NULL, HFILL }},
+ { &hf_pd_exclude_pref_len,
+ { "Prefix length", "dhcpv6.pd_exclude.pref_len", FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL }},
+ { &hf_pd_exclude_subnet_id,
+ { "IPv6 subnet ID", "dhcpv6.pd_exclude.subnet_id", FT_BYTES, BASE_NONE, NULL, 0, NULL, HFILL }},
+ { &hf_option_userclass_length,
+ { "Length", "dhcpv6.userclass.length", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL}},
+ { &hf_option_userclass_opaque_data,
+ { "Suboption", "dhcpv6.userclass.opaque_data", FT_BYTES, BASE_NONE, NULL, 0, NULL, HFILL}},
+ { &hf_option_ntpserver_type,
+ { "Suboption", "dhcpv6.ntpserver.option.type", FT_UINT16, BASE_DEC, VALS(ntp_server_opttype_vals), 0x0, NULL, HFILL}},
+ { &hf_option_ntpserver_length,
+ { "Length", "dhcpv6.ntpserver.option.length", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL}},
+ { &hf_option_ntpserver_addr,
+ { "NTP Server Address", "dhcpv6.ntpserver.addr", FT_IPv6, BASE_NONE, NULL, 0x0, NULL, HFILL}},
+ { &hf_option_ntpserver_mc_addr,
+ { "NTP Multicast Address", "dhcpv6.ntpserver.mc_addr", FT_IPv6, BASE_NONE, NULL, 0x0, NULL, HFILL}},
+ { &hf_option_captive_portal,
+ { "Captive Portal", "dhcpv6.captive_portal", FT_STRING, BASE_NONE, NULL, 0x0, "The contact URI for the captive portal that the user should connect to", HFILL }},
+ { &hf_option_s46_option_code,
+ { "S46 Option code", "dhcpv6.option_code", FT_UINT16, BASE_HEX, VALS(s46_opt_code_vals), 0x0, NULL, HFILL }},
+ { &hf_option_failover_binding_status,
+ { "Failover Binding Status", "dhcpv6.failover.binding_status", FT_UINT8, BASE_DEC, VALS(failover_binding_status_vals), 0x0, NULL, HFILL }},
+ { &hf_option_failover_connect_flags,
+ { "Flags", "dhcpv6.failover.connect.flags", FT_UINT16, BASE_HEX, NULL, 0, NULL, HFILL }},
+ { &hf_option_failover_connect_reserved_flag,
+ { "Reserved", "dhcpv6.failover.connect.flags.reserved", FT_BOOLEAN, 16, NULL, 0xfffe, NULL, HFILL }},
+ { &hf_option_failover_connect_f_flag,
+ { "Fixed PD Length (F)", "dhcpv6.failover.connect.flags.f", FT_BOOLEAN, 16, NULL, 0x0001, NULL, HFILL }},
+ { &hf_option_failover_dns_hostname,
+ { "DNS Hostname", "dhcpv6.failover.dns_hostname", FT_STRING, BASE_NONE, NULL, 0, NULL, HFILL }},
+ { &hf_option_failover_dns_zonename,
+ { "DNS Zone Name", "dhcpv6.failover.dns_zonename", FT_STRING, BASE_NONE, NULL, 0, NULL, HFILL }},
+ { &hf_option_failover_dns_flags,
+ { "Flags", "dhcpv6.failover.dns.flags", FT_UINT16, BASE_HEX, NULL, 0, NULL, HFILL }},
+ { &hf_option_failover_dns_reserved_flag,
+ { "Reserved", "dhcpv6.failover.dns.flags.reserved", FT_BOOLEAN, 16, NULL, 0xfff0, NULL, HFILL }},
+ { &hf_option_failover_dns_u_flag,
+ { "Using Requested FQDN (U)", "dhcpv6.failover.dns.flags.u", FT_BOOLEAN, 16, NULL, 0x0008, NULL, HFILL }},
+ { &hf_option_failover_dns_s_flag,
+ { "Synthesized Name (S)", "dhcpv6.failover.dns.flags.s", FT_BOOLEAN, 16, NULL, 0x0004, NULL, HFILL }},
+ { &hf_option_failover_dns_r_flag,
+ { "Rev Uptodate (R)", "dhcpv6.failover.dns.flags.r", FT_BOOLEAN, 16, NULL, 0x0002, NULL, HFILL }},
+ { &hf_option_failover_dns_f_flag,
+ { "Fwd Uptodate (F)", "dhcpv6.failover.dns.flags.f", FT_BOOLEAN, 16, NULL, 0x0001, NULL, HFILL }},
+ { &hf_option_failover_expiration_time,
+ { "Expiration Time", "dhcpv6.failover.expiration_time", FT_UINT32, BASE_DEC, NULL, 0, NULL, HFILL }},
+ { &hf_option_failover_max_unacked_bndupd,
+ { "Max number of unacked BNDUPD messages", "dhcpv6.failover.max_unacked_bndupd", FT_UINT32, BASE_DEC, NULL, 0, NULL, HFILL }},
+ { &hf_option_failover_mclt,
+ { "Maximum Client Lead Time (MCLT)", "dhcpv6.failover.mclt", FT_UINT32, BASE_DEC, NULL, 0, NULL, HFILL }},
+ { &hf_option_failover_partner_lifetime,
+ { "Partner Lifetime", "dhcpv6.failover.partner_lifetime", FT_UINT32, BASE_DEC, NULL, 0, NULL, HFILL }},
+ { &hf_option_failover_partner_lifetime_sent,
+ { "Partner Lifetime Sent", "dhcpv6.failover.partner_lifetime_sent", FT_UINT32, BASE_DEC, NULL, 0, NULL, HFILL }},
+ { &hf_option_failover_partner_downtime,
+ { "Partner Down Time", "dhcpv6.failover.partner_down_time", FT_UINT32, BASE_DEC, NULL, 0, NULL, HFILL }},
+ { &hf_option_failover_partner_raw_clt_time,
+ { "Partner Raw Client Time", "dhcpv6.failover.partner_raw_clt_time", FT_UINT32, BASE_DEC, NULL, 0, NULL, HFILL }},
+ { &hf_option_failover_major_version,
+ { "Protocol Major Version", "dhcpv6.failover.protocol.major_version", FT_UINT16, BASE_DEC, NULL, 0, NULL, HFILL }},
+ { &hf_option_failover_minor_version,
+ { "Protocol Minor Version", "dhcpv6.failover.protocol.minor_version", FT_UINT16, BASE_DEC, NULL, 0, NULL, HFILL }},
+ { &hf_option_failover_keepalive_time,
+ { "Keepalive Time", "dhcpv6.failover.keepalive_time", FT_UINT32, BASE_DEC, NULL, 0, NULL, HFILL }},
+ { &hf_option_failover_reconfigure_time,
+ { "Reconfigure Time", "dhcpv6.failover.reconfigure_time", FT_UINT32, BASE_DEC, NULL, 0, NULL, HFILL }},
+ { &hf_option_failover_reconfigure_key,
+ { "Reconfigure Key", "dhcpv6.failover.reconfigure_key", FT_BYTES, BASE_NONE, NULL, 0, NULL, HFILL }},
+ { &hf_option_failover_relationship_name,
+ { "Relationship Name", "dhcpv6.failover.relationship_name", FT_STRING, BASE_NONE, NULL, 0, NULL, HFILL }},
+ { &hf_option_failover_server_flags,
+ { "Flags", "dhcpv6.failover.server.flags", FT_UINT8, BASE_HEX, NULL, 0, NULL, HFILL }},
+ { &hf_option_failover_server_reserved_flag,
+ { "Reserved", "dhcpv6.failover.server.flags.reserved", FT_BOOLEAN, 8, NULL, 0xf8, NULL, HFILL }},
+ { &hf_option_failover_server_a_flag,
+ { "Ack Startup (A)", "dhcpv6.failover.server.flags.a", FT_BOOLEAN, 8, NULL, 0x04, NULL, HFILL }},
+ { &hf_option_failover_server_s_flag,
+ { "Startup (S)", "dhcpv6.failover.server.flags.s", FT_BOOLEAN, 8, NULL, 0x02, NULL, HFILL }},
+ { &hf_option_failover_server_c_flag,
+ { "Communicated (C)", "dhcpv6.failover.server.flags.c", FT_BOOLEAN, 8, NULL, 0x01, NULL, HFILL }},
+ { &hf_option_failover_server_state,
+ { "Server State", "dhcpv6.failover.server_state", FT_UINT8, BASE_DEC, VALS(failover_server_state_vals), 0, NULL, HFILL }},
+ { &hf_option_failover_start_time_of_state,
+ { "Start Time of State", "dhcpv6.failover.start_time_of_state", FT_UINT32, BASE_DEC, NULL, 0, NULL, HFILL }},
+ { &hf_option_failover_state_expiration_time,
+ { "State Expiration Time", "dhcpv6.failover.state_expiration_time", FT_UINT32, BASE_DEC, NULL, 0, NULL, HFILL }},
+ { &hf_option_relay_port,
+ { "Downstream Source Port", "dhcpv6.relay_port", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }},
+ { &hf_option_ntpserver_fqdn,
+ { "NTP Server FQDN", "dhcpv6.ntpserver.fqdn", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL }},
+ { &hf_packetcable_ccc_suboption,
+ { "Sub element", "dhcpv6.packetcable.ccc.suboption", FT_UINT16, BASE_DEC, VALS(pkt_ccc_opt_vals), 0, NULL, HFILL }},
+ { &hf_packetcable_ccc_pri_dhcp,
+ { "Primary DHCP", "dhcpv6.packetcable.ccc.pri_dhcp", FT_IPv4, BASE_NONE, NULL, 0, NULL, HFILL }},
+ { &hf_packetcable_ccc_sec_dhcp,
+ { "Secondary DHCP", "dhcpv6.packetcable.ccc.sec_dhcp", FT_IPv4, BASE_NONE, NULL, 0, NULL, HFILL }},
+ { &hf_packetcable_cccV6_suboption,
+ { "Sub element", "dhcpv6.packetcable.cccV6.suboption", FT_UINT16, BASE_DEC | BASE_EXT_STRING, &pkt_cccV6_opt_vals_ext, 0, NULL, HFILL }},
+ { &hf_modem_capabilities_encoding_type,
+ { "Type", "dhcpv6.docsis.cccV6.tlv5.suboption", FT_UINT16, BASE_DEC | BASE_EXT_STRING, &modem_capabilities_encoding_ext, 0, NULL, HFILL }},
+ { &hf_eue_capabilities_encoding_type,
+ { "Type", "dhcpv6.packetcable.cccV6.tlv5.suboption", FT_UINT16, BASE_DEC | BASE_EXT_STRING, &eue_capabilities_encoding_ext, 0, NULL, HFILL }},
+ { &hf_capabilities_encoding_length,
+ { "Length", "dhcpv6.cccV6.tlv5.suboption.length", FT_UINT16, BASE_DEC, NULL, 0, NULL, HFILL }},
+ { &hf_capabilities_encoding_bytes,
+ { "Value", "dhcpv6.cccV6.tlv5.suboption.value", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL }},
+ { &hf_capabilities_encoding_number,
+ { "Value", "dhcpv6.cccV6.tlv5.suboption.value_number", FT_UINT16, BASE_DEC, NULL, 0, NULL, HFILL }},
+ { &hf_packetcable_cccV6_pri_dss,
+ { "Primary SSID", "dhcpv6.packetcable.cccV6.pri_dss", FT_STRINGZ, BASE_NONE, NULL, 0, NULL, HFILL }},
+ { &hf_packetcable_cccV6_sec_dss,
+ { "Secondary SSID", "dhcpv6.packetcable.cccV6.sec_dss", FT_STRINGZ, BASE_NONE, NULL, 0, NULL, HFILL }},
+ { &hf_packetcable_cccV6_prov_srv_type,
+ { "Type", "dhcpv6.packetcable.cccV6.prov_srv.type", FT_UINT8, BASE_DEC, VALS(pkt_cccV6_prov_srv_type_vals), 0, NULL, HFILL }},
+ { &hf_packetcable_cccV6_prov_srv_fqdn,
+ { "FQDN", "dhcpv6.packetcable.cccV6.prov_srv.fqdn", FT_STRING, BASE_NONE, NULL, 0, NULL, HFILL }},
+ { &hf_packetcable_cccV6_prov_srv_ipv6,
+ { "IPv6 address", "dhcpv6.packetcable.cccV6.prov_srv.ipv6", FT_IPv6, BASE_NONE, NULL, 0, NULL, HFILL }},
+ { &hf_packetcable_cccV6_as_krb_nominal_timeout,
+ { "Nominal Timeout", "dhcpv6.packetcable.cccV6.as_krb.nominal_timeout", FT_UINT32, BASE_DEC, NULL, 0, NULL, HFILL }},
+ { &hf_packetcable_cccV6_as_krb_max_timeout,
+ { "Maximum Timeout", "dhcpv6.packetcable.cccV6.as_krb.max_timeout", FT_UINT32, BASE_DEC, NULL, 0, NULL, HFILL }},
+ { &hf_packetcable_cccV6_as_krb_max_retry_count,
+ { "Maximum Retry Count", "dhcpv6.packetcable.cccV6.as_krb.max_retry_count", FT_UINT32, BASE_DEC, NULL, 0, NULL, HFILL }},
+ { &hf_packetcable_cccV6_ap_krb_nominal_timeout,
+ { "Nominal Timeout", "dhcpv6.packetcable.cccV6.ap_krb.nominal_timeout", FT_UINT32, BASE_DEC, NULL, 0, NULL, HFILL }},
+ { &hf_packetcable_cccV6_ap_krb_max_timeout,
+ { "Maximum Timeout", "dhcpv6.packetcable.cccV6.ap_krb.max_timeout", FT_UINT32, BASE_DEC, NULL, 0, NULL, HFILL }},
+ { &hf_packetcable_cccV6_ap_krb_max_retry_count,
+ { "Maximum Retry Count", "dhcpv6.packetcable.cccV6.ap_krb.max_retry_count", FT_UINT32, BASE_DEC, NULL, 0, NULL, HFILL }},
+ { &hf_packetcable_cccV6_krb_realm,
+ { "KRB Realm", "dhcpv6.packetcable.cccV6.krb_realm", FT_STRING, BASE_NONE, NULL, 0, NULL, HFILL }},
+ { &hf_packetcable_cccV6_tgt_flag,
+ { "TGT Flags", "dhcpv6.packetcable.cccV6.tgt_flag", FT_UINT8, BASE_HEX, NULL, 0, NULL, HFILL }},
+ { &hf_packetcable_cccV6_tgt_flag_fetch,
+ { "Fetch TGT", "dhcpv6.packetcable.cccV6.tgt_flag.fetch", FT_BOOLEAN, 8, NULL, 0x01, NULL, HFILL }},
+ { &hf_packetcable_cccV6_prov_timer,
+ { "Provisioning timer", "dhcpv6.packetcable.cccV6.prov_timer", FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL }},
+ { &hf_packetcable_cccV6_sec_tcm,
+ { "SEC TCM Flags", "dhcpv6.packetcable.cccV6.sec_tcm", FT_UINT16, BASE_HEX, NULL, 0, NULL, HFILL }},
+ { &hf_packetcable_cccV6_sec_tcm_provisioning_server,
+ { "Provisioning Server", "dhcpv6.packetcable.cccV6.sec_tcm.provisioning_server", FT_BOOLEAN, 16, TFS(&tfs_on_off), 0x0001, NULL, HFILL }},
+ { &hf_packetcable_cccV6_sec_tcm_call_manager_server,
+ { "Call Manager Servers", "dhcpv6.packetcable.cccV6.tgt_flag.call_manager_server", FT_BOOLEAN, 16, TFS(&tfs_on_off), 0x0002, NULL, HFILL }},
+ { &hf_cablelabs_opts,
+ { "Suboption", "dhcpv6.cablelabs.opt", FT_UINT16, BASE_DEC | BASE_EXT_STRING, &cl_vendor_subopt_values_ext, 0, NULL, HFILL }},
+ { &hf_cablelabs_ipv6_server,
+ { "IPv6 address", "dhcpv6.cablelabs.ipv6_server", FT_IPv6, BASE_NONE, NULL, 0x0, NULL, HFILL}},
+ { &hf_cablelabs_docsis_version_number,
+ { "DOCSIS Version Number", "dhcpv6.cablelabs.docsis_version_number", FT_UINT16, BASE_CUSTOM, CF_FUNC(cablelabs_fmt_docsis_version), 0x0, NULL, HFILL}},
+ { &hf_cablelabs_dpoe_server_version_number,
+ { "DPoE Server Version Number", "dhcpv6.cablelabs.dpoe_server_version_number", FT_UINT16, BASE_CUSTOM, CF_FUNC(cablelabs_fmt_dpoe_server_version), 0x0, NULL, HFILL}},
+ { &hf_cablelabs_interface_id,
+ { "Interface-ID", "dhcpv6.cablelabs.interface_id", FT_STRING, BASE_NONE, NULL, 0, NULL, HFILL }},
+ { &hf_cablelabs_interface_id_link_address,
+ { "Link Address", "dhcpv6.cablelabs.interface_id_link_address", FT_STRING, BASE_NONE, NULL, 0, NULL, HFILL }},
+ { &hf_option_s46_rule_flags,
+ { "Flags", "dhcpv6.s46_rule.flags", FT_UINT8, BASE_HEX, NULL, 0, NULL, HFILL }},
+ { &hf_option_s46_rule_reserved_flag,
+ { "Reserved", "dhcpv6.s46_rule.flags.reserved", FT_BOOLEAN, 8, NULL, 0xfe, NULL, HFILL }},
+ { &hf_option_s46_rule_fmr_flag,
+ { "Forwarding Mapping Rule", "dhcpv6.s46_rule.flags.fmr", FT_BOOLEAN, 8, NULL, 0x01, NULL, HFILL }},
+ { &hf_option_s46_rule_ea_len,
+ { "EA-bit length", "dhcpv6.s46_rule.ea_len", FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL }},
+ { &hf_option_s46_rule_ipv4_pref_len,
+ { "IPv4 prefix length", "dhcpv6.s46_rule.ipv4_pref_len", FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL }},
+ { &hf_option_s46_rule_ipv4_prefix,
+ { "IPv4 prefix", "dhcpv6.s46_rule.ipv4_prefix", FT_IPv4, BASE_NONE, NULL, 0, NULL, HFILL }},
+ { &hf_option_s46_rule_ipv6_pref_len,
+ { "IPv6 prefix length", "dhcpv6.s46_rule.ipv6_prefix_len", FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL }},
+ { &hf_option_s46_rule_ipv6_prefix,
+ { "IPv6 prefix", "dhcpv6.s46_rule.ipv6_prefix", FT_IPv6, BASE_NONE, NULL, 0, NULL, HFILL }},
+ { &hf_option_s46_br_address,
+ { "BR address", "dhcpv6.s46_br.address", FT_IPv6, BASE_NONE, NULL, 0, NULL, HFILL }},
+ { &hf_option_s46_dmr_pref_len,
+ { "IPv6 prefix length", "dhcpv6.s46_dmr.dmr_pref_len", FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL }},
+ { &hf_option_s46_dmr_prefix,
+ { "IPv6 prefix", "dhcpv6.s46_dmr.dmr_prefix", FT_IPv6, BASE_NONE, NULL, 0, NULL, HFILL }},
+ { &hf_option_s46_v4v6bind_ipv4_address,
+ { "IPv4 Address", "dhcpv6.s46_v4v6bind.ipv4_address", FT_IPv4, BASE_NONE, NULL, 0, NULL, HFILL }},
+ { &hf_option_s46_v4v6bind_ipv6_pref_len,
+ { "IPv6 prefix length", "dhcpv6.s46_v4v6bind.ipv6_pref_len", FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL }},
+ { &hf_option_s46_v4v6bind_ipv6_prefix,
+ { "IPv6 prefix", "dhcpv6.s46_v4v6bind.ipv6_prefix", FT_IPv6, BASE_NONE, NULL, 0, NULL, HFILL }},
+ { &hf_option_s46_portparam_offset,
+ { "Offset", "dhcpv6.s46_portparam.offset", FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL }},
+ { &hf_option_s46_portparam_psid_len,
+ { "PSID length", "dhcpv6.s46_portparam.psid_len", FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL }},
+ { &hf_option_s46_portparam_psid,
+ { "PSID", "dhcpv6.s46_portparam.psid", FT_UINT16, BASE_DEC, NULL, 0, NULL, HFILL }},
+ { &hf_opt_mudurl,
+ { "MUDURL", "dhcpv6.mudurl", FT_STRING, BASE_NONE, NULL, 0, NULL, HFILL }},
+ { &hf_client_link_layer_addr,
+ { "Link-layer address", "dhcpv6.client_link_layer_addr", FT_STRING, BASE_NONE, NULL, 0x0, NULL, HFILL}},
+ { &hf_client_link_layer_addr_ether,
+ { "Link-layer address (Ethernet)", "dhcpv6.client_link_layer_addr_ether", FT_ETHER, BASE_NONE, NULL, 0x0, NULL, HFILL}},
+ { &hf_client_link_layer_addr_hwtype,
+ { "Hardware type", "dhcpv6.client_link_layer_addr_hwtype", FT_UINT16, BASE_DEC, VALS(arp_hrd_vals), 0, NULL, HFILL }},
+ };
+
+ static gint *ett[] = {
+ &ett_dhcpv6,
+ &ett_dhcpv6_option,
+ &ett_dhcpv6_option_vsoption,
+ &ett_dhcpv6_vendor_option,
+ &ett_dhcpv6_pkt_option,
+ &ett_dhcpv6_userclass_option,
+ &ett_dhcpv6_netserver_option,
+ &ett_dhcpv6_tlv5_type,
+ &ett_dhcpv6_sip_server_domain_search_list_option,
+ &ett_dhcpv6_dns_domain_search_list_option,
+ &ett_dhcpv6_nis_domain_name_option,
+ &ett_dhcpv6_nisp_domain_name_option,
+ &ett_dhcpv6_bcmcs_servers_domain_search_list_option,
+ &ett_dhcpv6_s46_rule_flags,
+ &ett_dhcpv6_failover_connect_flags,
+ &ett_dhcpv6_failover_dns_flags,
+ &ett_dhcpv6_failover_server_flags,
+ &ett_clientfqdn_flags,
+ &ett_clientfqdn_expert
+ };
+
+ static ei_register_info ei[] = {
+ { &ei_dhcpv6_bogus_length, { "dhcpv6.bogus_length", PI_MALFORMED, PI_ERROR, "Bogus length", EXPFILL }},
+ { &ei_dhcpv6_malformed_option, { "dhcpv6.malformed_option", PI_MALFORMED, PI_ERROR, "Malformed option", EXPFILL }},
+ { &ei_dhcpv6_no_suboption_len, { "dhcpv6.no_suboption_len", PI_PROTOCOL, PI_WARN,
+ "no room left in option for suboption length", EXPFILL }},
+ { &ei_dhcpv6_invalid_time_value, { "dhcpv6.invalid_time_value", PI_PROTOCOL, PI_WARN, "Invalid time value", EXPFILL }},
+ { &ei_dhcpv6_invalid_type, { "dhcpv6.invalid_type", PI_PROTOCOL, PI_WARN, "Invalid type", EXPFILL }},
+ { &ei_dhcpv6_error_hopcount, { "dhcpv6.error_hopcount", PI_PROTOCOL, PI_WARN, "Detected error on hop-count", EXPFILL }},
+ { &ei_dhcpv6_clientfqdn_bad_msgtype, { "dhcpv6.bad_msgtype", PI_PROTOCOL, PI_ERROR,
+ "This message type is not permitted to use OPTION_CLIENT_FQDN", EXPFILL }},
+ { &ei_dhcpv6_s_bit_should_be_zero, { "dhcpv6.s_bit_should_be_zero", PI_PROTOCOL, PI_ERROR,
+ "ERROR: When the N-bit is set, the S-bit must be reset", EXPFILL }},
+ /*
+ * FQDN-related errors in dhcpv6_domain() */
+ { &ei_dhcpv6_non_dns_encoded_name, { "dhcpv6.expert.name_not_dns_encoded", PI_PROTOCOL, PI_ERROR,
+ "ERROR: This name is not a DNS record encoded", EXPFILL }},
+ { &ei_dhcpv6_domain_field_len_exceeded, { "dhcpv6.expert.domain_field_length_exceeded", PI_MALFORMED, PI_ERROR,
+ "ERROR: FQDN exceeds length of the domain name field", EXPFILL }},
+ { &ei_dhcpv6_encoded_fqdn_len_gt_255, { "dhcpv6.expert.encoded_fqdn_gt_255", PI_MALFORMED, PI_ERROR,
+ "ERROR: FQDN's *encoded* length exceeds 255 octets [RFC 1035 3.1.]", EXPFILL }},
+ { &ei_dhcpv6_root_only_domain_name, { "dhcpv6.expert.root_only_domain_name", PI_PROTOCOL, PI_ERROR,
+ "ERROR: A root-only domain name cannot be resolved.", EXPFILL }},
+ { &ei_dhcpv6_tld_lookup, { "dhcpv6.expert.tld_lookup", PI_COMMENTS_GROUP, PI_WARN,
+ "WARNING: TLDs are rarely resolvable ", EXPFILL }},
+ { &ei_dhcpv6_partial_name_preceded_by_fqdn, { "dhcpv6.expert.partial_name_preceded_by_fqdn", PI_PROTOCOL, PI_ERROR,
+ "ERROR: Partial name is preceded by an FQDN", EXPFILL }},
+ };
+
+ static hf_register_info bulk_leasequery_hf[] = {
+ { &hf_dhcpv6_bulk_leasequery_size,
+ { "Message size", "dhcpv6.bulk_leasequery.size", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }},
+ { &hf_dhcpv6_bulk_leasequery_msgtype,
+ { "Message type", "dhcpv6.bulk_leasequery.msgtype", FT_UINT8, BASE_DEC | BASE_EXT_STRING, &msgtype_vals_ext, 0x0, NULL, HFILL }},
+ { &hf_dhcpv6_bulk_leasequery_reserved,
+ { "Reserved", "dhcpv6.bulk_leasequery.reserved", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL }},
+ { &hf_dhcpv6_bulk_leasequery_trans_id,
+ { "Transaction ID", "dhcpv6.bulk_leasequery.trans_id", FT_UINT16, BASE_DEC, NULL, 0x0, NULL, HFILL }},
+ };
+
+ static gint *ett_bulk_leasequery[] = {
+ &ett_dhcpv6_bulk_leasequery,
+ &ett_dhcpv6_bulk_leasequery_options
+ };
+
+ static ei_register_info ei_bulk_leasequery[] = {
+ { &ei_dhcpv6_bulk_leasequery_bad_query_type, { "dhcpv6.bulk_leasequery.bad_query_type", PI_MALFORMED, PI_WARN, "LQ-QUERY: Query types only supported by Bulk Leasequery", EXPFILL }},
+ { &ei_dhcpv6_bulk_leasequery_bad_msg_type, { "dhcpv6.bulk_leasequery.bad_msg_type", PI_MALFORMED, PI_WARN, "Message Type %d not allowed by DHCPv6 Bulk Leasequery", EXPFILL }},
+ };
+
+ expert_module_t *expert_dhcpv6;
+ expert_module_t *expert_dhcpv6_bulk_leasequery;
+
+ proto_dhcpv6 = proto_register_protocol("DHCPv6", "DHCPv6", "dhcpv6");
+ proto_register_field_array(proto_dhcpv6, hf, array_length(hf));
+ proto_register_subtree_array(ett, array_length(ett));
+
+ expert_dhcpv6 = expert_register_protocol(proto_dhcpv6);
+ expert_register_field_array(expert_dhcpv6, ei, array_length(ei));
+
+ proto_dhcpv6_bulk_leasequery = proto_register_protocol("DHCPv6 Bulk Leasequery", "DHCPv6 Bulk Leasequery", "dhcpv6.bulk_leasequery");
+ register_dissector("dhcpv6.bulk_leasequery", dissect_dhcpv6_bulk_leasequery,
+ proto_dhcpv6_bulk_leasequery);
+ proto_register_field_array(proto_dhcpv6_bulk_leasequery, bulk_leasequery_hf, array_length(bulk_leasequery_hf));
+ proto_register_subtree_array(ett_bulk_leasequery, array_length(ett_bulk_leasequery));
+
+ expert_dhcpv6_bulk_leasequery = expert_register_protocol(proto_dhcpv6_bulk_leasequery);
+ expert_register_field_array(expert_dhcpv6_bulk_leasequery, ei_bulk_leasequery, array_length(ei_bulk_leasequery));
+
+ /* Allow other dissectors to find this one by name. */
+ dhcpv6_handle = register_dissector("dhcpv6", dissect_dhcpv6_stream, proto_dhcpv6);
+
+ dhcpv6_module = prefs_register_protocol(proto_dhcpv6, NULL);
+ prefs_register_bool_preference(dhcpv6_module, "cablelabs_interface_id",
+ "Dissect Option 18 (Interface-Id) as CableLab option",
+ "Whether Option 18 is dissected as CableLab or RFC 3315",
+ &cablelabs_interface_id);
+
+ bulkquery_module = prefs_register_protocol(proto_dhcpv6_bulk_leasequery, NULL);
+ prefs_register_bool_preference(bulkquery_module, "desegment",
+ "Desegment all Bulk Leasequery messages spanning multiple TCP segments",
+ "Whether the Bulk Leasequery dissector should desegment all messages spanning multiple TCP segments",
+ &dhcpv6_bulk_leasequery_desegment);
+
+ dhcpv6_enterprise_opts_dissector_table = register_dissector_table("dhcpv6.enterprise_opts", "DHCPv6 Enterprise OPTs", proto_dhcpv6, FT_UINT32, BASE_DEC);
+
+ proto_dhcpv6_cablelabs = proto_register_protocol("DHCPv6 Cablelabs", "DHCPv6(cablelabs)", "dhcpv6_cablelabs");
+ dhcpv6_cablelabs_handle = register_dissector("dhcpv6_cablelabs", dissect_cablelabs_specific_opts, proto_dhcpv6_cablelabs);
+ dissector_add_uint("dhcpv6.enterprise_opts", VENDOR_CABLELABS, dhcpv6_cablelabs_handle);
+}
+
+void
+proto_reg_handoff_dhcpv6(void)
+{
+ dissector_add_uint_range_with_preference("udp.port", UDP_PORT_DHCPV6_RANGE, dhcpv6_handle);
+
+ dissector_add_uint_with_preference("tcp.port", TCP_PORT_DHCPV6_UPSTREAM, find_dissector("dhcpv6.bulk_leasequery"));
+}
+
+/*
+ * Editor modelines
+ *
+ * Local Variables:
+ * c-basic-offset: 4
+ * tab-width: 8
+ * indent-tabs-mode: nil
+ * End:
+ *
+ * ex: set shiftwidth=4 tabstop=8 expandtab:
+ * :indentSize=4:tabSize=8:noTabs=true:
+ */
generated by cgit v1.2.3 (git 2.39.1) at 2025-02-22 01:42:28 +0000