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/* packet-dhcpv6.c
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* Routines for DHCPv6 packet disassembly
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* Copyright 2004 , Nicolas DICHTEL - 6 WIND - < nicolas . dichtel @ 6 wind . com >
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* Jun - ichiro itojun Hagino < itojun @ iijlab . net >
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* IItom Tsutomu MIENO < iitom @ utouto . com >
* SHIRASAKI Yasuhiro < yasuhiro @ gnome . gr . jp >
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* Tony Lindstrom < tony . lindstrom @ ericsson . com >
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* Copyright 2012 , Jerome LAFORGE < jerome . laforge @ gmail . com >
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*
* The information used comes from :
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* RFC3315 . txt ( DHCPv6 )
* RFC3319 . txt ( SIP options )
* RFC3633 . txt ( Prefix options )
* RFC3646 . txt ( DNS servers / domains )
* RFC3898 . txt ( NIS options )
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* RFC4075 . txt ( Simple Network Time Protocol Option ) ; Deprecated as of RFC 5908
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* RFC4242 . txt ( Information Refresh Time Option )
* RFC4280 . txt ( Broadcast and Multicast Control Servers Options )
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* RFC4649 . txt ( Remote ID option )
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* RFC4704 . txt ( Client FQDN )
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* RFC5007 . txt ( DHCPv6 Leasequery )
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* RFC5417 . txt ( CAPWAP Access Controller DHCP Option )
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* RFC5460 . txt ( DHCPv6 Bulk Leasequery )
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* RFC5908 . txt ( Network Time Protocol ( NTP ) Server Option )
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* RFC6334 . txt ( Dual - Stack Lite Option )
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* RFC6603 . txt ( Prefix Exclude Option )
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* draft - ietf - dhc - dhcpv6 - opt - timeconfig - 03. txt
* draft - ietf - dhc - dhcpv6 - opt - lifetime - 00. txt
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* CL - SP - CANN - DHCP - Reg - I10 - 130808. pdf
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*
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* Note that protocol constants are still subject to change , based on IANA
* assignment decisions .
*
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* Wireshark - Network traffic analyzer
* By Gerald Combs < gerald @ wireshark . org >
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* Copyright 1998 Gerald Combs
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*
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* This program is free software ; you can redistribute it and / or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation ; either version 2
* of the License , or ( at your option ) any later version .
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*
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* This program is distributed in the hope that it will be useful ,
* but WITHOUT ANY WARRANTY ; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE . See the
* GNU General Public License for more details .
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*
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* You should have received a copy of the GNU General Public License
* along with this program ; if not , write to the Free Software
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* Foundation , Inc . , 51 Franklin Street , Fifth Floor , Boston , MA 02110 - 1301 USA .
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*/
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# include "config.h"
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# include <epan/packet.h>
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# include <epan/sminmpec.h>
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# include <epan/expert.h>
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# include <epan/prefs.h>
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# include <epan/to_str.h>
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# include "packet-tcp.h"
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# include "packet-arp.h"
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void proto_register_dhcpv6 ( void ) ;
void proto_reg_handoff_dhcpv6 ( void ) ;
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static gboolean dhcpv6_bulk_leasequery_desegment = TRUE ;
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static int proto_dhcpv6 = - 1 ;
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static int proto_dhcpv6_bulk_leasequery = - 1 ;
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static int hf_dhcpv6_msgtype = - 1 ;
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static int hf_clientfqdn_reserved = - 1 ;
static int hf_clientfqdn_n = - 1 ;
static int hf_clientfqdn_o = - 1 ;
static int hf_clientfqdn_s = - 1 ;
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static int hf_option_type = - 1 ;
static int hf_option_length = - 1 ;
static int hf_option_value = - 1 ;
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static int hf_remoteid_enterprise = - 1 ;
static int hf_vendoropts_enterprise = - 1 ;
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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_hwtype = - 1 ;
static int hf_duidll_hwtype = - 1 ;
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static int hf_duiden_enterprise = - 1 ;
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static int hf_duiden_identifier = - 1 ;
static int hf_duidll_link_layer_addr = - 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_opt_unicast = - 1 ;
static int hf_opt_status_code = - 1 ;
static int hf_opt_status_msg = - 1 ;
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static int hf_vendorclass_enterprise = - 1 ;
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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 ;
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static int hf_sip_server_domain_search_fqdn = - 1 ;
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static int hf_sip_server_a = - 1 ;
static int hf_dns_servers = - 1 ;
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static int hf_domain_search_list_fqdn = - 1 ;
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static int hf_nis_servers = - 1 ;
static int hf_nisp_servers = - 1 ;
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static int hf_nis_fqdn = - 1 ;
static int hf_nisp_fqdn = - 1 ;
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static int hf_sntp_servers = - 1 ;
static int hf_opt_lifetime = - 1 ;
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static int hf_bcmcs_servers_fqdn = - 1 ;
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static int hf_bcmcs_servers_a = - 1 ;
static int hf_remoteid_enterprise_id = - 1 ;
static int hf_subscriber_id = - 1 ;
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static int hf_client_fqdn = - 1 ;
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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 ;
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static int hf_pd_exclude_pref_len = - 1 ;
static int hf_pd_exclude_subnet_id = - 1 ;
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static int hf_dhcpv6_hopcount = - 1 ;
static int hf_dhcpv6_xid = - 1 ;
static int hf_dhcpv6_peeraddr = - 1 ;
static int hf_dhcpv6_linkaddr = - 1 ;
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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 ;
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static int hf_option_ntpserver_fqdn = - 1 ;
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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 ;
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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 ;
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static int hf_cablelabs_ipv6_server = - 1 ;
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static int hf_cablelabs_docsis_version_number = - 1 ;
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static gint ett_dhcpv6 = - 1 ;
static gint ett_dhcpv6_option = - 1 ;
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static gint ett_dhcpv6_option_vsoption = - 1 ;
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static gint ett_dhcpv6_vendor_option = - 1 ;
static gint ett_dhcpv6_pkt_option = - 1 ;
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static gint ett_dhcpv6_netserver_option = - 1 ;
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static gint ett_dhcpv6_tlv5_type = - 1 ;
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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 ;
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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_malformed_dns = EI_INIT ;
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static expert_field ei_dhcpv6_error_hopcount = EI_INIT ;
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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 ;
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static expert_field ei_dhcpv6_bulk_leasequery_bad_query_type = EI_INIT ;
static expert_field ei_dhcpv6_bulk_leasequery_no_lq_relay_data = EI_INIT ;
static expert_field ei_dhcpv6_bulk_leasequery_bad_msg_type = EI_INIT ;
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# define UDP_PORT_DHCPV6_DOWNSTREAM 546
# define UDP_PORT_DHCPV6_UPSTREAM 547
# define DHCPV6_LEASEDURATION_INFINITY 0xffffffff
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# define HOP_COUNT_LIMIT 32
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# define SOLICIT 1
# define ADVERTISE 2
# define REQUEST 3
# define CONFIRM 4
# define RENEW 5
# define REBIND 6
# define REPLY 7
# define RELEASE 8
# define DECLINE 9
# define RECONFIGURE 10
# define INFORMATION_REQUEST 11
# define RELAY_FORW 12
# define RELAY_REPLY 13
# define LEASEQUERY 14
# define LEASEQUERY_REPLY 15
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# define LEASEQUERY_DONE 16
# define LEASEQUERY_DATA 17
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# define RECONFIGURE_REQUEST 18
# define RECONFIGURE_REPLY 19
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# 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
# define OPTION_SIP_SERVER_A 22
# define OPTION_DNS_SERVERS 23
# 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
# define OPTION_NISP_SERVERS 28
# define OPTION_NIS_DOMAIN_NAME 29
# define OPTION_NISP_DOMAIN_NAME 30
# define OPTION_SNTP_SERVERS 31
# define OPTION_LIFETIME 32
# define OPTION_BCMCS_SERVER_D 33
# define OPTION_BCMCS_SERVER_A 34
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/* 35 - Unassigned */
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# define OPTION_GEOCONF_CIVIC 36
# define OPTION_REMOTE_ID 37
# define OPTION_SUBSCRIBER_ID 38
# define OPTION_CLIENT_FQDN 39
# define OPTION_PANA_AGENT 40
# define OPTION_TIME_ZONE 41
# define OPTION_TZDB 42
# define OPTION_ERO 43
# define OPTION_LQ_QUERY 44
# define OPTION_CLIENT_DATA 45
# define OPTION_CLT_TIME 46
# define OPTION_LQ_RELAY_DATA 47
# define OPTION_LQ_CLIENT_LINK 48
# define OPTION_MIP6_HNIDF 49
# define OPTION_MIP6_VDINF 50
# define OPTION_V6_LOST 51
# define OPTION_CAPWAP_AC_V6 52
# define OPTION_RELAYID 53
# define OPTION_IPV6_ADDRESS_MOS 54 /* OPTION-IPv6_Address-MoS */
# define OPTION_IPV6_FQDN_MOS 55 /* OPTION-IPv6_FQDN-MoS */
# define OPTION_NTP_SERVER 56
# define OPTION_V6_ACCESS_DOMAIN 57
# define OPTION_SIP_UA_CS_LIST 58
# define OPTION_BOOTFILE_URL 59 /* OPT_BOOTFILE_URL */
# define OPTION_BOOTFILE_PARAM 60 /* OPT_BOOTFILE_PARAM */
# define OPTION_CLIENT_ARCH_TYPE 61
# define OPTION_NII 62
# define OPTION_GEOLOCATION 63
# define OPTION_AFTR_NAME 64 /* RFC 6334 */
# define OPTION_ERP_LOCAL_DOMAIN_NAME 65
# define OPTION_RSOO 66
# define OPTION_PD_EXCLUDE 67
# define OPTION_VSS 68
# define OPTION_MIP6_IDINF 69
# define OPTION_MIP6_UDINF 70
# define OPTION_MIP6_HNP 71
# define OPTION_MIP6_HAA 72
# define OPTION_MIP6_HAF 73
# define OPTION_RDNSS_SELECTION 74
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# define OPTION_KRB_PRINCIPAL_NAME 75
# define OPTION_KRB_REALM_NAME 76
# define OPTION_KRB_DEFAULT_REALM_NAME 77
# define OPTION_KRB_KDC 78
# define OPTION_CLIENT_LINKLAYER_ADDR 79
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# define OPTION_LINK_ADDRESS 80
# define OPTION_RADIUS 81
# define OPTION_SOL_MAX_RT 82
# define OPTION_INF_MAX_RT 83
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/* drafts */
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# define OPTION_ADDRSEL 84
# define OPTION_ADDRSEL_TABLE 85
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/* temporary value until defined by IETF */
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# define OPTION_MIP6_HA 165
# define OPTION_MIP6_HOA 166
# define OPTION_NAI 167
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# define DUID_LLT 1
# define DUID_EN 2
# define DUID_LL 3
# define DUID_LL_OLD 4
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static const value_string msgtype_vals [ ] = {
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{ 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 " } ,
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{ 0 , NULL }
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} ;
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static value_string_ext msgtype_vals_ext = VALUE_STRING_EXT_INIT ( msgtype_vals ) ;
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static const value_string opttype_vals [ ] = {
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{ 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 , " 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 " } ,
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{ 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 " } ,
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{ 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_MIP6_HA , " Mobile IPv6 Home Agent " } ,
{ OPTION_MIP6_HOA , " Mobile IPv6 Home Address " } ,
{ OPTION_NAI , " Network Access Identifier " } ,
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{ 0 , NULL }
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} ;
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static value_string_ext opttype_vals_ext = VALUE_STRING_EXT_INIT ( opttype_vals ) ;
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static const value_string statuscode_vals [ ] =
{
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{ 0 , " Success " } ,
{ 1 , " UnspecFail " } ,
{ 2 , " NoAddrAvail " } ,
{ 3 , " NoBinding " } ,
{ 4 , " NotOnLink " } ,
{ 5 , " UseMulticast " } ,
{ 6 , " NoPrefixAvail " } ,
{ 7 , " UnknownQueryType " } ,
{ 8 , " MalformedQuery " } ,
{ 9 , " NotConfigured " } ,
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{ 10 , " NotAllowed " } ,
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{ 11 , " QueryTerminated " } ,
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{ 0 , NULL }
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} ;
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static value_string_ext statuscode_vals_ext = VALUE_STRING_EXT_INIT ( statuscode_vals ) ;
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static const value_string duidtype_vals [ ] =
{
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{ DUID_LLT , " link-layer address plus time " } ,
{ DUID_EN , " assigned by vendor based on Enterprise number " } ,
{ DUID_LL , " link-layer address " } ,
{ DUID_LL_OLD , " link-layer address (old) " } ,
{ 0 , NULL }
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} ;
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# 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 }
} ;
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static const true_false_string fqdn_n = {
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" Server should not perform DNS updates " ,
" Server should perform DNS updates "
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} ;
static const true_false_string fqdn_o = {
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" Server has overridden client's S bit preference " ,
" Server has not overridden client's S bit preference "
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} ;
static const true_false_string fqdn_s = {
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" Server should perform forward DNS updates " ,
" Server should not perform forward DNS updates "
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} ;
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# 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
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static const value_string lq_query_vals [ ] = {
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{ 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 " } ,
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{ 0 , NULL } ,
} ;
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/* CableLabs Common Vendor Specific Options */
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# define CL_OPTION_ORO 0x0001 /* 1 */
# define CL_OPTION_DEVICE_TYPE 0x0002 /* 2 */
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# define CL_OPTION_EMBEDDED_COMPONENT_LIST 0x0003 /* 3 */
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# define CL_OPTION_DEVICE_SERIAL_NUMBER 0x0004 /* 4 */
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# define CL_OPTION_HARDWARE_VERSION_NUMBER 0x0005 /* 5 */
# define CL_OPTION_SOFTWARE_VERSION_NUMBER 0x0006 /* 6 */
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# 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 */
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/* 11-32 are currently reserved */
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# 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 */
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# define CL_OPTION_IP_PREF 0x0027 /* 39 */
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/** 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 **/
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# define CL_OPTION_CCC 0x087a /* 2170 */
# define CL_OPTION_CCCV6 0x087b /* 2171 */
# define CL_OPTION_CORRELATION_ID 0x087c /* 2172 */
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/** CableLabs TLVs for DOCS_CMTS_CAP Vendor Option **/
# define CL_OPTION_DOCS_CMTS_TLV_VERS_NUM 0x01 /* 1 */
static const value_string cl_vendor_subopt_values [ ] = {
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/* 1 */ { CL_OPTION_ORO , " Option Request = " } ,
/* 2 */ { CL_OPTION_DEVICE_TYPE , " Device Type = " } ,
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/* 3 */ { CL_OPTION_EMBEDDED_COMPONENT_LIST , " Embedded Components = " } ,
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/* 4 */ { CL_OPTION_DEVICE_SERIAL_NUMBER , " Serial Number = " } ,
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/* 5 */ { CL_OPTION_HARDWARE_VERSION_NUMBER , " Hardware Version = " } ,
/* 6 */ { CL_OPTION_SOFTWARE_VERSION_NUMBER , " Software Version = " } ,
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/* 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 : " } ,
/* 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 = " } ,
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{ 0 , NULL }
} ;
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static value_string_ext cl_vendor_subopt_values_ext = VALUE_STRING_EXT_INIT ( cl_vendor_subopt_values ) ;
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/* 17:2170: CL_OPTION_CCC */
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# define PKT_CCC_PRI_DHCP 0x0001
# define PKT_CCC_SEC_DHCP 0x0002
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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 */
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# 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 **/
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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 }
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} ;
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static value_string_ext pkt_cccV6_opt_vals_ext = VALUE_STRING_EXT_INIT ( pkt_cccV6_opt_vals ) ;
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static const value_string pkt_cccV6_prov_srv_type_vals [ ] = {
{ 0 , " FQDN " } ,
{ 1 , " IPv6 " } ,
{ 0 , NULL } ,
} ;
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#if 0
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static const value_string sec_tcm_vals [ ] = {
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{ 1 < < 0 , " PacketCable Provisioning Server " } ,
{ 1 < < 1 , " PacketCable Call Manager Servers " } ,
{ 0 , NULL } ,
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} ;
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# endif
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static const value_string modem_capabilities_encoding [ ] = {
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{ 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 " } ,
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{ 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 , " TBD " } ,
{ 44 , " Energy Management Capabilities " } ,
{ 0 , NULL } ,
} ;
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static value_string_ext modem_capabilities_encoding_ext = VALUE_STRING_EXT_INIT ( modem_capabilities_encoding ) ;
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static const value_string eue_capabilities_encoding [ ] = {
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{ 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 " } ,
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{ 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 } ,
} ;
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static value_string_ext eue_capabilities_encoding_ext = VALUE_STRING_EXT_INIT ( eue_capabilities_encoding ) ;
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typedef struct hopcount_info_t {
guint8 hopcount ;
proto_item * pi ;
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gboolean relay_message_previously_detected ;
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} hopcount_info ;
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static void
initialize_hopount_info ( hopcount_info * hpi ) {
memset ( hpi , 0 , sizeof ( hopcount_info ) ) ;
}
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static void
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dissect_dhcpv6 ( tvbuff_t * tvb , packet_info * pinfo , proto_tree * tree ,
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gboolean downstream , int off , int eoff , hopcount_info hpi ) ;
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static int
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dissect_packetcable_ccc_option ( proto_tree * v_tree , proto_item * v_item , packet_info * pinfo , tvbuff_t * tvb , int optoff ,
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int optend )
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{
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/** THE ENCODING OF THIS SUBOPTION HAS CHANGED FROM DHCPv4
the code and length fields have grown from a single octet to
two octets each . * */
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int suboptoff = optoff ;
guint16 subopt , subopt_len ;
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proto_item * vti ;
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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 ) {
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expert_add_info_format ( pinfo , v_item , & ei_dhcpv6_no_suboption_len , " Sub element %d: no room left in option for suboption length " , subopt ) ;
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return ( optend ) ;
}
/* g_print("dissect packetcable ccc option subopt_len=%d optend=%d\n\n", subopt_len, optend); */
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vti = proto_tree_add_item ( v_tree , hf_packetcable_ccc_suboption , tvb , optoff , 2 , ENC_BIG_ENDIAN ) ;
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pkt_s_tree = proto_item_add_subtree ( vti , ett_dhcpv6_pkt_option ) ;
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switch ( subopt ) {
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case PKT_CCC_PRI_DHCP : /* IPv4 address values */
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if ( subopt_len = = 4 ) {
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proto_tree_add_item ( pkt_s_tree , hf_packetcable_ccc_pri_dhcp , tvb , suboptoff , 4 , ENC_BIG_ENDIAN ) ;
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}
else {
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expert_add_info_format ( pinfo , vti , & ei_dhcpv6_bogus_length , " Bogus length: %d " , subopt_len ) ;
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}
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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 {
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expert_add_info_format ( pinfo , vti , & ei_dhcpv6_bogus_length , " Bogus length: %d " , subopt_len ) ;
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}
suboptoff + = subopt_len ;
break ;
default :
suboptoff + = subopt_len ;
break ;
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}
/** Return the number of bytes processed **/
return ( suboptoff - optoff ) ;
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}
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/* Adds domain */
/* XXX: ToDo: Rework to use some version of (a revised) get_dns_name() for each individual FQDN */
static void
dhcpv6_domain ( proto_tree * subtree , proto_item * v_item , packet_info * pinfo , int hfindex , tvbuff_t * tvb , int offset , guint16 optlen )
{
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int start_offset = offset ;
char domain [ 256 ] ;
int pos ;
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guint8 len ;
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pos = 0 ;
while ( optlen ) {
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/* this is the start of the domain name */
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if ( ! pos ) {
start_offset = offset ;
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}
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domain [ pos ] = ' \0 ' ;
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/* read length of the next substring */
len = tvb_get_guint8 ( tvb , offset ) ;
/* Microsoft dhcpv6 clients aren't currently RFC 4704 conformant: They send an
* ASCII string instead of a DNS record encoded domain name . Catch that case
* to allow us to continue after such a malformed record .
*/
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if ( optlen < len ) {
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expert_add_info ( pinfo , v_item , & ei_dhcpv6_malformed_dns ) ;
return ;
}
2014-02-20 04:44:14 +00:00
offset + = 1 ;
optlen - = 1 ;
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/* if len==0 and pos>0 we have read an entire domain string */
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if ( ! len ) {
if ( ! pos ) {
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/* empty string, this must be an error? */
expert_add_info ( pinfo , v_item , & ei_dhcpv6_malformed_option ) ;
return ;
} else {
proto_tree_add_string ( subtree , hfindex , tvb , start_offset , offset - start_offset , domain ) ;
2014-02-20 04:44:14 +00:00
pos = 0 ;
2014-02-19 17:57:54 +00:00
continue ;
}
}
/* add the substring to domain */
2014-02-20 04:44:14 +00:00
if ( pos ) {
domain [ pos ] = ' . ' ;
2014-02-19 17:57:54 +00:00
pos + + ;
}
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if ( ( pos + len ) > 254 ) {
2014-02-19 17:57:54 +00:00
/* too long string, this must be an error? */
expert_add_info ( pinfo , v_item , & ei_dhcpv6_malformed_option ) ;
return ;
}
tvb_memcpy ( tvb , domain + pos , offset , len ) ;
2014-02-20 04:44:14 +00:00
pos + = len ;
offset + = len ;
optlen - = len ;
2014-02-19 17:57:54 +00:00
}
2014-02-20 04:44:14 +00:00
if ( pos ) {
domain [ pos ] = ' \0 ' ;
2014-02-19 17:57:54 +00:00
proto_tree_add_string ( subtree , hfindex , tvb , start_offset , offset - start_offset , domain ) ;
}
}
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static int
2012-10-14 15:27:52 +00:00
dissect_packetcable_cccV6_option ( proto_tree * v_tree , proto_item * v_item , packet_info * pinfo , tvbuff_t * tvb , int optoff ,
2010-05-13 17:22:53 +00:00
int optend )
{
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int suboptoff = optoff ;
guint16 subopt , subopt_len ;
guint8 type ;
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proto_item * vti , * ti ;
2010-05-13 17:22:53 +00:00
proto_tree * pkt_s_tree ;
2014-02-20 04:44:14 +00:00
int i ;
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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 ) {
2013-09-09 00:44:09 +00:00
expert_add_info_format ( pinfo , v_item , & ei_dhcpv6_no_suboption_len , " Sub element %d: no room left in option for suboption length " , subopt ) ;
2010-05-13 17:22:53 +00:00
return ( optend ) ;
2011-01-16 03:57:12 +00:00
}
2010-05-13 17:22:53 +00:00
2013-06-20 16:22:53 +00:00
vti = proto_tree_add_item ( v_tree , hf_packetcable_cccV6_suboption , tvb , optoff , 2 , ENC_BIG_ENDIAN ) ;
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pkt_s_tree = proto_item_add_subtree ( vti , ett_dhcpv6_pkt_option ) ;
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switch ( subopt ) {
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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 | ENC_NA ) ;
} 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 | ENC_NA ) ;
} 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 ) ;
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2014-02-20 04:44:14 +00:00
/** 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 ) ;
2013-06-20 16:22:53 +00:00
2010-05-13 17:22:53 +00:00
/** Type 1 is IPv6 **/
2014-02-20 04:44:14 +00:00
} 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 ;
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}
}
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} 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 ;
2010-05-13 17:22:53 +00:00
}
/** Return the number of bytes processed **/
return ( suboptoff - optoff ) ;
}
2014-02-19 17:57:54 +00:00
/* ToDo: review latest CL docs for updates */
2010-05-10 15:54:57 +00:00
static void
2012-10-14 15:27:52 +00:00
dissect_cablelabs_specific_opts ( proto_tree * v_tree , proto_item * v_item , packet_info * pinfo , tvbuff_t * tvb , int voff , int len )
2010-02-01 22:31:37 +00:00
{
2012-10-14 15:27:52 +00:00
guint16 type ,
tlv_len , /* holds the number of elements in the tlv */
opt_len , /* holds the length of the suboption */
sub_value ;
2010-02-01 22:31:37 +00:00
proto_item * ti ;
2013-06-20 16:22:53 +00:00
proto_item * ti2 ;
2010-02-01 22:31:37 +00:00
proto_tree * subtree ;
2013-06-20 16:22:53 +00:00
proto_tree * subtree2 ;
gint tlv5_cap_index ,
tlv5_counter ,
tlv5_cap_len ;
2012-10-14 15:27:52 +00:00
int off = voff ,
sub_off , /** The offset for the sub-option */
2013-06-20 16:22:53 +00:00
i ,
2012-10-14 15:27:52 +00:00
field_len , /* holds the length of one occurrence of a field */
field_value ;
2014-02-19 17:57:54 +00:00
gchar * device_type = NULL ;
2010-02-01 22:31:37 +00:00
if ( len > 4 ) {
2010-05-10 15:54:57 +00:00
while ( off - voff < len ) {
2010-02-01 22:31:37 +00:00
2010-05-10 15:54:57 +00:00
/* Type */
type = tvb_get_ntohs ( tvb , off ) ;
2012-10-14 15:27:52 +00:00
ti = proto_tree_add_item ( v_tree , hf_cablelabs_opts , tvb , off , 2 , ENC_BIG_ENDIAN ) ;
2010-05-10 15:54:57 +00:00
/* Length */
tlv_len = tvb_get_ntohs ( tvb , off + 2 ) ;
2010-02-01 22:31:37 +00:00
2010-05-10 15:54:57 +00:00
/* Values */
sub_off = off + 4 ;
2010-02-01 22:31:37 +00:00
2014-02-20 04:44:14 +00:00
switch ( type ) {
2010-05-10 15:54:57 +00:00
/* String types */
2014-02-20 04:44:14 +00:00
case CL_OPTION_DEVICE_TYPE :
2013-06-20 16:22:53 +00:00
opt_len = tlv_len ;
field_len = tlv_len ;
2014-06-17 15:30:58 +00:00
device_type = tvb_get_string_enc ( wmem_packet_scope ( ) , tvb , sub_off , field_len , ENC_ASCII ) ;
2013-06-20 16:22:53 +00:00
2014-02-20 04:44:14 +00:00
if ( ( device_type = = NULL ) | | ( strlen ( device_type ) = = 0 ) ) {
2013-06-20 16:22:53 +00:00
proto_item_append_text ( ti , " Packet does not contain Device Type. " ) ;
} else {
proto_item_append_text ( ti , " \" %s \" " , device_type ) ;
}
break ;
2014-02-20 04:44:14 +00:00
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 :
2010-02-01 22:31:37 +00:00
opt_len = tlv_len ;
field_len = tlv_len ;
2010-05-10 15:54:57 +00:00
proto_item_append_text ( ti , " \" %s \" " ,
tvb_format_stringzpad ( tvb , sub_off , field_len ) ) ;
break ;
2014-02-20 04:44:14 +00:00
case CL_OPTION_VENDOR_OUI :
2010-05-26 21:10:02 +00:00
/* CableLabs specs treat 17.8 inconsistently
* as either binary ( 3 b ) or string ( 6 b ) */
opt_len = tlv_len ;
if ( tlv_len = = 3 ) {
proto_item_append_text ( ti , " %s " ,
2015-01-07 13:29:35 +00:00
tvb_bytes_to_str_punct ( wmem_packet_scope ( ) , tvb , sub_off , 3 , ' : ' ) ) ;
2010-05-26 21:10:02 +00:00
} else if ( tlv_len = = 6 ) {
proto_item_append_text ( ti , " \" %s \" " , tvb_format_stringzpad ( tvb , sub_off , tlv_len ) ) ;
} else {
2013-09-09 00:44:09 +00:00
expert_add_info_format ( pinfo , ti , & ei_dhcpv6_bogus_length , " Suboption %d: suboption length isn't 3 or 6 " , type ) ;
2010-05-26 21:10:02 +00:00
}
break ;
2014-02-20 04:44:14 +00:00
case CL_OPTION_ORO :
2010-02-01 22:31:37 +00:00
field_len = 2 ;
opt_len = tlv_len ;
if ( opt_len > 0 ) {
2010-05-10 15:54:57 +00:00
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 ;
}
2010-02-01 22:31:37 +00:00
}
break ;
2014-02-19 17:57:54 +00:00
/* List of IPv6 Address */
2014-02-20 04:44:14 +00:00
case CL_OPTION_TFTP_SERVERS :
case CL_OPTION_SYSLOG_SERVERS :
case CL_OPTION_RFC868_SERVERS :
2010-02-01 22:31:37 +00:00
field_len = 16 ;
opt_len = tlv_len ;
subtree = proto_item_add_subtree ( ti , ett_dhcpv6_vendor_option ) ;
if ( ( tlv_len % field_len ) = = 0 ) {
2010-05-10 15:54:57 +00:00
for ( i = 0 ; i < tlv_len / field_len ; i + + ) {
2013-06-20 16:22:53 +00:00
ti = proto_tree_add_item ( subtree , hf_cablelabs_ipv6_server , tvb , sub_off , 16 , ENC_NA ) ;
proto_item_prepend_text ( ti , " %d " , i + 1 ) ;
2010-05-10 15:54:57 +00:00
sub_off + = field_len ;
}
2010-02-01 22:31:37 +00:00
}
break ;
2014-02-20 04:44:14 +00:00
case CL_OPTION_DEVICE_ID :
2010-02-01 22:31:37 +00:00
opt_len = tlv_len ;
field_len = tlv_len ;
if ( tlv_len ! = 6 ) {
2013-09-09 00:44:09 +00:00
expert_add_info_format ( pinfo , ti , & ei_dhcpv6_bogus_length , " Bogus length: %d " , tlv_len ) ;
2010-02-01 22:31:37 +00:00
}
else {
2010-05-10 15:54:57 +00:00
proto_item_append_text ( ti , " %s " ,
2015-01-07 15:11:22 +00:00
tvb_bytes_to_str ( wmem_packet_scope ( ) , tvb , sub_off , field_len ) ) ;
2010-02-01 22:31:37 +00:00
}
break ;
2014-02-20 04:44:14 +00:00
case CL_OPTION_TLV5 :
2014-02-19 17:57:54 +00:00
/* ToDo: review latest CL docs for updates */
2010-02-01 22:31:37 +00:00
opt_len = tlv_len ;
2013-06-20 16:22:53 +00:00
if ( device_type = = NULL )
break ;
tlv5_counter = 0 ;
tlv5_cap_index = sub_off ;
subtree = proto_item_add_subtree ( ti , ett_dhcpv6_tlv5_type ) ;
while ( tlv5_counter < tlv_len ) {
if ( ! 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 ) {
Fix errors found by fix-encoding-args script
epan/dissectors/packet-dhcpv6.c: FT_IPv6: proto_tree_add_item(pkt_s_tree, hf_packetcable_cccV6_prov_srv_ipv6, tvb, suboptoff+1, 4, [[ENC_BIG_ENDIAN]-->[ENC_NA]]);
epan/dissectors/packet-dhcpv6.c: FT_BYTES: proto_tree_add_item(subtree2, hf_capabilities_encoding_bytes, tvb, tlv5_cap_index, tlv5_cap_len, [[ENC_BIG_ENDIAN]-->[ENC_NA]]);
svn path=/trunk/; revision=50084
2013-06-20 20:17:21 +00:00
proto_tree_add_item ( subtree2 , hf_capabilities_encoding_bytes , tvb , tlv5_cap_index , tlv5_cap_len , ENC_NA ) ;
2013-06-20 16:22:53 +00:00
} 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 ;
2014-02-20 04:44:14 +00:00
case CL_OPTION_TIME_OFFSET :
2010-02-01 22:31:37 +00:00
opt_len = tlv_len ;
proto_item_append_text ( ti , " %d " , tvb_get_ntohl ( tvb , sub_off ) ) ;
break ;
2014-02-20 04:44:14 +00:00
case CL_OPTION_IP_PREF :
2010-05-13 17:22:53 +00:00
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 " ) ;
2013-06-20 16:22:53 +00:00
} else if ( field_value = = 6 ) {
proto_item_append_text ( ti , " %s " , " Dual Stack " ) ;
2010-05-13 17:22:53 +00:00
} else {
2013-06-20 16:22:53 +00:00
proto_item_append_text ( ti , " %s%d " , " Invalid IP Preference value " , field_value ) ;
2010-05-13 17:22:53 +00:00
}
break ;
2014-02-20 04:44:14 +00:00
case CL_OPTION_DOCS_CMTS_CAP :
2010-02-01 22:31:37 +00:00
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 + + ) {
2010-05-10 15:54:57 +00:00
int tagLen = 0 ;
int tag = 0 ;
tag = tvb_get_guint8 ( tvb , sub_off ) ;
sub_off + + ;
tagLen = tvb_get_guint8 ( tvb , sub_off ) ;
sub_off + + ;
2014-02-20 04:44:14 +00:00
if ( ( tag = = CL_OPTION_DOCS_CMTS_TLV_VERS_NUM ) & & ( tagLen = = 2 ) ) {
2014-11-24 04:06:34 +00:00
proto_tree_add_item ( subtree , hf_cablelabs_docsis_version_number , tvb , sub_off ,
2 , ENC_BIG_ENDIAN ) ;
sub_off + = 2 ;
2010-05-10 15:54:57 +00:00
}
else
sub_off + = tagLen ;
field_len + = tagLen + 2 ;
}
2010-02-01 22:31:37 +00:00
}
2010-05-10 15:54:57 +00:00
else
2014-11-24 04:06:34 +00:00
proto_item_append_text ( ti , " (empty) " ) ;
2010-02-01 22:31:37 +00:00
break ;
2014-02-20 04:44:14 +00:00
case CL_CM_MAC_ADDR :
2010-02-01 22:31:37 +00:00
opt_len = tlv_len ;
if ( tlv_len ! = 6 ) {
2013-09-09 00:44:09 +00:00
expert_add_info_format ( pinfo , ti , & ei_dhcpv6_bogus_length , " Bogus length: %d " , tlv_len ) ;
2010-05-10 15:54:57 +00:00
}
else {
2010-02-01 22:31:37 +00:00
/*proto_item_append_text(ti, "CM MAC Address Option = %s", */
2015-01-07 13:29:35 +00:00
proto_item_append_text ( ti , " %s " , tvb_bytes_to_str_punct ( wmem_packet_scope ( ) , tvb , sub_off , opt_len , ' : ' ) ) ;
2015-01-07 15:11:22 +00:00
/* tvb_bytes_to_str(wmem_packet_scope(), tvb, sub_off, opt_len)); */
2010-05-10 15:54:57 +00:00
}
break ;
2014-02-20 04:44:14 +00:00
case CL_EROUTER_CONTAINER_OPTION :
2010-05-10 15:54:57 +00:00
opt_len = tlv_len ;
proto_item_append_text ( ti , " %s (len=%d) " ,
2015-01-07 15:11:22 +00:00
tvb_bytes_to_str ( wmem_packet_scope ( ) , tvb , sub_off , opt_len ) , tlv_len ) ;
2010-05-10 15:54:57 +00:00
break ;
2014-02-20 04:44:14 +00:00
case CL_OPTION_CCC :
2010-05-10 15:54:57 +00:00
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 ) {
2012-10-14 15:27:52 +00:00
sub_value = dissect_packetcable_ccc_option ( subtree , ti , pinfo , tvb ,
2010-05-10 15:54:57 +00:00
sub_off , ( opt_len - field_len ) ) ;
sub_off + = sub_value ;
field_len + = sub_value ;
}
2010-05-13 17:22:53 +00:00
break ;
2014-02-20 04:44:14 +00:00
case CL_OPTION_CCCV6 :
2010-05-13 17:22:53 +00:00
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 ) {
2012-10-14 15:27:52 +00:00
sub_value = dissect_packetcable_cccV6_option ( subtree , ti , pinfo , tvb ,
2010-05-13 17:22:53 +00:00
sub_off , ( opt_len - field_len ) ) ;
sub_off + = sub_value ;
field_len + = sub_value ;
}
break ;
2014-02-20 04:44:14 +00:00
case CL_OPTION_CORRELATION_ID :
2011-03-26 11:23:46 +00:00
opt_len = tlv_len ;
if ( tlv_len ! = 4 ) {
proto_item_append_text ( ti , " Bogus value length=%d " ,
tlv_len ) ;
}
else {
2013-06-20 16:22:53 +00:00
proto_item_append_text ( ti , " %u " , tvb_get_ntohl ( tvb , sub_off ) ) ;
2011-03-26 11:23:46 +00:00
}
break ;
2010-02-01 22:31:37 +00:00
default :
opt_len = tlv_len ;
2010-05-10 15:54:57 +00:00
break ;
}
off + = ( opt_len + 4 ) ;
2010-02-01 22:31:37 +00:00
2010-05-10 15:54:57 +00:00
}
2010-02-01 22:31:37 +00:00
}
else {
2013-09-09 00:44:09 +00:00
expert_add_info_format ( pinfo , v_item , & ei_dhcpv6_bogus_length , " Bogus length: %d " , len ) ;
2010-02-01 22:31:37 +00:00
}
}
2014-11-24 04:06:34 +00:00
static void
cablelabs_fmt_docsis_version ( gchar * result , guint32 revision )
{
g_snprintf ( result , ITEM_LABEL_LENGTH , " %d.%02d " , ( guint8 ) ( ( revision & 0xFF00 ) > > 8 ) , ( guint8 ) ( revision & 0xFF ) ) ;
}
2010-02-01 22:31:37 +00:00
/* Returns the number of bytes consumed by this option. */
static int
2010-05-10 15:54:57 +00:00
dhcpv6_option ( tvbuff_t * tvb , packet_info * pinfo , proto_tree * bp_tree ,
2014-09-01 09:15:47 +00:00
gboolean downstream , int off , int eoff , gboolean * at_end , int protocol , hopcount_info hpi )
2010-02-01 22:31:37 +00:00
{
2013-05-21 03:24:55 +00:00
guint16 opttype , hwtype , subopt_type ;
2014-02-20 04:44:14 +00:00
int temp_optlen , optlen , subopt_len ; /* 16-bit values that need 16-bit rollover protection */
2013-06-20 18:32:18 +00:00
proto_item * ti = NULL , * option_item ;
2010-05-10 15:54:57 +00:00
proto_tree * subtree ;
proto_tree * subtree_2 ;
2014-02-20 04:44:14 +00:00
int i ;
guint16 duidtype ;
guint32 enterprise_no ;
2010-05-10 15:54:57 +00:00
/* option type and length must be present */
2014-02-20 04:44:14 +00:00
if ( ( eoff - off ) < 4 ) {
2010-05-10 15:54:57 +00:00
* at_end = TRUE ;
return 0 ;
}
opttype = tvb_get_ntohs ( tvb , off ) ;
2014-02-20 04:44:14 +00:00
optlen = tvb_get_ntohs ( tvb , off + 2 ) ;
2010-05-10 15:54:57 +00:00
/* all option data must be present */
2014-02-20 04:44:14 +00:00
if ( ( eoff - off ) < ( 4 + optlen ) ) {
2010-05-10 15:54:57 +00:00
* at_end = TRUE ;
return 0 ;
}
2014-06-25 03:24:14 +00:00
subtree = proto_tree_add_subtree ( bp_tree , tvb , off , 4 + optlen , ett_dhcpv6_option , & option_item ,
val_to_str_ext ( opttype , & opttype_vals_ext , " DHCP option %u " ) ) ;
2010-05-10 15:54:57 +00:00
2011-10-06 03:35:44 +00:00
proto_tree_add_item ( subtree , hf_option_type , tvb , off , 2 , ENC_BIG_ENDIAN ) ;
proto_tree_add_item ( subtree , hf_option_length , tvb , off + 2 , 2 , ENC_BIG_ENDIAN ) ;
2010-05-10 15:54:57 +00:00
off + = 4 ;
/* Right now, none of the options can be filtered at, so provide a hex
array for minimalistic filtering */
2010-05-26 21:10:02 +00:00
if ( optlen )
2011-10-04 22:44:31 +00:00
proto_tree_add_item ( subtree , hf_option_value , tvb , off , optlen , ENC_NA ) ;
2010-05-10 15:54:57 +00:00
switch ( opttype ) {
case OPTION_CLIENTID :
2015-01-07 15:11:22 +00:00
col_append_fstr ( pinfo - > cinfo , COL_INFO , " CID: %s " , tvb_bytes_to_str ( wmem_packet_scope ( ) , tvb , off , optlen ) ) ;
2010-05-10 15:54:57 +00:00
/* Fall through */
case OPTION_SERVERID :
2013-01-25 03:40:53 +00:00
case OPTION_RELAYID :
2010-05-10 15:54:57 +00:00
if ( optlen < 2 ) {
2013-09-09 00:44:09 +00:00
expert_add_info_format ( pinfo , option_item , & ei_dhcpv6_malformed_option , " DUID: malformed option " ) ;
2010-05-10 15:54:57 +00:00
break ;
}
2012-10-14 15:27:52 +00:00
proto_tree_add_item ( subtree , hf_duid_bytes , tvb , off , optlen , ENC_NA ) ;
2010-05-10 15:54:57 +00:00
duidtype = tvb_get_ntohs ( tvb , off ) ;
2012-10-14 15:27:52 +00:00
proto_tree_add_item ( subtree , hf_duid_type , tvb , off , 2 , ENC_BIG_ENDIAN ) ;
2010-05-10 15:54:57 +00:00
switch ( duidtype ) {
case DUID_LLT :
2012-10-14 15:27:52 +00:00
{
nstime_t llt_time ;
2010-05-10 15:54:57 +00:00
if ( optlen < 8 ) {
2013-09-09 00:44:09 +00:00
expert_add_info_format ( pinfo , option_item , & ei_dhcpv6_malformed_option , " DUID: malformed option " ) ;
2010-05-10 15:54:57 +00:00
break ;
}
2013-05-25 03:27:31 +00:00
proto_tree_add_item ( subtree , hf_duidllt_hwtype , tvb , off + 2 , 2 , ENC_BIG_ENDIAN ) ;
2012-10-14 15:27:52 +00:00
2011-01-28 00:20:37 +00:00
/* Packet specifies seconds since Jan 1 2000, so add 946684800U (30 years) to get back to epoch */
2014-02-20 04:44:14 +00:00
llt_time . secs = tvb_get_ntohl ( tvb , off + 4 ) + 946684800U ;
2012-10-14 15:27:52 +00:00
llt_time . nsecs = 0 ;
proto_tree_add_time ( subtree , hf_duidllt_time , tvb , off + 4 , 4 , & llt_time ) ;
2010-05-10 15:54:57 +00:00
if ( optlen > 8 ) {
2014-02-20 04:44:14 +00:00
hwtype = tvb_get_ntohs ( tvb , off + 2 ) ;
2012-10-14 15:27:52 +00:00
proto_tree_add_string ( subtree , hf_duidllt_link_layer_addr , tvb , off + 8 ,
optlen - 8 , tvb_arphrdaddr_to_str ( tvb , off + 8 , optlen - 8 , hwtype ) ) ;
2010-05-10 15:54:57 +00:00
}
2012-10-14 15:27:52 +00:00
}
break ;
2010-05-10 15:54:57 +00:00
case DUID_EN :
if ( optlen < 6 ) {
2013-09-09 00:44:09 +00:00
expert_add_info_format ( pinfo , option_item , & ei_dhcpv6_malformed_option , " DUID: malformed option " ) ;
2010-05-10 15:54:57 +00:00
break ;
}
2011-10-06 03:35:44 +00:00
proto_tree_add_item ( subtree , hf_duiden_enterprise , tvb , off + 2 , 4 , ENC_BIG_ENDIAN ) ;
2010-05-10 15:54:57 +00:00
if ( optlen > 6 ) {
2012-10-14 15:27:52 +00:00
proto_tree_add_item ( subtree , hf_duiden_identifier , tvb , off + 6 , optlen - 6 , ENC_NA ) ;
2010-05-10 15:54:57 +00:00
}
break ;
case DUID_LL :
case DUID_LL_OLD :
if ( optlen < 4 ) {
2013-09-09 00:44:09 +00:00
expert_add_info_format ( pinfo , option_item , & ei_dhcpv6_malformed_option , " DUID: malformed option " ) ;
2010-05-10 15:54:57 +00:00
break ;
}
2012-10-14 15:27:52 +00:00
proto_tree_add_item ( subtree , hf_duidll_hwtype , tvb , off + 2 , 2 , ENC_BIG_ENDIAN ) ;
2010-05-10 15:54:57 +00:00
if ( optlen > 4 ) {
2014-02-20 04:44:14 +00:00
hwtype = tvb_get_ntohs ( tvb , off + 2 ) ;
2012-10-14 15:27:52 +00:00
proto_tree_add_string ( subtree , hf_duidll_link_layer_addr , tvb , off + 4 ,
optlen - 4 , tvb_arphrdaddr_to_str ( tvb , off + 4 , optlen - 4 , hwtype ) ) ;
2010-05-10 15:54:57 +00:00
}
break ;
}
2013-05-21 03:24:55 +00:00
break ;
case OPTION_NTP_SERVER :
if ( optlen < 4 ) {
2013-09-09 00:44:09 +00:00
expert_add_info_format ( pinfo , option_item , & ei_dhcpv6_malformed_option , " NTP Server: malformed option " ) ;
2013-05-21 03:24:55 +00:00
break ;
}
2014-02-19 17:57:54 +00:00
temp_optlen = 0 ;
2013-05-21 03:24:55 +00:00
while ( optlen > temp_optlen ) {
2014-02-20 04:44:14 +00:00
subopt_type = tvb_get_ntohs ( tvb , off + temp_optlen ) ;
subopt_len = tvb_get_ntohs ( tvb , off + 2 + temp_optlen ) ;
2014-06-25 03:24:14 +00:00
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 " ) ) ;
2014-02-19 17:57:54 +00:00
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 ) ;
2013-05-21 03:24:55 +00:00
temp_optlen + = 4 ;
2014-02-20 04:44:14 +00:00
switch ( subopt_type ) {
2013-05-21 03:24:55 +00:00
case NTP_SUBOPTION_SRV_ADDR :
2014-02-19 17:57:54 +00:00
proto_tree_add_item ( subtree_2 , hf_option_ntpserver_addr , tvb , off + temp_optlen , 16 , ENC_NA ) ;
2013-05-21 03:24:55 +00:00
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 :
2014-02-19 17:57:54 +00:00
/* 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 ) ;
2013-05-21 03:24:55 +00:00
break ;
}
temp_optlen + = subopt_len ;
}
2010-05-10 15:54:57 +00:00
break ;
2014-02-19 17:57:54 +00:00
2010-05-10 15:54:57 +00:00
case OPTION_IA_NA :
case OPTION_IA_PD :
if ( optlen < 12 ) {
if ( opttype = = OPTION_IA_NA )
2013-09-09 00:44:09 +00:00
expert_add_info_format ( pinfo , option_item , & ei_dhcpv6_malformed_option , " IA_NA: malformed option " ) ;
2010-05-10 15:54:57 +00:00
else
2013-09-09 00:44:09 +00:00
expert_add_info_format ( pinfo , option_item , & ei_dhcpv6_malformed_option , " IA_PD: malformed option " ) ;
2010-05-10 15:54:57 +00:00
break ;
}
2012-10-14 15:27:52 +00:00
proto_tree_add_string ( subtree , hf_iaid , tvb , off ,
2014-02-20 04:44:14 +00:00
4 , tvb_arphrdaddr_to_str ( tvb , off , 4 , opttype ) ) ; /* XXX: IAID is opaque ? review ... */
2010-05-10 15:54:57 +00:00
if ( tvb_get_ntohl ( tvb , off + 4 ) = = DHCPV6_LEASEDURATION_INFINITY ) {
2013-09-15 01:48:30 +00:00
proto_tree_add_uint_format_value ( subtree , hf_iaid_t1 , tvb , off + 4 ,
4 , DHCPV6_LEASEDURATION_INFINITY , " infinity " ) ;
2010-05-10 15:54:57 +00:00
} else {
2012-10-14 15:27:52 +00:00
proto_tree_add_item ( subtree , hf_iaid_t1 , tvb , off + 4 ,
4 , ENC_BIG_ENDIAN ) ;
2010-05-10 15:54:57 +00:00
}
if ( tvb_get_ntohl ( tvb , off + 8 ) = = DHCPV6_LEASEDURATION_INFINITY ) {
2013-09-15 01:48:30 +00:00
proto_tree_add_uint_format_value ( subtree , hf_iaid_t2 , tvb , off + 8 ,
4 , DHCPV6_LEASEDURATION_INFINITY , " infinity " ) ;
2010-05-10 15:54:57 +00:00
} else {
2012-10-14 15:27:52 +00:00
proto_tree_add_item ( subtree , hf_iaid_t2 , tvb , off + 8 ,
4 , ENC_BIG_ENDIAN ) ;
2010-05-10 15:54:57 +00:00
}
temp_optlen = 12 ;
while ( ( optlen - temp_optlen ) > 0 ) {
temp_optlen + = dhcpv6_option ( tvb , pinfo , subtree , downstream ,
2014-09-01 09:15:47 +00:00
off + temp_optlen , off + optlen , at_end , protocol , hpi ) ;
2010-05-10 15:54:57 +00:00
if ( * at_end ) {
2004-08-17 00:21:13 +00:00
/* Bad option - just skip to the end */
temp_optlen = optlen ;
2010-05-10 15:54:57 +00:00
}
2003-08-18 18:20:11 +00:00
}
break ;
2010-05-10 15:54:57 +00:00
case OPTION_IA_TA :
if ( optlen < 4 ) {
2013-09-09 00:44:09 +00:00
expert_add_info_format ( pinfo , option_item , & ei_dhcpv6_malformed_option , " IA_TA: malformed option " ) ;
2010-05-10 15:54:57 +00:00
break ;
}
2012-10-14 15:27:52 +00:00
proto_tree_add_string ( subtree , hf_iata , tvb , off ,
2014-02-20 04:44:14 +00:00
4 , tvb_arphrdaddr_to_str ( tvb , off , 4 , opttype ) ) ; /* XXX: IAID is opaque ? review ... */
2010-05-10 15:54:57 +00:00
temp_optlen = 4 ;
while ( ( optlen - temp_optlen ) > 0 ) {
temp_optlen + = dhcpv6_option ( tvb , pinfo , subtree , downstream ,
2014-09-01 09:15:47 +00:00
off + temp_optlen , off + optlen , at_end , protocol , hpi ) ;
2010-05-10 15:54:57 +00:00
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 ) {
2013-09-09 00:44:09 +00:00
expert_add_info_format ( pinfo , option_item , & ei_dhcpv6_malformed_option , " IA_TA: malformed option " ) ;
2010-05-10 15:54:57 +00:00
break ;
}
2012-10-14 15:27:52 +00:00
2013-04-22 17:28:16 +00:00
proto_tree_add_item ( subtree , hf_iaaddr_ip , tvb , off , 16 , ENC_NA ) ;
2012-10-14 15:27:52 +00:00
col_append_fstr ( pinfo - > cinfo , COL_INFO , " IAA: %s " , tvb_ip6_to_str ( tvb , off ) ) ;
2010-05-10 15:54:57 +00:00
preferred_lifetime = tvb_get_ntohl ( tvb , off + 16 ) ;
valid_lifetime = tvb_get_ntohl ( tvb , off + 20 ) ;
if ( preferred_lifetime = = DHCPV6_LEASEDURATION_INFINITY ) {
2013-09-15 01:48:30 +00:00
proto_tree_add_uint_format_value ( subtree , hf_iaaddr_pref_lifetime , tvb , off + 16 ,
4 , DHCPV6_LEASEDURATION_INFINITY , " infinity " ) ;
2010-05-10 15:54:57 +00:00
} else {
2012-10-14 15:27:52 +00:00
proto_tree_add_item ( subtree , hf_iaaddr_pref_lifetime , tvb , off + 16 ,
4 , ENC_BIG_ENDIAN ) ;
2010-05-10 15:54:57 +00:00
}
if ( valid_lifetime = = DHCPV6_LEASEDURATION_INFINITY ) {
2012-10-14 15:27:52 +00:00
proto_tree_add_uint_format ( subtree , hf_iaaddr_valid_lifetime , tvb , off + 20 ,
4 , DHCPV6_LEASEDURATION_INFINITY , " Preferred lifetime: infinity " ) ;
2010-05-10 15:54:57 +00:00
} else {
2012-10-14 15:27:52 +00:00
proto_tree_add_item ( subtree , hf_iaaddr_valid_lifetime , tvb , off + 20 ,
4 , ENC_BIG_ENDIAN ) ;
2010-05-10 15:54:57 +00:00
}
temp_optlen = 24 ;
while ( ( optlen - temp_optlen ) > 0 ) {
temp_optlen + = dhcpv6_option ( tvb , pinfo , subtree , downstream ,
2014-09-01 09:15:47 +00:00
off + temp_optlen , off + optlen , at_end , protocol , hpi ) ;
2010-05-10 15:54:57 +00:00
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 ) {
2012-10-14 15:27:52 +00:00
proto_tree_add_item ( subtree , hf_requested_option_code , tvb , off + i ,
2 , ENC_BIG_ENDIAN ) ;
2010-05-10 15:54:57 +00:00
}
break ;
case OPTION_PREFERENCE :
if ( optlen ! = 1 ) {
2013-09-09 00:44:09 +00:00
expert_add_info_format ( pinfo , option_item , & ei_dhcpv6_malformed_option , " PREFERENCE: malformed option " ) ;
2010-05-10 15:54:57 +00:00
break ;
}
2012-10-14 15:27:52 +00:00
proto_tree_add_item ( subtree , hf_option_preference , tvb , off , 1 , ENC_BIG_ENDIAN ) ;
2010-05-10 15:54:57 +00:00
break ;
case OPTION_ELAPSED_TIME :
if ( optlen ! = 2 ) {
2013-09-09 00:44:09 +00:00
expert_add_info_format ( pinfo , option_item , & ei_dhcpv6_malformed_option , " ELAPSED-TIME: malformed option " ) ;
2010-05-10 15:54:57 +00:00
break ;
}
2012-10-14 15:27:52 +00:00
temp_optlen = tvb_get_ntohs ( tvb , off ) ;
2013-09-16 10:39:06 +00:00
proto_tree_add_uint_format_value ( subtree , hf_elapsed_time , tvb , off ,
2 , temp_optlen * 10 , " %u ms " , temp_optlen * 10 ) ;
2010-05-10 15:54:57 +00:00
break ;
case OPTION_RELAY_MSG :
if ( optlen = = 0 ) {
2013-09-09 00:44:09 +00:00
expert_add_info_format ( pinfo , option_item , & ei_dhcpv6_malformed_option , " RELAY-MSG: malformed option " ) ;
2010-05-10 15:54:57 +00:00
} else {
/* here, we should dissect a full DHCP message */
2014-09-01 09:15:47 +00:00
dissect_dhcpv6 ( tvb , pinfo , subtree , downstream , off , off + optlen , hpi ) ;
2010-05-10 15:54:57 +00:00
}
break ;
case OPTION_AUTH :
if ( optlen < 11 ) {
2013-09-09 00:44:09 +00:00
expert_add_info_format ( pinfo , option_item , & ei_dhcpv6_malformed_option , " AUTH: malformed option " ) ;
2010-05-10 15:54:57 +00:00
break ;
}
2012-10-14 15:27:52 +00:00
proto_tree_add_item ( subtree , hf_auth_protocol , tvb , off , 1 , ENC_BIG_ENDIAN ) ;
proto_tree_add_item ( subtree , hf_auth_algorithm , tvb , off + 1 , 1 , ENC_BIG_ENDIAN ) ;
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 ) ;
2010-05-10 15:54:57 +00:00
if ( optlen ! = 11 )
2012-10-14 15:27:52 +00:00
proto_tree_add_item ( subtree , hf_auth_info , tvb , off + 11 , optlen - 11 , ENC_NA ) ;
2010-05-10 15:54:57 +00:00
break ;
case OPTION_UNICAST :
if ( optlen ! = 16 ) {
2013-09-09 00:44:09 +00:00
expert_add_info_format ( pinfo , option_item , & ei_dhcpv6_malformed_option , " UNICAST: malformed option " ) ;
2010-05-10 15:54:57 +00:00
break ;
}
2013-04-22 17:28:16 +00:00
proto_tree_add_item ( subtree , hf_opt_unicast , tvb , off , 16 , ENC_NA ) ;
2010-05-10 15:54:57 +00:00
break ;
case OPTION_STATUS_CODE :
2012-10-14 15:27:52 +00:00
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 | ENC_NA ) ;
break ;
2010-05-10 15:54:57 +00:00
case OPTION_VENDOR_CLASS :
if ( optlen < 4 ) {
2013-09-09 00:44:09 +00:00
expert_add_info_format ( pinfo , option_item , & ei_dhcpv6_malformed_option , " VENDOR_CLASS: malformed option " ) ;
2010-05-10 15:54:57 +00:00
break ;
}
2011-10-06 03:35:44 +00:00
proto_tree_add_item ( subtree , hf_vendorclass_enterprise , tvb , off , 4 , ENC_BIG_ENDIAN ) ;
2012-10-14 15:27:52 +00:00
if ( optlen > 4 )
2013-04-22 17:28:16 +00:00
proto_tree_add_item ( subtree , hf_vendorclass_data , tvb , off + 6 , optlen - 6 , ENC_ASCII | ENC_NA ) ;
2010-05-10 15:54:57 +00:00
break ;
case OPTION_VENDOR_OPTS :
if ( optlen < 4 ) {
2013-09-09 00:44:09 +00:00
expert_add_info_format ( pinfo , option_item , & ei_dhcpv6_malformed_option , " VENDOR_OPTS: malformed option " ) ;
2010-05-10 15:54:57 +00:00
break ;
}
enterprise_no = tvb_get_ntohl ( tvb , off ) ;
2012-10-14 15:27:52 +00:00
ti = proto_tree_add_item ( subtree , hf_vendoropts_enterprise , tvb , off , 4 , ENC_BIG_ENDIAN ) ;
2010-05-10 15:54:57 +00:00
if ( optlen > = 4 ) {
if ( enterprise_no = = 4491 ) {
2012-10-14 15:27:52 +00:00
dissect_cablelabs_specific_opts ( subtree , ti , pinfo , tvb , off + 4 , optlen - 4 ) ;
2010-05-10 15:54:57 +00:00
} else {
int optoffset = 0 ;
2014-02-20 04:44:14 +00:00
while ( ( optlen - 4 - optoffset ) > 0 ) {
2010-05-10 15:54:57 +00:00
int olen = tvb_get_ntohs ( tvb , off + optoffset + 6 ) ;
2014-06-25 03:24:14 +00:00
subtree_2 = proto_tree_add_subtree ( subtree , tvb , off + optoffset + 4 ,
4 + olen , ett_dhcpv6_option_vsoption , NULL , " option " ) ;
2012-10-14 15:27:52 +00:00
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 ) ;
2010-05-10 15:54:57 +00:00
optoffset + = ( 4 + olen ) ;
}
}
}
break ;
case OPTION_INTERFACE_ID :
2010-05-26 21:10:02 +00:00
{
2010-05-10 15:54:57 +00:00
if ( optlen = = 0 ) {
2013-09-09 00:44:09 +00:00
expert_add_info_format ( pinfo , option_item , & ei_dhcpv6_malformed_option , " INTERFACE_ID: malformed option " ) ;
2010-05-10 15:54:57 +00:00
break ;
}
2010-05-26 21:10:02 +00:00
2014-05-11 02:07:27 +00:00
proto_tree_add_item ( subtree , hf_interface_id , tvb , off , optlen , ENC_NA ) ;
2010-05-26 21:10:02 +00:00
}
break ;
2010-05-10 15:54:57 +00:00
case OPTION_RECONF_MSG :
if ( optlen ! = 1 ) {
2013-09-09 00:44:09 +00:00
expert_add_info_format ( pinfo , option_item , & ei_dhcpv6_malformed_option , " RECONF_MSG: malformed option " ) ;
2010-05-10 15:54:57 +00:00
break ;
}
2012-10-14 15:27:52 +00:00
proto_tree_add_item ( subtree , hf_reconf_msg , tvb , off , 1 , ENC_BIG_ENDIAN ) ;
2010-05-10 15:54:57 +00:00
break ;
2012-11-10 14:00:30 +00:00
case OPTION_RECONF_ACCEPT :
if ( optlen )
2013-09-09 00:44:09 +00:00
expert_add_info_format ( pinfo , option_item , & ei_dhcpv6_malformed_option , " RECONF_ACCEPT: malformed option " ) ;
2012-11-10 14:00:30 +00:00
break ;
2010-05-10 15:54:57 +00:00
case OPTION_SIP_SERVER_D :
if ( optlen > 0 ) {
2014-11-24 04:06:34 +00:00
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 ) ;
2010-05-10 15:54:57 +00:00
}
break ;
case OPTION_SIP_SERVER_A :
if ( optlen % 16 ) {
2013-09-09 00:44:09 +00:00
expert_add_info_format ( pinfo , option_item , & ei_dhcpv6_malformed_option , " SIP servers address: malformed option " ) ;
2010-05-10 15:54:57 +00:00
break ;
}
2012-10-14 15:27:52 +00:00
for ( i = 0 ; i < optlen ; i + = 16 )
2013-04-22 17:28:16 +00:00
proto_tree_add_item ( subtree , hf_sip_server_a , tvb , off + i , 16 , ENC_NA ) ;
2010-05-10 15:54:57 +00:00
break ;
case OPTION_DNS_SERVERS :
if ( optlen % 16 ) {
2013-09-09 00:44:09 +00:00
expert_add_info_format ( pinfo , option_item , & ei_dhcpv6_malformed_option , " DNS servers address: malformed option " ) ;
2010-05-10 15:54:57 +00:00
break ;
}
2012-10-14 15:27:52 +00:00
2013-06-20 16:22:53 +00:00
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 ) ;
}
2010-05-10 15:54:57 +00:00
break ;
2014-02-19 17:57:54 +00:00
2010-05-10 15:54:57 +00:00
case OPTION_DOMAIN_LIST :
if ( optlen > 0 ) {
2014-11-24 04:06:34 +00:00
subtree_2 = proto_tree_add_subtree ( subtree , tvb , off , optlen , ett_dhcpv6_dns_domain_search_list_option , & ti , " DNS Domain Search List " ) ;
dhcpv6_domain ( subtree_2 , ti , pinfo , hf_domain_search_list_fqdn , tvb , off , optlen ) ;
2013-06-20 16:22:53 +00:00
}
2010-05-10 15:54:57 +00:00
break ;
2014-02-19 17:57:54 +00:00
/* NIS...: RFC 3898 */
2010-05-10 15:54:57 +00:00
case OPTION_NIS_SERVERS :
if ( optlen % 16 ) {
2013-09-09 00:44:09 +00:00
expert_add_info_format ( pinfo , option_item , & ei_dhcpv6_malformed_option , " NIS servers address: malformed option " ) ;
2010-05-10 15:54:57 +00:00
break ;
}
2012-10-14 15:27:52 +00:00
for ( i = 0 ; i < optlen ; i + = 16 )
2013-04-22 17:28:16 +00:00
proto_tree_add_item ( subtree , hf_nis_servers , tvb , off + i , 16 , ENC_NA ) ;
2010-05-10 15:54:57 +00:00
break ;
case OPTION_NISP_SERVERS :
if ( optlen % 16 ) {
2013-09-09 00:44:09 +00:00
expert_add_info_format ( pinfo , option_item , & ei_dhcpv6_malformed_option , " NISP servers address: malformed option " ) ;
2010-05-10 15:54:57 +00:00
break ;
}
2012-10-14 15:27:52 +00:00
for ( i = 0 ; i < optlen ; i + = 16 )
2013-04-22 17:28:16 +00:00
proto_tree_add_item ( subtree , hf_nisp_servers , tvb , off + i , 16 , ENC_NA ) ;
2010-05-10 15:54:57 +00:00
break ;
case OPTION_NIS_DOMAIN_NAME :
if ( optlen > 0 ) {
2014-11-24 04:06:34 +00:00
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 ) ;
2013-06-20 16:22:53 +00:00
}
2010-05-10 15:54:57 +00:00
break ;
case OPTION_NISP_DOMAIN_NAME :
if ( optlen > 0 ) {
2014-11-24 04:06:34 +00:00
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 ) ;
2013-06-20 16:22:53 +00:00
}
2010-05-10 15:54:57 +00:00
break ;
2014-02-19 17:57:54 +00:00
2010-05-10 15:54:57 +00:00
case OPTION_SNTP_SERVERS :
2014-02-19 17:57:54 +00:00
/* Deprecated as of RFC 5908 */
2010-05-10 15:54:57 +00:00
if ( optlen % 16 ) {
2013-09-09 00:44:09 +00:00
expert_add_info_format ( pinfo , option_item , & ei_dhcpv6_malformed_option , " SNTP servers address: malformed option " ) ;
2010-05-10 15:54:57 +00:00
break ;
}
2014-12-31 11:49:27 +00:00
for ( i = 0 ; i < optlen ; i + = 16 ) {
2013-06-20 16:22:53 +00:00
ti = proto_tree_add_item ( subtree , hf_sntp_servers , tvb , off + i , 16 , ENC_NA ) ;
proto_item_prepend_text ( ti , " %d " , i / 16 + 1 ) ;
2014-12-31 11:49:27 +00:00
}
2010-05-10 15:54:57 +00:00
break ;
case OPTION_LIFETIME :
if ( optlen ! = 4 ) {
2013-09-09 00:44:09 +00:00
expert_add_info_format ( pinfo , option_item , & ei_dhcpv6_malformed_option , " LIFETIME: malformed option " ) ;
2010-05-10 15:54:57 +00:00
break ;
}
2012-10-14 15:27:52 +00:00
proto_tree_add_item ( subtree , hf_opt_lifetime , tvb , off , 4 , ENC_BIG_ENDIAN ) ;
2010-05-10 15:54:57 +00:00
break ;
2014-02-19 17:57:54 +00:00
/* BCMCS...: RFC 4280 */
2010-05-10 15:54:57 +00:00
case OPTION_BCMCS_SERVER_D :
if ( optlen > 0 ) {
2014-11-24 04:06:34 +00:00
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 ) ;
2013-06-20 16:22:53 +00:00
}
2010-05-10 15:54:57 +00:00
break ;
case OPTION_BCMCS_SERVER_A :
if ( optlen % 16 ) {
2013-09-09 00:44:09 +00:00
expert_add_info_format ( pinfo , option_item , & ei_dhcpv6_malformed_option , " BCMCS servers address: malformed option " ) ;
2010-05-10 15:54:57 +00:00
break ;
}
2012-10-14 15:27:52 +00:00
for ( i = 0 ; i < optlen ; i + = 16 )
2013-04-22 17:28:16 +00:00
proto_tree_add_item ( subtree , hf_bcmcs_servers_a , tvb , off + i , 16 , ENC_NA ) ;
2010-05-10 15:54:57 +00:00
break ;
2014-02-19 17:57:54 +00:00
2010-05-10 15:54:57 +00:00
case OPTION_REMOTE_ID :
if ( optlen < 4 ) {
2013-09-09 00:44:09 +00:00
expert_add_info_format ( pinfo , option_item , & ei_dhcpv6_malformed_option , " REMOTE_ID: malformed option " ) ;
2010-05-10 15:54:57 +00:00
break ;
}
2011-10-06 03:35:44 +00:00
proto_tree_add_item ( subtree , hf_remoteid_enterprise , tvb , off , 4 , ENC_BIG_ENDIAN ) ;
2010-05-10 15:54:57 +00:00
off + = 4 ;
2014-09-19 01:18:34 +00:00
proto_tree_add_item ( subtree , hf_remoteid_enterprise_id , tvb , off , optlen - 4 , ENC_NA ) ;
2010-05-10 15:54:57 +00:00
break ;
case OPTION_SUBSCRIBER_ID :
if ( optlen = = 0 ) {
2013-09-09 00:44:09 +00:00
expert_add_info_format ( pinfo , option_item , & ei_dhcpv6_malformed_option , " SUBSCRIBER_ID: malformed option " ) ;
2010-05-10 15:54:57 +00:00
break ;
}
2012-10-14 15:27:52 +00:00
proto_tree_add_item ( subtree , hf_subscriber_id , tvb , off , optlen , ENC_ASCII | ENC_NA ) ;
2010-05-10 15:54:57 +00:00
break ;
case OPTION_CLIENT_FQDN :
if ( optlen < 1 ) {
2013-09-09 00:44:09 +00:00
expert_add_info_format ( pinfo , option_item , & ei_dhcpv6_malformed_option , " FQDN: malformed option " ) ;
2010-05-10 15:54:57 +00:00
} else {
/*
* + - - - - - + - + - + - +
* | MBZ | N | O | S |
* + - - - - - + - + - + - +
*/
2011-10-06 03:35:44 +00:00
proto_tree_add_item ( subtree , hf_clientfqdn_reserved , tvb , off , 1 , ENC_BIG_ENDIAN ) ;
2011-10-10 00:39:31 +00:00
proto_tree_add_item ( subtree , hf_clientfqdn_n , tvb , off , 1 , ENC_BIG_ENDIAN ) ;
proto_tree_add_item ( subtree , hf_clientfqdn_o , tvb , off , 1 , ENC_BIG_ENDIAN ) ;
proto_tree_add_item ( subtree , hf_clientfqdn_s , tvb , off , 1 , ENC_BIG_ENDIAN ) ;
2014-02-19 17:57:54 +00:00
dhcpv6_domain ( subtree , option_item , pinfo , hf_client_fqdn , tvb , off + 1 , optlen - 1 ) ;
2010-05-10 15:54:57 +00:00
}
break ;
case OPTION_PANA_AGENT :
if ( optlen % 16 ) {
2013-09-09 00:44:09 +00:00
expert_add_info_format ( pinfo , option_item , & ei_dhcpv6_malformed_option , " PANA agent address: malformed option " ) ;
2010-05-10 15:54:57 +00:00
break ;
}
2012-10-14 15:27:52 +00:00
for ( i = 0 ; i < optlen ; i + = 16 )
2013-04-22 17:28:16 +00:00
proto_tree_add_item ( subtree , hf_pana_agent , tvb , off + i , 16 , ENC_NA ) ;
2010-05-10 15:54:57 +00:00
break ;
case OPTION_TIME_ZONE :
2012-10-14 15:27:52 +00:00
if ( optlen > 0 )
proto_tree_add_item ( subtree , hf_opt_timezone , tvb , off , optlen , ENC_ASCII | ENC_NA ) ;
2010-05-10 15:54:57 +00:00
break ;
case OPTION_TZDB :
2012-10-14 15:27:52 +00:00
if ( optlen > 0 )
proto_tree_add_item ( subtree , hf_opt_tzdb , tvb , off , optlen , ENC_ASCII | ENC_NA ) ;
2010-05-10 15:54:57 +00:00
break ;
case OPTION_LQ_QUERY :
2013-01-25 03:40:53 +00:00
{
guint8 query_type ;
2010-05-10 15:54:57 +00:00
if ( optlen < 17 ) {
2013-09-09 00:44:09 +00:00
expert_add_info_format ( pinfo , option_item , & ei_dhcpv6_malformed_option , " LQ-QUERY: malformed option " ) ;
2010-05-10 15:54:57 +00:00
break ;
}
2013-01-25 03:40:53 +00:00
query_type = tvb_get_guint8 ( tvb , off ) ;
ti = proto_tree_add_item ( subtree , hf_lq_query , tvb , off , 1 , ENC_BIG_ENDIAN ) ;
2014-02-20 04:44:14 +00:00
if ( ( protocol = = proto_dhcpv6 ) & &
( ( query_type = = LQ_QUERY_RELAYID ) | |
2013-01-25 03:40:53 +00:00
( query_type = = LQ_QUERY_LINK_ADDRESS ) | |
( query_type = = LQ_QUERY_REMOTEID ) ) ) {
2013-05-25 03:27:31 +00:00
expert_add_info ( pinfo , ti , & ei_dhcpv6_bulk_leasequery_bad_query_type ) ;
2013-01-25 03:40:53 +00:00
}
2012-10-14 15:27:52 +00:00
2013-04-22 17:28:16 +00:00
proto_tree_add_item ( subtree , hf_lq_query_link_address , tvb , off + 1 , 16 , ENC_NA ) ;
2010-05-10 15:54:57 +00:00
temp_optlen = 17 ;
while ( ( optlen - temp_optlen ) > 0 ) {
temp_optlen + = dhcpv6_option ( tvb , pinfo , subtree ,
downstream , off + temp_optlen ,
2014-09-01 09:15:47 +00:00
off + optlen , at_end , protocol , hpi ) ;
2010-05-10 15:54:57 +00:00
if ( * at_end ) {
/* Bad option - just skip to the end */
temp_optlen = optlen ;
}
}
2013-01-25 03:40:53 +00:00
}
break ;
2010-05-10 15:54:57 +00:00
case OPTION_CLIENT_DATA :
temp_optlen = 0 ;
while ( ( optlen - temp_optlen ) > 0 ) {
temp_optlen + = dhcpv6_option ( tvb , pinfo , subtree ,
downstream , off + temp_optlen ,
2014-09-01 09:15:47 +00:00
off + optlen , at_end , protocol , hpi ) ;
2010-05-10 15:54:57 +00:00
if ( * at_end ) {
/* Bad option - just skip to the end */
temp_optlen = optlen ;
}
}
break ;
case OPTION_CLT_TIME :
if ( optlen ! = 4 ) {
2013-09-09 00:44:09 +00:00
expert_add_info_format ( pinfo , option_item , & ei_dhcpv6_malformed_option , " CLT_TIME: malformed option " ) ;
2010-05-10 15:54:57 +00:00
break ;
}
2012-10-14 15:27:52 +00:00
proto_tree_add_item ( subtree , hf_clt_time , tvb , off , 4 , ENC_BIG_ENDIAN ) ;
2010-05-10 15:54:57 +00:00
break ;
case OPTION_LQ_RELAY_DATA :
if ( optlen < 16 ) {
2013-09-09 00:44:09 +00:00
expert_add_info_format ( pinfo , option_item , & ei_dhcpv6_malformed_option , " LQ_RELAY_DATA: malformed option " ) ;
2010-05-10 15:54:57 +00:00
break ;
}
2012-10-14 15:27:52 +00:00
2013-01-25 03:40:53 +00:00
if ( protocol = = proto_dhcpv6_bulk_leasequery ) {
2013-05-25 03:27:31 +00:00
expert_add_info ( pinfo , option_item , & ei_dhcpv6_bulk_leasequery_no_lq_relay_data ) ;
2013-01-25 03:40:53 +00:00
}
2013-04-22 17:28:16 +00:00
proto_tree_add_item ( subtree , hf_lq_relay_data_peer_addr , tvb , off , 16 , ENC_NA ) ;
2012-10-14 15:27:52 +00:00
proto_tree_add_item ( subtree , hf_lq_relay_data_msg , tvb , off + 16 , optlen - 16 , ENC_ASCII | ENC_NA ) ;
2010-05-10 15:54:57 +00:00
break ;
case OPTION_LQ_CLIENT_LINK :
if ( optlen % 16 ) {
2013-09-09 00:44:09 +00:00
expert_add_info_format ( pinfo , option_item , & ei_dhcpv6_malformed_option , " LQ client links address: malformed option " ) ;
2010-05-10 15:54:57 +00:00
break ;
}
2012-10-14 15:27:52 +00:00
for ( i = 0 ; i < optlen ; i + = 16 )
2013-04-22 17:28:16 +00:00
proto_tree_add_item ( subtree , hf_lq_client_link , tvb , off + i , 16 , ENC_NA ) ;
2010-05-10 15:54:57 +00:00
break ;
case OPTION_CAPWAP_AC_V6 :
if ( optlen % 16 ) {
2013-09-09 00:44:09 +00:00
expert_add_info_format ( pinfo , option_item , & ei_dhcpv6_malformed_option , " CAPWAP Access Controllers address: malformed option " ) ;
2010-05-10 15:54:57 +00:00
break ;
}
2012-10-14 15:27:52 +00:00
for ( i = 0 ; i < optlen ; i + = 16 )
2013-04-22 17:28:16 +00:00
proto_tree_add_item ( subtree , hf_capwap_ac_v6 , tvb , off + i , 16 , ENC_NA ) ;
2010-05-10 15:54:57 +00:00
break ;
2014-02-19 17:57:54 +00:00
2011-08-11 09:25:37 +00:00
case OPTION_AFTR_NAME :
{
2014-02-20 21:44:56 +00:00
dhcpv6_domain ( subtree , option_item , pinfo , hf_aftr_name , tvb , off , optlen ) ;
2011-08-11 09:25:37 +00:00
break ;
}
2014-02-19 17:57:54 +00:00
2010-05-10 15:54:57 +00:00
case OPTION_IAPREFIX :
if ( optlen < 25 ) {
2013-09-09 00:44:09 +00:00
expert_add_info_format ( pinfo , option_item , & ei_dhcpv6_malformed_option , " IAPREFIX: malformed option " ) ;
2010-05-10 15:54:57 +00:00
break ;
}
2009-04-02 19:41:09 +00:00
2012-10-14 15:27:52 +00:00
if ( tvb_get_ntohl ( tvb , off ) = = DHCPV6_LEASEDURATION_INFINITY ) {
2013-09-15 01:48:30 +00:00
proto_tree_add_uint_format_value ( subtree , hf_iaprefix_pref_lifetime , tvb , off ,
4 , DHCPV6_LEASEDURATION_INFINITY , " infinity " ) ;
2010-05-10 15:54:57 +00:00
} else {
2012-10-14 15:27:52 +00:00
proto_tree_add_item ( subtree , hf_iaprefix_pref_lifetime , tvb , off ,
4 , ENC_BIG_ENDIAN ) ;
2010-05-10 15:54:57 +00:00
}
2012-10-14 15:27:52 +00:00
if ( tvb_get_ntohl ( tvb , off + 4 ) = = DHCPV6_LEASEDURATION_INFINITY ) {
2013-09-15 01:48:30 +00:00
proto_tree_add_uint_format_value ( subtree , hf_iaprefix_valid_lifetime , tvb , off + 4 ,
4 , DHCPV6_LEASEDURATION_INFINITY , " infinity " ) ;
2010-05-10 15:54:57 +00:00
} else {
2012-10-14 15:27:52 +00:00
proto_tree_add_item ( subtree , hf_iaprefix_valid_lifetime , tvb , off + 4 ,
4 , ENC_BIG_ENDIAN ) ;
2010-05-10 15:54:57 +00:00
}
2012-10-14 15:27:52 +00:00
proto_tree_add_item ( subtree , hf_iaprefix_pref_len , tvb , off + 8 , 1 , ENC_BIG_ENDIAN ) ;
2013-04-22 17:28:16 +00:00
proto_tree_add_item ( subtree , hf_iaprefix_pref_addr , tvb , off + 9 , 16 , ENC_NA ) ;
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temp_optlen = 25 ;
while ( ( optlen - temp_optlen ) > 0 ) {
temp_optlen + = dhcpv6_option ( tvb , pinfo , subtree , downstream ,
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off + temp_optlen , off + optlen , at_end , protocol , hpi ) ;
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if ( * at_end ) {
/* Bad option - just skip to the end */
temp_optlen = optlen ;
}
}
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break ;
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case OPTION_MIP6_HA :
if ( optlen ! = 16 ) {
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expert_add_info_format ( pinfo , option_item , & ei_dhcpv6_malformed_option , " MIP6_HA: malformed option " ) ;
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break ;
}
2013-04-22 17:28:16 +00:00
proto_tree_add_item ( subtree , hf_mip6_ha , tvb , off , 16 , ENC_NA ) ;
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break ;
case OPTION_MIP6_HOA :
if ( optlen ! = 16 ) {
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expert_add_info_format ( pinfo , option_item , & ei_dhcpv6_malformed_option , " MIP6_HOA: malformed option " ) ;
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break ;
}
2013-04-22 17:28:16 +00:00
proto_tree_add_item ( subtree , hf_mip6_hoa , tvb , off , 16 , ENC_NA ) ;
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break ;
case OPTION_NAI :
if ( optlen < 4 ) {
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expert_add_info_format ( pinfo , option_item , & ei_dhcpv6_malformed_option , " NAI: malformed option " ) ;
2010-05-10 15:54:57 +00:00
break ;
}
2012-10-14 15:27:52 +00:00
proto_tree_add_item ( subtree , hf_nai , tvb , off , optlen - 2 , ENC_ASCII | ENC_NA ) ;
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break ;
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case OPTION_PD_EXCLUDE :
if ( ( optlen < 2 ) | | ( optlen > 17 ) ) {
2013-09-09 00:44:09 +00:00
expert_add_info_format ( pinfo , option_item , & ei_dhcpv6_malformed_option , " PD_EXCLUDE: malformed option " ) ;
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break ;
}
proto_tree_add_item ( subtree , hf_pd_exclude_pref_len , tvb , off , 1 , ENC_BIG_ENDIAN ) ;
2013-06-13 14:20:20 +00:00
proto_tree_add_item ( subtree , hf_pd_exclude_subnet_id , tvb , off + 1 , optlen - 1 , ENC_NA ) ;
2013-06-13 14:18:10 +00:00
break ;
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}
return 4 + optlen ;
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}
2009-04-02 19:41:09 +00:00
2014-02-20 04:44:14 +00:00
/* May be called recursively */
2010-02-01 22:31:37 +00:00
static void
dissect_dhcpv6 ( tvbuff_t * tvb , packet_info * pinfo , proto_tree * tree ,
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gboolean downstream , int off , int eoff , hopcount_info hpi )
2009-04-02 19:41:09 +00:00
{
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proto_tree * bp_tree = NULL ;
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proto_item * ti ;
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guint8 msgtype ;
gboolean at_end ;
2010-02-01 22:31:37 +00:00
2010-05-10 15:54:57 +00:00
msgtype = tvb_get_guint8 ( tvb , off ) ;
2010-02-01 22:31:37 +00:00
2014-02-19 20:51:23 +00:00
col_append_fstr ( pinfo - > cinfo , COL_INFO , " %s " , val_to_str_ext ( msgtype , & msgtype_vals_ext , " Message Type %u " ) ) ;
2010-02-01 22:31:37 +00:00
2010-05-10 15:54:57 +00:00
if ( tree ) {
2011-10-21 02:10:19 +00:00
ti = proto_tree_add_item ( tree , proto_dhcpv6 , tvb , off , eoff - off , ENC_NA ) ;
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bp_tree = proto_item_add_subtree ( ti , ett_dhcpv6 ) ;
}
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2014-02-20 04:44:14 +00:00
if ( ( msgtype = = RELAY_FORW ) | | ( msgtype = = RELAY_REPLY ) ) {
2014-09-07 14:35:10 +00:00
const guint8 previous_hopcount = hpi . hopcount ;
proto_item * previous_pi = hpi . pi ;
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if ( tree ) {
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proto_tree_add_item ( bp_tree , hf_dhcpv6_msgtype , tvb , off , 1 , ENC_BIG_ENDIAN ) ;
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hpi . pi = proto_tree_add_item ( bp_tree , hf_dhcpv6_hopcount , tvb , off + 1 , 1 , ENC_BIG_ENDIAN ) ;
2014-02-20 04:44:14 +00:00
proto_tree_add_item ( bp_tree , hf_dhcpv6_linkaddr , tvb , off + 2 , 16 , ENC_NA ) ;
2011-10-10 00:39:31 +00:00
proto_tree_add_item ( bp_tree , hf_dhcpv6_peeraddr , tvb , off + 18 , 16 , ENC_NA ) ;
2014-08-30 22:17:07 +00:00
}
/* Check the hopcount not exceed the HOP_COUNT_LIMIT */
2014-09-01 09:15:47 +00:00
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 ) ;
2010-05-10 15:54:57 +00:00
}
2014-09-07 14:35:10 +00:00
/* 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 ;
2014-12-21 17:38:13 +00:00
col_append_fstr ( pinfo - > cinfo , COL_INFO , " L: %s " , tvb_ip6_to_str ( tvb , off + 2 ) ) ;
2010-05-10 15:54:57 +00:00
off + = 34 ;
} else {
2014-09-01 09:15:47 +00:00
/* 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 ) ;
}
2010-05-10 15:54:57 +00:00
if ( tree ) {
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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 ) ;
2010-05-10 15:54:57 +00:00
}
col_append_fstr ( pinfo - > cinfo , COL_INFO , " XID: 0x%x " , tvb_get_ntoh24 ( tvb , off + 1 ) ) ;
off + = 4 ;
}
at_end = FALSE ;
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while ( ( off < eoff ) & & ! at_end )
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off + = dhcpv6_option ( tvb , pinfo , bp_tree , downstream , off , eoff , & at_end , proto_dhcpv6 , hpi ) ;
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}
2009-04-02 19:41:09 +00:00
2010-02-01 22:31:37 +00:00
static void
dissect_dhcpv6_downstream ( tvbuff_t * tvb , packet_info * pinfo , proto_tree * tree )
{
2014-09-01 09:15:47 +00:00
hopcount_info hpi ;
2014-09-07 14:35:10 +00:00
initialize_hopount_info ( & hpi ) ;
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col_set_str ( pinfo - > cinfo , COL_PROTOCOL , " DHCPv6 " ) ;
col_clear ( pinfo - > cinfo , COL_INFO ) ;
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dissect_dhcpv6 ( tvb , pinfo , tree , TRUE , 0 , tvb_reported_length ( tvb ) , hpi ) ;
2010-02-01 22:31:37 +00:00
}
2009-04-02 19:41:09 +00:00
2010-02-01 22:31:37 +00:00
static void
dissect_dhcpv6_upstream ( tvbuff_t * tvb , packet_info * pinfo , proto_tree * tree )
{
2014-09-01 09:15:47 +00:00
hopcount_info hpi ;
2014-09-07 14:35:10 +00:00
initialize_hopount_info ( & hpi ) ;
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col_set_str ( pinfo - > cinfo , COL_PROTOCOL , " DHCPv6 " ) ;
col_clear ( pinfo - > cinfo , COL_INFO ) ;
2014-09-01 09:15:47 +00:00
dissect_dhcpv6 ( tvb , pinfo , tree , FALSE , 0 , tvb_reported_length ( tvb ) , hpi ) ;
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}
2009-04-02 19:41:09 +00:00
2013-01-11 14:41:17 +00:00
static guint
2015-01-25 19:30:13 +00:00
get_dhcpv6_bulk_leasequery_pdu_len ( packet_info * pinfo _U_ , tvbuff_t * tvb ,
int offset , void * data _U_ )
2013-01-11 14:41:17 +00:00
{
return ( tvb_get_ntohs ( tvb , offset ) + 2 ) ;
}
2013-11-09 17:46:28 +00:00
static int
2014-02-20 04:44:14 +00:00
dissect_dhcpv6_bulk_leasequery_pdu ( tvbuff_t * tvb , packet_info * pinfo , proto_tree * tree , void * data _U_ )
2013-01-11 14:41:17 +00:00
{
proto_item * ti ;
proto_tree * bulk_tree , * option_tree ;
2014-02-20 04:44:14 +00:00
gint offset = 0 , end ;
guint16 size , trans_id ;
guint8 msg_type ;
gboolean at_end = FALSE ;
2014-09-01 09:15:47 +00:00
hopcount_info hpi ;
2014-09-07 14:35:10 +00:00
initialize_hopount_info ( & hpi ) ;
2013-01-11 14:41:17 +00:00
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 ) ;
2013-01-25 03:40:53 +00:00
ti = proto_tree_add_item ( bulk_tree , hf_dhcpv6_bulk_leasequery_msgtype , tvb , offset , 1 , ENC_BIG_ENDIAN ) ;
2014-02-20 04:44:14 +00:00
if ( ( msg_type ! = LEASEQUERY ) & &
2013-01-25 03:40:53 +00:00
( msg_type ! = LEASEQUERY_REPLY ) & &
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( msg_type ! = LEASEQUERY_DONE ) & &
2013-01-25 03:40:53 +00:00
( msg_type ! = LEASEQUERY_DATA ) )
2013-09-09 00:44:09 +00:00
expert_add_info_format ( pinfo , ti , & ei_dhcpv6_bulk_leasequery_bad_msg_type ,
2013-01-25 03:40:53 +00:00
" Message Type %d not allowed by DHCPv6 Bulk Leasequery " , msg_type ) ;
2014-02-20 04:44:14 +00:00
offset + = 1 ;
2013-01-11 14:41:17 +00:00
proto_tree_add_item ( bulk_tree , hf_dhcpv6_bulk_leasequery_reserved , tvb , offset , 1 , ENC_BIG_ENDIAN ) ;
2014-02-20 04:44:14 +00:00
offset + = 1 ;
2013-01-11 14:41:17 +00:00
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 " ,
2014-02-19 20:51:23 +00:00
val_to_str_ext_const ( msg_type , & msgtype_vals_ext , " Unknown " ) , trans_id ) ;
2013-01-11 14:41:17 +00:00
2014-06-25 03:24:14 +00:00
option_tree = proto_tree_add_subtree ( bulk_tree , tvb , offset , - 1 , ett_dhcpv6_bulk_leasequery_options , NULL , " DHCPv6 Options " ) ;
2014-02-20 04:44:14 +00:00
end = size + 2 ;
2013-01-11 14:41:17 +00:00
while ( ( offset < end ) & & ! at_end )
2013-01-25 03:40:53 +00:00
offset + = dhcpv6_option ( tvb , pinfo , option_tree , FALSE , offset ,
2014-09-01 09:15:47 +00:00
end , & at_end , proto_dhcpv6_bulk_leasequery , hpi ) ;
2013-11-09 17:46:28 +00:00
2015-04-16 13:58:53 +00:00
return tvb_reported_length ( tvb ) ;
2013-01-11 14:41:17 +00:00
}
2013-11-09 17:46:28 +00:00
static int
2014-02-20 04:44:14 +00:00
dissect_dhcpv6_bulk_leasequery ( tvbuff_t * tvb , packet_info * pinfo , proto_tree * tree , void * data )
2013-01-11 14:41:17 +00:00
{
2013-06-20 16:22:53 +00:00
tcp_dissect_pdus ( tvb , pinfo , tree , dhcpv6_bulk_leasequery_desegment , 2 ,
2013-11-09 17:46:28 +00:00
get_dhcpv6_bulk_leasequery_pdu_len , dissect_dhcpv6_bulk_leasequery_pdu , data ) ;
2015-04-16 13:58:53 +00:00
return tvb_reported_length ( tvb ) ;
2013-01-11 14:41:17 +00:00
}
2010-02-01 22:31:37 +00:00
void
proto_register_dhcpv6 ( void )
{
2013-01-11 14:41:17 +00:00
module_t * bulkquery_module ;
2010-05-10 15:54:57 +00:00
static hf_register_info hf [ ] = {
/* DHCPv6 header */
{ & hf_dhcpv6_msgtype ,
2014-02-19 20:51:23 +00:00
{ " Message type " , " dhcpv6.msgtype " , FT_UINT8 , BASE_DEC | BASE_EXT_STRING , & msgtype_vals_ext , 0x0 , NULL , HFILL } } ,
2010-05-10 15:54:57 +00:00
{ & 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 ,
2014-02-19 20:51:23 +00:00
{ " Option " , " dhcpv6.option.type " , FT_UINT16 , BASE_DEC | BASE_EXT_STRING , & opttype_vals_ext , 0x0 , NULL , HFILL } } ,
2010-05-10 15:54:57 +00:00
{ & hf_option_length ,
{ " Length " , " dhcpv6.option.length " , FT_UINT16 , BASE_DEC , NULL , 0x0 , NULL , HFILL } } ,
{ & hf_option_value ,
{ " Value " , " dhcpv6.option.value " , FT_BYTES , BASE_NONE , NULL , 0x0 , NULL , HFILL } } ,
/* Individual options */
{ & hf_clientfqdn_reserved ,
{ " Reserved " , " dhcpv6.clientfqdn.reserved " , FT_UINT8 , BASE_HEX , NULL , 0xF8 , NULL , HFILL } } ,
{ & hf_clientfqdn_n ,
2010-08-16 21:41:29 +00:00
{ " N bit " , " dhcpv6.clientfqdn.n " , FT_BOOLEAN , 8 , TFS ( & fqdn_n ) , 0x4 , " Whether the server SHOULD NOT perform any DNS updates " , HFILL } } ,
2010-05-10 15:54:57 +00:00
{ & hf_clientfqdn_o ,
2010-08-16 21:41:29 +00:00
{ " O bit " , " dhcpv6.clientfqdn.o " , FT_BOOLEAN , 8 , TFS ( & fqdn_o ) , 0x2 , " Whether the server has overridden the client's preference for the S bit. Must be 0 when sent from client " , HFILL } } ,
2010-05-10 15:54:57 +00:00
{ & hf_clientfqdn_s ,
2010-08-16 21:41:29 +00:00
{ " S bit " , " dhcpv6.clientfqdn.s " , FT_BOOLEAN , 8 , TFS ( & fqdn_s ) , 0x1 , " Whether the server SHOULD or SHOULD NOT perform the AAAA RR (FQDN-to-address) DNS updates " , HFILL } } ,
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{ & hf_remoteid_enterprise ,
2011-04-19 08:22:58 +00:00
{ " Enterprise ID " , " dhcpv6.remoteid.enterprise " , FT_UINT32 , BASE_DEC | BASE_EXT_STRING , & sminmpec_values_ext , 0 , " RemoteID Enterprise Number " , HFILL } } ,
2012-10-14 15:27:52 +00:00
{ & 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_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 } } ,
2010-05-10 15:54:57 +00:00
{ & hf_duiden_enterprise ,
2011-04-19 08:22:58 +00:00
{ " Enterprise ID " , " dhcpv6.duiden.enterprise " , FT_UINT32 , BASE_DEC | BASE_EXT_STRING , & sminmpec_values_ext , 0 , " DUID EN Enterprise Number " , HFILL } } ,
2012-10-14 15:27:52 +00:00
{ & 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_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 ,
2014-02-19 20:51:23 +00:00
{ " Requested Option code " , " dhcpv6.requested_option_code " , FT_UINT16 , BASE_DEC | BASE_EXT_STRING , & opttype_vals_ext , 0 , NULL , HFILL } } ,
2012-10-14 15:27:52 +00:00
{ & 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 , NULL , 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_opt_unicast ,
{ " IPv6 address " , " dhcpv6.unicast " , FT_IPv6 , BASE_NONE , NULL , 0x0 , NULL , HFILL } } ,
{ & hf_opt_status_code ,
2014-02-19 20:51:23 +00:00
{ " Status Code " , " dhcpv6.status_code " , FT_UINT16 , BASE_DEC | BASE_EXT_STRING , & statuscode_vals_ext , 0 , NULL , HFILL } } ,
2012-10-14 15:27:52 +00:00
{ & 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_DEC | BASE_EXT_STRING , & sminmpec_values_ext , 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_DEC | BASE_EXT_STRING , & sminmpec_values_ext , 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 ,
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{ " Interface-ID " , " dhcpv6.interface_id " , FT_BYTES , BASE_NONE , NULL , 0 , NULL , HFILL } } ,
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{ & hf_reconf_msg ,
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{ " Reconfigure message type " , " dhcpv6.reconf_msg " , FT_UINT8 , BASE_DEC | BASE_EXT_STRING , & msgtype_vals_ext , 0 , NULL , HFILL } } ,
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{ & 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 } } ,
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{ & 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 } } ,
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{ & hf_domain_search_list_fqdn ,
{ " Domain Search List FQDN " , " dhcpv6.domain_search_list_fqdn " , FT_STRING , BASE_NONE , NULL , 0x0 , NULL , HFILL } } ,
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{ & 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 } } ,
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{ & 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 } } ,
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{ & 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 } } ,
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{ & hf_bcmcs_servers_fqdn ,
{ " BCMCS server FQDN " , " dhcpv6.bcmcs_server_fqdn " , FT_STRING , BASE_NONE , NULL , 0x0 , NULL , HFILL } } ,
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{ & 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 } } ,
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{ & hf_client_fqdn ,
{ " Client FQDN " , " dhcpv6.client_fqdn " , FT_STRING , BASE_NONE , NULL , 0x0 , NULL , HFILL } } ,
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{ & 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 } } ,
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{ & 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 } } ,
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{ & 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 } } ,
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{ & hf_option_ntpserver_fqdn ,
{ " NTP Server FQDN " , " dhcpv6.ntpserver.fqdn " , FT_STRING , BASE_NONE , NULL , 0x0 , NULL , HFILL } } ,
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{ & 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 ,
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{ " Sub element " , " dhcpv6.packetcable.cccV6.suboption " , FT_UINT16 , BASE_DEC | BASE_EXT_STRING , & pkt_cccV6_opt_vals_ext , 0 , NULL , HFILL } } ,
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{ & hf_modem_capabilities_encoding_type ,
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{ " Type " , " dhcpv6.docsis.cccV6.tlv5.suboption " , FT_UINT16 , BASE_DEC | BASE_EXT_STRING , & modem_capabilities_encoding_ext , 0 , NULL , HFILL } } ,
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{ & hf_eue_capabilities_encoding_type ,
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{ " Type " , " dhcpv6.packetcable.cccV6.tlv5.suboption " , FT_UINT16 , BASE_DEC | BASE_EXT_STRING , & eue_capabilities_encoding_ext , 0 , NULL , HFILL } } ,
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{ & 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 ,
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{ " Value " , " dhcpv6.cccV6.tlv5.suboption.value_number " , FT_UINT16 , BASE_DEC , NULL , 0 , NULL , HFILL } } ,
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{ & hf_packetcable_cccV6_pri_dss ,
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{ " Primary SSID " , " dhcpv6.packetcable.cccV6.pri_dss " , FT_STRINGZ , BASE_NONE , NULL , 0 , NULL , HFILL } } ,
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{ & hf_packetcable_cccV6_sec_dss ,
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{ " Secondary SSID " , " dhcpv6.packetcable.cccV6.sec_dss " , FT_STRINGZ , BASE_NONE , NULL , 0 , NULL , HFILL } } ,
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{ & 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 ,
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{ " FQDN " , " dhcpv6.packetcable.cccV6.prov_srv.fqdn " , FT_STRING , BASE_NONE , NULL , 0 , NULL , HFILL } } ,
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{ & 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 ,
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{ " KRB Realm " , " dhcpv6.packetcable.cccV6.krb_realm " , FT_STRING , BASE_NONE , NULL , 0 , NULL , HFILL } } ,
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{ & 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 , TFS ( & tfs_true_false ) , 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 ) , 0x01 , 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 ) , 0x02 , NULL , HFILL } } ,
{ & hf_cablelabs_opts ,
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{ " Suboption " , " dhcpv6.cablelabs.opt " , FT_UINT16 , BASE_DEC | BASE_EXT_STRING , & cl_vendor_subopt_values_ext , 0 , NULL , HFILL } } ,
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{ & hf_cablelabs_ipv6_server ,
{ " IPv6 address " , " dhcpv6.cablelabs.ipv6_server " , FT_IPv6 , BASE_NONE , NULL , 0x0 , NULL , HFILL } } ,
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{ & hf_cablelabs_docsis_version_number ,
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{ " DOCSIS Version Number " , " dhcpv6.cablelabs.docsis_version_number " , FT_UINT16 , BASE_CUSTOM , CF_FUNC ( cablelabs_fmt_docsis_version ) , 0x0 , NULL , HFILL } } ,
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} ;
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static gint * ett [ ] = {
& ett_dhcpv6 ,
& ett_dhcpv6_option ,
& ett_dhcpv6_option_vsoption ,
& ett_dhcpv6_vendor_option ,
& ett_dhcpv6_pkt_option ,
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& ett_dhcpv6_netserver_option ,
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& 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 ,
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} ;
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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_malformed_dns , { " dhcpv6.malformed_dns " , PI_PROTOCOL , PI_WARN , " Malformed DNS name record (MS Vista client?) " , EXPFILL } } ,
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{ & ei_dhcpv6_error_hopcount , { " dhcpv6.error_hopcount " , PI_PROTOCOL , PI_WARN , " Detected error on hop-count " , EXPFILL } } ,
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} ;
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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 ,
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{ " Message type " , " dhcpv6.bulk_leasequery.msgtype " , FT_UINT8 , BASE_DEC | BASE_EXT_STRING , & msgtype_vals_ext , 0x0 , NULL , HFILL } } ,
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{ & 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
} ;
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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_no_lq_relay_data , { " dhcpv6.bulk_leasequery.no_lq_relay_data " , PI_MALFORMED , PI_WARN , " LQ_RELAY_DATA: Not allowed in 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 } } ,
} ;
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expert_module_t * expert_dhcpv6 ;
expert_module_t * expert_dhcpv6_bulk_leasequery ;
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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 ) ) ;
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expert_dhcpv6 = expert_register_protocol ( proto_dhcpv6 ) ;
expert_register_field_array ( expert_dhcpv6 , ei , array_length ( ei ) ) ;
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proto_dhcpv6_bulk_leasequery = proto_register_protocol ( " DHCPv6 Bulk Leasequery " , " DHCPv6 Bulk Leasequery " , " 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 ) ) ;
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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 ) ) ;
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/* Allow other dissectors to find this one by name.
Just choose upstream version for now as they are identical . */
register_dissector ( " dhcpv6 " , dissect_dhcpv6_upstream , proto_dhcpv6 ) ;
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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 ) ;
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}
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void
proto_reg_handoff_dhcpv6 ( void )
{
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dissector_handle_t dhcpv6_handle , dhcpv6_bulkquery_handle ;
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dhcpv6_handle = create_dissector_handle ( dissect_dhcpv6_downstream ,
proto_dhcpv6 ) ;
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dissector_add_uint ( " udp.port " , UDP_PORT_DHCPV6_DOWNSTREAM , dhcpv6_handle ) ;
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dhcpv6_handle = create_dissector_handle ( dissect_dhcpv6_upstream ,
proto_dhcpv6 ) ;
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dissector_add_uint ( " udp.port " , UDP_PORT_DHCPV6_UPSTREAM , dhcpv6_handle ) ;
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dhcpv6_bulkquery_handle = new_create_dissector_handle ( dissect_dhcpv6_bulk_leasequery ,
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proto_dhcpv6_bulk_leasequery ) ;
dissector_add_uint ( " tcp.port " , UDP_PORT_DHCPV6_UPSTREAM , dhcpv6_bulkquery_handle ) ;
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}
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2013-04-22 17:28:16 +00:00
/*
* 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 :
*/