osmith
/
wireshark
forked from osmocom/wireshark
1
0
Fork 0
Code Pull Requests Releases Wiki Activity
wireshark/epan/dissectors/packet-isakmp.c

8056 lines
327 KiB
C
Raw Blame History

/* packet-isakmp.c
* Routines for the Internet Security Association and Key Management Protocol
* (ISAKMP) (RFC 2408) and the Internet IP Security Domain of Interpretation
* for ISAKMP (RFC 2407)
* Brad Robel-Forrest <brad.robel-forrest@watchguard.com>
*
* Added routines for the Internet Key Exchange (IKEv2) Protocol
* (draft-ietf-ipsec-ikev2-17.txt)
* Shoichi Sakane <sakane@tanu.org>
*
* Added routines for RFC3947 Negotiation of NAT-Traversal in the IKE
* ronnie sahlberg
*
* 04/2009 Added routines for decryption of IKEv2 Encrypted Payload
* Naoyoshi Ueda <piyomaru3141@gmail.com>
*
* 08/2016 Added decryption using AES-GCM, AES-CCM and AES-CTR
* and verification using AES-GCM, AES-CCM
* Michal Skalski <mskalski13@gmail.com>
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* SPDX-License-Identifier: GPL-2.0-or-later
*
* References:
* IKEv2 https://tools.ietf.org/html/rfc4306
* IKEv2bis https://tools.ietf.org/html/rfc5996
*
* http://www.iana.org/assignments/isakmp-registry (last updated 2011-11-07)
* http://www.iana.org/assignments/ipsec-registry (last updated 2011-03-14)
* http://www.iana.org/assignments/ikev2-parameters (last updated 2011-12-19)
*/
#include "config.h"
#include <epan/packet.h>
#include <epan/ipproto.h>
#include <epan/asn1.h>
#include <epan/reassemble.h>
#include <epan/prefs.h>
#include <epan/expert.h>
#include <epan/to_str.h>
#include <epan/conversation.h>
#include <wsutil/str_util.h>
#include "packet-x509if.h"
#include "packet-x509af.h"
#include "packet-gsm_a_common.h"
#include "packet-isakmp.h"
#include "packet-ber.h"
#include <wsutil/wsgcrypt.h>
#include <epan/proto_data.h>
#include <epan/strutil.h>
#include <epan/uat.h>
void proto_register_isakmp(void);
void proto_reg_handoff_isakmp(void);
typedef struct _attribute_common_fields {
int all;
int format;
int type;
int length;
int value;
} attribute_common_fields;
static int proto_isakmp = -1;
static int hf_isakmp_nat_keepalive = -1;
static int hf_isakmp_nat_hash = -1;
static int hf_isakmp_nat_original_address_ipv6 = -1;
static int hf_isakmp_nat_original_address_ipv4 = -1;
static int hf_isakmp_ispi = -1;
static int hf_isakmp_rspi = -1;
static int hf_isakmp_typepayload = -1;
static int hf_isakmp_nextpayload = -1;
static int hf_isakmp_criticalpayload = -1;
static int hf_isakmp_reserved2 = -1;
static int hf_isakmp_reserved7 = -1;
static int hf_isakmp_reserved = -1;
static int hf_isakmp_datapayload = -1;
static int hf_isakmp_extradata = -1;
static int hf_isakmp_version = -1;
static int hf_isakmp_mjver = -1;
static int hf_isakmp_mnver = -1;
static int hf_isakmp_exchangetype_v1 = -1;
static int hf_isakmp_exchangetype_v2 = -1;
static int hf_isakmp_flags = -1;
static int hf_isakmp_flag_e = -1;
static int hf_isakmp_flag_c = -1;
static int hf_isakmp_flag_a = -1;
static int hf_isakmp_flag_i = -1;
static int hf_isakmp_flag_v = -1;
static int hf_isakmp_flag_r = -1;
static int hf_isakmp_messageid = -1;
static int hf_isakmp_length = -1;
static int hf_isakmp_payloadlen = -1;
static int hf_isakmp_sa_doi = -1;
static int hf_isakmp_sa_situation = -1;
static int hf_isakmp_sa_attribute_next_payload = -1;
static int hf_isakmp_sa_situation_identity_only = -1;
static int hf_isakmp_sa_situation_secrecy = -1;
static int hf_isakmp_sa_situation_integrity = -1;
static int hf_isakmp_prop_protoid_v1 = -1;
static int hf_isakmp_prop_protoid_v2 = -1;
static int hf_isakmp_prop_number = -1;
static int hf_isakmp_prop_transforms = -1;
static int hf_isakmp_spisize = -1;
static int hf_isakmp_spi = -1;
static int hf_isakmp_trans_number = -1;
static int hf_isakmp_trans_id = -1;
static int hf_isakmp_id_type_v1 = -1;
static int hf_isakmp_id_type_v2 = -1;
static int hf_isakmp_id_protoid = -1;
static int hf_isakmp_id_port = -1;
static int hf_isakmp_id_data = -1;
static int hf_isakmp_id_data_ipv4_addr = -1;
static int hf_isakmp_id_data_fqdn = -1;
static int hf_isakmp_id_data_user_fqdn = -1;
static int hf_isakmp_id_data_ipv4_subnet = -1;
static int hf_isakmp_id_data_ipv4_range_start = -1;
static int hf_isakmp_id_data_ipv4_range_end = -1;
static int hf_isakmp_id_data_ipv6_addr = -1;
static int hf_isakmp_id_data_ipv6_subnet = -1;
static int hf_isakmp_id_data_ipv6_range_start = -1;
static int hf_isakmp_id_data_ipv6_range_end = -1;
static int hf_isakmp_id_data_key_id = -1;
static int hf_isakmp_id_data_cert = -1;
static int hf_isakmp_cert_encoding_v1 = -1;
static int hf_isakmp_cert_encoding_v2 = -1;
static int hf_isakmp_cert_data = -1;
static int hf_isakmp_cert_x509_hash = -1;
static int hf_isakmp_cert_x509_url = -1;
static int hf_isakmp_certreq_type_v1 = -1;
static int hf_isakmp_certreq_type_v2 = -1;
static int hf_isakmp_certreq_authority_v1 = -1;
static int hf_isakmp_certreq_authority_v2 = -1;
static int hf_isakmp_certreq_authority_sig = -1;
static int hf_isakmp_auth_meth = -1;
static int hf_isakmp_auth_data = -1;
static int hf_isakmp_auth_digital_sig_asn1_len = -1;
static int hf_isakmp_auth_digital_sig_asn1_data = -1;
static int hf_isakmp_auth_digital_sig_value = -1;
static int hf_isakmp_notify_doi = -1;
static int hf_isakmp_notify_protoid_v1 = -1;
static int hf_isakmp_notify_protoid_v2 = -1;
static int hf_isakmp_notify_msgtype_v1 = -1;
static int hf_isakmp_notify_msgtype_v2 = -1;
static int hf_isakmp_notify_data = -1;
static int hf_isakmp_notify_data_dpd_are_you_there = -1;
static int hf_isakmp_notify_data_dpd_are_you_there_ack = -1;
static int hf_isakmp_notify_data_unity_load_balance = -1;
static int hf_isakmp_notify_data_accepted_dh_group = -1;
static int hf_isakmp_notify_data_ipcomp_cpi = -1;
static int hf_isakmp_notify_data_ipcomp_transform_id = -1;
static int hf_isakmp_notify_data_auth_lifetime = -1;
static int hf_isakmp_notify_data_redirect_gw_ident_type = -1;
static int hf_isakmp_notify_data_redirect_gw_ident_len = -1;
static int hf_isakmp_notify_data_redirect_new_resp_gw_ident_ipv4 = -1;
static int hf_isakmp_notify_data_redirect_new_resp_gw_ident_ipv6 = -1;
static int hf_isakmp_notify_data_redirect_new_resp_gw_ident_fqdn = -1;
static int hf_isakmp_notify_data_redirect_new_resp_gw_ident = -1;
static int hf_isakmp_notify_data_redirect_nonce_data = -1;
static int hf_isakmp_notify_data_redirect_org_resp_gw_ident_ipv4 = -1;
static int hf_isakmp_notify_data_redirect_org_resp_gw_ident_ipv6 = -1;
static int hf_isakmp_notify_data_redirect_org_resp_gw_ident = -1;
static int hf_isakmp_notify_data_ticket_lifetime = -1;
static int hf_isakmp_notify_data_ticket_data = -1;
static attribute_common_fields hf_isakmp_notify_data_rohc_attr = { -1, -1, -1, -1, -1 };
static int hf_isakmp_notify_data_rohc_attr_max_cid = -1;
static int hf_isakmp_notify_data_rohc_attr_profile = -1;
static int hf_isakmp_notify_data_rohc_attr_integ = -1;
static int hf_isakmp_notify_data_rohc_attr_icv_len = -1;
static int hf_isakmp_notify_data_rohc_attr_mrru = -1;
static int hf_isakmp_notify_data_qcd_token_secret_data = -1;
static int hf_isakmp_notify_data_ha_nonce_data = -1;
static int hf_isakmp_notify_data_ha_expected_send_req_msg_id = -1;
static int hf_isakmp_notify_data_ha_expected_recv_req_msg_id = -1;
static int hf_isakmp_notify_data_ha_incoming_ipsec_sa_delta_value = -1;
static int hf_isakmp_notify_data_secure_password_methods = -1;
static int hf_isakmp_notify_data_signature_hash_algorithms = -1;
static int hf_isakmp_delete_doi = -1;
static int hf_isakmp_delete_protoid_v1 = -1;
static int hf_isakmp_delete_protoid_v2 = -1;
static int hf_isakmp_delete_spi = -1;
static int hf_isakmp_vid_bytes = -1;
static int hf_isakmp_vid_string = -1;
static int hf_isakmp_vid_cp_product = -1;
static int hf_isakmp_vid_cp_version = -1;
static int hf_isakmp_vid_cp_timestamp = -1;
static int hf_isakmp_vid_cp_reserved = -1;
static int hf_isakmp_vid_cp_features = -1;
static int hf_isakmp_vid_cisco_unity_major = -1;
static int hf_isakmp_vid_cisco_unity_minor = -1;
static int hf_isakmp_vid_ms_nt5_isakmpoakley = -1;
static int hf_isakmp_vid_aruba_via_auth_profile = -1;
static int hf_isakmp_vid_fortinet_fortigate_release = -1;
static int hf_isakmp_vid_fortinet_fortigate_build = -1;
static int hf_isakmp_ts_number_of_ts = -1;
static int hf_isakmp_ts_type = -1;
static int hf_isakmp_ts_protoid = -1;
static int hf_isakmp_ts_selector_length = -1;
static int hf_isakmp_ts_start_port = -1;
static int hf_isakmp_ts_end_port = -1;
static int hf_isakmp_ts_start_addr_ipv4 = -1;
static int hf_isakmp_ts_end_addr_ipv4 = -1;
static int hf_isakmp_ts_start_addr_ipv6 = -1;
static int hf_isakmp_ts_end_addr_ipv6 = -1;
static int hf_isakmp_ts_start_addr_fc = -1;
static int hf_isakmp_ts_end_addr_fc = -1;
static int hf_isakmp_ts_start_r_ctl = -1;
static int hf_isakmp_ts_end_r_ctl = -1;
static int hf_isakmp_ts_start_type = -1;
static int hf_isakmp_ts_end_type = -1;
static int hf_isakmp_ts_data = -1;
static int hf_isakmp_num_spis = -1;
static int hf_isakmp_hash = -1;
static int hf_isakmp_sig = -1;
static int hf_isakmp_nonce = -1;
static int hf_isakmp_notify_data_3gpp_backoff_timer_len = -1;
static int hf_isakmp_notify_data_3gpp_device_identity_len = -1;
static int hf_isakmp_notify_data_3gpp_device_identity_type = -1;
static int hf_isakmp_notify_data_3gpp_device_identity_imei = -1;
static int hf_isakmp_notify_data_3gpp_device_identity_imeisv = -1;
static int hf_isakmp_notify_data_3gpp_emergency_call_numbers_len = -1;
static int hf_isakmp_notify_data_3gpp_emergency_call_numbers_spare = -1;
static int hf_isakmp_notify_data_3gpp_emergency_call_numbers_element_len = -1;
static int hf_isakmp_notify_data_3gpp_emergency_call_numbers_flags = -1;
static int hf_isakmp_notify_data_3gpp_emergency_call_numbers_flag_b1_police = -1;
static int hf_isakmp_notify_data_3gpp_emergency_call_numbers_flag_b2_ambulance = -1;
static int hf_isakmp_notify_data_3gpp_emergency_call_numbers_flag_b3_fire_brigade = -1;
static int hf_isakmp_notify_data_3gpp_emergency_call_numbers_flag_b4_marine_guard = -1;
static int hf_isakmp_notify_data_3gpp_emergency_call_numbers_flag_b5_mountain_rescue = -1;
static int hf_iskamp_notify_data_3gpp_emergency_call_number = -1;
static attribute_common_fields hf_isakmp_tek_key_attr = { -1, -1, -1, -1, -1 };
static attribute_common_fields hf_isakmp_ipsec_attr = { -1, -1, -1, -1, -1 };
static int hf_isakmp_ipsec_attr_life_type = -1;
static int hf_isakmp_ipsec_attr_life_duration_uint32 = -1;
static int hf_isakmp_ipsec_attr_life_duration_uint64 = -1;
static int hf_isakmp_ipsec_attr_life_duration_bytes = -1;
static int hf_isakmp_ipsec_attr_group_description = -1;
static int hf_isakmp_ipsec_attr_encap_mode = -1;
static int hf_isakmp_ipsec_attr_auth_algorithm = -1;
static int hf_isakmp_ipsec_attr_key_length = -1;
static int hf_isakmp_ipsec_attr_key_rounds = -1;
static int hf_isakmp_ipsec_attr_cmpr_dict_size = -1;
static int hf_isakmp_ipsec_attr_cmpr_algorithm = -1;
static int hf_isakmp_ipsec_attr_ecn_tunnel = -1;
static int hf_isakmp_ipsec_attr_ext_seq_nbr = -1;
static int hf_isakmp_ipsec_attr_auth_key_length = -1;
static int hf_isakmp_ipsec_attr_sig_enco_algorithm = -1;
static int hf_isakmp_ipsec_attr_addr_preservation = -1;
static int hf_isakmp_ipsec_attr_sa_direction = -1;
static attribute_common_fields hf_isakmp_resp_lifetime_ipsec_attr = { -1, -1, -1, -1, -1 };
static int hf_isakmp_resp_lifetime_ipsec_attr_life_type = -1;
static int hf_isakmp_resp_lifetime_ipsec_attr_life_duration_uint32 = -1;
static int hf_isakmp_resp_lifetime_ipsec_attr_life_duration_uint64 = -1;
static int hf_isakmp_resp_lifetime_ipsec_attr_life_duration_bytes = -1;
static attribute_common_fields hf_isakmp_ike_attr = { -1, -1, -1, -1, -1 };
static int hf_isakmp_ike_attr_encryption_algorithm = -1;
static int hf_isakmp_ike_attr_hash_algorithm = -1;
static int hf_isakmp_ike_attr_authentication_method = -1;
static int hf_isakmp_ike_attr_group_description = -1;
static int hf_isakmp_ike_attr_group_type = -1;
static int hf_isakmp_ike_attr_group_prime = -1;
static int hf_isakmp_ike_attr_group_generator_one = -1;
static int hf_isakmp_ike_attr_group_generator_two = -1;
static int hf_isakmp_ike_attr_group_curve_a = -1;
static int hf_isakmp_ike_attr_group_curve_b = -1;
static int hf_isakmp_ike_attr_life_type = -1;
static int hf_isakmp_ike_attr_life_duration_uint32 = -1;
static int hf_isakmp_ike_attr_life_duration_uint64 = -1;
static int hf_isakmp_ike_attr_life_duration_bytes = -1;
static int hf_isakmp_ike_attr_prf = -1;
static int hf_isakmp_ike_attr_key_length = -1;
static int hf_isakmp_ike_attr_field_size = -1;
static int hf_isakmp_ike_attr_group_order = -1;
static attribute_common_fields hf_isakmp_resp_lifetime_ike_attr = { -1, -1, -1, -1, -1 };
static int hf_isakmp_resp_lifetime_ike_attr_life_type = -1;
static int hf_isakmp_resp_lifetime_ike_attr_life_duration_uint32 = -1;
static int hf_isakmp_resp_lifetime_ike_attr_life_duration_uint64 = -1;
static int hf_isakmp_resp_lifetime_ike_attr_life_duration_bytes = -1;
static int hf_isakmp_trans_type = -1;
static int hf_isakmp_trans_encr = -1;
static int hf_isakmp_trans_prf = -1;
static int hf_isakmp_trans_integ = -1;
static int hf_isakmp_trans_dh = -1;
static int hf_isakmp_trans_esn = -1;
static int hf_isakmp_trans_id_v2 = -1;
static attribute_common_fields hf_isakmp_ike2_attr = { -1, -1, -1, -1, -1 };
static int hf_isakmp_ike2_attr_key_length = -1;
static int hf_isakmp_fragments = -1;
static int hf_isakmp_fragment = -1;
static int hf_isakmp_fragment_overlap = -1;
static int hf_isakmp_fragment_overlap_conflicts = -1;
static int hf_isakmp_fragment_multiple_tails = -1;
static int hf_isakmp_fragment_too_long_fragment = -1;
static int hf_isakmp_fragment_error = -1;
static int hf_isakmp_fragment_count = -1;
static int hf_isakmp_reassembled_in = -1;
static int hf_isakmp_reassembled_length = -1;
static int hf_isakmp_ike2_fragment_number = -1;
static int hf_isakmp_ike2_total_fragments = -1;
static int hf_isakmp_cisco_frag_packetid = -1;
static int hf_isakmp_cisco_frag_seq = -1;
static int hf_isakmp_cisco_frag_last = -1;
static int hf_isakmp_key_exch_dh_group = -1;
static int hf_isakmp_key_exch_data = -1;
static int hf_isakmp_eap_data = -1;
static int hf_isakmp_gspm_data = -1;
static int hf_isakmp_cfg_type_v1 = -1;
static int hf_isakmp_cfg_identifier = -1;
static int hf_isakmp_cfg_type_v2 = -1;
static attribute_common_fields hf_isakmp_cfg_attr = { -1, -1, -1, -1, -1 };
static int hf_isakmp_cfg_attr_type_v1 = -1;
static int hf_isakmp_cfg_attr_type_v2 = -1;
static int hf_isakmp_cfg_attr_internal_ip4_address = -1;
static int hf_isakmp_cfg_attr_internal_ip4_netmask = -1;
static int hf_isakmp_cfg_attr_internal_ip4_dns = -1;
static int hf_isakmp_cfg_attr_internal_ip4_nbns = -1;
static int hf_isakmp_cfg_attr_internal_address_expiry = -1;
static int hf_isakmp_cfg_attr_internal_ip4_dhcp = -1;
static int hf_isakmp_cfg_attr_application_version = -1;
static int hf_isakmp_cfg_attr_internal_ip6_address_ip = -1;
static int hf_isakmp_cfg_attr_internal_ip6_address_prefix = -1;
static int hf_isakmp_cfg_attr_internal_ip6_netmask = -1;
static int hf_isakmp_cfg_attr_internal_ip6_dns = -1;
static int hf_isakmp_cfg_attr_internal_ip6_nbns = -1;
static int hf_isakmp_cfg_attr_internal_ip6_dhcp = -1;
static int hf_isakmp_cfg_attr_internal_ip4_subnet_ip = -1;
static int hf_isakmp_cfg_attr_internal_ip4_subnet_netmask = -1;
static int hf_isakmp_cfg_attr_supported_attributes = -1;
static int hf_isakmp_cfg_attr_internal_ip6_subnet_ip = -1;
static int hf_isakmp_cfg_attr_internal_ip6_subnet_prefix = -1;
static int hf_isakmp_cfg_attr_internal_ip6_link_interface = -1;
static int hf_isakmp_cfg_attr_internal_ip6_link_id = -1;
static int hf_isakmp_cfg_attr_internal_ip6_prefix_ip = -1;
static int hf_isakmp_cfg_attr_internal_ip6_prefix_length = -1;
static int hf_isakmp_cfg_attr_p_cscf_ip4_address = -1;
static int hf_isakmp_cfg_attr_p_cscf_ip6_address = -1;
static int hf_isakmp_cfg_attr_xauth_type = -1;
static int hf_isakmp_cfg_attr_xauth_user_name = -1;
static int hf_isakmp_cfg_attr_xauth_user_password = -1;
static int hf_isakmp_cfg_attr_xauth_passcode = -1;
static int hf_isakmp_cfg_attr_xauth_message = -1;
static int hf_isakmp_cfg_attr_xauth_challenge = -1;
static int hf_isakmp_cfg_attr_xauth_domain = -1;
static int hf_isakmp_cfg_attr_xauth_status = -1;
static int hf_isakmp_cfg_attr_xauth_next_pin = -1;
static int hf_isakmp_cfg_attr_xauth_answer = -1;
static int hf_isakmp_cfg_attr_unity_banner = -1;
static int hf_isakmp_cfg_attr_unity_def_domain = -1;
static int hf_isakmp_sak_next_payload = -1;
static int hf_isakmp_sak_reserved = -1;
static int hf_isakmp_sak_payload_len = -1;
static int hf_isakmp_sak_protocol = -1;
static int hf_isakmp_sak_src_id_type = -1;
static int hf_isakmp_sak_src_id_port = -1;
static int hf_isakmp_sak_src_id_length = -1;
static int hf_isakmp_sak_src_id_data = -1;
static int hf_isakmp_sak_dst_id_type = -1;
static int hf_isakmp_sak_dst_id_port = -1;
static int hf_isakmp_sak_dst_id_length = -1;
static int hf_isakmp_sak_dst_id_data = -1;
static int hf_isakmp_sak_spi = -1;
static int hf_isakmp_sat_next_payload = -1;
static int hf_isakmp_sat_reserved = -1;
static int hf_isakmp_sat_payload_len = -1;
static int hf_isakmp_sat_protocol_id = -1;
static int hf_isakmp_sat_protocol = -1;
static int hf_isakmp_sat_src_id_type = -1;
static int hf_isakmp_sat_src_id_port = -1;
static int hf_isakmp_sat_src_id_length = -1;
static int hf_isakmp_sat_src_id_data = -1;
static int hf_isakmp_sat_dst_id_type = -1;
static int hf_isakmp_sat_dst_id_port = -1;
static int hf_isakmp_sat_dst_id_length = -1;
static int hf_isakmp_sat_dst_id_data = -1;
static int hf_isakmp_sat_transform_id = -1;
static int hf_isakmp_sat_spi = -1;
static int hf_isakmp_sat_payload = -1;
static int hf_isakmp_kd_num_key_pkt = -1;
static int hf_isakmp_kd_payload = -1;
static int hf_isakmp_kdp_type = -1;
static int hf_isakmp_kdp_length = -1;
static int hf_isakmp_kdp_spi_size = -1;
static int hf_isakmp_kdp_spi = -1;
static int hf_isakmp_seq_seq = -1;
static int hf_isakmp_enc_decrypted_data = -1;
static int hf_isakmp_enc_contained_data = -1;
static int hf_isakmp_enc_pad_length= -1;
static int hf_isakmp_enc_padding = -1;
static int hf_isakmp_enc_data = -1;
static int hf_isakmp_enc_iv = -1;
static int hf_isakmp_enc_icd = -1;
static gint ett_isakmp = -1;
static gint ett_isakmp_version = -1;
static gint ett_isakmp_flags = -1;
static gint ett_isakmp_payload = -1;
static gint ett_isakmp_payload_digital_signature = -1;
static gint ett_isakmp_payload_digital_signature_asn1_data = -1;
static gint ett_isakmp_fragment = -1;
static gint ett_isakmp_fragments = -1;
static gint ett_isakmp_sa = -1;
static gint ett_isakmp_attr = -1;
static gint ett_isakmp_id = -1;
static gint ett_isakmp_notify_data = -1;
static gint ett_isakmp_notify_data_3gpp_emergency_call_numbers_main = -1;
static gint ett_isakmp_notify_data_3gpp_emergency_call_numbers_element = -1;
static gint ett_isakmp_ts = -1;
static gint ett_isakmp_kd = -1;
/* For decrypted IKEv2 Encrypted payload*/
static gint ett_isakmp_decrypted_data = -1;
static gint ett_isakmp_decrypted_payloads = -1;
static expert_field ei_isakmp_enc_iv = EI_INIT;
static expert_field ei_isakmp_ikev2_integrity_checksum = EI_INIT;
static expert_field ei_isakmp_enc_data_length_mult_block_size = EI_INIT;
static expert_field ei_isakmp_enc_pad_length_big = EI_INIT;
static expert_field ei_isakmp_attribute_value_empty = EI_INIT;
static expert_field ei_isakmp_payload_bad_length = EI_INIT;
static expert_field ei_isakmp_bad_fragment_number = EI_INIT;
static expert_field ei_isakmp_notify_data_3gpp_unknown_device_identity = EI_INIT;
static dissector_handle_t eap_handle = NULL;
static dissector_handle_t isakmp_handle;
static reassembly_table isakmp_cisco_reassembly_table;
static reassembly_table isakmp_ike2_reassembly_table;
static const fragment_items isakmp_frag_items = {
/* Fragment subtrees */
&ett_isakmp_fragment,
&ett_isakmp_fragments,
/* Fragment fields */
&hf_isakmp_fragments,
&hf_isakmp_fragment,
&hf_isakmp_fragment_overlap,
&hf_isakmp_fragment_overlap_conflicts,
&hf_isakmp_fragment_multiple_tails,
&hf_isakmp_fragment_too_long_fragment,
&hf_isakmp_fragment_error,
&hf_isakmp_fragment_count,
/* Reassembled in field */
&hf_isakmp_reassembled_in,
/* Reassembled length field */
&hf_isakmp_reassembled_length,
/* Reassembled data field */
NULL,
/* Tag */
"Message fragments"
};
/* IKE port number assigned by IANA */
#define UDP_PORT_ISAKMP 500
#define TCP_PORT_ISAKMP 500
/*
* Identifier Type
* RFC2407 for IKEv1
* RFC3554 for ID_LIST
* RFC4306 for IKEv2
* RFC4595 for ID_FC_NAME
*/
#define IKE_ID_IPV4_ADDR 1
#define IKE_ID_FQDN 2
#define IKE_ID_USER_FQDN 3
#define IKE_ID_IPV4_ADDR_SUBNET 4
#define IKE_ID_IPV6_ADDR 5
#define IKE_ID_IPV6_ADDR_SUBNET 6
#define IKE_ID_IPV4_ADDR_RANGE 7
#define IKE_ID_IPV6_ADDR_RANGE 8
#define IKE_ID_DER_ASN1_DN 9
#define IKE_ID_DER_ASN1_GN 10
#define IKE_ID_KEY_ID 11
#define IKE_ID_LIST 12
#define IKE_ID_FC_NAME 12
#define IKE_ID_RFC822_ADDR 3
/*
* Traffic Selector Type
* Not in use for IKEv1
*/
#define IKEV2_TS_IPV4_ADDR_RANGE 7
#define IKEV2_TS_IPV6_ADDR_RANGE 8
#define IKEV2_TS_FC_ADDR_RANGE 9 /* RFC 4595 */
/*
* Configuration Payload Attribute Types
* draft-ietf-ipsec-isakmp-mode-cfg-05.txt for IKEv1
* draft-ietf-ipsec-isakmp-xauth-06.txt and draft-beaulieu-ike-xauth-02.txt for XAUTH
* RFC4306 for IKEv2
* RFC5739 for INTERNAL_IP6_LINK and INTERNAL_IP6_PREFIX
* draft-gundavelli-ipsecme-3gpp-ims-options for P_CSCF_IP4_ADDRESS and P_CSCF_IP6_ADDRESS
*/
#define INTERNAL_IP4_ADDRESS 1
#define INTERNAL_IP4_NETMASK 2
#define INTERNAL_IP4_DNS 3
#define INTERNAL_IP4_NBNS 4
#define INTERNAL_ADDRESS_EXPIRY 5
#define INTERNAL_IP4_DHCP 6
#define APPLICATION_VERSION 7
#define INTERNAL_IP6_ADDRESS 8
#define INTERNAL_IP6_NETMASK 9
#define INTERNAL_IP6_DNS 10
#define INTERNAL_IP6_NBNS 11
#define INTERNAL_IP6_DHCP 12
#define INTERNAL_IP4_SUBNET 13
#define SUPPORTED_ATTRIBUTES 14
#define INTERNAL_IP6_SUBNET 15
#define MIP6_HOME_PREFIX 16
#define INTERNAL_IP6_LINK 17
#define INTERNAL_IP6_PREFIX 18
#define P_CSCF_IP4_ADDRESS 20
#define P_CSCF_IP6_ADDRESS 21
/* checkpoint configuration attributes */
#define CHKPT_DEF_DOMAIN 16387
#define CHKPT_MAC_ADDRESS 16388
#define CHKPT_MARCIPAN_REASON_CODE 16389
#define CHKPT_UNKNOWN1 16400
#define CHKPT_UNKNOWN2 16401
#define CHKPT_UNKNOWN3 16402
/* XAUTH configuration attributes */
#define XAUTH_TYPE 16520
#define XAUTH_USER_NAME 16521
#define XAUTH_USER_PASSWORD 16522
#define XAUTH_PASSCODE 16523
#define XAUTH_MESSAGE 16524
#define XAUTH_CHALLENGE 16525
#define XAUTH_DOMAIN 16526
#define XAUTH_STATUS 16527
#define XAUTH_NEXT_PIN 16528
#define XAUTH_ANSWER 16529
/* unity (CISCO) configuration attributes */
#define UNITY_BANNER 28672
#define UNITY_SAVE_PASSWD 28673
#define UNITY_DEF_DOMAIN 28674
#define UNITY_SPLIT_DOMAIN 28675
#define UNITY_SPLIT_INCLUDE 28676
#define UNITY_NATT_PORT 28677
#define UNITY_SPLIT_EXCLUDE 28678
#define UNITY_PFS 28679
#define UNITY_FW_TYPE 28680
#define UNITY_BACKUP_SERVERS 28681
#define UNITY_DDNS_HOSTNAME 28682
/* Payload Type
* RFC2408 / RFC3547 for IKEv1
* RFC4306 for IKEv2
*/
#define PLOAD_IKE_NONE 0
#define PLOAD_IKE_SA 1
#define PLOAD_IKE_P 2
#define PLOAD_IKE_T 3
#define PLOAD_IKE_KE 4
#define PLOAD_IKE_ID 5
#define PLOAD_IKE_CERT 6
#define PLOAD_IKE_CR 7
#define PLOAD_IKE_HASH 8
#define PLOAD_IKE_SIG 9
#define PLOAD_IKE_NONCE 10
#define PLOAD_IKE_N 11
#define PLOAD_IKE_D 12
#define PLOAD_IKE_VID 13
#define PLOAD_IKE_A 14
#define PLOAD_IKE_SAK 15
#define PLOAD_IKE_SAT 16
#define PLOAD_IKE_KD 17
#define PLOAD_IKE_SEQ 18
#define PLOAD_IKE_POP 19
#define PLOAD_IKE_NAT_D 20
#define PLOAD_IKE_NAT_OA 21
#define PLOAD_IKE_GAP 22
#define PLOAD_IKE2_SA 33
#define PLOAD_IKE2_KE 34
#define PLOAD_IKE2_IDI 35
#define PLOAD_IKE2_IDR 36
#define PLOAD_IKE2_CERT 37
#define PLOAD_IKE2_CERTREQ 38
#define PLOAD_IKE2_AUTH 39
#define PLOAD_IKE2_NONCE 40
#define PLOAD_IKE2_N 41
#define PLOAD_IKE2_D 42
#define PLOAD_IKE2_V 43
#define PLOAD_IKE2_TSI 44
#define PLOAD_IKE2_TSR 45
#define PLOAD_IKE2_SK 46
#define PLOAD_IKE2_CP 47
#define PLOAD_IKE2_EAP 48
#define PLOAD_IKE2_GSPM 49
#define PLOAD_IKE2_IDG 50
#define PLOAD_IKE2_GSA 51
#define PLOAD_IKE2_KD 52
#define PLOAD_IKE2_SKF 53
#define PLOAD_IKE_NAT_D13 130
#define PLOAD_IKE_NAT_OA14 131
#define PLOAD_IKE_CISCO_FRAG 132
/*
* IPSEC Situation Definition (RFC2407)
*/
#define SIT_IDENTITY_ONLY 0x01
#define SIT_SECRECY 0x02
#define SIT_INTEGRITY 0x04
static const value_string exchange_v1_type[] = {
{ 0, "NONE" },
{ 1, "Base" },
{ 2, "Identity Protection (Main Mode)" },
{ 3, "Authentication Only" },
{ 4, "Aggressive" },
{ 5, "Informational" },
{ 6, "Transaction (Config Mode)" },
{ 32, "Quick Mode" },
{ 33, "New Group Mode" },
{ 0, NULL },
};
static const value_string exchange_v2_type[] = {
{ 34, "IKE_SA_INIT" },
{ 35, "IKE_AUTH" },
{ 36, "CREATE_CHILD_SA" },
{ 37, "INFORMATIONAL" },
{ 38, "IKE_SESSION_RESUME" }, /* RFC5723 */
{ 0, NULL },
};
static const value_string frag_last_vals[] = {
{ 0, "More fragments" },
{ 1, "Last fragment" },
{ 0, NULL },
};
/* Ex vs_proto */
static const value_string protoid_v1_type[] = {
{ 0, "RESERVED" },
{ 1, "ISAKMP" },
{ 2, "IPSEC_AH" },
{ 3, "IPSEC_ESP" },
{ 4, "IPCOMP" },
{ 5, "GIGABEAM_RADIO" }, /* RFC4705 */
{ 0, NULL },
};
static const value_string protoid_v2_type[] = {
{ 0, "RESERVED" },
{ 1, "IKE" },
{ 2, "AH" },
{ 3, "ESP" },
{ 4, "FC_ESP_HEADER" },
{ 5, "FC_CT_AUTHENTICATION" },
{ 0, NULL },
};
static const range_string payload_type[] = {
{ PLOAD_IKE_NONE,PLOAD_IKE_NONE, "NONE / No Next Payload " },
{ PLOAD_IKE_SA,PLOAD_IKE_SA, "Security Association" },
{ PLOAD_IKE_P,PLOAD_IKE_P, "Proposal" },
{ PLOAD_IKE_T,PLOAD_IKE_T, "Transform" },
{ PLOAD_IKE_KE,PLOAD_IKE_KE, "Key Exchange" },
{ PLOAD_IKE_ID,PLOAD_IKE_ID, "Identification" },
{ PLOAD_IKE_CERT,PLOAD_IKE_CERT, "Certificate" },
{ PLOAD_IKE_CR,PLOAD_IKE_CR, "Certificate Request" },
{ PLOAD_IKE_HASH,PLOAD_IKE_HASH, "Hash" },
{ PLOAD_IKE_SIG,PLOAD_IKE_SIG, "Signature" },
{ PLOAD_IKE_NONCE,PLOAD_IKE_NONCE, "Nonce" },
{ PLOAD_IKE_N,PLOAD_IKE_N, "Notification" },
{ PLOAD_IKE_D,PLOAD_IKE_D, "Delete" },
{ PLOAD_IKE_VID,PLOAD_IKE_VID, "Vendor ID" },
{ PLOAD_IKE_A,PLOAD_IKE_A, "Attributes" }, /* draft-ietf-ipsec-isakmp-mode-cfg-05.txt */
{ PLOAD_IKE_SAK,PLOAD_IKE_SAK, "SA KEK Payload" }, /* Reassigned with RFC3547; formerly: draft-ietf-ipsec-nat-t-ike-04 to 08 */
{ PLOAD_IKE_SAT,PLOAD_IKE_SAT, "SA TEK Payload"}, /* Reassigned with RFC3547; formerly: draft-ietf-ipsec-nat-t-ike-05 to 08*/
{ PLOAD_IKE_KD,PLOAD_IKE_KD, "Key Download" },
{ PLOAD_IKE_SEQ,PLOAD_IKE_SEQ, "Sequence Number" },
{ PLOAD_IKE_POP,PLOAD_IKE_POP, "Proof of Possession" }, /* According to RFC6407 deprecated */
{ PLOAD_IKE_NAT_D,PLOAD_IKE_NAT_D, "NAT-D (RFC 3947)" },
{ PLOAD_IKE_NAT_OA,PLOAD_IKE_NAT_OA, "NAT-OA (RFC 3947)"},
{ PLOAD_IKE_GAP,PLOAD_IKE_GAP, "Group Associated Policy"},
{ PLOAD_IKE2_SA,PLOAD_IKE2_SA, "Security Association"},
{ PLOAD_IKE2_KE,PLOAD_IKE2_KE, "Key Exchange"},
{ PLOAD_IKE2_IDI,PLOAD_IKE2_IDI, "Identification - Initiator"},
{ PLOAD_IKE2_IDR,PLOAD_IKE2_IDR, "Identification - Responder"},
{ PLOAD_IKE2_CERT,PLOAD_IKE2_CERT, "Certificate"},
{ PLOAD_IKE2_CERTREQ,PLOAD_IKE2_CERTREQ, "Certificate Request"},
{ PLOAD_IKE2_AUTH,PLOAD_IKE2_AUTH, "Authentication"},
{ PLOAD_IKE2_NONCE,PLOAD_IKE2_NONCE, "Nonce"},
{ PLOAD_IKE2_N,PLOAD_IKE2_N, "Notify"},
{ PLOAD_IKE2_D,PLOAD_IKE2_D, "Delete"},
{ PLOAD_IKE2_V,PLOAD_IKE2_V, "Vendor ID"},
{ PLOAD_IKE2_TSI,PLOAD_IKE2_TSI, "Traffic Selector - Initiator"},
{ PLOAD_IKE2_TSR,PLOAD_IKE2_TSR, "Traffic Selector - Responder"},
{ PLOAD_IKE2_SK,PLOAD_IKE2_SK, "Encrypted and Authenticated"},
{ PLOAD_IKE2_CP,PLOAD_IKE2_CP, "Configuration"},
{ PLOAD_IKE2_EAP,PLOAD_IKE2_EAP, "Extensible Authentication"},
{ PLOAD_IKE2_GSPM,PLOAD_IKE2_GSPM, "Generic Secure Password Method"},
{ PLOAD_IKE2_IDG,PLOAD_IKE2_IDG, "Group Identification"},
{ PLOAD_IKE2_GSA,PLOAD_IKE2_GSA, "Group Security Association"},
{ PLOAD_IKE2_KD,PLOAD_IKE2_KD, "Key Download"},
{ PLOAD_IKE2_SKF,PLOAD_IKE2_SKF, "Encrypted and Authenticated Fragment"},
{ 54,127, "Unassigned" },
{ 128,129, "Private Use" },
{ PLOAD_IKE_NAT_D13,PLOAD_IKE_NAT_D13, "NAT-D (draft-ietf-ipsec-nat-t-ike-01 to 03)"},
{ PLOAD_IKE_NAT_OA14,PLOAD_IKE_NAT_OA14, "NAT-OA (draft-ietf-ipsec-nat-t-ike-01 to 03)"},
{ PLOAD_IKE_CISCO_FRAG,PLOAD_IKE_CISCO_FRAG, "Cisco-Fragmentation"},
{ 133,256, "Private Use" },
{ 0,0, NULL },
};
/*
* ISAKMP Domain of Interpretation (DOI)
* RFC2408 for ISAKMP
* RFC2407 for IPSEC
* RFC3547 for GDOI
*/
static const value_string doi_type[] = {
{ 0, "ISAKMP" },
{ 1, "IPSEC" },
{ 2, "GDOI" },
{ 0, NULL },
};
/* Transform Type */
#define IPSEC_ATTR_LIFE_TYPE 1
#define IPSEC_ATTR_LIFE_DURATION 2
#define IPSEC_ATTR_GROUP_DESC 3
#define IPSEC_ATTR_ENCAP_MODE 4
#define IPSEC_ATTR_AUTH_ALGORITHM 5
#define IPSEC_ATTR_KEY_LENGTH 6
#define IPSEC_ATTR_KEY_ROUNDS 7
#define IPSEC_ATTR_CMPR_DICT_SIZE 8
#define IPSEC_ATTR_CMPR_ALGORITHM 9
#define IPSEC_ATTR_ECN_TUNNEL 10 /* [RFC3168] */
#define IPSEC_ATTR_EXT_SEQ_NBR 11 /* [RFC4304] */
#define IPSEC_ATTR_AUTH_KEY_LENGTH 12 /* [RFC4359] */
#define IPSEC_ATTR_SIG_ENCO_ALGORITHM 13 /* [RFC4359] */
#define IPSEC_ATTR_ADDR_PRESERVATION 14 /* [RFC6407] */
#define IPSEC_ATTR_SA_DIRECTION 15 /* [RFC6407] */
static const range_string ipsec_attr_type[] = {
{ 1,1, "SA-Life-Type" },
{ 2,2, "SA-Life-Duration" },
{ 3,3, "Group-Description" },
{ 4,4, "Encapsulation-Mode" },
{ 5,5, "Authentication-Algorithm" },
{ 6,6, "Key-Length" },
{ 7,7, "Key-Rounds" },
{ 8,8, "Compress-Dictionary-Size" },
{ 9,9, "Compress-Private-Algorithm" },
{ 10,10, "ECN Tunnel" },
{ 11,11, "Extended (64-bit) Sequence Number" },
{ 12,12, "Authentication Key Length" },
{ 13,13, "Signature Encoding Algorithm" },
{ 14,14, "Address Preservation" },
{ 15,15, "SA Direction" },
{ 16,32000, "Unassigned (Future use)" },
{ 32001,32767, "Private use" },
{ 0,0, NULL },
};
#define KEY_ATTR_TEK_RSERVED 0
#define KEY_ATTR_TEK_ALGORITHM 1
#define KEY_ATTR_TEK_INTEGRITY 2
#define KEY_ATTR_TEK_SRC_AUTH 3
static const range_string tek_key_attr_type[] = {
{ 1,1, "TEK_ALGORITHM_KEY" },
{ 2,2, "TEK_INTEGRITY_KEY" },
{ 3,3, "TEK_SOURCE_AUTH_KEY" },
{ 4,137, "Unassigned (Future use)" },
{ 128,255, "Private use" },
{ 256,32767, "Unassigned (Future use)" },
{ 0,0, NULL },
};
/* Transform IKE Type */
#define IKE_ATTR_ENCRYPTION_ALGORITHM 1
#define IKE_ATTR_HASH_ALGORITHM 2
#define IKE_ATTR_AUTHENTICATION_METHOD 3
#define IKE_ATTR_GROUP_DESCRIPTION 4
#define IKE_ATTR_GROUP_TYPE 5
#define IKE_ATTR_GROUP_PRIME 6
#define IKE_ATTR_GROUP_GENERATOR_ONE 7
#define IKE_ATTR_GROUP_GENERATOR_TWO 8
#define IKE_ATTR_GROUP_CURVE_A 9
#define IKE_ATTR_GROUP_CURVE_B 10
#define IKE_ATTR_LIFE_TYPE 11
#define IKE_ATTR_LIFE_DURATION 12
#define IKE_ATTR_PRF 13
#define IKE_ATTR_KEY_LENGTH 14
#define IKE_ATTR_FIELD_SIZE 15
#define IKE_ATTR_GROUP_ORDER 16
static const range_string ike_attr_type[] = {
{ 1,1, "Encryption-Algorithm" },
{ 2,2, "Hash-Algorithm" },
{ 3,3, "Authentication-Method" },
{ 4,4, "Group-Description" },
{ 5,5, "Group-Type" },
{ 6,6, "Group-Prime" },
{ 7,7, "Group-Generator-One" },
{ 8,8, "Group-Generator-Two" },
{ 9,9, "Group-Curve-A" },
{ 10,10, "Group-Curve-B" },
{ 11,11, "Life-Type" },
{ 12,12, "Life-Duration" },
{ 13,13, "PRF" },
{ 14,14, "Key-Length" },
{ 15,15, "Field-Size" },
{ 16,16, "Group-Order" },
{ 17,16383, "Unassigned (Future use)" },
{ 16384,32767, "Private use" },
{ 0,0, NULL },
};
#if 0
static const value_string vs_v2_sttr[] = {
{ 1, "SA-Life-Type" },
{ 2, "SA-Life-Duration" },
{ 3, "Group-Description" },
{ 4, "Encapsulation-Mode" },
{ 5, "Authentication-Algorithm" },
{ 6, "Key-Length" },
{ 7, "Key-Rounds" },
{ 8, "Compress-Dictionary-Size" },
{ 9, "Compress-Private-Algorithm" },
{ 10, "ECN Tunnel" },
{ 0, NULL },
};
#endif
static const value_string vs_v1_trans_isakmp[] = {
{ 0, "RESERVED" },
{ 1, "KEY_IKE" },
{ 0, NULL },
};
static const value_string vs_v1_trans_ah[] = {
{ 0, "RESERVED" },
{ 1, "RESERVED" },
{ 2, "MD5" },
{ 3, "SHA" },
{ 4, "DES" },
{ 5, "SHA2-256" },
{ 6, "SHA2-384" },
{ 7, "SHA2-512" },
{ 0, NULL },
};
static const value_string vs_v1_trans_esp[] = {
{ 0, "RESERVED" },
{ 1, "DES-IV64" },
{ 2, "DES" },
{ 3, "3DES" },
{ 4, "RC5" },
{ 5, "IDEA" },
{ 6, "CAST" },
{ 7, "BLOWFISH" },
{ 8, "3IDEA" },
{ 9, "DES-IV32" },
{ 10, "RC4" },
{ 11, "NULL" },
{ 12, "AES" },
{ 0, NULL },
};
static const value_string transform_id_ipcomp[] = {
{ 0, "RESERVED" },
{ 1, "OUI" },
{ 2, "DEFLATE" },
{ 3, "LZS" },
{ 4, "LZJH" },
{ 0, NULL },
};
static const value_string redirect_gateway_identity_type[] = {
{ 1, "IPv4 address" },
{ 2, "IPv6 address" },
{ 3, "FQDN" },
{ 0, NULL },
};
static const value_string attr_life_type[] = {
{ 0, "RESERVED" },
{ 1, "Seconds" },
{ 2, "Kilobytes" },
{ 0, NULL },
};
static const value_string ipsec_attr_encap_mode[] = {
{ 0, "RESERVED" },
{ 1, "Tunnel" },
{ 2, "Transport" },
{ 3, "UDP-Encapsulated-Tunnel" }, /* RFC3947 */
{ 4, "UDP-Encapsulated-Transport" }, /* RFC3947 */
{ 61440, "Check Point IPSec UDP Encapsulation" },
{ 61443, "UDP-Encapsulated-Tunnel (draft)" },
{ 61444, "UDP-Encapsulated-Transport (draft)" },
{ 0, NULL },
};
static const value_string ipsec_attr_auth_algo[] = {
{ 0, "RESERVED" },
{ 1, "HMAC-MD5" },
{ 2, "HMAC-SHA" },
{ 3, "DES-MAC" },
{ 4, "KPDK" },
{ 5, "HMAC-SHA2-256" },
{ 6, "HMAC-SHA2-384" },
{ 7, "HMAC-SHA2-512" },
{ 8, "HMAC-RIPEMD" }, /* [RFC2857] */
{ 9, "AES-XCBC-MAC" }, /* [RFC3566] */
{ 10, "SIG-RSA" }, /* [RFC4359] */
{ 11, "AES-128-GMAC" }, /* [RFC4543][Errata1821] */
{ 12, "AES-192-GMAC" }, /* [RFC4543][Errata1821] */
{ 13, "AES-256-GMAC" }, /* [RFC4543][Errata1821] */
/*
Values 11-61439 are reserved to IANA. Values 61440-65535 are
for private use.
*/
{ 0, NULL },
};
#define ENC_DES_CBC 1
#define ENC_IDEA_CBC 2
#define ENC_BLOWFISH_CBC 3
#define ENC_RC5_R16_B64_CBC 4
#define ENC_3DES_CBC 5
#define ENC_CAST_CBC 6
#define ENC_AES_CBC 7
#define ENC_CAMELLIA_CBC 8
static const value_string ike_attr_enc_algo[] = {
{ 0, "RESERVED" },
{ ENC_DES_CBC, "DES-CBC" },
{ ENC_IDEA_CBC, "IDEA-CBC" },
{ ENC_BLOWFISH_CBC, "BLOWFISH-CBC" },
{ ENC_RC5_R16_B64_CBC, "RC5-R16-B64-CBC" },
{ ENC_3DES_CBC, "3DES-CBC" },
{ ENC_CAST_CBC, "CAST-CBC" },
{ ENC_AES_CBC, "AES-CBC" },
{ ENC_CAMELLIA_CBC, "CAMELLIA-CBC" },
{ 0, NULL },
};
#define HMAC_MD5 1
#define HMAC_SHA 2
#define HMAC_TIGER 3
#define HMAC_SHA2_256 4
#define HMAC_SHA2_384 5
#define HMAC_SHA2_512 6
static const value_string ike_attr_hash_algo[] = {
{ 0, "RESERVED" },
{ HMAC_MD5, "MD5" },
{ HMAC_SHA, "SHA" },
{ HMAC_TIGER, "TIGER" },
{ HMAC_SHA2_256, "SHA2-256" },
{ HMAC_SHA2_384, "SHA2-384" },
{ HMAC_SHA2_512, "SHA2-512" },
{ 0, NULL },
};
static const value_string ipsec_attr_ecn_tunnel[] = {
{ 0, "RESERVED" },
{ 1, "Allowed" },
{ 2, "Forbidden" },
{ 0, NULL },
};
static const value_string ipsec_attr_ext_seq_nbr[] = {
{ 0, "RESERVED" },
{ 1, "64-bit Sequence Number" },
{ 0, NULL },
};
#if 0
static const value_string transform_attr_sig_enco_algo_type[] = {
{ 0, "RESERVED" },
{ 1, "RSASSA-PKCS1-v1_5" },
{ 2, "RSASSA-PSS" },
{ 0, NULL },
};
#endif
static const value_string ipsec_attr_addr_preservation[] = {
{ 0, "Reserved" },
{ 1, "None" },
{ 2, "Source-Only" },
{ 3, "Destination-Only" },
{ 4, "Source-and-Destination" },
{ 0, NULL },
};
static const value_string ipsec_attr_sa_direction[] = {
{ 0, "Reserved" },
{ 1, "Sender-Only" },
{ 2, "Receiver-Only" },
{ 3, "Symmetric" },
{ 0, NULL },
};
static const value_string ike_attr_authmeth[] = {
/* ipsec-registry.xhtml */
{ 0, "RESERVED" },
{ 1, "Pre-shared key" },
{ 2, "DSS signatures" },
{ 3, "RSA signatures" },
{ 4, "Encryption with RSA" },
{ 5, "Revised encryption with RSA" },
{ 6, "Reserved (was Encryption with El-Gamal)" },
{ 7, "Reserved (was Revised encryption with El-Gamal)" },
{ 8, "Reserved (was ECDSA signatures)" },
{ 9, "ECDSA with SHA-256 on the P-256 curve" },
{ 10, "ECDSA with SHA-384 on the P-384 curve" },
{ 11, "ECDSA with SHA-512 on the P-521 curve" },
/* draft-ietf-ipsec-isakmp-hybrid-auth-05 */
{ 64221, "HybridInitRSA" },
{ 64222, "HybridRespRSA" },
{ 64223, "HybridInitDSS" },
{ 64224, "HybridRespDSS" },
/* draft-beaulieu-ike-xauth-02 */
{ 65001, "XAUTHInitPreShared" },
{ 65002, "XAUTHRespPreShared" },
{ 65003, "XAUTHInitDSS" },
{ 65004, "XAUTHRespDSS" },
{ 65005, "XAUTHInitRSA" },
{ 65006, "XAUTHRespRSA" },
{ 65007, "XAUTHInitRSAEncryption" },
{ 65008, "XAUTHRespRSAEncryption" },
{ 65009, "XAUTHInitRSARevisedEncryption" },
{ 65010, "XAUTHRespRSARevisedEncryption" },
{ 0, NULL },
};
static const value_string dh_group[] = {
{ 0, "UNDEFINED - 0" },
{ 1, "Default 768-bit MODP group" },
{ 2, "Alternate 1024-bit MODP group" },
{ 3, "EC2N group on GP[2^155] group" },
{ 4, "EC2N group on GP[2^185] group" },
{ 5, "1536 bit MODP group" },
{ 6, "EC2N group over GF[2^163]" },
{ 7, "EC2N group over GF[2^163]" },
{ 8, "EC2N group over GF[2^283]" },
{ 9, "EC2N group over GF[2^283]" },
{ 10, "EC2N group over GF[2^409]" },
{ 11, "EC2N group over GF[2^409]" },
{ 12, "EC2N group over GF[2^571]" },
{ 13, "EC2N group over GF[2^571]" },
{ 14, "2048 bit MODP group" },
{ 15, "3072 bit MODP group" },
{ 16, "4096 bit MODP group" },
{ 17, "6144 bit MODP group" },
{ 18, "8192 bit MODP group" },
{ 19, "256-bit random ECP group" },
{ 20, "384-bit random ECP group" },
{ 21, "521-bit random ECP group" },
{ 22, "1024-bit MODP Group with 160-bit Prime Order Subgroup" },
{ 23, "2048-bit MODP Group with 224-bit Prime Order Subgroup" },
{ 24, "2048-bit MODP Group with 256-bit Prime Order Subgroup" },
{ 25, "192-bit Random ECP Group" },
{ 26, "224-bit Random ECP Group" },
{ 27, "224-bit Brainpool ECP group" },
{ 28, "256-bit Brainpool ECP group" },
{ 29, "384-bit Brainpool ECP group" },
{ 30, "512-bit Brainpool ECP group" },
{ 0, NULL }
};
static const value_string ike_attr_grp_type[] = {
{ 0, "UNDEFINED - 0" },
{ 1, "MODP" },
{ 2, "ECP" },
{ 3, "EC2N" },
{ 0, NULL },
};
#define TF_IKE2_ENCR 1
#define TF_IKE2_PRF 2
#define TF_IKE2_INTEG 3
#define TF_IKE2_DH 4
#define TF_IKE2_ESN 5
static const range_string transform_ike2_type[] = {
{ 0,0, "RESERVED" },
{ TF_IKE2_ENCR,TF_IKE2_ENCR, "Encryption Algorithm (ENCR)" },
{ TF_IKE2_PRF,TF_IKE2_PRF, "Pseudo-random Function (PRF)"},
{ TF_IKE2_INTEG,TF_IKE2_INTEG,"Integrity Algorithm (INTEG)"},
{ TF_IKE2_DH,TF_IKE2_DH, "Diffie-Hellman Group (D-H)"},
{ TF_IKE2_ESN,TF_IKE2_ESN, "Extended Sequence Numbers (ESN)"},
{ 6,240, "Reserved to IANA"},
{ 241,255, "Private Use"},
{ 0,0, NULL },
};
/* For Transform Type 1 (Encryption Algorithm), defined Transform IDs */
static const value_string transform_ike2_encr_type[] = {
{ 0, "RESERVED" },
{ 1, "ENCR_DES_IV64" },
{ 2, "ENCR_DES" },
{ 3, "ENCR_3DES" },
{ 4, "ENCR_RC5" },
{ 5, "ENCR_IDEA" },
{ 6, "ENCR_CAST" },
{ 7, "ENCR_BLOWFISH" },
{ 8, "ENCR_3IDEA" },
{ 9, "ENCR_DES_IV32" },
{ 10, "RESERVED" },
{ 11, "ENCR_NULL" },
{ 12, "ENCR_AES_CBC" },
{ 13, "ENCR_AES_CTR" }, /* [RFC3686] */
{ 14, "ENCR_AES-CCM_8" }, /* [RFC4309] */
{ 15, "ENCR-AES-CCM_12" }, /* [RFC4309] */
{ 16, "ENCR-AES-CCM_16" }, /* [RFC4309] */
{ 17, "UNASSIGNED" },
{ 18, "AES-GCM with a 8 octet ICV" }, /* [RFC4106] */
{ 19, "AES-GCM with a 12 octet ICV" }, /* [RFC4106] */
{ 20, "AES-GCM with a 16 octet ICV" }, /* [RFC4106] */
{ 21, "ENCR_NULL_AUTH_AES_GMAC" }, /* [RFC4543] */
{ 22, "Reserved for IEEE P1619 XTS-AES" }, /* [Ball] */
{ 23, "ENCR_CAMELLIA_CBC" }, /* [RFC5529] */
{ 24, "ENCR_CAMELLIA_CTR" }, /* [RFC5529] */
{ 25, "ENCR_CAMELLIA_CCM with an 8-octet ICV" }, /* [RFC5529] */
{ 26, "ENCR_CAMELLIA_CCM with a 12-octet ICV" }, /* [RFC5529] */
{ 27, "ENCR_CAMELLIA_CCM with a 16-octet ICV" }, /* [RFC5529] */
{ 28, "ENCR_CHACHA20_POLY1305" }, /* [RFC7634] */
/*
* 29-1023 RESERVED TO IANA [RFC4306]
* 1024-65535 PRIVATE USE [RFC4306]
*/
{ 0, NULL },
};
/* For Transform Type 2 (Pseudo-random Function), defined Transform IDs */
static const value_string transform_ike2_prf_type[] = {
{ 0, "RESERVED" },
{ 1, "PRF_HMAC_MD5" },
{ 2, "PRF_HMAC_SHA1" },
{ 3, "PRF_HMAC_TIGER" },
{ 4, "PRF_AES128_CBC" },
{ 5, "PRF_HMAC_SHA2_256" }, /* [RFC4868] */
{ 6, "PRF_HMAC_SHA2_384" }, /* [RFC4868] */
{ 7, "PRF_HMAC_SHA2_512" }, /* [RFC4868] */
{ 8, "PRF_AES128_CMAC6" }, /* [RFC4615] */
/*
9-1023 RESERVED TO IANA [RFC4306]
1024-65535 PRIVATE USE [RFC4306]
*/
{ 0, NULL },
};
/* For Transform Type 3 (Integrity Algorithm), defined Transform IDs */
static const value_string transform_ike2_integ_type[] = {
{ 0, "NONE" },
{ 1, "AUTH_HMAC_MD5_96" },
{ 2, "AUTH_HMAC_SHA1_96" },
{ 3, "AUTH_DES_MAC" },
{ 4, "AUTH_KPDK_MD5" },
{ 5, "AUTH_AES_XCBC_96" },
{ 6, "AUTH_HMAC_MD5_128" }, /* [RFC4595] */
{ 7, "AUTH_HMAC_SHA1_160" }, /* [RFC4595] */
{ 8, "AUTH_AES_CMAC_96" }, /* [RFC4494] */
{ 9, "AUTH_AES_128_GMAC" }, /* [RFC4543] */
{ 10, "AUTH_AES_192_GMAC" }, /* [RFC4543] */
{ 11, "AUTH_AES_256_GMAC" }, /* [RFC4543] */
{ 12, "AUTH_HMAC_SHA2_256_128" }, /* [RFC4868] */
{ 13, "AUTH_HMAC_SHA2_384_192" }, /* [RFC4868] */
{ 14, "AUTH_HMAC_SHA2_512_256" }, /* [RFC4868] */
/*
15-1023 RESERVED TO IANA [RFC4306]
1024-65535 PRIVATE USE [RFC4306]
*/
{ 0, NULL },
};
/* For Transform Type 5 (Extended Sequence Numbers), defined Transform */
static const value_string transform_ike2_esn_type[] = {
{ 0, "No Extended Sequence Numbers" },
{ 1, "Extended Sequence Numbers" },
{ 0, NULL },
};
/* Transform IKE2 Type */
#define IKE2_ATTR_KEY_LENGTH 14
static const range_string transform_ike2_attr_type[] = {
{ 0,13, "Reserved" },
{ 14,14, "Key Length" },
{ 15,17, "Reserved" },
{ 18,16383, "Unassigned (Future use)" },
{ 16384,32767, "Private use" },
{ 0,0, NULL },
};
static const range_string cert_v1_type[] = {
{ 0,0, "NONE" },
{ 1,1, "PKCS #7 wrapped X.509 certificate" },
{ 2,2, "PGP Certificate" },
{ 3,3, "DNS Signed Key" },
{ 4,4, "X.509 Certificate - Signature" },
{ 5,5, "X.509 Certificate - Key Exchange" },
{ 6,6, "Kerberos Tokens" },
{ 7,7, "Certificate Revocation List (CRL)" },
{ 8,8, "Authority Revocation List (ARL)" },
{ 9,9, "SPKI Certificate" },
{ 10,10, "X.509 Certificate - Attribute" },
{ 11,255, "RESERVED" },
{ 0,0, NULL },
};
static const range_string cert_v2_type[] = {
{ 0,0, "RESERVED" },
{ 1,1, "PKCS #7 wrapped X.509 certificate" },
{ 2,2, "PGP Certificate" },
{ 3,3, "DNS Signed Key" },
{ 4,4, "X.509 Certificate - Signature" },
{ 5,5, "*undefined by any document*" },
{ 6,6, "Kerberos Tokens" },
{ 7,7, "Certificate Revocation List (CRL)" },
{ 8,8, "Authority Revocation List (ARL)" },
{ 9,9, "SPKI Certificate" },
{ 10,10, "X.509 Certificate - Attribute" },
{ 11,11, "Raw RSA Key" },
{ 12,12, "Hash and URL of X.509 certificate" },
{ 13,13, "Hash and URL of X.509 bundle" },
{ 14,14, "OCSP Content" }, /* [RFC4806] */
{ 15,200, "RESERVED to IANA" },
{ 201,255, "PRIVATE USE" },
{ 0,0, NULL },
};
#define AUTH_METH_DIGITAL_SIGNATURE 14
static const range_string authmeth_v2_type[] = {
{ 0,0, "RESERVED TO IANA" },
{ 1,1, "RSA Digital Signature" },
{ 2,2, "Shared Key Message Integrity Code" },
{ 3,3, "DSS Digital Signature" },
{ 4,8, "RESERVED TO IANA" },
{ 9,9, "ECDSA with SHA-256 on the P-256 curve" }, /* RFC4754 */
{ 10,10, "ECDSA with SHA-384 on the P-384 curve" }, /* RFC4754 */
{ 11,11, "ECDSA with SHA-512 on the P-521 curve" }, /* RFC4754 */
{ 12,12, "Generic Secure Password Authentication Method" }, /* RFC6467 */
{ 13,13, "NULL Authentication" }, /* RFC7619 */
{ 14,14, "Digital Signature" }, /* RFC7427 */
{ 15,200, "RESERVED TO IANA" },
{ 201,255, "PRIVATE USE" },
{ 0,0, NULL },
};
static const range_string notifmsg_v1_type[] = {
{ 0,0, "<UNKNOWN>" },
{ 1,1, "INVALID-PAYLOAD-TYPE" },
{ 2,2, "DOI-NOT-SUPPORTED" },
{ 3,3, "SITUATION-NOT-SUPPORTED" },
{ 4,4, "INVALID-COOKIE" },
{ 5,5, "INVALID-MAJOR-VERSION" },
{ 6,6, "INVALID-MINOR-VERSION" },
{ 7,7, "INVALID-EXCHANGE-TYPE" },
{ 8,8, "INVALID-FLAGS" },
{ 9,9, "INVALID-MESSAGE-ID" },
{ 10,10, "INVALID-PROTOCOL-ID" },
{ 11,11, "INVALID-SPI" },
{ 12,12, "INVALID-TRANSFORM-ID" },
{ 13,13, "ATTRIBUTES-NOT-SUPPORTED" },
{ 14,14, "NO-PROPOSAL-CHOSEN" },
{ 15,15, "BAD-PROPOSAL-SYNTAX" },
{ 16,16, "PAYLOAD-MALFORMED" },
{ 17,17, "INVALID-KEY-INFORMATION" },
{ 18,18, "INVALID-ID-INFORMATION" },
{ 19,19, "INVALID-CERT-ENCODING" },
{ 20,20, "INVALID-CERTIFICATE" },
{ 21,21, "CERT-TYPE-UNSUPPORTED" },
{ 22,22, "INVALID-CERT-AUTHORITY" },
{ 23,23, "INVALID-HASH-INFORMATION" },
{ 24,24, "AUTHENTICATION-FAILED" },
{ 25,25, "INVALID-SIGNATURE" },
{ 26,26, "ADDRESS-NOTIFICATION" },
{ 27,27, "NOTIFY-SA-LIFETIME" },
{ 28,28, "CERTIFICATE-UNAVAILABLE" },
{ 29,29, "UNSUPPORTED-EXCHANGE-TYPE" },
{ 30,30, "UNEQUAL-PAYLOAD-LENGTHS" },
{ 31,8191, "RESERVED (Future Use)" },
{ 8192,16383, "Private Use" },
{ 16384,16384,"CONNECTED" },
{ 16385,24575,"RESERVED (Future Use)" },
{ 24576,24576,"RESPONDER-LIFETIME" },
{ 24577,24577,"REPLAY-STATUS" },
{ 24578,24578,"INITIAL-CONTACT" },
{ 24579,32767,"DOI-specific codes" },
{ 32768,36135,"Private Use" },
{ 36136,36136,"R-U-THERE" },
{ 36137,36137,"R-U-THERE-ACK" },
{ 36138,40500,"Private Use" },
{ 40501,40501,"UNITY-LOAD-BALANCE" },
{ 40502,40502,"UNITY-UNKNOWN" },
{ 40503,40503,"UNITY-GROUP-HASH" },
{ 40503,40959,"Private Use" },
{ 40960,65535,"RESERVED (Future Use)" },
{ 0,0, NULL },
};
static const range_string notifmsg_v2_type[] = {
{ 0,0, "RESERVED" },
{ 1,1, "UNSUPPORTED_CRITICAL_PAYLOAD" },
{ 2,3, "RESERVED" },
{ 4,4, "INVALID_IKE_SPI" },
{ 5,5, "INVALID_MAJOR_VERSION" },
{ 6,6, "RESERVED" },
{ 7,7, "INVALID_SYNTAX" },
{ 8,8, "RESERVED" },
{ 9,9, "INVALID_MESSAGE_ID" },
{ 10,10, "RESERVED" },
{ 11,11, "INVALID_SPI" },
{ 12,13, "RESERVED" },
{ 14,14, "NO_PROPOSAL_CHOSEN" },
{ 15,16, "RESERVED" },
{ 17,17, "INVALID_KE_PAYLOAD" },
{ 24,24, "AUTHENTICATION_FAILED" },
{ 25,33, "RESERVED" },
{ 34,34, "SINGLE_PAIR_REQUIRED" },
{ 35,35, "NO_ADDITIONAL_SAS" },
{ 36,36, "INTERNAL_ADDRESS_FAILURE" },
{ 37,37, "FAILED_CP_REQUIRED" },
{ 38,38, "TS_UNACCEPTABLE" },
{ 39,39, "INVALID_SELECTORS" },
{ 40,40, "UNACCEPTABLE_ADDRESSES" }, /* RFC4555 */
{ 41,41, "UNEXPECTED_NAT_DETECTED" }, /* RFC4555 */
{ 42,42, "USE_ASSIGNED_HoA" }, /* RFC5026 */
{ 43,43, "TEMPORARY_FAILURE" }, /* RFC5996 */
{ 44,44, "CHILD_SA_NOT_FOUND" }, /* RFC5996 */
{ 45,45, "INVALID_GROUP_ID" }, /* draft-yeung-g-ikev2 */
{ 46,46, "CHILD_SA_NOT_FOUND" }, /* draft-yeung-g-ikev2 */
{ 47,8191, "RESERVED TO IANA - Error types" },
{ 8192,16383, "Private Use - Errors" },
{ 16384,16384, "INITIAL_CONTACT" },
{ 16385,16385, "SET_WINDOW_SIZE" },
{ 16386,16386, "ADDITIONAL_TS_POSSIBLE" },
{ 16387,16387, "IPCOMP_SUPPORTED" },
{ 16388,16388, "NAT_DETECTION_SOURCE_IP" },
{ 16389,16389, "NAT_DETECTION_DESTINATION_IP" },
{ 16390,16390, "COOKIE" },
{ 16391,16391, "USE_TRANSPORT_MODE" },
{ 16392,16392, "HTTP_CERT_LOOKUP_SUPPORTED" },
{ 16393,16393, "REKEY_SA" },
{ 16394,16394, "ESP_TFC_PADDING_NOT_SUPPORTED" },
{ 16395,16395, "NON_FIRST_FRAGMENTS_ALSO" },
{ 16396,16396, "MOBIKE_SUPPORTED" }, /* RFC4555 */
{ 16397,16397, "ADDITIONAL_IP4_ADDRESS" }, /* RFC4555 */
{ 16398,16398, "ADDITIONAL_IP6_ADDRESS" }, /* RFC4555 */
{ 16399,16399, "NO_ADDITIONAL_ADDRESSES" }, /* RFC4555 */
{ 16400,16400, "UPDATE_SA_ADDRESSES" }, /* RFC4555 */
{ 16401,16401, "COOKIE2" }, /* RFC4555 */
{ 16402,16402, "NO_NATS_ALLOWED" }, /* RFC4555 */
{ 16403,16403, "AUTH_LIFETIME" }, /* RFC4478 */
{ 16404,16404, "MULTIPLE_AUTH_SUPPORTED" }, /* RFC4739 */
{ 16405,16405, "ANOTHER_AUTH_FOLLOWS" }, /* RFC4739 */
{ 16406,16406, "REDIRECT_SUPPORTED" }, /* RFC5685 */
{ 16407,16407, "REDIRECT" }, /* RFC5685 */
{ 16408,16408, "REDIRECTED_FROM" }, /* RFC5685 */
{ 16409,16409, "TICKET_LT_OPAQUE" }, /* RFC5723 */
{ 16410,16410, "TICKET_REQUEST" }, /* RFC5723 */
{ 16411,16411, "TICKET_ACK" }, /* RFC5723 */
{ 16412,16412, "TICKET_NACK" }, /* RFC5723 */
{ 16413,16413, "TICKET_OPAQUE" }, /* RFC5723 */
{ 16414,16414, "LINK_ID" }, /* RFC5739 */
{ 16415,16415, "USE_WESP_MODE" }, /* RFC5840 */
{ 16416,16416, "ROHC_SUPPORTED" }, /* RFC5857 */
{ 16417,16417, "EAP_ONLY_AUTHENTICATION" }, /* RFC5998 */
{ 16418,16418, "CHILDLESS_IKEV2_SUPPORTED" }, /* RFC6023 */
{ 16419,16419, "QUICK_CRASH_DETECTION" }, /* RFC6290 */
{ 16420,16420, "IKEV2_MESSAGE_ID_SYNC_SUPPORTED" }, /* RFC6311 */
{ 16421,16421, "IPSEC_REPLAY_COUNTER_SYNC_SUPPORTED" },/* RFC6311 */
{ 16422,16422, "IKEV2_MESSAGE_ID_SYNC" }, /* RFC6311 */
{ 16423,16423, "IPSEC_REPLAY_COUNTER_SYNC" }, /* RFC6311 */
{ 16424,16424, "SECURE_PASSWORD_METHODS" }, /* RFC6467 */
{ 16425,16425, "PSK_PERSIST" }, /* RFC6631 */
{ 16426,16426, "PSK_CONFIRM" }, /* RFC6631 */
{ 16427,16427, "ERX_SUPPORTED" }, /* RFC6867 */
{ 16428,16428, "IFOM_CAPABILITY" }, /* [Frederic_Firmin][3GPP TS 24.303 v10.6.0 annex B.2] */
{ 16429,16429, "SENDER_REQUEST_ID" }, /* [draft-yeung-g-ikev2] */
{ 16430,16430, "IKEV2_FRAGMENTATION_SUPPORTED" }, /* RFC7383 */
{ 16431,16431, "SIGNATURE_HASH_ALGORITHMS" }, /* RFC7427 */
{ 16432,40959, "RESERVED TO IANA - STATUS TYPES" },
{ 40960,65535, "Private Use - STATUS TYPES" },
{ 0,0, NULL },
};
/* 3GPP private error and status types in Notify messages
* 3GPP TS 24.302 V16.0.0 (2019-03)
* 3GPP TS 24.502 V15.3.0 (2019-03)
* Note currently all private data types wil be decoded as 3GPP if that's not good enough a preference must be used
*/
static const range_string notifmsg_v2_3gpp_type[] = {
/* PRIVATE ERROR TYPES */
{ 8192,8192, "PDN_CONNECTION_REJECTION" }, /* TS 24.302 */
{ 8193,8193, "MAX_CONNECTION_REACHED" }, /* TS 24.302 */
{ 8194,8240, "Private Use - Errors" },
{ 8241,8241, "SEMANTIC_ERROR_IN_THE_TFT_OPERATION" }, /* TS 24.302 */
{ 8242,8242, "SYNTACTICAL_ERROR_IN_THE_TFT_OPERATION" }, /* TS 24.302 */
{ 8243,8243, "Private Use - Errors" },
{ 8244,8244, "SEMANTIC_ERRORS_IN_PACKET_FILTERS" }, /* TS 24.302 */
{ 8245,8245, "SYNTACTICAL_ERRORS_IN_PACKET_FILTERS" }, /* TS 24.302 */
{ 8246,8999, "Private Use - Errors" },
{ 9000,9000, "NON_3GPP_ACCESS_TO_EPC_NOT_ALLOWED" }, /* TS 24.302 */
{ 9001,9001, "USER_UNKNOWN" }, /* TS 24.302 */
{ 9002,9002, "NO_APN_SUBSCRIPTION" },
{ 9003,9003, "AUTHORIZATION_REJECTED" }, /* TS 24.302 */
{ 9004,9005, "Private Use - Errors" },
{ 9006,9006, "ILLEGAL_ME" }, /* TS 24.302 */
{ 9007,10499, "Private Use - Errors" },
{ 10500,10500, "NETWORK_FAILURE" }, /* TS 24.302 */
{ 10501,11000, "Private Use - Errors" },
{ 11001,11001, "RAT_TYPE_NOT_ALLOWED" }, /* TS 24.302 */
{ 11002,11004, "Private Use - Errors" },
{ 11005,11005, "IMEI_NOT_ACCEPTED" }, /* TS 24.302 */
{ 11006,11010, "Private Use - Errors" },
{ 11011,11011, "PLMN_NOT_ALLOWED" }, /* TS 24.302 */
{ 11012,11054, "Private Use - Errors" },
{ 11055,11055, "UNAUTHENTICATED_EMERGENCY_NOT_SUPPORTED" }, /* TS 24.302 */
{ 11056,15499, "Private Use - Errors" },
{ 15500,15500, "CONGESTION" }, /* TS 24.502 */
{ 15501,16383, "Private Use - Errors" },
/* PRIVATE STATUS TYPES */
{ 40960,40960, "Private Use - STATUS TYPES" },
{ 40961,40961, "REACTIVATION_REQUESTED_CAUSE" }, /* TS 24.302 */
{ 40962,41040, "Private Use - STATUS TYPES" },
{ 41041,41041, "BACKOFF_TIMER" }, /* TS 24.302 */
{ 41042,41049, "Private Use - STATUS TYPES" },
{ 41050,41050, "PDN_TYPE_IPv4_ONLY_ALLOWED" }, /* TS 24.302 */
{ 41051,41051, "PDN_TYPE_IPv6_ONLY_ALLOWED" }, /* TS 24.302 */
{ 41052,41100, "Private Use - STATUS TYPES" },
{ 41101,41101, "DEVICE_IDENTITY" }, /* TS 24.302 */
{ 41102,41111, "Private Use - STATUS TYPES" },
{ 41112,41112, "EMERGENCY_SUPPORT" }, /* TS 24.302 */
{ 41113,41133, "Private Use - STATUS TYPES" },
{ 41134,41134, "EMERGENCY_CALL_NUMBERS" }, /* TS 24.302 */
{ 41135,41287, "Private Use - STATUS TYPES" },
{ 41288,41288, "NBIFOM_GENERIC_CONTAINER" }, /* TS 24.302 */
{ 41289,41303, "Private Use - STATUS TYPES" },
{ 41304,41304, "P-CSCF_RESELECTION_SUPPORT" }, /* TS 24.302 */
{ 41305,41500, "Private Use - STATUS TYPES" },
{ 41501,41501, "PTI" }, /* TS 24.302 */
{ 41502,42010, "Private Use - STATUS TYPES" },
{ 42011,42011, "P-IKEV2_MULTIPLE_BEARER_PDN_CONNECTIVITY" }, /* TS 24.302 */
{ 42012,42013, "Private Use - STATUS TYPES" },
{ 42014,42014, "P-EPS_QOS" }, /* TS 24.302 */
{ 42015,42015, "P-EXTENDED_EPS_QOS" }, /* TS 24.302 */
{ 42016,42016, "Private Use - STATUS TYPES" },
{ 42017,42017, "P-TFT" }, /* TS 24.302 */
{ 42018,42019, "Private Use - STATUS TYPES" },
{ 42020,42020, "P-MODIFIED_BEARER" }, /* TS 24.302 */
{ 42021,42093, "Private Use - STATUS TYPES" },
{ 42094,42094, "P-APN_AMBR" }, /* TS 24.302 */
{ 42095,42095, "P-EXTENDED_APN_AMBR" }, /* TS 24.302 */
{ 42096,51014, "Private Use - STATUS TYPES" },
{ 51015,51015, "P-N1_MODE_CAPABILITY" }, /* TS 24.302 */
{ 51016,51114, "Private Use - STATUS TYPES" },
{ 51115,51115, "P-N1_MODE_INFORMATION" }, /* TS 24.302 */
{ 51116,55500, "Private Use - STATUS TYPES" },
{ 55501,55501, "5G_QOS_INFO" }, /* TS 24.502 */
{ 55502,55502, "NAS_IP4_ADDRESS" }, /* TS 24.502 */
{ 55503,55503, "NAS_IP6_ADDRESS" }, /* TS 24.502 */
{ 55504,55504, "UP_IP4_ADDRESS" }, /* TS 24.502 */
{ 55505,55505, "UP_IP6_ADDRESS" }, /* TS 24.502 */
{ 55506,55506, "NAS_TCP_PORT" }, /* TS 24.502 */
{ 55507,55507, "N3GPP_BACKOFF_TIMER" }, /* TS 24.502 */
{ 55508,65535, "Private Use - STATUS TYPES" },
{ 0,0, NULL },
};
static const range_string vs_v1_cfgtype[] = {
{ 0,0, "Reserved" },
{ 1,1, "ISAKMP_CFG_REQUEST" },
{ 2,2, "ISAKMP_CFG_REPLY" },
{ 3,3, "ISAKMP_CFG_SET" },
{ 4,4, "ISAKMP_CFG_ACK" },
{ 5,127, "Future use" },
{ 128,256, "Private Use" },
{ 0,0, NULL },
};
static const range_string vs_v2_cfgtype[] = {
{ 0,0, "RESERVED" },
{ 1,1, "CFG_REQUEST" },
{ 2,2, "CFG_REPLY" },
{ 3,3, "CFG_SET" },
{ 4,4, "CFG_ACK" },
{ 5,127, "Future use" },
{ 128,256, "Private Use" },
{ 0,0, NULL },
};
static const range_string vs_v1_cfgattr[] = {
{ 0,0, "RESERVED" },
{ 1,1, "INTERNAL_IP4_ADDRESS" },
{ 2,2, "INTERNAL_IP4_NETMASK" },
{ 3,3, "INTERNAL_IP4_DNS" },
{ 4,4, "INTERNAL_IP4_NBNS" },
{ 5,5, "INTERNAL_ADDRESS_EXPIRY" },
{ 6,6, "INTERNAL_IP4_DHCP" },
{ 7,7, "APPLICATION_VERSION" },
{ 8,8, "INTERNAL_IP6_ADDRESS" },
{ 9,9, "INTERNAL_IP6_NETMASK" },
{ 10,10, "INTERNAL_IP6_DNS" },
{ 11,11, "INTERNAL_IP6_NBNS" },
{ 12,12, "INTERNAL_IP6_DHCP" },
{ 13,13, "INTERNAL_IP4_SUBNET" },
{ 14,14, "SUPPORTED_ATTRIBUTES" },
{ 15,15, "INTERNAL_IP6_SUBNET" },
{ 16,16383, "FUTURE USE"},
{ 16384,16386, "PRIVATE USE"},
{ 16387,16387, "CHKPT_DEF_DOMAIN" },
{ 16388,16388, "CHKPT_MAC_ADDRESS" },
{ 16389,16389, "CHKPT_MARCIPAN_REASON_CODE" },
{ 16400,16400, "CHKPT_UNKNOWN1" },
{ 16401,16401, "CHKPT_UNKNOWN2" },
{ 16402,16402, "CHKPT_UNKNOWN3" },
{ 16403,16519, "PRIVATE USE"},
{ 16520,16520, "XAUTH_TYPE" },
{ 16521,16521, "XAUTH_USER_NAME" },
{ 16522,16522, "XAUTH_USER_PASSWORD" },
{ 16523,16523, "XAUTH_PASSCODE" },
{ 16524,16524, "XAUTH_MESSAGE" },
{ 16525,16525, "XAUTH_CHALLANGE" },
{ 16526,16526, "XAUTH_DOMAIN" },
{ 16527,16527, "XAUTH_STATUS" },
{ 16528,16528, "XAUTH_NEXT_PIN" },
{ 16529,16529, "XAUTH_ANSWER" },
{ 16530,28671, "PRIVATE USE"},
{ 28672,28672, "UNITY_BANNER" },
{ 28673,28673, "UNITY_SAVE_PASSWD" },
{ 28674,28674, "UNITY_DEF_DOMAIN" },
{ 28675,28675, "UNITY_SPLIT_DOMAIN" },
{ 28676,28676, "UNITY_SPLIT_INCLUDE" },
{ 28677,28677, "UNITY_NATT_PORT" },
{ 28678,28678, "UNITY_SPLIT_EXCLUDE" },
{ 28679,28679, "UNITY_PFS" },
{ 28680,28680, "UNITY_FW_TYPE" },
{ 28681,28681, "UNITY_BACKUP_SERVERS" },
{ 28682,28682, "UNITY_DDNS_HOSTNAME" },
{ 28683,32767, "PRIVATE USE"},
{ 0,0, NULL },
};
static const range_string vs_v2_cfgattr[] = {
{ 0,0, "RESERVED" },
{ 1,1, "INTERNAL_IP4_ADDRESS" },
{ 2,2, "INTERNAL_IP4_NETMASK" },
{ 3,3, "INTERNAL_IP4_DNS" },
{ 4,4, "INTERNAL_IP4_NBNS" },
{ 5,5, "INTERNAL_ADDRESS_EXPIRY" }, /* OBSO */
{ 6,6, "INTERNAL_IP4_DHCP" },
{ 7,7, "APPLICATION_VERSION" },
{ 8,8, "INTERNAL_IP6_ADDRESS" },
{ 9,9, "RESERVED" },
{ 10,10, "INTERNAL_IP6_DNS" },
{ 11,11, "INTERNAL_IP6_NBNS" }, /* OBSO */
{ 12,12, "INTERNAL_IP6_DHCP" },
{ 13,13, "INTERNAL_IP4_SUBNET" },
{ 14,14, "SUPPORTED_ATTRIBUTES" },
{ 15,15, "INTERNAL_IP6_SUBNET" },
{ 16,16, "MIP6_HOME_PREFIX" },
{ 17,17, "INTERNAL_IP6_LINK" },
{ 18,18, "INTERNAL_IP6_PREFIX" },
{ 19,19, "HOME_AGENT_ADDRESS" }, /* 3GPP TS 24.302 http://www.3gpp.org/ftp/Specs/html-info/24302.htm */
{ 20,20, "P_CSCF_IP4_ADDRESS" }, /* 3GPP IMS Option for IKEv2 https://datatracker.ietf.org/doc/draft-gundavelli-ipsecme-3gpp-ims-options/ */
{ 21,21, "P_CSCF_IP6_ADDRESS" },
{ 22,22, "FTT_KAT" },
{ 23,16383, "RESERVED TO IANA"},
{ 16384,32767, "PRIVATE USE"},
{ 0,0, NULL },
};
static const range_string cfgattr_xauth_type[] = {
{ 0,0, "Generic" },
{ 1,1, "RADIUS-CHAP" },
{ 2,2, "OTP" },
{ 3,3, "S/KEY" },
{ 4,32767, "Future use" },
{ 32768,65535, "Private use" },
{ 0,0, NULL },
};
static const value_string cfgattr_xauth_status[] = {
{ 0, "Fail" },
{ 1, "Success" },
{ 0, NULL },
};
static const value_string cp_product[] = {
{ 1, "Firewall-1" },
{ 2, "SecuRemote/SecureClient" },
{ 0, NULL },
};
static const value_string cp_version[] = {
{ 2,"4.1" },
{ 3,"4.1 SP-1" },
{ 4002,"4.1 (SP-2 or above)" },
{ 5000,"NG" },
{ 5001,"NG Feature Pack 1" },
{ 5002,"NG Feature Pack 2" },
{ 5003,"NG Feature Pack 3" },
{ 5004,"NG with Application Intelligence" },
{ 5005,"NG with Application Intelligence R55" },
{ 5006,"NG with Application Intelligence R56" },
{ 0, NULL },
};
static const range_string traffic_selector_type[] = {
{ 0,6, "Reserved" },
{ 7,7, "TS_IPV4_ADDR_RANGE" },
{ 8,8, "TS_IPV6_ADDR_RANGE" },
{ 9,9, "TS_FC_ADDR_RANGE" },
{ 10,240, "Future use" },
{ 241,255, "Private use" },
{ 0,0, NULL },
};
static const value_string ms_nt5_isakmpoakley_type[] = {
{ 2, "Windows 2000" },
{ 3, "Windows XP SP1" },
{ 4, "Windows 2003 and Windows XP SP2" },
{ 5, "Windows Vista" },
{ 0, NULL }
};
static const range_string vs_v1_id_type[] = {
{ 0,0, "RESERVED" },
{ IKE_ID_IPV4_ADDR,IKE_ID_IPV4_ADDR, "IPV4_ADDR" },
{ IKE_ID_FQDN,IKE_ID_FQDN, "FQDN" },
{ IKE_ID_USER_FQDN,IKE_ID_USER_FQDN, "USER_FQDN" },
{ IKE_ID_IPV4_ADDR_SUBNET,IKE_ID_IPV4_ADDR_SUBNET, "IPV4_ADDR_SUBNET" },
{ IKE_ID_IPV6_ADDR,IKE_ID_IPV6_ADDR, "IPV6_ADDR" },
{ IKE_ID_IPV6_ADDR_SUBNET,IKE_ID_IPV6_ADDR_SUBNET, "IPV6_ADDR_SUBNET" },
{ IKE_ID_IPV4_ADDR_RANGE,IKE_ID_IPV4_ADDR_RANGE, "IPV4_ADDR_RANGE" },
{ IKE_ID_IPV6_ADDR_RANGE,IKE_ID_IPV6_ADDR_RANGE, "IPV6_ADDR_RANGE" },
{ IKE_ID_DER_ASN1_DN,IKE_ID_DER_ASN1_DN, "DER_ASN1_DN" },
{ IKE_ID_DER_ASN1_GN,IKE_ID_DER_ASN1_GN, "DER_ASN1_GN" },
{ IKE_ID_KEY_ID,IKE_ID_KEY_ID, "KEY_ID" },
{ IKE_ID_LIST,IKE_ID_LIST, "KEY_LIST" },
{ 13,248, "Future use" },
{ 249,255, "Private Use" },
{ 0,0, NULL },
};
static const range_string vs_v2_id_type[] = {
{ 0,0, "RESERVED" },
{ IKE_ID_IPV4_ADDR,IKE_ID_IPV4_ADDR, "IPV4_ADDR" },
{ IKE_ID_FQDN,IKE_ID_FQDN, "FQDN" },
{ IKE_ID_RFC822_ADDR,IKE_ID_RFC822_ADDR, "ID_RFC822_ADDR" },
{ 4,4, "Unassigned" },
{ IKE_ID_IPV6_ADDR,IKE_ID_IPV6_ADDR, "IPV6_ADDR" },
{ 6,8, "Unassigned" },
{ IKE_ID_DER_ASN1_DN,IKE_ID_DER_ASN1_DN, "DER_ASN1_DN" },
{ IKE_ID_DER_ASN1_GN,IKE_ID_DER_ASN1_GN, "DER_ASN1_GN" },
{ IKE_ID_KEY_ID,IKE_ID_KEY_ID, "KEY_ID" },
{ IKE_ID_FC_NAME,IKE_ID_FC_NAME, "KEY_LIST" },
{ 13,200, "Future use" },
{ 201,255, "Private Use" },
{ 0,0, NULL },
};
#define COOKIE_SIZE 8
typedef struct isakmp_hdr {
guint8 next_payload;
guint8 version;
guint8 exch_type;
guint8 flags;
#define E_FLAG 0x01
#define C_FLAG 0x02
#define A_FLAG 0x04
#define I_FLAG 0x08
#define V_FLAG 0x10
#define R_FLAG 0x20
guint32 message_id;
guint32 length;
} isakmp_hdr_t;
static const true_false_string attribute_format = {
"Type/Value (TV)",
"Type/Length/Value (TLV)"
};
static const true_false_string flag_e = {
"Encrypted",
"Not encrypted"
};
static const true_false_string flag_c = {
"Commit",
"No commit"
};
static const true_false_string flag_a = {
"Authentication",
"No authentication"
};
static const true_false_string flag_i = {
"Initiator",
"Responder"
};
static const true_false_string flag_v = {
"A higher version enabled",
"No higher version"
};
/* ROHC Attribute Type RFC5857 */
#define ROHC_MAX_CID 1
#define ROHC_PROFILE 2
#define ROHC_INTEG 3
#define ROHC_ICV_LEN 4
#define ROHC_MRRU 5
static const range_string rohc_attr_type[] = {
{ 1,1, "Maximum Context Identifier (MAX_CID)" },
{ 2,2, "ROHC Profile (ROHC_PROFILE)" },
{ 3,3, "ROHC Integrity Algorithm (ROHC_INTEG)" },
{ 4,4, "ROHC ICV Length in bytes (ROHC_ICV_LEN)" },
{ 5,5, "Maximum Reconstructed Reception Unit (MRRU)" },
{ 6,16383, "Unassigned (Future use)" },
{ 16384,32767, "Private use" },
{ 0,0, NULL },
};
static const range_string signature_hash_algorithms[] = {
{ 0,0, "Reserved" },
{ 1,1, "SHA1" },
{ 2,2, "SHA2-256" },
{ 3,3, "SHA2-384" },
{ 4,4, "SHA2-512" },
{ 5,5, "Identity" },
{ 6,1023, "Unassigned" },
{ 1024,65535, "Reserved for Private Use" },
{0,0, NULL },
};
static const range_string sat_protocol_ids[] = {
{ 0,0, "Reserved" },
{ 1,1, "GDOI_PROTO_IPSEC_ESP" },
{ 2,2, "GDOI_PROTO_IPSEC_AH" },
{ 3,127, "Unassigned" },
{ 128, 255, "Private Use" },
{ 0,0, NULL },
};
static const range_string key_download_types[] = {
{ 0,0, "Reserved" },
{ 1,1, "TEK" },
{ 2,2, "KEK" },
{ 3,3, "LKH" },
{ 4,4, "SID" },
{ 5,127, "Unassigned" },
{ 128, 255, "Private Use" },
{ 0,0, NULL },
};
static const value_string device_identity_types[] = {
{ 0x01, "IMEI" },
{ 0x02, "IMEISV" },
{ 0, NULL },
};
#define ISAKMP_HDR_SIZE ((int)sizeof(struct isakmp_hdr) + (2 * COOKIE_SIZE))
#define MAX_KEY_SIZE 256
#define MAX_DIGEST_SIZE 64
#define MAX_OAKLEY_KEY_LEN 32
#define PINFO_CBC_IV 1
#define DECR_PARAMS_INIT 0
#define DECR_PARAMS_READY 1
#define DECR_PARAMS_FAIL 2
typedef struct _ikev1_uat_data_key {
guchar *icookie;
guint icookie_len;
guchar *key;
guint key_len;
} ikev1_uat_data_key_t;
typedef struct decrypt_data {
gboolean is_psk;
address initiator;
guint ike_encr_alg;
guint ike_encr_keylen;
guint ike_hash_alg;
gint cipher_algo;
gsize cipher_keylen;
gsize cipher_blklen;
gint digest_algo;
guint digest_len;
guint group;
gchar *gi;
guint gi_len;
gchar *gr;
guint gr_len;
guchar secret[MAX_KEY_SIZE];
guint secret_len;
GHashTable *iv_hash;
guint state;
} decrypt_data_t;
/* IKEv1: Lookup from Initiator-SPI -> decrypt_data_t* */
static GHashTable *isakmp_hash = NULL;
static ikev1_uat_data_key_t* ikev1_uat_data = NULL;
static uat_t * ikev1_uat = NULL;
static guint num_ikev1_uat_data = 0;
/* Specifications of encryption algorithms for IKEv2 decryption */
typedef struct _ikev2_encr_alg_spec {
guint number;
/* Length of encryption key */
guint key_len;
/* Block size of the cipher */
guint block_len;
/* Length of initialization vector */
guint iv_len;
/* Encryption algorithm ID to be passed to gcry_cipher_open() */
gint gcry_alg;
/* Cipher mode to be passed to gcry_cipher_open() */
gint gcry_mode;
/* Salt length used in AEAD (GCM/CCM) mode. Salt value is last salt_len bytes of encr_key.
* IV for decryption is the result of concatenating salt value and iv_len bytes of iv.
* For non-AED ciphers salt_len 0 */
guint salt_len;
/* Authenticated Encryption TAG length (ICV) - length of data taken from end of encrypted output
* used for integrity checksum, computed during decryption (for AEAD ciphers)*/
guint icv_len;
} ikev2_encr_alg_spec_t;
#define IKEV2_ENCR_NULL 1
#define IKEV2_ENCR_3DES 2
#define IKEV2_ENCR_AES_CBC_128 3
#define IKEV2_ENCR_AES_CBC_192 4
#define IKEV2_ENCR_AES_CBC_256 5
#define IKEV2_ENCR_AES_CTR_128 6
#define IKEV2_ENCR_AES_CTR_192 7
#define IKEV2_ENCR_AES_CTR_256 8
/* AEAD algorithms. Require gcrypt_version >= 1.6.0 if integrity verification shall be performed */
#define IKEV2_ENCR_AES_GCM_128_16 101
#define IKEV2_ENCR_AES_GCM_192_16 102
#define IKEV2_ENCR_AES_GCM_256_16 103
#define IKEV2_ENCR_AES_GCM_128_8 104
#define IKEV2_ENCR_AES_GCM_192_8 105
#define IKEV2_ENCR_AES_GCM_256_8 106
#define IKEV2_ENCR_AES_GCM_128_12 107
#define IKEV2_ENCR_AES_GCM_192_12 108
#define IKEV2_ENCR_AES_GCM_256_12 109
#define IKEV2_ENCR_AES_CCM_128_16 111
#define IKEV2_ENCR_AES_CCM_192_16 112
#define IKEV2_ENCR_AES_CCM_256_16 113
#define IKEV2_ENCR_AES_CCM_128_8 114
#define IKEV2_ENCR_AES_CCM_192_8 115
#define IKEV2_ENCR_AES_CCM_256_8 116
#define IKEV2_ENCR_AES_CCM_128_12 117
#define IKEV2_ENCR_AES_CCM_192_12 118
#define IKEV2_ENCR_AES_CCM_256_12 119
static ikev2_encr_alg_spec_t ikev2_encr_algs[] = {
{IKEV2_ENCR_NULL, 0, 1, 0, GCRY_CIPHER_NONE, GCRY_CIPHER_MODE_NONE, 0, 0},
{IKEV2_ENCR_3DES, 24, 8, 8, GCRY_CIPHER_3DES, GCRY_CIPHER_MODE_CBC, 0, 0},
{IKEV2_ENCR_AES_CBC_128, 16, 16, 16, GCRY_CIPHER_AES128, GCRY_CIPHER_MODE_CBC, 0, 0},
{IKEV2_ENCR_AES_CBC_192, 24, 16, 16, GCRY_CIPHER_AES192, GCRY_CIPHER_MODE_CBC, 0, 0},
{IKEV2_ENCR_AES_CBC_256, 32, 16, 16, GCRY_CIPHER_AES256, GCRY_CIPHER_MODE_CBC, 0, 0},
{IKEV2_ENCR_AES_CTR_128, 20, 1, 8, GCRY_CIPHER_AES128, GCRY_CIPHER_MODE_CTR, 4, 0},
{IKEV2_ENCR_AES_CTR_192, 28, 1, 8, GCRY_CIPHER_AES192, GCRY_CIPHER_MODE_CTR, 4, 0},
{IKEV2_ENCR_AES_CTR_256, 36, 1, 8, GCRY_CIPHER_AES256, GCRY_CIPHER_MODE_CTR, 4, 0},
#ifdef HAVE_LIBGCRYPT_AEAD
/* GCM algorithms: key length: aes-length + 4 bytes of IV (salt), iv - 8 bytes */
{IKEV2_ENCR_AES_GCM_128_16, 20, 1, 8, GCRY_CIPHER_AES128, GCRY_CIPHER_MODE_GCM, 4, 16},
{IKEV2_ENCR_AES_GCM_192_16, 28, 1, 8, GCRY_CIPHER_AES192, GCRY_CIPHER_MODE_GCM, 4, 16},
{IKEV2_ENCR_AES_GCM_256_16, 36, 1, 8, GCRY_CIPHER_AES256, GCRY_CIPHER_MODE_GCM, 4, 16},
{IKEV2_ENCR_AES_GCM_128_8, 20, 1, 8, GCRY_CIPHER_AES128, GCRY_CIPHER_MODE_GCM, 4, 8},
{IKEV2_ENCR_AES_GCM_192_8, 28, 1, 8, GCRY_CIPHER_AES192, GCRY_CIPHER_MODE_GCM, 4, 8},
{IKEV2_ENCR_AES_GCM_256_8, 36, 1, 8, GCRY_CIPHER_AES256, GCRY_CIPHER_MODE_GCM, 4, 8},
{IKEV2_ENCR_AES_GCM_128_12, 20, 1, 8, GCRY_CIPHER_AES128, GCRY_CIPHER_MODE_GCM, 4, 12},
{IKEV2_ENCR_AES_GCM_192_12, 28, 1, 8, GCRY_CIPHER_AES192, GCRY_CIPHER_MODE_GCM, 4, 12},
{IKEV2_ENCR_AES_GCM_256_12, 36, 1, 8, GCRY_CIPHER_AES256, GCRY_CIPHER_MODE_GCM, 4, 12},
/* CCM algorithms: key length: aes-length + 3 bytes of salt, iv - 8 bytes */
{IKEV2_ENCR_AES_CCM_128_16, 19, 1, 8, GCRY_CIPHER_AES128, GCRY_CIPHER_MODE_CCM, 3, 16},
{IKEV2_ENCR_AES_CCM_192_16, 27, 1, 8, GCRY_CIPHER_AES192, GCRY_CIPHER_MODE_CCM, 3, 16},
{IKEV2_ENCR_AES_CCM_256_16, 35, 1, 8, GCRY_CIPHER_AES256, GCRY_CIPHER_MODE_CCM, 3, 16},
{IKEV2_ENCR_AES_CCM_128_8, 19, 1, 8, GCRY_CIPHER_AES128, GCRY_CIPHER_MODE_CCM, 3, 8},
{IKEV2_ENCR_AES_CCM_192_8, 27, 1, 8, GCRY_CIPHER_AES192, GCRY_CIPHER_MODE_CCM, 3, 8},
{IKEV2_ENCR_AES_CCM_256_8, 35, 1, 8, GCRY_CIPHER_AES256, GCRY_CIPHER_MODE_CCM, 3, 8},
{IKEV2_ENCR_AES_CCM_128_12, 19, 1, 8, GCRY_CIPHER_AES128, GCRY_CIPHER_MODE_CCM, 3, 12},
{IKEV2_ENCR_AES_CCM_192_12, 27, 1, 8, GCRY_CIPHER_AES192, GCRY_CIPHER_MODE_CCM, 3, 12},
{IKEV2_ENCR_AES_CCM_256_12, 35, 1, 8, GCRY_CIPHER_AES256, GCRY_CIPHER_MODE_CCM, 3, 12},
#else
/* decrypt using plain ctr mode - special handling for GCM mode of counter initial value 2 inside dis_enc()*/
/* GCM algorithms: key length: aes-length + 4 bytes of IV (salt), iv - 8 bytes */
{IKEV2_ENCR_AES_GCM_128_16, 20, 1, 8, GCRY_CIPHER_AES128, GCRY_CIPHER_MODE_CTR, 4, 16},
{IKEV2_ENCR_AES_GCM_192_16, 28, 1, 8, GCRY_CIPHER_AES192, GCRY_CIPHER_MODE_CTR, 4, 16},
{IKEV2_ENCR_AES_GCM_256_16, 36, 1, 8, GCRY_CIPHER_AES256, GCRY_CIPHER_MODE_CTR, 4, 16},
{IKEV2_ENCR_AES_GCM_128_8, 20, 1, 8, GCRY_CIPHER_AES128, GCRY_CIPHER_MODE_CTR, 4, 8},
{IKEV2_ENCR_AES_GCM_192_8, 28, 1, 8, GCRY_CIPHER_AES192, GCRY_CIPHER_MODE_CTR, 4, 8},
{IKEV2_ENCR_AES_GCM_256_8, 36, 1, 8, GCRY_CIPHER_AES256, GCRY_CIPHER_MODE_CTR, 4, 8},
{IKEV2_ENCR_AES_GCM_128_12, 20, 1, 8, GCRY_CIPHER_AES128, GCRY_CIPHER_MODE_CTR, 4, 12},
{IKEV2_ENCR_AES_GCM_192_12, 28, 1, 8, GCRY_CIPHER_AES192, GCRY_CIPHER_MODE_CTR, 4, 12},
{IKEV2_ENCR_AES_GCM_256_12, 36, 1, 8, GCRY_CIPHER_AES256, GCRY_CIPHER_MODE_CTR, 4, 12},
/* CCM algorithms: key length: aes-length + 3 bytes of salt, iv - 8 bytes.
* Special handling of setting first byte of iv to length of 14 - noncelen inside dis_enc() */
{IKEV2_ENCR_AES_CCM_128_16, 19, 1, 8, GCRY_CIPHER_AES128, GCRY_CIPHER_MODE_CTR, 3, 16},
{IKEV2_ENCR_AES_CCM_192_16, 27, 1, 8, GCRY_CIPHER_AES192, GCRY_CIPHER_MODE_CTR, 3, 16},
{IKEV2_ENCR_AES_CCM_256_16, 35, 1, 8, GCRY_CIPHER_AES256, GCRY_CIPHER_MODE_CTR, 3, 16},
{IKEV2_ENCR_AES_CCM_128_8, 19, 1, 8, GCRY_CIPHER_AES128, GCRY_CIPHER_MODE_CTR, 3, 8},
{IKEV2_ENCR_AES_CCM_192_8, 27, 1, 8, GCRY_CIPHER_AES192, GCRY_CIPHER_MODE_CTR, 3, 8},
{IKEV2_ENCR_AES_CCM_256_8, 35, 1, 8, GCRY_CIPHER_AES256, GCRY_CIPHER_MODE_CTR, 3, 8},
{IKEV2_ENCR_AES_CCM_128_12, 19, 1, 8, GCRY_CIPHER_AES128, GCRY_CIPHER_MODE_CTR, 3, 12},
{IKEV2_ENCR_AES_CCM_192_12, 27, 1, 8, GCRY_CIPHER_AES192, GCRY_CIPHER_MODE_CTR, 3, 12},
{IKEV2_ENCR_AES_CCM_256_12, 35, 1, 8, GCRY_CIPHER_AES256, GCRY_CIPHER_MODE_CTR, 3, 12},
#endif
{0, 0, 0, 0, 0, 0, 0, 0}
};
/*
* Specifications of authentication algorithms for
* decryption and/or ICD (Integrity Checksum Data) checking of IKEv2
*/
typedef struct _ikev2_auth_alg_spec {
guint number;
/* Output length of the hash algorithm */
guint output_len;
/* Length of the hash key */
guint key_len;
/* Actual ICD length after truncation */
guint trunc_len;
/* Hash algorithm ID to be passed to gcry_md_open() */
gint gcry_alg;
/* Flags to be passed to gcry_md_open() */
guint gcry_flag;
} ikev2_auth_alg_spec_t;
#define IKEV2_AUTH_NONE 1
#define IKEV2_AUTH_HMAC_MD5_96 2
#define IKEV2_AUTH_HMAC_SHA1_96 3
#define IKEV2_AUTH_HMAC_SHA2_256_96 4
#define IKEV2_AUTH_HMAC_SHA2_256_128 5
#define IKEV2_AUTH_HMAC_SHA2_384_192 6
#define IKEV2_AUTH_HMAC_SHA2_512_256 7
#define IKEV2_AUTH_ANY_96BITS 8
#define IKEV2_AUTH_ANY_128BITS 9
#define IKEV2_AUTH_ANY_160BITS 10
#define IKEV2_AUTH_ANY_192BITS 11
#define IKEV2_AUTH_ANY_256BITS 12
#define IKEV2_AUTH_ANY_64BITS 13
#define IKEV2_AUTH_HMAC_MD5_128 14
#define IKEV2_AUTH_HMAC_SHA1_160 15
static ikev2_auth_alg_spec_t ikev2_auth_algs[] = {
/*{number, output_len, key_len, trunc_len, gcry_alg, gcry_flag}*/
{IKEV2_AUTH_NONE, 0, 0, 0, GCRY_MD_NONE, 0},
{IKEV2_AUTH_HMAC_MD5_96, 16, 16, 12, GCRY_MD_MD5, GCRY_MD_FLAG_HMAC},
{IKEV2_AUTH_HMAC_SHA1_96, 20, 20, 12, GCRY_MD_SHA1, GCRY_MD_FLAG_HMAC},
{IKEV2_AUTH_HMAC_MD5_128, 16, 16, 16, GCRY_MD_MD5, GCRY_MD_FLAG_HMAC},
{IKEV2_AUTH_HMAC_SHA1_160, 20, 20, 20, GCRY_MD_SHA1, GCRY_MD_FLAG_HMAC},
{IKEV2_AUTH_HMAC_SHA2_256_96, 32, 32, 12, GCRY_MD_SHA256, GCRY_MD_FLAG_HMAC},
{IKEV2_AUTH_HMAC_SHA2_256_128, 32, 32, 16, GCRY_MD_SHA256, GCRY_MD_FLAG_HMAC},
{IKEV2_AUTH_HMAC_SHA2_384_192, 48, 48, 24, GCRY_MD_SHA384, GCRY_MD_FLAG_HMAC},
{IKEV2_AUTH_HMAC_SHA2_512_256, 64, 64, 32, GCRY_MD_SHA512, GCRY_MD_FLAG_HMAC},
{IKEV2_AUTH_ANY_96BITS, 0, 0, 12, 0, 0},
{IKEV2_AUTH_ANY_128BITS, 0, 0, 16, 0, 0},
{IKEV2_AUTH_ANY_160BITS, 0, 0, 20, 0, 0},
{IKEV2_AUTH_ANY_192BITS, 0, 0, 24, 0, 0},
{IKEV2_AUTH_ANY_256BITS, 0, 0, 32, 0, 0},
{IKEV2_AUTH_ANY_64BITS, 0, 0, 8, 0, 0},
{0, 0, 0, 0, 0, 0}
};
typedef struct _ikev2_decrypt_data {
guchar *encr_key;
guchar *auth_key;
ikev2_encr_alg_spec_t *encr_spec;
ikev2_auth_alg_spec_t *auth_spec;
} ikev2_decrypt_data_t;
typedef struct _ikev2_uat_data_key {
guchar *spii;
guint spii_len;
guchar *spir;
guint spir_len;
} ikev2_uat_data_key_t;
typedef struct _ikev2_uat_data {
ikev2_uat_data_key_t key;
guint encr_alg;
guint auth_alg;
guchar *sk_ei;
guint sk_ei_len;
guchar *sk_er;
guint sk_er_len;
guchar *sk_ai;
guint sk_ai_len;
guchar *sk_ar;
guint sk_ar_len;
ikev2_encr_alg_spec_t *encr_spec;
ikev2_auth_alg_spec_t *auth_spec;
} ikev2_uat_data_t;
static ikev2_uat_data_t* ikev2_uat_data = NULL;
static guint num_ikev2_uat_data = 0;
static uat_t* ikev2_uat;
/* IKEv2: (I-SPI, R-SPI) -> ikev2_uat_data_t* */
static GHashTable *ikev2_key_hash = NULL;
#define IKEV2_ENCR_3DES_STR "3DES [RFC2451]"
static const value_string vs_ikev2_encr_algs[] = {
{IKEV2_ENCR_3DES, IKEV2_ENCR_3DES_STR},
{IKEV2_ENCR_AES_CBC_128, "AES-CBC-128 [RFC3602]"},
{IKEV2_ENCR_AES_CBC_192, "AES-CBC-192 [RFC3602]"},
{IKEV2_ENCR_AES_CBC_256, "AES-CBC-256 [RFC3602]"},
{IKEV2_ENCR_NULL, "NULL [RFC2410]"},
{IKEV2_ENCR_AES_CTR_128, "AES-CTR-128 [RFC5930]"},
{IKEV2_ENCR_AES_CTR_192, "AES-CTR-192 [RFC5930]"},
{IKEV2_ENCR_AES_CTR_256, "AES-CTR-256 [RFC5930]"},
{IKEV2_ENCR_AES_GCM_128_16, "AES-GCM-128 with 16 octet ICV [RFC5282]"},
{IKEV2_ENCR_AES_GCM_192_16, "AES-GCM-192 with 16 octet ICV [RFC5282]"},
{IKEV2_ENCR_AES_GCM_256_16, "AES-GCM-256 with 16 octet ICV [RFC5282]"},
{IKEV2_ENCR_AES_GCM_128_8, "AES-GCM-128 with 8 octet ICV [RFC5282]"},
{IKEV2_ENCR_AES_GCM_192_8, "AES-GCM-192 with 8 octet ICV [RFC5282]"},
{IKEV2_ENCR_AES_GCM_256_8, "AES-GCM-256 with 8 octet ICV [RFC5282]"},
{IKEV2_ENCR_AES_GCM_128_12, "AES-GCM-128 with 12 octet ICV [RFC5282]"},
{IKEV2_ENCR_AES_GCM_192_12, "AES-GCM-192 with 12 octet ICV [RFC5282]"},
{IKEV2_ENCR_AES_GCM_256_12, "AES-GCM-256 with 12 octet ICV [RFC5282]"},
{IKEV2_ENCR_AES_CCM_128_16, "AES-CCM-128 with 16 octet ICV [RFC5282]"},
{IKEV2_ENCR_AES_CCM_192_16, "AES-CCM-192 with 16 octet ICV [RFC5282]"},
{IKEV2_ENCR_AES_CCM_256_16, "AES-CCM-256 with 16 octet ICV [RFC5282]"},
{IKEV2_ENCR_AES_CCM_128_8, "AES-CCM-128 with 8 octet ICV [RFC5282]"},
{IKEV2_ENCR_AES_CCM_192_8, "AES-CCM-192 with 8 octet ICV [RFC5282]"},
{IKEV2_ENCR_AES_CCM_256_8, "AES-CCM-256 with 8 octet ICV [RFC5282]"},
{IKEV2_ENCR_AES_CCM_128_12, "AES-CCM-128 with 12 octet ICV [RFC5282]"},
{IKEV2_ENCR_AES_CCM_192_12, "AES-CCM-192 with 12 octet ICV [RFC5282]"},
{IKEV2_ENCR_AES_CCM_256_12, "AES-CCM-256 with 12 octet ICV [RFC5282]"},
{0, NULL}
};
#define IKEV2_AUTH_HMAC_SHA1_96_STR "HMAC_SHA1_96 [RFC2404]"
static const value_string vs_ikev2_auth_algs[] = {
{IKEV2_AUTH_HMAC_MD5_96, "HMAC_MD5_96 [RFC2403]"},
{IKEV2_AUTH_HMAC_SHA1_96, IKEV2_AUTH_HMAC_SHA1_96_STR},
{IKEV2_AUTH_HMAC_MD5_128, "HMAC_MD5_128 [RFC4595]"},
{IKEV2_AUTH_HMAC_SHA1_160, "HMAC_SHA1_160 [RFC4595]"},
{IKEV2_AUTH_HMAC_SHA2_256_96, "HMAC_SHA2_256_96 [draft-ietf-ipsec-ciph-sha-256-00]"},
{IKEV2_AUTH_HMAC_SHA2_256_128, "HMAC_SHA2_256_128 [RFC4868]"},
{IKEV2_AUTH_HMAC_SHA2_384_192, "HMAC_SHA2_384_192 [RFC4868]"},
{IKEV2_AUTH_HMAC_SHA2_512_256, "HMAC_SHA2_512_256 [RFC4868]"},
{IKEV2_AUTH_NONE, "NONE [RFC4306]"},
{IKEV2_AUTH_ANY_64BITS, "ANY 64-bits of Authentication [No Checking]"},
{IKEV2_AUTH_ANY_96BITS, "ANY 96-bits of Authentication [No Checking]"},
{IKEV2_AUTH_ANY_128BITS, "ANY 128-bits of Authentication [No Checking]"},
{IKEV2_AUTH_ANY_160BITS, "ANY 160-bits of Authentication [No Checking]"},
{IKEV2_AUTH_ANY_192BITS, "ANY 192-bits of Authentication [No Checking]"},
{IKEV2_AUTH_ANY_256BITS, "ANY 256-bits of Authentication [No Checking]"},
{0, NULL}
};
static ikev2_encr_alg_spec_t* ikev2_decrypt_find_encr_spec(guint num) {
ikev2_encr_alg_spec_t *e;
for (e = ikev2_encr_algs; e->number != 0; e++) {
if (e->number == num) {
return e;
}
}
return NULL;
}
static ikev2_auth_alg_spec_t* ikev2_decrypt_find_auth_spec(guint num) {
ikev2_auth_alg_spec_t *a;
for (a = ikev2_auth_algs; a->number != 0; a++) {
if (a->number == num) {
return a;
}
}
return NULL;
}
static gint ikev1_find_gcry_cipher_algo(guint ike_cipher, guint ike_keylen) {
switch(ike_cipher) {
case ENC_3DES_CBC:
return GCRY_CIPHER_3DES;
case ENC_DES_CBC:
return GCRY_CIPHER_DES;
case ENC_AES_CBC:
switch (ike_keylen) {
case 128:
return GCRY_CIPHER_AES128;
case 192:
return GCRY_CIPHER_AES192;
case 256:
return GCRY_CIPHER_AES256;
}
return GCRY_CIPHER_NONE;
}
return GCRY_CIPHER_NONE;
}
static gint ikev1_find_gcry_md_algo(guint ike_hash) {
switch(ike_hash) {
case HMAC_MD5:
return GCRY_MD_MD5;
case HMAC_SHA:
return GCRY_MD_SHA1;
case HMAC_SHA2_256:
return GCRY_MD_SHA256;
case HMAC_SHA2_384:
return GCRY_MD_SHA384;
case HMAC_SHA2_512:
return GCRY_MD_SHA512;
}
return GCRY_MD_NONE;
}
static gpointer
generate_iv(const gpointer b1, gsize b1_len,
const gpointer b2, gsize b2_len,
gint md_algo, gsize iv_len) {
gcry_md_hd_t md_ctx;
gpointer iv;
if (gcry_md_open(&md_ctx, md_algo, 0) != GPG_ERR_NO_ERROR)
return NULL;
gcry_md_write(md_ctx, b1, b1_len);
gcry_md_write(md_ctx, b2, b2_len);
iv = wmem_alloc(wmem_file_scope(), iv_len);
memcpy(iv, gcry_md_read(md_ctx, md_algo), iv_len);
gcry_md_close(md_ctx);
return iv;
}
/* Get the IV previously stored for the current message ID,
* or create a new IV if the message ID was not seen before.
* The caller owns the result and does not need to copy it.
* This function may return NULL.
*/
static gpointer
get_iv(guint32 message_id, decrypt_data_t *decr) {
gpointer iv, iv1;
gsize cipher_blklen;
gpointer msgid_key;
guint32 msgid_net;
gboolean found;
cipher_blklen = decr->cipher_blklen;
/* Get the current IV for the given message ID,
* and remove it from the hash table without destroying it. */
msgid_key = GINT_TO_POINTER(message_id);
found = g_hash_table_lookup_extended(decr->iv_hash, msgid_key, NULL, &iv);
if (found) {
g_hash_table_steal(decr->iv_hash, msgid_key);
return iv;
}
/* No IV for this message ID was found; a new phase has started.
* Generate the first IV for it from its message ID and the current
* phase 1 IV. The phase 1 IV always exists in the hash table
* and is not NULL.
*/
iv1 = g_hash_table_lookup(decr->iv_hash, GINT_TO_POINTER(0));
msgid_net = g_htonl(message_id);
iv = generate_iv(iv1, cipher_blklen,
&msgid_net, sizeof(msgid_net),
decr->digest_algo, cipher_blklen);
return iv;
}
/* Fill in the next IV from the final ciphertext block. */
static void
set_next_iv(const guint8 *buf, guint buf_len, guint32 message_id, decrypt_data_t *decr) {
gpointer iv;
gsize cipher_blklen;
gpointer msgid_key;
cipher_blklen = decr->cipher_blklen;
if (buf_len < cipher_blklen) {
iv = NULL;
} else {
iv = wmem_alloc(wmem_file_scope(), cipher_blklen);
memcpy(iv, buf + buf_len - cipher_blklen, cipher_blklen);
}
msgid_key = GINT_TO_POINTER(message_id);
g_hash_table_insert(decr->iv_hash, msgid_key, iv);
}
static void
update_ivs(packet_info *pinfo, const guint8 *buf, guint buf_len, guint32 message_id, decrypt_data_t *decr) {
gpointer iv;
/* Get the current IV and store it as per-packet data. */
iv = get_iv(message_id, decr);
p_add_proto_data(wmem_file_scope(), pinfo, proto_isakmp, PINFO_CBC_IV, iv);
set_next_iv(buf, buf_len, message_id, decr);
}
static gboolean
prepare_decrypt_params(decrypt_data_t *decr) {
decr->cipher_algo = ikev1_find_gcry_cipher_algo(decr->ike_encr_alg,
decr->ike_encr_keylen);
decr->digest_algo = ikev1_find_gcry_md_algo(decr->ike_hash_alg);
if (decr->cipher_algo == GCRY_CIPHER_NONE ||
decr->digest_algo == GCRY_MD_NONE)
return FALSE;
decr->cipher_keylen = gcry_cipher_get_algo_keylen(decr->cipher_algo);
decr->cipher_blklen = gcry_cipher_get_algo_blklen(decr->cipher_algo);
decr->digest_len = gcry_md_get_algo_dlen(decr->digest_algo);
if (decr->secret_len < decr->cipher_keylen ||
decr->digest_len < decr->cipher_blklen)
return FALSE;
if (decr->gi_len == 0 || decr->gr_len == 0)
return FALSE;
return TRUE;
}
/* Generate phase 1 IV from DH values
* and store it into the IV hash table. */
static gboolean
prepare_phase1_iv(decrypt_data_t *decr) {
gpointer iv;
iv = generate_iv(decr->gi, decr->gi_len,
decr->gr, decr->gr_len,
decr->digest_algo, decr->cipher_blklen);
if (!iv)
return FALSE;
g_hash_table_insert(decr->iv_hash, GINT_TO_POINTER(0), iv);
return TRUE;
}
static gboolean
prepare_decrypt(decrypt_data_t *decr) {
gboolean result;
if (!decr)
return FALSE;
if (decr->state == DECR_PARAMS_INIT) {
/* Short-circuit evaluation is intended. */
result = prepare_decrypt_params(decr) &&
prepare_phase1_iv(decr);
decr->state = result ? DECR_PARAMS_READY : DECR_PARAMS_FAIL;
}
return (decr->state == DECR_PARAMS_READY);
}
static decrypt_data_t *
create_decrypt_data(void) {
decrypt_data_t *decr;
decr = (decrypt_data_t *)g_slice_alloc(sizeof(decrypt_data_t));
memset(decr, 0, sizeof(decrypt_data_t));
decr->iv_hash = g_hash_table_new(NULL, NULL);
clear_address(&decr->initiator);
return decr;
}
static tvbuff_t *
decrypt_payload(tvbuff_t *tvb, packet_info *pinfo, const guint8 *buf, guint buf_len, decrypt_data_t *decr) {
guint8 *decrypted_data;
gcry_cipher_hd_t decr_ctx;
tvbuff_t *encr_tvb;
gpointer iv;
gboolean error;
if (buf_len < decr->cipher_blklen)
return NULL;
iv = p_get_proto_data(wmem_file_scope(), pinfo, proto_isakmp, PINFO_CBC_IV);
if (!iv)
return NULL;
if (gcry_cipher_open(&decr_ctx, decr->cipher_algo, GCRY_CIPHER_MODE_CBC, 0) != GPG_ERR_NO_ERROR)
return NULL;
decrypted_data = (guint8 *)wmem_alloc(pinfo->pool, buf_len);
/* Short-circuit evaluation is intended. */
error = gcry_cipher_setiv(decr_ctx, iv, decr->cipher_blklen) ||
gcry_cipher_setkey(decr_ctx, decr->secret, decr->secret_len) ||
gcry_cipher_decrypt(decr_ctx, decrypted_data, buf_len, buf, buf_len);
gcry_cipher_close(decr_ctx);
if (error)
return NULL;
encr_tvb = tvb_new_child_real_data(tvb, decrypted_data, buf_len, buf_len);
/* Add the decrypted data to the data source list. */
add_new_data_source(pinfo, encr_tvb, "Decrypted IKE");
return encr_tvb;
}
static proto_tree *dissect_payload_header(tvbuff_t *, packet_info *, int, int, int, guint8,
guint8 *, guint16 *, proto_tree *);
static void dissect_sa(tvbuff_t *, int, int, proto_tree *, int, packet_info *, gboolean, void*);
static void dissect_proposal(tvbuff_t *, packet_info *, int, int, proto_tree *, int, void*);
static void dissect_transform(tvbuff_t *, packet_info *, int, int, proto_tree *, int, int, void*);
static void dissect_key_exch(tvbuff_t *, int, int, proto_tree *, int, packet_info *, void*);
static void dissect_id_type(tvbuff_t *, int, int, guint8, proto_tree *, proto_item *, packet_info *);
static void dissect_id(tvbuff_t *, int, int, proto_tree *, int, packet_info *);
static void dissect_cert(tvbuff_t *, int, int, proto_tree *, int, packet_info *);
static void dissect_certreq(tvbuff_t *, int, int, proto_tree *, int, packet_info *);
static void dissect_auth(tvbuff_t *, packet_info *, int, int, proto_tree *);
static void dissect_hash(tvbuff_t *, int, int, proto_tree *);
static void dissect_sig(tvbuff_t *, int, int, proto_tree *);
static void dissect_nonce(tvbuff_t *, int, int, proto_tree *);
static void dissect_notif(tvbuff_t *, packet_info *, int, int, proto_tree *, int);
static void dissect_delete(tvbuff_t *, int, int, proto_tree *, int);
static int dissect_vid(tvbuff_t *, int, int, proto_tree *);
static void dissect_config(tvbuff_t *, packet_info *, int, int, proto_tree *, int, gboolean);
static void dissect_sa_kek(tvbuff_t *, packet_info *, int, int, proto_tree *);
static void dissect_sa_tek(tvbuff_t *, packet_info *, int, int, proto_tree *);
static void dissect_key_download(tvbuff_t *, packet_info *, int, int, proto_tree *, int);
static void dissect_sequence(tvbuff_t *, packet_info *, int, int, proto_tree *);
static void dissect_nat_discovery(tvbuff_t *, int, int, proto_tree * );
static void dissect_nat_original_address(tvbuff_t *, int, int, proto_tree *, int );
static void dissect_ts_payload(tvbuff_t *, int, int, proto_tree *);
static tvbuff_t * dissect_enc(tvbuff_t *, int, int, proto_tree *, packet_info *, guint8, gboolean, void*, gboolean);
static void dissect_eap(tvbuff_t *, int, int, proto_tree *, packet_info *);
static void dissect_gspm(tvbuff_t *, int, int, proto_tree *);
static void dissect_cisco_fragmentation(tvbuff_t *, int, int, proto_tree *, packet_info *);
/* State of current fragmentation within a conversation */
typedef struct ikev2_fragmentation_state_t {
guint32 message_id;
guint8 next_payload;
} ikev2_fragmentation_state_t;
/* frame_number -> next_payload. The key will be the frame that completes the original message */
static GHashTable *defrag_next_payload_hash = NULL;
static void dissect_ikev2_fragmentation(tvbuff_t *, int, proto_tree *, packet_info *, guint32 message_id, guint8 next_payload,
gboolean is_request, void* decr_info);
static const guint8 VID_SSH_IPSEC_EXPRESS_1_1_0[] = { /* Ssh Communications Security IPSEC Express version 1.1.0 */
0xfB, 0xF4, 0x76, 0x14, 0x98, 0x40, 0x31, 0xFA,
0x8E, 0x3B, 0xB6, 0x19, 0x80, 0x89, 0xB2, 0x23
};
static const guint8 VID_SSH_IPSEC_EXPRESS_1_1_1[] = { /* Ssh Communications Security IPSEC Express version 1.1.1 */
0x19, 0x52, 0xDC, 0x91, 0xAC, 0x20, 0xF6, 0x46,
0xFB, 0x01, 0xCF, 0x42, 0xA3, 0x3A, 0xEE, 0x30
};
static const guint8 VID_SSH_IPSEC_EXPRESS_1_1_2[] = { /* Ssh Communications Security IPSEC Express version 1.1.2 */
0xE8, 0xBF, 0xFA, 0x64, 0x3E, 0x5C, 0x8F, 0x2C,
0xD1, 0x0F, 0xDA, 0x73, 0x70, 0xB6, 0xEB, 0xE5
};
static const guint8 VID_SSH_IPSEC_EXPRESS_1_2_1[] = { /* Ssh Communications Security IPSEC Express version 1.2.1 */
0xC1, 0x11, 0x1B, 0x2D, 0xEE, 0x8C, 0xBC, 0x3D,
0x62, 0x05, 0x73, 0xEC, 0x57, 0xAA, 0xB9, 0xCB
};
static const guint8 VID_SSH_IPSEC_EXPRESS_1_2_2[] = { /* Ssh Communications Security IPSEC Express version 1.2.2 */
0x09, 0xEC, 0x27, 0xBF, 0xBC, 0x09, 0xC7, 0x58,
0x23, 0xCF, 0xEC, 0xBF, 0xFE, 0x56, 0x5A, 0x2E
};
static const guint8 VID_SSH_IPSEC_EXPRESS_2_0_0[] = { /* SSH Communications Security IPSEC Express version 2.0.0 */
0x7F, 0x21, 0xA5, 0x96, 0xE4, 0xE3, 0x18, 0xF0,
0xB2, 0xF4, 0x94, 0x4C, 0x23, 0x84, 0xCB, 0x84
};
static const guint8 VID_SSH_IPSEC_EXPRESS_2_1_0[] = { /* SSH Communications Security IPSEC Express version 2.1.0 */
0x28, 0x36, 0xD1, 0xFD, 0x28, 0x07, 0xBC, 0x9E,
0x5A, 0xE3, 0x07, 0x86, 0x32, 0x04, 0x51, 0xEC
};
static const guint8 VID_SSH_IPSEC_EXPRESS_2_1_1[] = { /* SSH Communications Security IPSEC Express version 2.1.1 */
0xA6, 0x8D, 0xE7, 0x56, 0xA9, 0xC5, 0x22, 0x9B,
0xAE, 0x66, 0x49, 0x80, 0x40, 0x95, 0x1A, 0xD5
};
static const guint8 VID_SSH_IPSEC_EXPRESS_2_1_2[] = { /* SSH Communications Security IPSEC Express version 2.1.2 */
0x3F, 0x23, 0x72, 0x86, 0x7E, 0x23, 0x7C, 0x1C,
0xD8, 0x25, 0x0A, 0x75, 0x55, 0x9C, 0xAE, 0x20
};
static const guint8 VID_SSH_IPSEC_EXPRESS_3_0_0[] = { /* SSH Communications Security IPSEC Express version 3.0.0 */
0x0E, 0x58, 0xD5, 0x77, 0x4D, 0xF6, 0x02, 0x00,
0x7D, 0x0B, 0x02, 0x44, 0x36, 0x60, 0xF7, 0xEB
};
static const guint8 VID_SSH_IPSEC_EXPRESS_3_0_1[] = { /* SSH Communications Security IPSEC Express version 3.0.1 */
0xF5, 0xCE, 0x31, 0xEB, 0xC2, 0x10, 0xF4, 0x43,
0x50, 0xCF, 0x71, 0x26, 0x5B, 0x57, 0x38, 0x0F
};
static const guint8 VID_SSH_IPSEC_EXPRESS_4_0_0[] = { /* SSH Communications Security IPSEC Express version 4.0.0 */
0xF6, 0x42, 0x60, 0xAF, 0x2E, 0x27, 0x42, 0xDA,
0xDD, 0xD5, 0x69, 0x87, 0x06, 0x8A, 0x99, 0xA0
};
static const guint8 VID_SSH_IPSEC_EXPRESS_4_0_1[] = { /* SSH Communications Security IPSEC Express version 4.0.1 */
0x7A, 0x54, 0xD3, 0xBD, 0xB3, 0xB1, 0xE6, 0xD9,
0x23, 0x89, 0x20, 0x64, 0xBE, 0x2D, 0x98, 0x1C
};
static const guint8 VID_SSH_IPSEC_EXPRESS_4_1_0[] = { /* SSH Communications Security IPSEC Express version 4.1.0 */
0x9A, 0xA1, 0xF3, 0xB4, 0x34, 0x72, 0xA4, 0x5D,
0x5F, 0x50, 0x6A, 0xEB, 0x26, 0x0C, 0xF2, 0x14
};
static const guint8 VID_SSH_IPSEC_EXPRESS_4_1_1[] = { /* SSH Communications Security IPSEC Express version 4.1.1 */
0x89, 0xF7, 0xB7, 0x60, 0xD8, 0x6B, 0x01, 0x2A,
0xCF, 0x26, 0x33, 0x82, 0x39, 0x4D, 0x96, 0x2F
};
static const guint8 VID_SSH_IPSEC_EXPRESS_4_2_0[] = { /* SSH Communications Security IPSEC Express version 4.2.0 */
0x68, 0x80, 0xC7, 0xD0, 0x26, 0x09, 0x91, 0x14,
0xE4, 0x86, 0xC5, 0x54, 0x30, 0xE7, 0xAB, 0xEE
};
static const guint8 VID_SSH_IPSEC_EXPRESS_5_0[] = { /* SSH Communications Security IPSEC Express version 5.0 */
0xB0, 0x37, 0xA2, 0x1A, 0xCE, 0xCC, 0xB5, 0x57,
0x0F, 0x60, 0x25, 0x46, 0xF9, 0x7B, 0xDE, 0x8C
};
static const guint8 VID_SSH_IPSEC_EXPRESS_5_0_0[] = { /* SSH Communications Security IPSEC Express version 5.0.0 */
0x2B, 0x2D, 0xAD, 0x97, 0xC4, 0xD1, 0x40, 0x93,
0x00, 0x53, 0x28, 0x7F, 0x99, 0x68, 0x50, 0xB0
};
static const guint8 VID_SSH_IPSEC_EXPRESS_5_1_0[] = { /* SSH Communications Security IPSEC Express version 5.1.0 */
0x45, 0xE1, 0x7F, 0x3A, 0xBE, 0x93, 0x94, 0x4C,
0xB2, 0x02, 0x91, 0x0C, 0x59, 0xEF, 0x80, 0x6B
};
static const guint8 VID_SSH_IPSEC_EXPRESS_5_1_1[] = { /* SSH Communications Security IPSEC Express version 5.1.1 */
0x59, 0x25, 0x85, 0x9F, 0x73, 0x77, 0xED, 0x78,
0x16, 0xD2, 0xFB, 0x81, 0xC0, 0x1F, 0xA5, 0x51
};
static const guint8 VID_SSH_SENTINEL[] = { /* SSH Sentinel */
0x05, 0x41, 0x82, 0xA0, 0x7C, 0x7A, 0xE2, 0x06,
0xF9, 0xD2, 0xCF, 0x9D, 0x24, 0x32, 0xC4, 0x82
};
static const guint8 VID_SSH_SENTINEL_1_1[] = { /* SSH Sentinel 1.1 */
0xB9, 0x16, 0x23, 0xE6, 0x93, 0xCA, 0x18, 0xA5,
0x4C, 0x6A, 0x27, 0x78, 0x55, 0x23, 0x05, 0xE8
};
static const guint8 VID_SSH_SENTINEL_1_2[] = { /* SSH Sentinel 1.2 */
0x54, 0x30, 0x88, 0x8D, 0xE0, 0x1A, 0x31, 0xA6,
0xFA, 0x8F, 0x60, 0x22, 0x4E, 0x44, 0x99, 0x58
};
static const guint8 VID_SSH_SENTINEL_1_3[] = { /* SSH Sentinel 1.3 */
0x7E, 0xE5, 0xCB, 0x85, 0xF7, 0x1C, 0xE2, 0x59,
0xC9, 0x4A, 0x5C, 0x73, 0x1E, 0xE4, 0xE7, 0x52
};
static const guint8 VID_SSH_SENTINEL_1_4[] = { /* SSH Sentinel 1.4 */
0x63, 0xD9, 0xA1, 0xA7, 0x00, 0x94, 0x91, 0xB5,
0xA0, 0xA6, 0xFD, 0xEB, 0x2A, 0x82, 0x84, 0xF0
};
static const guint8 VID_SSH_SENTINEL_1_4_1[] = { /* SSH Sentinel 1.4.1 */
0xEB, 0x4B, 0x0D, 0x96, 0x27, 0x6B, 0x4E, 0x22,
0x0A, 0xD1, 0x62, 0x21, 0xA7, 0xB2, 0xA5, 0xE6
};
static const guint8 VID_SSH_QUICKSEC_0_9_0[] = { /* SSH Communications Security QuickSec 0.9.0 */
0x37, 0xEB, 0xA0, 0xC4, 0x13, 0x61, 0x84, 0xE7,
0xDA, 0xF8, 0x56, 0x2A, 0x77, 0x06, 0x0B, 0x4A
};
static const guint8 VID_SSH_QUICKSEC_1_1_0[] = { /* SSH Communications Security QuickSec 1.1.0 */
0x5D, 0x72, 0x92, 0x5E, 0x55, 0x94, 0x8A, 0x96,
0x61, 0xA7, 0xFC, 0x48, 0xFD, 0xEC, 0x7F, 0xF9
};
static const guint8 VID_SSH_QUICKSEC_1_1_1[] = { /* SSH Communications Security QuickSec 1.1.1 */
0x77, 0x7F, 0xBF, 0x4C, 0x5A, 0xF6, 0xD1, 0xCD,
0xD4, 0xB8, 0x95, 0xA0, 0x5B, 0xF8, 0x25, 0x94
};
static const guint8 VID_SSH_QUICKSEC_1_1_2[] = { /* SSH Communications Security QuickSec 1.1.2 */
0x2C, 0xDF, 0x08, 0xE7, 0x12, 0xED, 0xE8, 0xA5,
0x97, 0x87, 0x61, 0x26, 0x7C, 0xD1, 0x9B, 0x91
};
static const guint8 VID_SSH_QUICKSEC_1_1_3[] = { /* SSH Communications Security QuickSec 1.1.3 */
0x59, 0xE4, 0x54, 0xA8, 0xC2, 0xCF, 0x02, 0xA3,
0x49, 0x59, 0x12, 0x1F, 0x18, 0x90, 0xBC, 0x87
};
static const guint8 VID_draft_huttunen_ipsec_esp_in_udp_00[] = { /* draft-huttunen-ipsec-esp-in-udp-00.txt */
0x6A, 0x74, 0x34, 0xC1, 0x9D, 0x7E, 0x36, 0x34,
0x80, 0x90, 0xA0, 0x23, 0x34, 0xC9, 0xC8, 0x05
};
static const guint8 VID_draft_huttunen_ipsec_esp_in_udp_01[] = { /* draft-huttunen-ipsec-esp-in-udp-01.txt */
0x50, 0x76, 0x0F, 0x62, 0x4C, 0x63, 0xE5, 0xC5,
0x3E, 0xEA, 0x38, 0x6C, 0x68, 0x5C, 0xA0, 0x83
};
static const guint8 VID_draft_stenberg_ipsec_nat_traversal_01[] = { /* draft-stenberg-ipsec-nat-traversal-01 */
0x27, 0xBA, 0xB5, 0xDC, 0x01, 0xEA, 0x07, 0x60,
0xEA, 0x4E, 0x31, 0x90, 0xAC, 0x27, 0xC0, 0xD0
};
static const guint8 VID_draft_stenberg_ipsec_nat_traversal_02[]= { /* draft-stenberg-ipsec-nat-traversal-02 */
0x61, 0x05, 0xC4, 0x22, 0xE7, 0x68, 0x47, 0xE4,
0x3F, 0x96, 0x84, 0x80, 0x12, 0x92, 0xAE, 0xCD
};
static const guint8 VID_draft_ietf_ipsec_nat_t_ike[]= { /* draft-ietf-ipsec-nat-t-ike */
0x4D, 0xF3, 0x79, 0x28, 0xE9, 0xFC, 0x4F, 0xD1,
0xB3, 0x26, 0x21, 0x70, 0xD5, 0x15, 0xC6, 0x62
};
static const guint8 VID_draft_ietf_ipsec_nat_t_ike_00[]= { /* draft-ietf-ipsec-nat-t-ike-00 */
0x44, 0x85, 0x15, 0x2D, 0x18, 0xB6, 0xBB, 0xCD,
0x0B, 0xE8, 0xA8, 0x46, 0x95, 0x79, 0xDD, 0xCC
};
static const guint8 VID_draft_ietf_ipsec_nat_t_ike_01[]= { /* "draft-ietf-ipsec-nat-t-ike-01" */
0x16, 0xF6, 0xCA, 0x16, 0xE4, 0xA4, 0x06, 0x6D,
0x83, 0x82, 0x1A, 0x0F, 0x0A, 0xEA, 0xA8, 0x62
};
static const guint8 VID_draft_ietf_ipsec_nat_t_ike_02[]= { /* draft-ietf-ipsec-nat-t-ike-02 */
0xCD, 0x60, 0x46, 0x43, 0x35, 0xDF, 0x21, 0xF8,
0x7C, 0xFD, 0xB2, 0xFC, 0x68, 0xB6, 0xA4, 0x48
};
static const guint8 VID_draft_ietf_ipsec_nat_t_ike_02n[]= { /* draft-ietf-ipsec-nat-t-ike-02\n */
0x90, 0xCB, 0x80, 0x91, 0x3E, 0xBB, 0x69, 0x6E,
0x08, 0x63, 0x81, 0xB5, 0xEC, 0x42, 0x7B, 0x1F
};
static const guint8 VID_draft_ietf_ipsec_nat_t_ike_03[] = { /* draft-ietf-ipsec-nat-t-ike-03 */
0x7D, 0x94, 0x19, 0xA6, 0x53, 0x10, 0xCA, 0x6F,
0x2C, 0x17, 0x9D, 0x92, 0x15, 0x52, 0x9d, 0x56
};
static const guint8 VID_draft_ietf_ipsec_nat_t_ike_04[] = { /* draft-ietf-ipsec-nat-t-ike-04 */
0x99, 0x09, 0xb6, 0x4e, 0xed, 0x93, 0x7c, 0x65,
0x73, 0xde, 0x52, 0xac, 0xe9, 0x52, 0xfa, 0x6b
};
static const guint8 VID_draft_ietf_ipsec_nat_t_ike_05[] = { /* draft-ietf-ipsec-nat-t-ike-05 */
0x80, 0xd0, 0xbb, 0x3d, 0xef, 0x54, 0x56, 0x5e,
0xe8, 0x46, 0x45, 0xd4, 0xc8, 0x5c, 0xe3, 0xee
};
static const guint8 VID_draft_ietf_ipsec_nat_t_ike_06[] = { /* draft-ietf-ipsec-nat-t-ike-06 */
0x4d, 0x1e, 0x0e, 0x13, 0x6d, 0xea, 0xfa, 0x34,
0xc4, 0xf3, 0xea, 0x9f, 0x02, 0xec, 0x72, 0x85
};
static const guint8 VID_draft_ietf_ipsec_nat_t_ike_07[] = { /* draft-ietf-ipsec-nat-t-ike-07 */
0x43, 0x9b, 0x59, 0xf8, 0xba, 0x67, 0x6c, 0x4c,
0x77, 0x37, 0xae, 0x22, 0xea, 0xb8, 0xf5, 0x82
};
static const guint8 VID_draft_ietf_ipsec_nat_t_ike_08[] = { /* draft-ietf-ipsec-nat-t-ike-08 */
0x8f, 0x8d, 0x83, 0x82, 0x6d, 0x24, 0x6b, 0x6f,
0xc7, 0xa8, 0xa6, 0xa4, 0x28, 0xc1, 0x1d, 0xe8
};
static const guint8 VID_draft_ietf_ipsec_nat_t_ike_09[] = { /* draft-ietf-ipsec-nat-t-ike-09 */
0x42, 0xea, 0x5b, 0x6f, 0x89, 0x8d, 0x97, 0x73,
0xa5, 0x75, 0xdf, 0x26, 0xe7, 0xdd, 0x19, 0xe1
};
static const guint8 VID_testing_nat_t_rfc[] = { /* Testing NAT-T RFC */
0xc4, 0x0f, 0xee, 0x00, 0xd5, 0xd3, 0x9d, 0xdb,
0x1f, 0xc7, 0x62, 0xe0, 0x9b, 0x7c, 0xfe, 0xa7
};
static const guint8 VID_rfc3947_nat_t[] = { /* RFC 3947 Negotiation of NAT-Traversal in the IKE */
0x4a, 0x13, 0x1c, 0x81, 0x07, 0x03, 0x58, 0x45,
0x5c, 0x57, 0x28, 0xf2, 0x0e, 0x95, 0x45, 0x2f
};
static const guint8 VID_draft_beaulieu_ike_xauth_02[]= { /* draft-beaulieu-ike-xauth-02.txt 02 or 06 ??*/
0x09, 0x00, 0x26, 0x89, 0xDF, 0xD6, 0xB7, 0x12,
0x80, 0xA2, 0x24, 0xDE, 0xC3, 0x3B, 0x81, 0xE5
};
static const guint8 VID_xauth[]= { /* XAUTH (truncated MD5 hash of "draft-ietf-ipsra-isakmp-xauth-06.txt") */
0x09, 0x00, 0x26, 0x89, 0xDF, 0xD6, 0xB7, 0x12
};
static const guint8 VID_rfc3706_dpd[]= { /* RFC 3706 */
0xAF, 0xCA, 0xD7, 0x13, 0x68, 0xA1, 0xF1, 0xC9,
0x6B, 0x86, 0x96, 0xFC, 0x77, 0x57, 0x01, 0x00
};
static const guint8 VID_draft_ietf_ipsec_antireplay_00[]= { /* draft-ietf-ipsec-antireplay-00.txt */
0x32, 0x5D, 0xF2, 0x9A, 0x23, 0x19, 0xF2, 0xDD
};
static const guint8 VID_draft_ietf_ipsec_heartbeats_00[]= { /* draft-ietf-ipsec-heartbeats-00.txt */
0x8D, 0xB7, 0xA4, 0x18, 0x11, 0x22, 0x16, 0x60
};
static const guint8 VID_IKE_CHALLENGE_RESPONSE_1[]= { /* IKE Challenge/Response for Authenticated Cryptographic Keys */
0xBA, 0x29, 0x04, 0x99, 0xC2, 0x4E, 0x84, 0xE5,
0x3A, 0x1D, 0x83, 0xA0, 0x5E, 0x5F, 0x00, 0xC9
};
static const guint8 VID_IKE_CHALLENGE_RESPONSE_2[]= { /* IKE Challenge/Response for Authenticated Cryptographic Keys */
0x0D, 0x33, 0x61, 0x1A, 0x5D, 0x52, 0x1B, 0x5E,
0x3C, 0x9C, 0x03, 0xD2, 0xFC, 0x10, 0x7E, 0x12
};
static const guint8 VID_IKE_CHALLENGE_RESPONSE_REV_1[]= { /* IKE Challenge/Response for Authenticated Cryptographic Keys (Revised) */
0xAD, 0x32, 0x51, 0x04, 0x2C, 0xDC, 0x46, 0x52,
0xC9, 0xE0, 0x73, 0x4C, 0xE5, 0xDE, 0x4C, 0x7D
};
static const guint8 VID_IKE_CHALLENGE_RESPONSE_REV_2[]= { /* IKE Challenge/Response for Authenticated Cryptographic Keys (Revised) */
0x01, 0x3F, 0x11, 0x82, 0x3F, 0x96, 0x6F, 0xA9,
0x19, 0x00, 0xF0, 0x24, 0xBA, 0x66, 0xA8, 0x6B
};
static const guint8 VID_CISCO_FRAG2[]= { /* Cisco Fragmentation - md5("FRAGMENTATION") */
0x40, 0x48, 0xB7, 0xD5, 0x6E, 0xBC, 0xE8, 0x85,
0x25, 0xE7, 0xDE, 0x7F, 0x00, 0xD6, 0xC2, 0xD3
};
static const guint8 VID_MS_VID_INITIAL_CONTACT[]= { /* Microsoft Vid-Initial-Contact */
0x26, 0x24, 0x4d, 0x38, 0xed, 0xdb, 0x61, 0xb3,
0x17, 0x2a, 0x36, 0xe3, 0xd0, 0xcf, 0xb8, 0x19
};
static const guint8 VID_GSS_API_1[]= { /* A GSS-API Authentication Method for IKE */
0xB4, 0x6D, 0x89, 0x14, 0xF3, 0xAA, 0xA3, 0xF2,
0xFE, 0xDE, 0xB7, 0xC7, 0xDB, 0x29, 0x43, 0xCA
};
static const guint8 VID_GSS_API_2[]= { /* A GSS-API Authentication Method for IKE */
0xAD, 0x2C, 0x0D, 0xD0, 0xB9, 0xC3, 0x20, 0x83,
0xCC, 0xBA, 0x25, 0xB8, 0x86, 0x1E, 0xC4, 0x55
};
static const guint8 VID_GSSAPI[]= { /* GSSAPI */
0x62, 0x1B, 0x04, 0xBB, 0x09, 0x88, 0x2A, 0xC1,
0xE1, 0x59, 0x35, 0xFE, 0xFA, 0x24, 0xAE, 0xEE
};
static const guint8 VID_MS_NT5_ISAKMPOAKLEY[]= { /* MS NT5 ISAKMPOAKLEY */
0x1E, 0x2B, 0x51, 0x69, 0x05, 0x99, 0x1C, 0x7D,
0x7C, 0x96, 0xFC, 0xBF, 0xB5, 0x87, 0xE4, 0x61
};
static const guint8 VID_CISCO_UNITY[]= { /* CISCO-UNITY */
0x12, 0xF5, 0xF2, 0x8C, 0x45, 0x71, 0x68, 0xA9,
0x70, 0x2D, 0x9F, 0xE2, 0x74, 0xCC
};
static const guint8 VID_CISCO_CONCENTRATOR[]= { /* CISCO-CONCENTRATOR */
0x1F, 0x07, 0xF7, 0x0E, 0xAA, 0x65, 0x14, 0xD3,
0xB0, 0xFA, 0x96, 0x54, 0x2A, 0x50, 0x01, 0x00
};
static const guint8 VID_CISCO_FRAG[] = { /* Cisco Fragmentation */
0x40, 0x48, 0xB7, 0xD5, 0x6E, 0xBC, 0xE8, 0x85,
0x25, 0xE7, 0xDE, 0x7F, 0x00, 0xD6, 0xC2, 0xD3,
0x80, 0x00, 0x00, 0x00
};
static const guint8 VID_CISCO_FLEXVPN_SUPPORTED[] = { /* "FLEXVPN-SUPPORTED" */
0x46, 0x4c, 0x45, 0x58, 0x56, 0x50, 0x4e, 0x2d,
0x53, 0x55, 0x50, 0x50, 0x4f, 0x52, 0x54, 0x45,
0x44
};
static const guint8 VID_CISCO_DELETE_REASON[] = { /* CISCO-DELETE-REASON */
0x43, 0x49, 0x53, 0x43, 0x4f, 0x2d, 0x44, 0x45,
0x4c, 0x45, 0x54, 0x45, 0x2d, 0x52, 0x45, 0x41,
0x53, 0x4f, 0x4e
};
/* CISCO(COPYRIGHT)&Copyright (c) 2009 Cisco Systems, Inc. */
static const guint8 VID_CISCO_COPYRIGHT[] = { /* Cisco Copyright */
0x43, 0x49, 0x53, 0x43, 0x4f, 0x28, 0x43, 0x4f,
0x50, 0x59, 0x52, 0x49, 0x47, 0x48, 0x54, 0x29,
0x26, 0x43, 0x6f, 0x70, 0x79, 0x72, 0x69, 0x67,
0x68, 0x74, 0x20, 0x28, 0x63, 0x29, 0x20, 0x32,
0x30, 0x30, 0x39, 0x20, 0x43, 0x69, 0x73, 0x63,
0x6f, 0x20, 0x53, 0x79, 0x73, 0x74, 0x65, 0x6d,
0x73, 0x2c, 0x20, 0x49, 0x6e, 0x63, 0x2e
};
static const guint8 VID_CISCO_GRE_MODE[] = { /* CISCO-GRE-MODE */
0x43, 0x49, 0x53, 0x43, 0x4f, 0x2d, 0x47, 0x52,
0x45, 0x2d, 0x4d, 0x4f, 0x44, 0x45
};
static const guint8 VID_CP_01_R65[] = { /* CryptoPro/GOST 0.1 / Check Point R65 */
0xF4, 0xED, 0x19, 0xE0, 0xC1, 0x14, 0xEB, 0x51,
0x6F, 0xAA, 0xAC, 0x0E, 0xE3, 0x7D, 0xAF, 0x28,
0x7, 0xB4, 0x38, 0x1F
};
static const guint8 VID_CP_10_R71[] = { /* CryptoPro/GOST 1.0 / Check Point R71 */
0x03, 0x10, 0x17, 0xE0, 0x7F, 0x7A, 0x82, 0xE3,
0xAA, 0x69, 0x50, 0xC9, 0x99, 0x99, 0x01, 0x00
};
static const guint8 VID_CP_11[] = { /* CryptoPro/GOST 1.1 */
0x03, 0x10, 0x17, 0xE0, 0x7F, 0x7A, 0x82, 0xE3,
0xAA, 0x69, 0x50, 0xC9, 0x99, 0x99, 0x01, 0x01
};
static const guint8 VID_CYBERGUARD[] = { /* CyberGuard */
0x9A, 0xA1, 0xF3, 0xB4, 0x34, 0x72, 0xA4, 0x5D,
0x5F, 0x50, 0x6A, 0xEB, 0x26, 0xC0, 0xF2, 0x14
};
static const guint8 VID_SHREWSOFT[] = { /* Shrew Soft */
0xf1, 0x4b, 0x94, 0xb7, 0xbf, 0xf1, 0xfe, 0xf0,
0x27, 0x73, 0xb8, 0xc4, 0x9f, 0xed, 0xed, 0x26
};
static const guint8 VID_STRONGSWAN[] = { /* strongSwan */
0x88, 0x2f, 0xe5, 0x6d, 0x6f, 0xd2, 0x0d, 0xbc,
0x22, 0x51, 0x61, 0x3b, 0x2e, 0xbe, 0x5b, 0xeb
};
static const guint8 VID_KAME_RACOON[] = { /* KAME/racoon */
0x70, 0x03, 0xcb, 0xc1, 0x09, 0x7d, 0xbe, 0x9c,
0x26, 0x00, 0xba, 0x69, 0x83, 0xbc, 0x8b, 0x35
};
static const guint8 VID_IPSEC_TOOLS[] = { /* IPsec-Tools */
0x20, 0xa3, 0x62, 0x2c, 0x1c, 0xea, 0x7c, 0xe3,
0x7b, 0xee, 0x3c, 0xa4, 0x84, 0x42, 0x52, 0x76
};
static const guint8 VID_NETSCREEN_1[] = { /* Netscreen-1 */
0x29, 0x9e, 0xe8, 0x28, 0x9f, 0x40, 0xa8, 0x97,
0x3b, 0xc7, 0x86, 0x87, 0xe2, 0xe7, 0x22, 0x6b,
0x53, 0x2c, 0x3b, 0x76
};
static const guint8 VID_NETSCREEN_2[] = { /* Netscreen-2 */
0x3a, 0x15, 0xe1, 0xf3, 0xcf, 0x2a, 0x63, 0x58,
0x2e, 0x3a, 0xc8, 0x2d, 0x1c, 0x64, 0xcb, 0xe3,
0xb6, 0xd7, 0x79, 0xe7
};
static const guint8 VID_NETSCREEN_3[] = { /* Netscreen-3 */
0x47, 0xd2, 0xb1, 0x26, 0xbf, 0xcd, 0x83, 0x48,
0x97, 0x60, 0xe2, 0xcf, 0x8c, 0x5d, 0x4d, 0x5a,
0x03, 0x49, 0x7c, 0x15
};
static const guint8 VID_NETSCREEN_4[] = { /* Netscreen-4 */
0x4a, 0x43, 0x40, 0xb5, 0x43, 0xe0, 0x2b, 0x84,
0xc8, 0x8a, 0x8b, 0x96, 0xa8, 0xaf, 0x9e, 0xbe,
0x77, 0xd9, 0xac, 0xcc
};
static const guint8 VID_NETSCREEN_5[] = { /* Netscreen-5 */
0x64, 0x40, 0x5f, 0x46, 0xf0, 0x3b, 0x76, 0x60,
0xa2, 0x3b, 0xe1, 0x16, 0xa1, 0x97, 0x50, 0x58,
0xe6, 0x9e, 0x83, 0x87
};
static const guint8 VID_NETSCREEN_6[] = { /* Netscreen-6 */
0x69, 0x93, 0x69, 0x22, 0x87, 0x41, 0xc6, 0xd4,
0xca, 0x09, 0x4c, 0x93, 0xe2, 0x42, 0xc9, 0xde,
0x19, 0xe7, 0xb7, 0xc6
};
static const guint8 VID_NETSCREEN_7[] = { /* Netscreen-7 */
0x8c, 0x0d, 0xc6, 0xcf, 0x62, 0xa0, 0xef, 0x1b,
0x5c, 0x6e, 0xab, 0xd1, 0xb6, 0x7b, 0xa6, 0x98,
0x66, 0xad, 0xf1, 0x6a
};
static const guint8 VID_NETSCREEN_8[] = { /* Netscreen-8 */
0x92, 0xd2, 0x7a, 0x9e, 0xcb, 0x31, 0xd9, 0x92,
0x46, 0x98, 0x6d, 0x34, 0x53, 0xd0, 0xc3, 0xd5,
0x7a, 0x22, 0x2a, 0x61
};
static const guint8 VID_NETSCREEN_9[] = { /* Netscreen-9 */
0x9b, 0x09, 0x6d, 0x9a, 0xc3, 0x27, 0x5a, 0x7d,
0x6f, 0xe8, 0xb9, 0x1c, 0x58, 0x31, 0x11, 0xb0,
0x9e, 0xfe, 0xd1, 0xa0
};
static const guint8 VID_NETSCREEN_10[] = { /* Netscreen-10 */
0xbf, 0x03, 0x74, 0x61, 0x08, 0xd7, 0x46, 0xc9,
0x04, 0xf1, 0xf3, 0x54, 0x7d, 0xe2, 0x4f, 0x78,
0x47, 0x9f, 0xed, 0x12
};
static const guint8 VID_NETSCREEN_11[] = { /* Netscreen-11 */
0xc2, 0xe8, 0x05, 0x00, 0xf4, 0xcc, 0x5f, 0xbf,
0x5d, 0xaa, 0xee, 0xd3, 0xbb, 0x59, 0xab, 0xae,
0xee, 0x56, 0xc6, 0x52
};
static const guint8 VID_NETSCREEN_12[] = { /* Netscreen-12 */
0xc8, 0x66, 0x0a, 0x62, 0xb0, 0x3b, 0x1b, 0x61,
0x30, 0xbf, 0x78, 0x16, 0x08, 0xd3, 0x2a, 0x6a,
0x8d, 0x0f, 0xb8, 0x9f
};
static const guint8 VID_NETSCREEN_13[] = { /* Netscreen-13 */
0xf8, 0x85, 0xda, 0x40, 0xb1, 0xe7, 0xa9, 0xab,
0xd1, 0x76, 0x55, 0xec, 0x5b, 0xbe, 0xc0, 0xf2,
0x1f, 0x0e, 0xd5, 0x2e
};
static const guint8 VID_NETSCREEN_14[] = { /* Netscreen-14 */
0x2a, 0x2b, 0xca, 0xc1, 0x9b, 0x8e, 0x91, 0xb4,
0x26, 0x10, 0x78, 0x07, 0xe0, 0x2e, 0x72, 0x49,
0x56, 0x9d, 0x6f, 0xd3
};
static const guint8 VID_NETSCREEN_15[] = { /* Netscreen-15 */
0x16, 0x6f, 0x93, 0x2d, 0x55, 0xeb, 0x64, 0xd8,
0xe4, 0xdf, 0x4f, 0xd3, 0x7e, 0x23, 0x13, 0xf0,
0xd0, 0xfd, 0x84, 0x51
};
static const guint8 VID_NETSCREEN_16[] = { /* Netscreen-16 */
0xa3, 0x5b, 0xfd, 0x05, 0xca, 0x1a, 0xc0, 0xb3,
0xd2, 0xf2, 0x4e, 0x9e, 0x82, 0xbf, 0xcb, 0xff,
0x9c, 0x9e, 0x52, 0xb5
};
static const guint8 VID_ZYWALL[] = { /* ZYWALL */
0x62, 0x50, 0x27, 0x74, 0x9d, 0x5a, 0xb9, 0x7f,
0x56, 0x16, 0xc1, 0x60, 0x27, 0x65, 0xcf, 0x48,
0x0a, 0x3b, 0x7d, 0x0b
};
static const guint8 VID_SIDEWINDER[] = { /* SIDEWINDER */
0x84, 0x04, 0xad, 0xf9, 0xcd, 0xa0, 0x57, 0x60,
0xb2, 0xca, 0x29, 0x2e, 0x4b, 0xff, 0x53, 0x7b
};
static const guint8 VID_SONICWALL[] = { /* SonicWALL */
0x40, 0x4B, 0xF4, 0x39, 0x52, 0x2C, 0xA3, 0xF6
};
static const guint8 VID_HEARTBEAT_NOTIFY[] = { /* Heartbeat Notify */
0x48 ,0x65, 0x61, 0x72, 0x74, 0x42, 0x65, 0x61,
0x74, 0x5f, 0x4e, 0x6f, 0x74, 0x69, 0x66, 0x79
};
static const guint8 VID_DWR[] = { /* DWR: Delete with reason */
0x2D, 0x79, 0x22, 0xC6, 0xB3, 0x01, 0xD9, 0xB0,
0xE1, 0x34, 0x27, 0x39, 0xE9, 0xCF, 0xBB, 0xD5
};
static const guint8 VID_ARUBA_RAP[] = { /* Remote AP (Aruba Networks) */
0xca, 0x3e, 0x2b, 0x85, 0x4b, 0xa8, 0x03, 0x00,
0x17, 0xdc, 0x10, 0x23, 0xa4, 0xfd, 0xe2, 0x04,
0x1f, 0x9f, 0x74, 0x63
};
static const guint8 VID_ARUBA_CONTROLLER[] = { /* Controller (Aruba Networks) */
0x3c, 0x8e, 0x70, 0xbd, 0xf9, 0xc7, 0xd7, 0x4a,
0xdd, 0x53, 0xe4, 0x10, 0x09, 0x15, 0xdc, 0x2e,
0x4b, 0xb5, 0x12, 0x74
};
static const guint8 VID_ARUBA_VIA_CLIENT[] = { /* VIA Client (Aruba Networks) */
0x88, 0xf0, 0xe3, 0x14, 0x9b, 0x3f, 0xa4, 0x8b,
0x05, 0xaa, 0x7f, 0x68, 0x5f, 0x0b, 0x76, 0x6b,
0xe1, 0x86, 0xcc, 0xb8
};
static const guint8 VID_ARUBA_VIA_AUTH_PROFILE[] = { /* VIA Auth Profile (Aruba Networks) */
0x56, 0x49, 0x41, 0x20, 0x41, 0x75, 0x74, 0x68,
0x20, 0x50, 0x72, 0x6f, 0x66, 0x69, 0x6c, 0x65,
0x20, 0x3a, 0x20
};
/*
* MS-IKEE Internet Key Exchange Protocol Extensions (v20080212).pdf
* Windows Vista and Windows Server 2008
*/
static const guint8 VID_MS_IKEE_20080212_CGA1[] = { /* IKE CGA Version 1 */
0xe3, 0xa5, 0x96, 0x6a, 0x76, 0x37, 0x9f, 0xe7,
0x07, 0x22, 0x82, 0x31, 0xe5, 0xce, 0x86, 0x52
};
static const guint8 VID_MS_IKEE_20080212_MS_NDC[] = { /* MS-Negotiation Discovery Capable */
0xfb, 0x1d, 0xe3, 0xcd, 0xf3, 0x41, 0xb7, 0xea,
0x16, 0xb7, 0xe5, 0xbe, 0x08, 0x55, 0xf1, 0x20
};
static const guint8 VID_FORTINET_FORTIGATE[] = { /* Fortigate (Fortinet) */
0x82, 0x99, 0x03, 0x17, 0x57, 0xA3, 0x60, 0x82,
0xC6, 0xA6, 0x21, 0xDE
};
static const guint8 VID_FORTINET_FORTICLIENT_CONNECT[] = { /* Forticlient Connect license (Fortinet) */
0x4C, 0x53, 0x42, 0x7B, 0x6D, 0x46, 0x5D, 0x1B,
0x33, 0x7B, 0xB7, 0x55, 0xA3, 0x7A, 0x7F, 0xEF
};
static const guint8 VID_FORTINET_ENDPOINT_CONTROL[] = { /* Endpoint Control (Fortinet) */
0xB4, 0xF0, 0x1C, 0xA9, 0x51, 0xE9, 0xDA, 0x8D,
0x0B, 0xAF, 0xBB, 0xD3, 0x4A, 0xD3, 0x04, 0x4E
};
static const bytes_string vendor_id[] = {
{ VID_SSH_IPSEC_EXPRESS_1_1_0, sizeof(VID_SSH_IPSEC_EXPRESS_1_1_0), "Ssh Communications Security IPSEC Express version 1.1.0" },
{ VID_SSH_IPSEC_EXPRESS_1_1_1, sizeof(VID_SSH_IPSEC_EXPRESS_1_1_1), "Ssh Communications Security IPSEC Express version 1.1.1" },
{ VID_SSH_IPSEC_EXPRESS_1_1_2, sizeof(VID_SSH_IPSEC_EXPRESS_1_1_2), "Ssh Communications Security IPSEC Express version 1.1.2" },
{ VID_SSH_IPSEC_EXPRESS_1_2_1, sizeof(VID_SSH_IPSEC_EXPRESS_1_2_1), "Ssh Communications Security IPSEC Express version 1.2.1" },
{ VID_SSH_IPSEC_EXPRESS_1_2_2, sizeof(VID_SSH_IPSEC_EXPRESS_1_2_2), "Ssh Communications Security IPSEC Express version 1.2.2" },
{ VID_SSH_IPSEC_EXPRESS_2_0_0, sizeof(VID_SSH_IPSEC_EXPRESS_2_0_0), "SSH Communications Security IPSEC Express version 2.0.0" },
{ VID_SSH_IPSEC_EXPRESS_2_1_0, sizeof(VID_SSH_IPSEC_EXPRESS_2_1_0), "SSH Communications Security IPSEC Express version 2.1.0" },
{ VID_SSH_IPSEC_EXPRESS_2_1_1, sizeof(VID_SSH_IPSEC_EXPRESS_2_1_1), "SSH Communications Security IPSEC Express version 2.1.1" },
{ VID_SSH_IPSEC_EXPRESS_2_1_2, sizeof(VID_SSH_IPSEC_EXPRESS_2_1_2), "SSH Communications Security IPSEC Express version 2.1.2" },
{ VID_SSH_IPSEC_EXPRESS_3_0_0, sizeof(VID_SSH_IPSEC_EXPRESS_3_0_0), "SSH Communications Security IPSEC Express version 3.0.0" },
{ VID_SSH_IPSEC_EXPRESS_3_0_1, sizeof(VID_SSH_IPSEC_EXPRESS_3_0_1), "SSH Communications Security IPSEC Express version 3.0.1" },
{ VID_SSH_IPSEC_EXPRESS_4_0_0, sizeof(VID_SSH_IPSEC_EXPRESS_4_0_0), "SSH Communications Security IPSEC Express version 4.0.0" },
{ VID_SSH_IPSEC_EXPRESS_4_0_1, sizeof(VID_SSH_IPSEC_EXPRESS_4_0_1), "SSH Communications Security IPSEC Express version 4.0.1" },
{ VID_SSH_IPSEC_EXPRESS_4_1_0, sizeof(VID_SSH_IPSEC_EXPRESS_4_1_0), "SSH Communications Security IPSEC Express version 4.1.0" },
{ VID_SSH_IPSEC_EXPRESS_4_1_1, sizeof(VID_SSH_IPSEC_EXPRESS_4_1_1), "SSH Communications Security IPSEC Express version 4.1.1" },
{ VID_SSH_IPSEC_EXPRESS_4_2_0, sizeof(VID_SSH_IPSEC_EXPRESS_4_2_0), "SSH Communications Security IPSEC Express version 4.2.0" },
{ VID_SSH_IPSEC_EXPRESS_5_0, sizeof(VID_SSH_IPSEC_EXPRESS_5_0), "SSH Communications Security IPSEC Express version 5.0" },
{ VID_SSH_IPSEC_EXPRESS_5_0_0, sizeof(VID_SSH_IPSEC_EXPRESS_5_0_0), "SSH Communications Security IPSEC Express version 5.0.0" },
{ VID_SSH_IPSEC_EXPRESS_5_1_0, sizeof(VID_SSH_IPSEC_EXPRESS_5_1_0), "SSH Communications Security IPSEC Express version 5.1.0" },
{ VID_SSH_IPSEC_EXPRESS_5_1_1, sizeof(VID_SSH_IPSEC_EXPRESS_5_1_1), "SSH Communications Security IPSEC Express version 5.1.1" },
{ VID_SSH_SENTINEL, sizeof(VID_SSH_SENTINEL), "SSH Sentinel" },
{ VID_SSH_SENTINEL_1_1, sizeof(VID_SSH_SENTINEL_1_1), "SSH Sentinel 1.1" },
{ VID_SSH_SENTINEL_1_2, sizeof(VID_SSH_SENTINEL_1_2), "SSH Sentinel 1.2" },
{ VID_SSH_SENTINEL_1_3, sizeof(VID_SSH_SENTINEL_1_3), "SSH Sentinel 1.3" },
{ VID_SSH_SENTINEL_1_4, sizeof(VID_SSH_SENTINEL_1_4), "SSH Sentinel 1.4" },
{ VID_SSH_SENTINEL_1_4_1, sizeof(VID_SSH_SENTINEL_1_4_1), "SSH Sentinel 1.4.1" },
{ VID_SSH_QUICKSEC_0_9_0, sizeof(VID_SSH_QUICKSEC_0_9_0), "SSH Communications Security QuickSec 0.9.0" },
{ VID_SSH_QUICKSEC_1_1_0, sizeof(VID_SSH_QUICKSEC_1_1_0), "SSH Communications Security QuickSec 1.1.0" },
{ VID_SSH_QUICKSEC_1_1_1, sizeof(VID_SSH_QUICKSEC_1_1_1), "SSH Communications Security QuickSec 1.1.1" },
{ VID_SSH_QUICKSEC_1_1_2, sizeof(VID_SSH_QUICKSEC_1_1_2), "SSH Communications Security QuickSec 1.1.2" },
{ VID_SSH_QUICKSEC_1_1_3, sizeof(VID_SSH_QUICKSEC_1_1_3), "SSH Communications Security QuickSec 1.1.3" },
{ VID_draft_huttunen_ipsec_esp_in_udp_00, sizeof(VID_draft_huttunen_ipsec_esp_in_udp_00), "draft-huttunen-ipsec-esp-in-udp-00.txt" },
{ VID_draft_huttunen_ipsec_esp_in_udp_01, sizeof(VID_draft_huttunen_ipsec_esp_in_udp_01), "draft-huttunen-ipsec-esp-in-udp-01.txt (ESPThruNAT)" },
{ VID_draft_stenberg_ipsec_nat_traversal_01, sizeof(VID_draft_stenberg_ipsec_nat_traversal_01), "draft-stenberg-ipsec-nat-traversal-01" },
{ VID_draft_stenberg_ipsec_nat_traversal_02, sizeof(VID_draft_stenberg_ipsec_nat_traversal_02), "draft-stenberg-ipsec-nat-traversal-02" },
{ VID_draft_ietf_ipsec_nat_t_ike, sizeof(VID_draft_ietf_ipsec_nat_t_ike), "draft-ietf-ipsec-nat-t-ike" },
{ VID_draft_ietf_ipsec_nat_t_ike_00, sizeof(VID_draft_ietf_ipsec_nat_t_ike_00), "draft-ietf-ipsec-nat-t-ike-00" },
{ VID_draft_ietf_ipsec_nat_t_ike_01, sizeof(VID_draft_ietf_ipsec_nat_t_ike_01), "draft-ietf-ipsec-nat-t-ike-01" },
{ VID_draft_ietf_ipsec_nat_t_ike_02, sizeof(VID_draft_ietf_ipsec_nat_t_ike_02), "draft-ietf-ipsec-nat-t-ike-02" },
{ VID_draft_ietf_ipsec_nat_t_ike_02n, sizeof(VID_draft_ietf_ipsec_nat_t_ike_02n), "draft-ietf-ipsec-nat-t-ike-02\\n" },
{ VID_draft_ietf_ipsec_nat_t_ike_03, sizeof(VID_draft_ietf_ipsec_nat_t_ike_03), "draft-ietf-ipsec-nat-t-ike-03" },
{ VID_draft_ietf_ipsec_nat_t_ike_04, sizeof(VID_draft_ietf_ipsec_nat_t_ike_04), "draft-ietf-ipsec-nat-t-ike-04" },
{ VID_draft_ietf_ipsec_nat_t_ike_05, sizeof(VID_draft_ietf_ipsec_nat_t_ike_05), "draft-ietf-ipsec-nat-t-ike-05" },
{ VID_draft_ietf_ipsec_nat_t_ike_06, sizeof(VID_draft_ietf_ipsec_nat_t_ike_06), "draft-ietf-ipsec-nat-t-ike-06" },
{ VID_draft_ietf_ipsec_nat_t_ike_07, sizeof(VID_draft_ietf_ipsec_nat_t_ike_07), "draft-ietf-ipsec-nat-t-ike-07" },
{ VID_draft_ietf_ipsec_nat_t_ike_08, sizeof(VID_draft_ietf_ipsec_nat_t_ike_08), "draft-ietf-ipsec-nat-t-ike-08" },
{ VID_draft_ietf_ipsec_nat_t_ike_09, sizeof(VID_draft_ietf_ipsec_nat_t_ike_09), "draft-ietf-ipsec-nat-t-ike-09" },
{ VID_testing_nat_t_rfc, sizeof(VID_testing_nat_t_rfc), "Testing NAT-T RFC" },
{ VID_rfc3947_nat_t, sizeof(VID_rfc3947_nat_t), "RFC 3947 Negotiation of NAT-Traversal in the IKE" },
{ VID_draft_beaulieu_ike_xauth_02, sizeof(VID_draft_beaulieu_ike_xauth_02), "draft-beaulieu-ike-xauth-02.txt" },
{ VID_xauth, sizeof(VID_xauth), "XAUTH" },
{ VID_rfc3706_dpd, sizeof(VID_rfc3706_dpd), "RFC 3706 DPD (Dead Peer Detection)" },
{ VID_draft_ietf_ipsec_antireplay_00, sizeof(VID_draft_ietf_ipsec_antireplay_00), "draft-ietf-ipsec-antireplay-00.txt" },
{ VID_draft_ietf_ipsec_heartbeats_00, sizeof(VID_draft_ietf_ipsec_heartbeats_00), "draft-ietf-ipsec-heartbeats-00.txt" },
{ VID_IKE_CHALLENGE_RESPONSE_1, sizeof(VID_IKE_CHALLENGE_RESPONSE_1), "IKE Challenge/Response for Authenticated Cryptographic Keys" },
{ VID_IKE_CHALLENGE_RESPONSE_2, sizeof(VID_IKE_CHALLENGE_RESPONSE_2), "IKE Challenge/Response for Authenticated Cryptographic Keys" },
{ VID_IKE_CHALLENGE_RESPONSE_REV_1, sizeof(VID_IKE_CHALLENGE_RESPONSE_REV_1), "IKE Challenge/Response for Authenticated Cryptographic Keys (Revised)" },
{ VID_IKE_CHALLENGE_RESPONSE_REV_2, sizeof(VID_IKE_CHALLENGE_RESPONSE_REV_2), "IKE Challenge/Response for Authenticated Cryptographic Keys (Revised)" },
{ VID_CISCO_FRAG2, sizeof(VID_CISCO_FRAG2), "Cisco Fragmentation" },
{ VID_CISCO_FLEXVPN_SUPPORTED, sizeof(VID_CISCO_FLEXVPN_SUPPORTED), "Cisco FlexVPN Supported" },
{ VID_CISCO_DELETE_REASON, sizeof(VID_CISCO_DELETE_REASON), "Cisco Delete Reason Supported"},
{ VID_CISCO_COPYRIGHT, sizeof(VID_CISCO_COPYRIGHT), "Cisco Copyright"},
{ VID_CISCO_GRE_MODE, sizeof(VID_CISCO_GRE_MODE), "Cisco GRE Mode Supported"},
{ VID_MS_VID_INITIAL_CONTACT, sizeof(VID_MS_VID_INITIAL_CONTACT), "Microsoft Vid-Initial-Contact" },
{ VID_GSS_API_1, sizeof(VID_GSS_API_1), "A GSS-API Authentication Method for IKE" },
{ VID_GSS_API_2, sizeof(VID_GSS_API_2), "A GSS-API Authentication Method for IKE" },
{ VID_GSSAPI, sizeof(VID_GSSAPI), "GSSAPI" },
{ VID_MS_NT5_ISAKMPOAKLEY, sizeof(VID_MS_NT5_ISAKMPOAKLEY), "MS NT5 ISAKMPOAKLEY" },
{ VID_CISCO_UNITY, sizeof(VID_CISCO_UNITY), "CISCO-UNITY" },
{ VID_CISCO_CONCENTRATOR, sizeof(VID_CISCO_CONCENTRATOR), "CISCO-CONCENTRATOR" },
{ VID_CISCO_FRAG, sizeof(VID_CISCO_FRAG), "Cisco Fragmentation" },
{ VID_CP_01_R65, sizeof(VID_CP_01_R65), "CryptoPro/GOST 0.1 / Check Point R65" },
{ VID_CP_10_R71, sizeof(VID_CP_10_R71), "CryptoPro/GOST 1.0 / Check Point R71" },
{ VID_CP_11, sizeof(VID_CP_11), "CryptoPro/GOST 1.1" },
{ VID_CYBERGUARD, sizeof(VID_CYBERGUARD), "CyberGuard" },
{ VID_SHREWSOFT, sizeof(VID_SHREWSOFT), "Shrew Soft" },
{ VID_STRONGSWAN, sizeof(VID_STRONGSWAN), "strongSwan" },
{ VID_KAME_RACOON, sizeof(VID_KAME_RACOON), "KAME/racoon" },
{ VID_IPSEC_TOOLS, sizeof(VID_IPSEC_TOOLS), "IPSec-Tools" },
{ VID_NETSCREEN_1, sizeof(VID_NETSCREEN_1), "Netscreen-1" },
{ VID_NETSCREEN_2, sizeof(VID_NETSCREEN_2), "Netscreen-2" },
{ VID_NETSCREEN_3, sizeof(VID_NETSCREEN_3), "Netscreen-3" },
{ VID_NETSCREEN_4, sizeof(VID_NETSCREEN_4), "Netscreen-4" },
{ VID_NETSCREEN_5, sizeof(VID_NETSCREEN_5), "Netscreen-5" },
{ VID_NETSCREEN_6, sizeof(VID_NETSCREEN_6), "Netscreen-6" },
{ VID_NETSCREEN_7, sizeof(VID_NETSCREEN_7), "Netscreen-7" },
{ VID_NETSCREEN_8, sizeof(VID_NETSCREEN_8), "Netscreen-8" },
{ VID_NETSCREEN_9, sizeof(VID_NETSCREEN_9), "Netscreen-9" },
{ VID_NETSCREEN_10, sizeof(VID_NETSCREEN_10), "Netscreen-10" },
{ VID_NETSCREEN_11, sizeof(VID_NETSCREEN_11), "Netscreen-11" },
{ VID_NETSCREEN_12, sizeof(VID_NETSCREEN_12), "Netscreen-12" },
{ VID_NETSCREEN_13, sizeof(VID_NETSCREEN_13), "Netscreen-13" },
{ VID_NETSCREEN_14, sizeof(VID_NETSCREEN_14), "Netscreen-14" },
{ VID_NETSCREEN_15, sizeof(VID_NETSCREEN_15), "Netscreen-15" },
{ VID_NETSCREEN_16, sizeof(VID_NETSCREEN_16), "Netscreen-16" },
{ VID_ZYWALL, sizeof(VID_ZYWALL), "ZYWALL" },
{ VID_SIDEWINDER, sizeof(VID_SIDEWINDER), "SIDEWINDER" },
{ VID_SONICWALL, sizeof(VID_SONICWALL), "SonicWALL" },
{ VID_HEARTBEAT_NOTIFY, sizeof(VID_HEARTBEAT_NOTIFY), "Heartbeat Notify" },
{ VID_DWR, sizeof(VID_DWR), "DWR: Delete with reason" },
{ VID_ARUBA_RAP, sizeof(VID_ARUBA_RAP), "Remote AP (Aruba Networks)" },
{ VID_ARUBA_CONTROLLER, sizeof(VID_ARUBA_CONTROLLER), "Controller (Aruba Networks)" },
{ VID_ARUBA_VIA_CLIENT, sizeof(VID_ARUBA_VIA_CLIENT), "VIA Client (Aruba Networks)" },
{ VID_ARUBA_VIA_AUTH_PROFILE, sizeof(VID_ARUBA_VIA_AUTH_PROFILE), "VIA Auth Profile (Aruba Networks)" },
{ VID_MS_IKEE_20080212_CGA1, sizeof(VID_MS_IKEE_20080212_CGA1), "IKE CGA Version 1" },
{ VID_MS_IKEE_20080212_MS_NDC, sizeof(VID_MS_IKEE_20080212_MS_NDC), "MS-Negotiation Discovery Capable" },
{ VID_FORTINET_FORTIGATE, sizeof(VID_FORTINET_FORTIGATE), "Fortigate (Fortinet)" },
{ VID_FORTINET_FORTICLIENT_CONNECT, sizeof(VID_FORTINET_FORTICLIENT_CONNECT), "Forticlient connect license (Fortinet)" },
{ VID_FORTINET_ENDPOINT_CONTROL, sizeof(VID_FORTINET_ENDPOINT_CONTROL), "Endpoint Control (Fortinet)" },
{ 0, 0, NULL }
};
static void
dissect_payloads(tvbuff_t *tvb, proto_tree *tree,
int isakmp_version, guint8 initial_payload, int offset, int length,
packet_info *pinfo, guint32 message_id, gboolean is_request, void* decr_data)
{
guint8 payload, next_payload;
guint16 payload_length;
proto_tree * ntree;
for (payload = initial_payload; length > 0; payload = next_payload) {
if (payload == PLOAD_IKE_NONE) {
/*
* What? There's more stuff in this chunk of data, but the
* previous payload had a "next payload" type of None?
*/
proto_tree_add_item(tree, hf_isakmp_extradata, tvb, offset, length, ENC_NA);
break;
}
ntree = dissect_payload_header(tvb, pinfo, offset, length, isakmp_version, payload, &next_payload, &payload_length, tree);
if (payload_length >= 4) { /* XXX = > 4? */
tvb_ensure_bytes_exist(tvb, offset + 4, payload_length - 4);
switch(payload){
case PLOAD_IKE_SA:
case PLOAD_IKE2_SA:
dissect_sa(tvb, offset + 4, payload_length - 4, ntree, isakmp_version, pinfo, is_request, decr_data);
break;
case PLOAD_IKE_P:
dissect_proposal(tvb, pinfo, offset + 4, payload_length - 4, ntree, isakmp_version, decr_data );
break;
case PLOAD_IKE_KE:
case PLOAD_IKE2_KE:
dissect_key_exch(tvb, offset + 4, payload_length - 4, ntree, isakmp_version, pinfo, decr_data );
break;
case PLOAD_IKE_ID:
case PLOAD_IKE2_IDI:
case PLOAD_IKE2_IDR:
dissect_id(tvb, offset + 4, payload_length - 4, ntree, isakmp_version, pinfo );
break;
case PLOAD_IKE_CERT:
case PLOAD_IKE2_CERT:
dissect_cert(tvb, offset + 4, payload_length - 4, ntree, isakmp_version, pinfo );
break;
case PLOAD_IKE_CR:
case PLOAD_IKE2_CERTREQ:
dissect_certreq(tvb, offset + 4, payload_length - 4, ntree, isakmp_version, pinfo );
break;
case PLOAD_IKE_HASH:
dissect_hash(tvb, offset + 4, payload_length - 4, ntree);
break;
case PLOAD_IKE_SIG:
dissect_sig(tvb, offset + 4, payload_length - 4, ntree);
break;
case PLOAD_IKE_NONCE:
case PLOAD_IKE2_NONCE:
dissect_nonce(tvb, offset + 4, payload_length - 4, ntree);
break;
case PLOAD_IKE_N:
case PLOAD_IKE2_N:
dissect_notif(tvb, pinfo, offset + 4, payload_length - 4, ntree, isakmp_version);
break;
case PLOAD_IKE_D:
case PLOAD_IKE2_D:
dissect_delete(tvb, offset + 4, payload_length - 4, ntree, isakmp_version);
break;
case PLOAD_IKE_VID:
case PLOAD_IKE2_V:
dissect_vid(tvb, offset + 4, payload_length - 4, ntree);
break;
case PLOAD_IKE_A:
case PLOAD_IKE2_CP:
dissect_config(tvb, pinfo, offset + 4, payload_length - 4, ntree, isakmp_version, is_request);
break;
case PLOAD_IKE_SAK:
dissect_sa_kek(tvb, pinfo, offset + 4, payload_length - 4, ntree);
break;
case PLOAD_IKE_SAT:
dissect_sa_tek(tvb, pinfo, offset + 4, payload_length - 4, ntree);
break;
case PLOAD_IKE_KD:
dissect_key_download(tvb, pinfo, offset + 4, payload_length - 4, ntree, isakmp_version);
break;
case PLOAD_IKE_SEQ:
dissect_sequence(tvb, pinfo, offset + 4, payload_length - 4, ntree);
break;
case PLOAD_IKE2_AUTH:
dissect_auth(tvb, pinfo, offset + 4, payload_length - 4, ntree);
break;
case PLOAD_IKE2_TSI:
case PLOAD_IKE2_TSR:
dissect_ts_payload(tvb, offset + 4, payload_length - 4, ntree);
break;
case PLOAD_IKE2_SK:
if(isakmp_version == 2)
dissect_enc(tvb, offset + 4, payload_length - 4, ntree, pinfo, next_payload, is_request, decr_data, TRUE);
break;
case PLOAD_IKE2_EAP:
dissect_eap(tvb, offset + 4, payload_length - 4, ntree, pinfo );
break;
case PLOAD_IKE2_GSPM:
dissect_gspm(tvb, offset + 4, payload_length - 4, ntree);
break;
case PLOAD_IKE_NAT_D:
case PLOAD_IKE_NAT_D13:
dissect_nat_discovery(tvb, offset + 4, payload_length - 4, ntree );
break;
case PLOAD_IKE_NAT_OA:
case PLOAD_IKE_NAT_OA14:
dissect_nat_original_address(tvb, offset + 4, payload_length - 4, ntree, isakmp_version );
break;
case PLOAD_IKE_CISCO_FRAG:
dissect_cisco_fragmentation(tvb, offset + 4, payload_length - 4, ntree, pinfo );
break;
case PLOAD_IKE2_SKF:
if (isakmp_version == 2) {
/* N.B. not passing in length as must be the last payload in the message */
dissect_ikev2_fragmentation(tvb, offset + 4, ntree, pinfo, message_id, next_payload, is_request, decr_data );
}
break;
default:
proto_tree_add_item(ntree, hf_isakmp_datapayload, tvb, offset + 4, payload_length-4, ENC_NA);
break;
}
}
else if (payload_length > length) {
proto_tree_add_expert_format(ntree, pinfo, &ei_isakmp_payload_bad_length, tvb, 0, 0,
"Payload (bogus, length is %u, greater than remaining length %d",
payload_length, length);
return;
}
else {
proto_tree_add_expert_format(ntree, pinfo, &ei_isakmp_payload_bad_length, tvb, 0, 0,
"Payload (bogus, length is %u, must be at least 4)",
payload_length);
payload_length = 4;
}
offset += payload_length;
length -= payload_length;
}
}
void
isakmp_dissect_payloads(tvbuff_t *tvb, proto_tree *tree, int isakmp_version,
guint8 initial_payload, int offset, int length,
packet_info *pinfo)
{
dissect_payloads(tvb, tree, isakmp_version, initial_payload, offset, length,
pinfo, 0, FALSE, NULL);
}
static int
dissect_isakmp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
{
int offset = 0, len;
isakmp_hdr_t hdr;
proto_item *ti, *vers_item;
proto_tree *isakmp_tree = NULL, *vers_tree;
int isakmp_version;
void* decr_data = NULL;
guint8 flags;
guint8 i_cookie[COOKIE_SIZE], *ic_key;
decrypt_data_t *decr = NULL;
tvbuff_t *decr_tvb;
proto_tree *decr_tree;
address null_addr;
col_set_str(pinfo->cinfo, COL_PROTOCOL, "ISAKMP");
col_clear(pinfo->cinfo, COL_INFO);
/* Some simple heuristics to catch non-isakmp packets */
if (tvb_reported_length(tvb)== 1 && tvb_get_guint8(tvb, offset) !=0xff)
return 0;
else if (tvb_reported_length(tvb) < ISAKMP_HDR_SIZE)
return 0;
else if (tvb_get_ntohl(tvb, ISAKMP_HDR_SIZE-4) < ISAKMP_HDR_SIZE)
return 0;
ti = proto_tree_add_item(tree, proto_isakmp, tvb, offset, -1, ENC_NA);
isakmp_tree = proto_item_add_subtree(ti, ett_isakmp);
/* RFC3948 2.3 NAT Keepalive packet:
* 1 byte payload with the value 0xff.
*/
if ( (tvb_reported_length(tvb)== 1) && (tvb_get_guint8(tvb, offset) == 0xff) ){
col_set_str(pinfo->cinfo, COL_INFO, "NAT Keepalive");
proto_tree_add_item(isakmp_tree, hf_isakmp_nat_keepalive, tvb, offset, 1, ENC_NA);
return 1;
}
hdr.length = tvb_get_ntohl(tvb, offset + ISAKMP_HDR_SIZE - 4);
hdr.exch_type = tvb_get_guint8(tvb, COOKIE_SIZE + COOKIE_SIZE + 1 + 1);
hdr.version = tvb_get_guint8(tvb, COOKIE_SIZE + COOKIE_SIZE + 1);
isakmp_version = hi_nibble(hdr.version); /* save the version */
hdr.flags = tvb_get_guint8(tvb, COOKIE_SIZE + COOKIE_SIZE + 1 + 1 + 1);
if (isakmp_version == 1) {
clear_address(&null_addr);
tvb_memcpy(tvb, i_cookie, offset, COOKIE_SIZE);
decr = (decrypt_data_t*) g_hash_table_lookup(isakmp_hash, i_cookie);
if (! decr) {
ic_key = (guint8 *)g_slice_alloc(COOKIE_SIZE);
memcpy(ic_key, i_cookie, COOKIE_SIZE);
decr = create_decrypt_data();
g_hash_table_insert(isakmp_hash, ic_key, decr);
}
if (addresses_equal(&decr->initiator, &null_addr)) {
/* XXX - We assume that we're seeing the second packet in an exchange here.
* Is there a way to verify this? */
copy_address_wmem(wmem_file_scope(), &decr->initiator, &pinfo->src);
}
decr_data = decr;
} else if (isakmp_version == 2) {
ikev2_uat_data_key_t hash_key;
ikev2_uat_data_t *ike_sa_data;
ikev2_decrypt_data_t *ikev2_dec_data;
guchar spii[COOKIE_SIZE], spir[COOKIE_SIZE];
tvb_memcpy(tvb, spii, offset, COOKIE_SIZE);
tvb_memcpy(tvb, spir, offset + COOKIE_SIZE, COOKIE_SIZE);
hash_key.spii = spii;
hash_key.spir = spir;
hash_key.spii_len = COOKIE_SIZE;
hash_key.spir_len = COOKIE_SIZE;
ike_sa_data = (ikev2_uat_data_t *)g_hash_table_lookup(ikev2_key_hash, &hash_key);
if (ike_sa_data) {
guint8 initiator_flag;
initiator_flag = hdr.flags & I_FLAG;
ikev2_dec_data = wmem_new(pinfo->pool, ikev2_decrypt_data_t);
ikev2_dec_data->encr_key = initiator_flag ? ike_sa_data->sk_ei : ike_sa_data->sk_er;
ikev2_dec_data->auth_key = initiator_flag ? ike_sa_data->sk_ai : ike_sa_data->sk_ar;
ikev2_dec_data->encr_spec = ike_sa_data->encr_spec;
ikev2_dec_data->auth_spec = ike_sa_data->auth_spec;
decr_data = ikev2_dec_data;
}
}
{
proto_tree_add_item(isakmp_tree, hf_isakmp_ispi, tvb, offset, COOKIE_SIZE, ENC_NA);
offset += COOKIE_SIZE;
proto_tree_add_item(isakmp_tree, hf_isakmp_rspi, tvb, offset, COOKIE_SIZE, ENC_NA);
offset += COOKIE_SIZE;
hdr.next_payload = tvb_get_guint8(tvb, offset);
proto_tree_add_item(isakmp_tree, hf_isakmp_nextpayload, tvb, offset, 1, ENC_BIG_ENDIAN);
offset += 1;
vers_item = proto_tree_add_uint_format_value(isakmp_tree, hf_isakmp_version, tvb, offset,
1, hdr.version, "%u.%u",
hi_nibble(hdr.version), lo_nibble(hdr.version));
vers_tree = proto_item_add_subtree(vers_item, ett_isakmp_version);
proto_tree_add_item(vers_tree, hf_isakmp_mjver, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(vers_tree, hf_isakmp_mnver, tvb, offset, 1, ENC_BIG_ENDIAN);
offset += 1;
if(isakmp_version == 1) {
proto_tree_add_item(isakmp_tree, hf_isakmp_exchangetype_v1, tvb, offset, 1, ENC_BIG_ENDIAN);
col_add_str(pinfo->cinfo, COL_INFO,val_to_str(hdr.exch_type, exchange_v1_type, "Unknown %d"));
} else if (isakmp_version == 2){
proto_tree_add_item(isakmp_tree, hf_isakmp_exchangetype_v2, tvb, offset, 1, ENC_BIG_ENDIAN);
col_add_str(pinfo->cinfo, COL_INFO,val_to_str(hdr.exch_type, exchange_v2_type, "Unknown %d"));
}
offset += 1;
{
proto_item * fti;
proto_tree * ftree;
fti = proto_tree_add_item(isakmp_tree, hf_isakmp_flags, tvb, offset, 1, ENC_BIG_ENDIAN);
ftree = proto_item_add_subtree(fti, ett_isakmp_flags);
flags = tvb_get_guint8(tvb, offset);
if (isakmp_version == 1) {
proto_tree_add_item(ftree, hf_isakmp_flag_e, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(ftree, hf_isakmp_flag_c, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(ftree, hf_isakmp_flag_a, tvb, offset, 1, ENC_BIG_ENDIAN);
} else if (isakmp_version == 2) {
proto_tree_add_item(ftree, hf_isakmp_flag_i, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(ftree, hf_isakmp_flag_v, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(ftree, hf_isakmp_flag_r, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_item_append_text(fti, " (%s, %s, %s)",
tfs_get_string(flags & I_FLAG, &flag_i),
tfs_get_string(flags & V_FLAG, &flag_v),
tfs_get_string(flags & R_FLAG, &tfs_response_request));
}
offset += 1;
}
hdr.message_id = tvb_get_ntohl(tvb, offset);
proto_tree_add_item(isakmp_tree, hf_isakmp_messageid, tvb, offset, 4, ENC_BIG_ENDIAN);
offset += 4;
/* Add some summary to the Info column */
if (isakmp_version == 2) {
col_append_fstr(pinfo->cinfo, COL_INFO, " MID=%02u %s %s",
hdr.message_id,
tfs_get_string(flags & I_FLAG, &flag_i),
tfs_get_string(flags & R_FLAG, &tfs_response_request));
}
if (hdr.length < ISAKMP_HDR_SIZE) {
proto_tree_add_uint_format_value(isakmp_tree, hf_isakmp_length, tvb, offset, 4,
hdr.length, "(bogus, length is %u, should be at least %lu)",
hdr.length, (unsigned long)ISAKMP_HDR_SIZE);
return tvb_captured_length(tvb);
}
len = hdr.length - ISAKMP_HDR_SIZE;
if (len < 0) {
proto_tree_add_uint_format_value(isakmp_tree, hf_isakmp_length, tvb, offset, 4,
hdr.length, "(bogus, length is %u, which is too large)",
hdr.length);
return tvb_captured_length(tvb);
}
tvb_ensure_bytes_exist(tvb, offset, len);
proto_tree_add_item(isakmp_tree, hf_isakmp_length, tvb, offset, 4, ENC_BIG_ENDIAN);
offset += 4;
if (isakmp_version == 1 && (hdr.flags & E_FLAG)) {
/* Encrypted flag set (v1 only), so decrypt before dissecting payloads */
if (len) {
ti = proto_tree_add_item(isakmp_tree, hf_isakmp_enc_data, tvb, offset, len, ENC_NA);
proto_item_append_text(ti, " (%d byte%s)", len, plurality(len, "", "s"));
/* Collect initialization vectors during first pass. */
if (!PINFO_FD_VISITED(pinfo))
if (prepare_decrypt(decr))
update_ivs(pinfo, tvb_get_ptr(tvb, offset, len), len, hdr.message_id, decr);
decr_tvb = decrypt_payload(tvb, pinfo, tvb_get_ptr(tvb, offset, len), len, decr);
if (decr_tvb) {
decr_tree = proto_item_add_subtree(ti, ett_isakmp);
dissect_payloads(decr_tvb, decr_tree, isakmp_version,
hdr.next_payload, 0, tvb_reported_length(decr_tvb), pinfo, hdr.message_id, !(flags & R_FLAG), decr_data);
}
}
} else {
dissect_payloads(tvb, isakmp_tree, isakmp_version, hdr.next_payload,
offset, len, pinfo, hdr.message_id, !(flags & R_FLAG), decr_data);
}
}
return tvb_captured_length(tvb);
}
static proto_tree *
dissect_payload_header(tvbuff_t *tvb, packet_info *pinfo, int offset, int length,
int isakmp_version, guint8 payload, guint8 *next_payload_p,
guint16 *payload_length_p, proto_tree *tree)
{
guint8 next_payload;
guint16 payload_length;
proto_item * ti;
proto_tree * ntree;
if (length < 4) {
proto_tree_add_expert_format(tree, pinfo, &ei_isakmp_payload_bad_length, tvb, offset, length,
"Not enough room in payload for all transforms");
*next_payload_p = 0;
*payload_length_p = 0;
return NULL;
}
next_payload = tvb_get_guint8(tvb, offset);
payload_length = tvb_get_ntohs(tvb, offset + 2);
ti = proto_tree_add_uint(tree, hf_isakmp_typepayload, tvb, offset, payload_length, payload);
ntree = proto_item_add_subtree(ti, ett_isakmp_payload);
proto_tree_add_item(ntree, hf_isakmp_nextpayload, tvb, offset, 1, ENC_BIG_ENDIAN);
/* The critical flag only applies to IKEv2 payloads but not proposals and transforms. */
if (isakmp_version == 1 || payload == PLOAD_IKE_P || payload == PLOAD_IKE_T) {
proto_tree_add_item(ntree, hf_isakmp_reserved, tvb, offset + 1, 1, ENC_NA);
} else if (isakmp_version == 2) {
proto_tree_add_item(ntree, hf_isakmp_criticalpayload, tvb, offset+1, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(ntree, hf_isakmp_reserved7, tvb, offset + 1, 1, ENC_BIG_ENDIAN);
}
proto_tree_add_item(ntree, hf_isakmp_payloadlen, tvb, offset + 2, 2, ENC_BIG_ENDIAN);
*next_payload_p = next_payload;
*payload_length_p = payload_length;
return ntree;
}
static void
dissect_sa(tvbuff_t *tvb, int offset, int length, proto_tree *tree, int isakmp_version, packet_info *pinfo, gboolean is_request, void* decr_data)
{
guint32 doi;
guint16 saattr;
proto_item *sti;
proto_tree *stree;
proto_tree *currtree;
/* make a copy of current tree working position which we will use while dissecting other payloads*/
currtree = tree;
if (isakmp_version == 1) {
doi = tvb_get_ntohl(tvb, offset);
proto_tree_add_item(tree, hf_isakmp_sa_doi, tvb, offset, 4, ENC_BIG_ENDIAN);
offset += 4;
length -= 4;
switch(doi) {
case 1: {
/* IPSEC */
if (length < 4) {
proto_tree_add_bytes_format_value(tree, hf_isakmp_sa_situation, tvb, offset, length,
NULL,
"%s (length is %u, should be >= 4)",
tvb_bytes_to_str(pinfo->pool, tvb, offset, length), length);
return;
}
sti = proto_tree_add_item(tree, hf_isakmp_sa_situation, tvb, offset, 4, ENC_NA);
stree = proto_item_add_subtree(sti, ett_isakmp_sa);
proto_tree_add_item(stree, hf_isakmp_sa_situation_identity_only, tvb, offset, 4, ENC_BIG_ENDIAN);
proto_tree_add_item(stree, hf_isakmp_sa_situation_secrecy, tvb, offset, 4, ENC_BIG_ENDIAN);
proto_tree_add_item(stree, hf_isakmp_sa_situation_integrity, tvb, offset, 4, ENC_BIG_ENDIAN);
offset += 4;
length -= 4;
dissect_payloads(tvb, tree, isakmp_version, PLOAD_IKE_P, offset,
length, pinfo, 0, is_request, decr_data);
break;
}
case 2: {
/* add GDOI specific changes here for RFC 6407*/
if (length < 8) { /* situation + next payload + reserved2*/
proto_tree_add_bytes_format_value(tree, hf_isakmp_sa_situation, tvb, offset, length,
NULL,
"%s (length is %u, should be >= 8)",
tvb_bytes_to_str(pinfo->pool, tvb, offset, length), length);
return;
}
proto_tree_add_item(tree, hf_isakmp_sa_situation, tvb, offset, 4, ENC_NA); /* must be always 0 as per RFC 6407 no further decoding required*/
saattr = tvb_get_ntohs(tvb, offset+4);
proto_tree_add_item(tree, hf_isakmp_sa_attribute_next_payload, tvb, offset+4, 2, ENC_NA);
proto_tree_add_item(tree, hf_isakmp_reserved2 , tvb, offset+6, 2, ENC_NA);
offset += 8;
length -= 8;
/* possible attribute values here 15(SAK),16(SAT),18(GAP)*/
switch(saattr) {
case PLOAD_IKE_SAK:
dissect_sa_kek(tvb, pinfo, offset, length, currtree );
break;
case PLOAD_IKE_SAT:
dissect_sa_tek(tvb, pinfo, offset, length, currtree);
break;
}
break;
}
default:
proto_tree_add_item(tree, hf_isakmp_sa_situation, tvb, offset, length, ENC_NA);
break;
}
} else if (isakmp_version == 2) {
dissect_payloads(tvb, tree, isakmp_version, PLOAD_IKE_P, offset,
length, pinfo, 0, is_request, decr_data);
}
}
static void
dissect_proposal(tvbuff_t *tvb, packet_info *pinfo, int offset, int length, proto_tree *tree, int isakmp_version, void* decr_data)
{
guint8 protocol_id;
guint8 spi_size;
guint8 num_transforms;
guint8 next_payload;
guint16 payload_length;
proto_tree * ntree;
guint8 proposal_num;
proposal_num = tvb_get_guint8(tvb, offset);
proto_item_append_text(tree, " # %d", proposal_num);
proto_tree_add_item(tree, hf_isakmp_prop_number, tvb, offset, 1, ENC_BIG_ENDIAN);
offset += 1;
length -= 1;
protocol_id = tvb_get_guint8(tvb, offset);
if (isakmp_version == 1)
{
proto_tree_add_item(tree, hf_isakmp_prop_protoid_v1, tvb, offset, 1, ENC_BIG_ENDIAN);
}else if (isakmp_version == 2)
{
proto_tree_add_item(tree, hf_isakmp_prop_protoid_v2, tvb, offset, 1, ENC_BIG_ENDIAN);
}
offset += 1;
length -= 1;
spi_size = tvb_get_guint8(tvb, offset);
proto_tree_add_item(tree, hf_isakmp_spisize, tvb, offset, 1, ENC_BIG_ENDIAN);
offset += 1;
length -= 1;
num_transforms = tvb_get_guint8(tvb, offset);
proto_tree_add_item(tree, hf_isakmp_prop_transforms, tvb, offset, 1, ENC_BIG_ENDIAN);
offset += 1;
length -= 1;
if (spi_size) {
proto_tree_add_item(tree, hf_isakmp_spi, tvb, offset, spi_size, ENC_NA);
offset += spi_size;
length -= spi_size;
}
while (num_transforms > 0) {
ntree = dissect_payload_header(tvb, pinfo, offset, length, isakmp_version,
PLOAD_IKE_T, &next_payload, &payload_length, tree);
if (length < payload_length) {
proto_tree_add_expert_format(tree, pinfo, &ei_isakmp_payload_bad_length, tvb, offset + 4, length,
"Payload (bogus, length is %u, greater than remaining length %d", payload_length, length);
break;
} else if (payload_length < 4) {
proto_tree_add_expert_format(tree, pinfo, &ei_isakmp_payload_bad_length, tvb, offset + 4, length,
"Payload (bogus, length is %u, must be at least 4)", payload_length);
break;
}
dissect_transform(tvb, pinfo, offset + 4, payload_length - 4, ntree, isakmp_version, protocol_id, decr_data);
offset += payload_length;
length -= payload_length;
num_transforms--;
}
}
/** Dissect an attribute header, which is common to all attributes.
*
* @param [in] tvb The tv buffer of the current data.
* @param [in] tree The tree to append the attribute subtree to.
* @param [in] offset The start of the data in tvb.
* @param [in] hf_attr A struct of indices pointing to attribute header field descriptions.
* @param [in] attr_typenames The table for translation of the attribute type id to a name.
* @param [out] headerlen The length of the attribute header, excluding the value.
* @param [out] value_len The length of the attribute value.
* @param [out] attr_type The attribute type, as read from the attribute header.
* @param [out] attr_item The root item created for this attribute.
* @param [out] subtree The subtree created for this attribute.
*/
static void
dissect_attribute_header(tvbuff_t *tvb, proto_tree *tree, int offset,
attribute_common_fields hf_attr, const range_string *attr_typenames,
guint *headerlen, guint *value_len, guint *attr_type,
proto_item **attr_item, proto_tree **subtree)
{
guint attr_type_format;
gboolean has_len;
const gchar *attr_typename;
attr_type_format = tvb_get_ntohs(tvb, offset);
has_len = !(attr_type_format & 0x8000);
*attr_type = attr_type_format & 0x7fff;
if (has_len) {
/* Type/Length/Value format */
*headerlen = 4;
*value_len = tvb_get_ntohs(tvb, offset + 2);
} else {
/* Type/Value format */
*headerlen = 2;
*value_len = 2;
}
*attr_item = proto_tree_add_item(tree, hf_attr.all, tvb, offset, *headerlen + *value_len, ENC_NA);
attr_typename = rval_to_str(*attr_type, attr_typenames, "Unknown Attribute Type (%02d)");
proto_item_append_text(*attr_item, " (t=%d,l=%d): %s", *attr_type, *value_len, attr_typename);
*subtree = proto_item_add_subtree(*attr_item, ett_isakmp_attr);
proto_tree_add_item(*subtree, hf_attr.format, tvb, offset, 2, ENC_BIG_ENDIAN);
proto_tree_add_uint(*subtree, hf_attr.type, tvb, offset, 2, *attr_type);
if (has_len)
proto_tree_add_item(*subtree, hf_attr.length, tvb, offset + 2, 2, ENC_BIG_ENDIAN);
if (*value_len > 0)
proto_tree_add_item(*subtree, hf_attr.value, tvb, offset + *headerlen, *value_len, ENC_NA);
}
/* Returns the number of bytes consumed by this attribute. */
static int
dissect_rohc_attribute(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset)
{
guint headerlen, value_len, attr_type;
proto_item *attr_item;
proto_tree *attr_tree;
dissect_attribute_header(tvb, tree, offset,
hf_isakmp_notify_data_rohc_attr, rohc_attr_type,
&headerlen, &value_len, &attr_type,
&attr_item, &attr_tree);
offset += headerlen;
if (value_len == 0)
{
expert_add_info(pinfo, attr_item, &ei_isakmp_attribute_value_empty);
return headerlen;
}
switch(attr_type) {
case ROHC_MAX_CID:
proto_tree_add_item(attr_tree, hf_isakmp_notify_data_rohc_attr_max_cid, tvb, offset, value_len, ENC_BIG_ENDIAN);
break;
case ROHC_PROFILE:
proto_tree_add_item(attr_tree, hf_isakmp_notify_data_rohc_attr_profile, tvb, offset, value_len, ENC_BIG_ENDIAN);
break;
case ROHC_INTEG:
proto_tree_add_item(attr_tree, hf_isakmp_notify_data_rohc_attr_integ, tvb, offset, value_len, ENC_BIG_ENDIAN);
break;
case ROHC_ICV_LEN:
proto_tree_add_item(attr_tree, hf_isakmp_notify_data_rohc_attr_icv_len, tvb, offset, value_len, ENC_BIG_ENDIAN);
break;
case ROHC_MRRU:
proto_tree_add_item(attr_tree, hf_isakmp_notify_data_rohc_attr_mrru, tvb, offset, value_len, ENC_BIG_ENDIAN);
break;
default:
/* No Default Action */
break;
}
return headerlen + value_len;
}
/* Dissect life duration, which is variable-length. Note that this function
* handles both/either the security association life duration as defined in
* section 4.5 of RFC2407 (https://tools.ietf.org/html/rfc2407), as well as the
* life duration according to the attribute classes table in Appendix A of
* RFC2409: https://tools.ietf.org/html/rfc2409#page-33 */
static void
dissect_life_duration(tvbuff_t *tvb, proto_tree *tree, proto_item *ti, int hf_uint32, int hf_uint64, int hf_bytes, int offset, guint len)
{
switch (len) {
case 0:
break;
case 1: {
guint8 val;
val = tvb_get_guint8(tvb, offset);
proto_tree_add_uint(tree, hf_uint32, tvb, offset, len, val);
proto_item_append_text(ti, ": %u", val);
break;
}
case 2: {
guint16 val;
val = tvb_get_ntohs(tvb, offset);
proto_tree_add_uint(tree, hf_uint32, tvb, offset, len, val);
proto_item_append_text(ti, ": %u", val);
break;
}
case 3: {
guint32 val;
val = tvb_get_ntoh24(tvb, offset);
proto_tree_add_uint(tree, hf_uint32, tvb, offset, len, val);
proto_item_append_text(ti, ": %u", val);
break;
}
case 4: {
guint32 val;
val = tvb_get_ntohl(tvb, offset);
proto_tree_add_uint(tree, hf_uint32, tvb, offset, len, val);
proto_item_append_text(ti, ": %u", val);
break;
}
case 5: {
guint64 val;
val = tvb_get_ntoh40(tvb, offset);
proto_tree_add_uint64_format_value(tree, hf_uint64, tvb, offset, len, val, "%" PRIu64, val);
proto_item_append_text(ti, ": %" PRIu64, val);
break;
}
case 6: {
guint64 val;
val = tvb_get_ntoh48(tvb, offset);
proto_tree_add_uint64_format_value(tree, hf_uint64, tvb, offset, len, val, "%" PRIu64, val);
proto_item_append_text(ti, ": %" PRIu64, val);
break;
}
case 7: {
guint64 val;
val = tvb_get_ntoh56(tvb, offset);
proto_tree_add_uint64_format_value(tree, hf_uint64, tvb, offset, len, val, "%" PRIu64, val);
proto_item_append_text(ti, ": %" PRIu64, val);
break;
}
case 8: {
guint64 val;
val = tvb_get_ntoh64(tvb, offset);
proto_tree_add_uint64_format_value(tree, hf_uint64, tvb, offset, len, val, "%" PRIu64, val);
proto_item_append_text(ti, ": %" PRIu64, val);
break;
}
default:
proto_tree_add_item(tree, hf_bytes, tvb, offset, len, ENC_NA);
proto_item_append_text(ti, ": %" PRIx64 " ...", tvb_get_ntoh64(tvb, offset));
break;
}
}
/* Returns the number of bytes consumed by this attribute. */
static int
dissect_ipsec_attribute(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset)
{
guint headerlen, value_len, attr_type;
proto_item *attr_item;
proto_tree *attr_tree;
dissect_attribute_header(tvb, tree, offset,
hf_isakmp_ipsec_attr, ipsec_attr_type,
&headerlen, &value_len, &attr_type,
&attr_item, &attr_tree);
offset += headerlen;
if (value_len == 0)
{
expert_add_info(pinfo, attr_item, &ei_isakmp_attribute_value_empty);
return headerlen;
}
switch(attr_type) {
case IPSEC_ATTR_LIFE_TYPE:
proto_tree_add_item(attr_tree, hf_isakmp_ipsec_attr_life_type, tvb, offset, value_len, ENC_BIG_ENDIAN);
proto_item_append_text(attr_item, ": %s", val_to_str(tvb_get_ntohs(tvb, offset), attr_life_type, "Unknown %d"));
break;
case IPSEC_ATTR_LIFE_DURATION:
dissect_life_duration(tvb, attr_tree, attr_item, hf_isakmp_ipsec_attr_life_duration_uint32, hf_isakmp_ipsec_attr_life_duration_uint64, hf_isakmp_ipsec_attr_life_duration_bytes, offset, value_len);
break;
case IPSEC_ATTR_GROUP_DESC:
proto_tree_add_item(attr_tree, hf_isakmp_ipsec_attr_group_description, tvb, offset, value_len, ENC_BIG_ENDIAN);
proto_item_append_text(attr_item, ": %s", val_to_str(tvb_get_ntohs(tvb, offset), dh_group, "Unknown %d"));
break;
case IPSEC_ATTR_ENCAP_MODE:
proto_tree_add_item(attr_tree, hf_isakmp_ipsec_attr_encap_mode, tvb, offset, value_len, ENC_BIG_ENDIAN);
proto_item_append_text(attr_item, ": %s", val_to_str(tvb_get_ntohs(tvb, offset), ipsec_attr_encap_mode, "Unknown %d"));
break;
case IPSEC_ATTR_AUTH_ALGORITHM:
proto_tree_add_item(attr_tree, hf_isakmp_ipsec_attr_auth_algorithm, tvb, offset, value_len, ENC_BIG_ENDIAN);
proto_item_append_text(attr_item, ": %s", val_to_str(tvb_get_ntohs(tvb, offset), ipsec_attr_auth_algo, "Unknown %d"));
break;
case IPSEC_ATTR_KEY_LENGTH:
proto_tree_add_item(attr_tree, hf_isakmp_ipsec_attr_key_length, tvb, offset, value_len, ENC_BIG_ENDIAN);
proto_item_append_text(attr_item, ": %d", tvb_get_ntohs(tvb, offset));
break;
case IPSEC_ATTR_KEY_ROUNDS:
proto_tree_add_item(attr_tree, hf_isakmp_ipsec_attr_key_rounds, tvb, offset, value_len, ENC_BIG_ENDIAN);
proto_item_append_text(attr_item, ": %d", tvb_get_ntohs(tvb, offset));
break;
case IPSEC_ATTR_CMPR_DICT_SIZE:
proto_tree_add_item(attr_tree, hf_isakmp_ipsec_attr_cmpr_dict_size, tvb, offset, value_len, ENC_BIG_ENDIAN);
break;
case IPSEC_ATTR_CMPR_ALGORITHM:
proto_tree_add_item(attr_tree, hf_isakmp_ipsec_attr_cmpr_algorithm, tvb, offset, value_len, ENC_NA);
break;
case IPSEC_ATTR_ECN_TUNNEL:
proto_tree_add_item(attr_tree, hf_isakmp_ipsec_attr_ecn_tunnel, tvb, offset, value_len, ENC_BIG_ENDIAN);
proto_item_append_text(attr_item, ": %s", val_to_str(tvb_get_ntohs(tvb, offset), ipsec_attr_ecn_tunnel, "Unknown %d"));
break;
case IPSEC_ATTR_EXT_SEQ_NBR:
proto_tree_add_item(attr_tree, hf_isakmp_ipsec_attr_ext_seq_nbr, tvb, offset, value_len, ENC_BIG_ENDIAN);
proto_item_append_text(attr_item, ": %s", val_to_str(tvb_get_ntohs(tvb, offset), ipsec_attr_ext_seq_nbr, "Unknown %d"));
break;
case IPSEC_ATTR_AUTH_KEY_LENGTH:
proto_tree_add_item(attr_tree, hf_isakmp_ipsec_attr_auth_key_length, tvb, offset, value_len, ENC_BIG_ENDIAN);
proto_item_append_text(attr_item, ": %d", tvb_get_ntohs(tvb, offset));
break;
case IPSEC_ATTR_SIG_ENCO_ALGORITHM:
proto_tree_add_item(attr_tree, hf_isakmp_ipsec_attr_sig_enco_algorithm, tvb, offset, value_len, ENC_NA);
break;
case IPSEC_ATTR_ADDR_PRESERVATION:
proto_tree_add_item(attr_tree, hf_isakmp_ipsec_attr_addr_preservation, tvb, offset, value_len, ENC_BIG_ENDIAN);
proto_item_append_text(attr_item, ": %s", val_to_str(tvb_get_ntohs(tvb, offset), ipsec_attr_addr_preservation, "Unknown %d"));
break;
case IPSEC_ATTR_SA_DIRECTION:
proto_tree_add_item(attr_tree, hf_isakmp_ipsec_attr_sa_direction, tvb, offset, value_len, ENC_BIG_ENDIAN);
proto_item_append_text(attr_item, ": %s", val_to_str(tvb_get_ntohs(tvb, offset), ipsec_attr_sa_direction, "Unknown %d"));
default:
/* No Default Action */
break;
}
return headerlen + value_len;
}
/* Returns the number of bytes consumed by this attribute. */
static int
dissect_resp_lifetime_ipsec_attribute(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset)
{
guint headerlen, value_len, attr_type;
proto_item *attr_item;
proto_tree *attr_tree;
dissect_attribute_header(tvb, tree, offset,
hf_isakmp_resp_lifetime_ipsec_attr, ipsec_attr_type,
&headerlen, &value_len, &attr_type,
&attr_item, &attr_tree);
offset += headerlen;
if (value_len == 0)
{
expert_add_info(pinfo, attr_item, &ei_isakmp_attribute_value_empty);
return headerlen;
}
switch(attr_type) {
case IPSEC_ATTR_LIFE_TYPE:
proto_tree_add_item(attr_tree, hf_isakmp_resp_lifetime_ipsec_attr_life_type, tvb, offset, value_len, ENC_BIG_ENDIAN);
proto_item_append_text(attr_item, ": %s", val_to_str(tvb_get_ntohs(tvb, offset), attr_life_type, "Unknown %d"));
break;
case IPSEC_ATTR_LIFE_DURATION:
dissect_life_duration(tvb, attr_tree, attr_item, hf_isakmp_resp_lifetime_ipsec_attr_life_duration_uint32, hf_isakmp_resp_lifetime_ipsec_attr_life_duration_uint64, hf_isakmp_resp_lifetime_ipsec_attr_life_duration_bytes, offset, value_len);
break;
default:
/* No Default Action */
break;
}
return headerlen + value_len;
}
/* Returns the number of bytes consumed by this attribute. */
static int
dissect_ike_attribute(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, decrypt_data_t *decr)
{
guint headerlen, value_len, attr_type;
proto_item *attr_item;
proto_tree *attr_tree;
dissect_attribute_header(tvb, tree, offset,
hf_isakmp_ike_attr, ike_attr_type,
&headerlen, &value_len, &attr_type,
&attr_item, &attr_tree);
offset += headerlen;
if (value_len == 0)
{
expert_add_info(pinfo, attr_item, &ei_isakmp_attribute_value_empty);
return headerlen;
}
switch(attr_type) {
case IKE_ATTR_ENCRYPTION_ALGORITHM:
proto_tree_add_item(attr_tree, hf_isakmp_ike_attr_encryption_algorithm, tvb, offset, value_len, ENC_BIG_ENDIAN);
proto_item_append_text(attr_item, ": %s", val_to_str(tvb_get_ntohs(tvb, offset), ike_attr_enc_algo, "Unknown %d"));
if (decr) decr->ike_encr_alg = tvb_get_ntohs(tvb, offset);
break;
case IKE_ATTR_HASH_ALGORITHM:
proto_tree_add_item(attr_tree, hf_isakmp_ike_attr_hash_algorithm, tvb, offset, value_len, ENC_BIG_ENDIAN);
proto_item_append_text(attr_item, ": %s", val_to_str(tvb_get_ntohs(tvb, offset), ike_attr_hash_algo, "Unknown %d"));
if (decr) decr->ike_hash_alg = tvb_get_ntohs(tvb, offset);
break;
case IKE_ATTR_AUTHENTICATION_METHOD:
proto_tree_add_item(attr_tree, hf_isakmp_ike_attr_authentication_method, tvb, offset, value_len, ENC_BIG_ENDIAN);
proto_item_append_text(attr_item, ": %s", val_to_str(tvb_get_ntohs(tvb, offset), ike_attr_authmeth, "Unknown %d"));
if (decr) decr->is_psk = tvb_get_ntohs(tvb, offset) == 0x01 ? TRUE : FALSE;
break;
case IKE_ATTR_GROUP_DESCRIPTION:
proto_tree_add_item(attr_tree, hf_isakmp_ike_attr_group_description, tvb, offset, value_len, ENC_BIG_ENDIAN);
proto_item_append_text(attr_item, ": %s", val_to_str(tvb_get_ntohs(tvb, offset), dh_group, "Unknown %d"));
if (decr) decr->group = tvb_get_ntohs(tvb, offset);
break;
case IKE_ATTR_GROUP_TYPE:
proto_tree_add_item(attr_tree, hf_isakmp_ike_attr_group_type, tvb, offset, value_len, ENC_BIG_ENDIAN);
proto_item_append_text(attr_item, ": %s", val_to_str(tvb_get_ntohs(tvb, offset), ike_attr_grp_type, "Unknown %d"));
break;
case IKE_ATTR_GROUP_PRIME:
proto_tree_add_item(attr_tree, hf_isakmp_ike_attr_group_prime, tvb, offset, value_len, ENC_NA);
break;
case IKE_ATTR_GROUP_GENERATOR_ONE:
proto_tree_add_item(attr_tree, hf_isakmp_ike_attr_group_generator_one, tvb, offset, value_len, ENC_NA);
break;
case IKE_ATTR_GROUP_GENERATOR_TWO:
proto_tree_add_item(attr_tree, hf_isakmp_ike_attr_group_generator_two, tvb, offset, value_len, ENC_NA);
break;
case IKE_ATTR_GROUP_CURVE_A:
proto_tree_add_item(attr_tree, hf_isakmp_ike_attr_group_curve_a, tvb, offset, value_len, ENC_NA);
break;
case IKE_ATTR_GROUP_CURVE_B:
proto_tree_add_item(attr_tree, hf_isakmp_ike_attr_group_curve_b, tvb, offset, value_len, ENC_NA);
break;
case IKE_ATTR_LIFE_TYPE:
proto_tree_add_item(attr_tree, hf_isakmp_ike_attr_life_type, tvb, offset, value_len, ENC_BIG_ENDIAN);
proto_item_append_text(attr_item, ": %s", val_to_str(tvb_get_ntohs(tvb, offset), attr_life_type, "Unknown %d"));
break;
case IKE_ATTR_LIFE_DURATION:
dissect_life_duration(tvb, attr_tree, attr_item, hf_isakmp_ike_attr_life_duration_uint32, hf_isakmp_ike_attr_life_duration_uint64, hf_isakmp_ike_attr_life_duration_bytes, offset, value_len);
break;
case IKE_ATTR_PRF:
proto_tree_add_item(attr_tree, hf_isakmp_ike_attr_prf, tvb, offset, value_len, ENC_NA);
break;
case IKE_ATTR_KEY_LENGTH:
proto_tree_add_item(attr_tree, hf_isakmp_ike_attr_key_length, tvb, offset, value_len, ENC_BIG_ENDIAN);
proto_item_append_text(attr_item, ": %d", tvb_get_ntohs(tvb, offset));
if (decr) decr->ike_encr_keylen = tvb_get_ntohs(tvb, offset);
break;
case IKE_ATTR_FIELD_SIZE:
proto_tree_add_item(attr_tree, hf_isakmp_ike_attr_field_size, tvb, offset, value_len, ENC_NA);
break;
case IKE_ATTR_GROUP_ORDER:
proto_tree_add_item(attr_tree, hf_isakmp_ike_attr_group_order, tvb, offset, value_len, ENC_NA);
break;
default:
/* No Default Action */
break;
}
return headerlen + value_len;
}
/* Returns the number of bytes consumed by this attribute. */
static int
dissect_resp_lifetime_ike_attribute(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset)
{
guint headerlen, value_len, attr_type;
proto_item *attr_item;
proto_tree *attr_tree;
dissect_attribute_header(tvb, tree, offset,
hf_isakmp_resp_lifetime_ike_attr, ike_attr_type,
&headerlen, &value_len, &attr_type,
&attr_item, &attr_tree);
offset += headerlen;
if (value_len == 0)
{
expert_add_info(pinfo, attr_item, &ei_isakmp_attribute_value_empty);
return headerlen;
}
switch(attr_type) {
case IKE_ATTR_LIFE_TYPE:
proto_tree_add_item(attr_tree, hf_isakmp_resp_lifetime_ike_attr_life_type, tvb, offset, value_len, ENC_BIG_ENDIAN);
proto_item_append_text(attr_item, ": %s", val_to_str(tvb_get_ntohs(tvb, offset), attr_life_type, "Unknown %d"));
break;
case IKE_ATTR_LIFE_DURATION:
dissect_life_duration(tvb, attr_tree, attr_item, hf_isakmp_resp_lifetime_ike_attr_life_duration_uint32, hf_isakmp_resp_lifetime_ike_attr_life_duration_uint64, hf_isakmp_resp_lifetime_ike_attr_life_duration_bytes, offset, value_len);
break;
default:
/* No Default Action */
break;
}
return headerlen + value_len;
}
/* Returns the number of bytes consumed by this attribute. */
static int
dissect_ike2_transform_attribute(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset)
{
guint headerlen, value_len, attr_type;
proto_item *attr_item;
proto_tree *attr_tree;
dissect_attribute_header(tvb, tree, offset,
hf_isakmp_ike2_attr, transform_ike2_attr_type,
&headerlen, &value_len, &attr_type,
&attr_item, &attr_tree);
offset += headerlen;
if (value_len == 0)
{
expert_add_info(pinfo, attr_item, &ei_isakmp_attribute_value_empty);
return headerlen;
}
switch(attr_type) {
case IKE2_ATTR_KEY_LENGTH:
proto_tree_add_item(attr_tree, hf_isakmp_ike2_attr_key_length, tvb, offset, value_len, ENC_BIG_ENDIAN);
proto_item_append_text(attr_item, ": %d", tvb_get_ntohs(tvb, offset));
break;
default:
/* No Default Action */
break;
}
return headerlen + value_len;
}
static void
dissect_transform(tvbuff_t *tvb, packet_info *pinfo, int offset, int length, proto_tree *tree, int isakmp_version, int protocol_id, void* decr_data)
{
if (isakmp_version == 1)
{
guint8 transform_id;
guint8 transform_num;
decrypt_data_t *decr = (decrypt_data_t *)decr_data;
int offset_end = 0;
offset_end = offset + length;
transform_num = tvb_get_guint8(tvb, offset);
proto_item_append_text(tree," # %d",transform_num);
proto_tree_add_item(tree, hf_isakmp_trans_number, tvb, offset, 1, ENC_BIG_ENDIAN);
offset += 1;
transform_id = tvb_get_guint8(tvb, offset);
switch (protocol_id) {
case 1: /* ISAKMP */
proto_tree_add_uint_format_value(tree, hf_isakmp_trans_id, tvb, offset, 1,
transform_id, "%s (%u)",
val_to_str_const(transform_id, vs_v1_trans_isakmp, "UNKNOWN-TRANS-TYPE"), transform_id);
break;
case 2: /* AH */
proto_tree_add_uint_format_value(tree, hf_isakmp_trans_id, tvb, offset, 1,
transform_id, "%s (%u)",
val_to_str_const(transform_id, vs_v1_trans_ah, "UNKNOWN-AH-TRANS-TYPE"), transform_id);
break;
case 3: /* ESP */
proto_tree_add_uint_format_value(tree, hf_isakmp_trans_id, tvb, offset, 1,
transform_id, "%s (%u)",
val_to_str_const(transform_id, vs_v1_trans_esp, "UNKNOWN-ESP-TRANS-TYPE"), transform_id);
break;
case 4: /* IPCOMP */
proto_tree_add_uint_format_value(tree, hf_isakmp_trans_id, tvb, offset, 1,
transform_id, "%s (%u)",
val_to_str_const(transform_id, transform_id_ipcomp, "UNKNOWN-IPCOMP-TRANS-TYPE"), transform_id);
break;
default:
proto_tree_add_item(tree, hf_isakmp_trans_id, tvb, offset, 1, ENC_BIG_ENDIAN);
break;
}
offset += 1;
proto_tree_add_item(tree, hf_isakmp_reserved, tvb, offset, 2, ENC_NA);
offset += 2;
if (protocol_id == 1 && transform_id == 1) {
if (decr) {
/* Allow detection of missing IKE transform attributes:
* Make sure their values are not carried over from another transform
* dissected previously. */
decr->ike_encr_alg = 0;
decr->ike_encr_keylen = 0;
decr->ike_hash_alg = 0;
}
while (offset < offset_end) {
offset += dissect_ike_attribute(tvb, pinfo, tree, offset, decr);
}
}
else {
while (offset < offset_end) {
offset += dissect_ipsec_attribute(tvb, pinfo, tree, offset);
}
}
}
else if(isakmp_version == 2)
{
guint8 transform_type;
int offset_end = 0;
offset_end = offset + length;
transform_type = tvb_get_guint8(tvb, offset);
proto_tree_add_item(tree, hf_isakmp_trans_type, tvb, offset, 1, ENC_BIG_ENDIAN);
offset += 1;
proto_tree_add_item(tree, hf_isakmp_reserved, tvb, offset, 1, ENC_NA);
offset += 1;
switch(transform_type){
case TF_IKE2_ENCR:
proto_tree_add_item(tree, hf_isakmp_trans_encr, tvb, offset, 2, ENC_BIG_ENDIAN);
break;
case TF_IKE2_PRF:
proto_tree_add_item(tree, hf_isakmp_trans_prf, tvb, offset, 2, ENC_BIG_ENDIAN);
break;
case TF_IKE2_INTEG:
proto_tree_add_item(tree, hf_isakmp_trans_integ, tvb, offset, 2, ENC_BIG_ENDIAN);
break;
case TF_IKE2_DH:
proto_tree_add_item(tree, hf_isakmp_trans_dh, tvb, offset, 2, ENC_BIG_ENDIAN);
break;
case TF_IKE2_ESN:
proto_tree_add_item(tree, hf_isakmp_trans_esn, tvb, offset, 2, ENC_BIG_ENDIAN);
break;
default:
proto_tree_add_item(tree, hf_isakmp_trans_id_v2, tvb, offset, 2, ENC_BIG_ENDIAN);
break;
}
offset += 2;
while (offset < offset_end) {
offset += dissect_ike2_transform_attribute(tvb, pinfo, tree, offset);
}
}
}
static void
dissect_key_exch(tvbuff_t *tvb, int offset, int length, proto_tree *tree, int isakmp_version,
packet_info* pinfo, void* decr_data)
{
if (isakmp_version == 2) {
proto_tree_add_item(tree, hf_isakmp_key_exch_dh_group, tvb, offset, 2, ENC_BIG_ENDIAN);
offset += 2;
length -= 2;
proto_tree_add_item(tree, hf_isakmp_reserved, tvb, offset, 2, ENC_NA);
offset += 2;
length -= 2;
}
proto_tree_add_item(tree, hf_isakmp_key_exch_data, tvb, offset, length, ENC_NA);
if (isakmp_version == 1 && decr_data) {
decrypt_data_t *decr = (decrypt_data_t *)decr_data;
if (decr->gi_len == 0 && addresses_equal(&decr->initiator, &pinfo->src)) {
decr->gi = (gchar *)g_malloc(length);
tvb_memcpy(tvb, decr->gi, offset, length);
decr->gi_len = length;
} else if (decr->gr_len == 0 && !addresses_equal(&decr->initiator, &pinfo->src)) {
decr->gr = (gchar *)g_malloc(length);
tvb_memcpy(tvb, decr->gr, offset, length);
decr->gr_len = length;
}
}
}
static void
dissect_id_type(tvbuff_t *tvb, int offset, int length, guint8 id_type, proto_tree *idtree, proto_item *idit, packet_info *pinfo )
{
const guint8 *str;
asn1_ctx_t asn1_ctx;
asn1_ctx_init(&asn1_ctx, ASN1_ENC_BER, TRUE, pinfo);
switch (id_type) {
case IKE_ID_IPV4_ADDR:
proto_tree_add_item(idtree, hf_isakmp_id_data_ipv4_addr, tvb, offset, 4, ENC_BIG_ENDIAN);
proto_item_append_text(idit, "%s", tvb_ip_to_str(pinfo->pool, tvb, offset));
break;
case IKE_ID_FQDN:
proto_tree_add_item_ret_string(idtree, hf_isakmp_id_data_fqdn, tvb, offset, length, ENC_ASCII|ENC_NA, pinfo->pool, &str);
proto_item_append_text(idit, "%s", str);
break;
case IKE_ID_USER_FQDN:
proto_tree_add_item_ret_string(idtree, hf_isakmp_id_data_user_fqdn, tvb, offset, length, ENC_ASCII|ENC_NA, pinfo->pool, &str);
proto_item_append_text(idit, "%s", str);
break;
case IKE_ID_IPV4_ADDR_SUBNET:
proto_tree_add_item(idtree, hf_isakmp_id_data_ipv4_addr, tvb, offset, 4, ENC_BIG_ENDIAN);
proto_tree_add_item(idtree, hf_isakmp_id_data_ipv4_subnet, tvb, offset+4, 4, ENC_BIG_ENDIAN);
proto_item_append_text(idit, "%s/%s", tvb_ip_to_str(pinfo->pool, tvb, offset), tvb_ip_to_str(pinfo->pool, tvb, offset+4));
break;
case IKE_ID_IPV4_ADDR_RANGE:
proto_tree_add_item(idtree, hf_isakmp_id_data_ipv4_range_start, tvb, offset, 4, ENC_BIG_ENDIAN);
proto_tree_add_item(idtree, hf_isakmp_id_data_ipv4_range_end, tvb, offset+4, 4, ENC_BIG_ENDIAN);
proto_item_append_text(idit, "%s/%s", tvb_ip_to_str(pinfo->pool, tvb, offset), tvb_ip_to_str(pinfo->pool, tvb, offset+4));
break;
case IKE_ID_IPV6_ADDR:
proto_tree_add_item(idtree, hf_isakmp_id_data_ipv6_addr, tvb, offset, 16, ENC_NA);
proto_item_append_text(idit, "%s", tvb_ip6_to_str(pinfo->pool, tvb, offset));
break;
case IKE_ID_IPV6_ADDR_SUBNET:
proto_tree_add_item(idtree, hf_isakmp_id_data_ipv6_addr, tvb, offset, 16, ENC_NA);
proto_tree_add_item(idtree, hf_isakmp_id_data_ipv6_subnet, tvb, offset+16, 16, ENC_NA);
proto_item_append_text(idit, "%s/%s", tvb_ip6_to_str(pinfo->pool, tvb, offset), tvb_ip6_to_str(pinfo->pool, tvb, offset+16));
break;
case IKE_ID_IPV6_ADDR_RANGE:
proto_tree_add_item(idtree, hf_isakmp_id_data_ipv6_range_start, tvb, offset, 16, ENC_NA);
proto_tree_add_item(idtree, hf_isakmp_id_data_ipv6_range_end, tvb, offset+16, 16, ENC_NA);
proto_item_append_text(idit, "%s/%s", tvb_ip6_to_str(pinfo->pool, tvb, offset), tvb_ip6_to_str(pinfo->pool, tvb, offset+16));
break;
case IKE_ID_KEY_ID:
proto_tree_add_item(idtree, hf_isakmp_id_data_key_id, tvb, offset, length, ENC_NA);
break;
case IKE_ID_DER_ASN1_DN:
dissect_x509if_Name(FALSE, tvb, offset, &asn1_ctx, idtree, hf_isakmp_id_data_cert);
break;
default:
proto_item_append_text(idit, "%s", tvb_bytes_to_str(pinfo->pool, tvb,offset,length));
break;
}
}
static void
dissect_id(tvbuff_t *tvb, int offset, int length, proto_tree *tree, int isakmp_version, packet_info *pinfo )
{
guint8 id_type;
guint8 protocol_id;
guint16 port;
proto_item *idit;
proto_tree *idtree;
id_type = tvb_get_guint8(tvb, offset);
if (isakmp_version == 1)
{
proto_tree_add_item(tree, hf_isakmp_id_type_v1, tvb, offset, 1, ENC_BIG_ENDIAN);
}else if (isakmp_version == 2)
{
proto_tree_add_item(tree, hf_isakmp_id_type_v2, tvb, offset, 1, ENC_BIG_ENDIAN);
}
offset += 1;
length -= 1;
if (isakmp_version == 1) {
protocol_id = tvb_get_guint8(tvb, offset);
if (protocol_id == 0)
proto_tree_add_uint_format_value(tree, hf_isakmp_id_protoid, tvb, offset, 1,
protocol_id, "Unused");
else
proto_tree_add_item(tree, hf_isakmp_id_protoid, tvb, offset, 1, ENC_BIG_ENDIAN);
offset += 1;
length -= 1;
port = tvb_get_ntohs(tvb, offset);
if (port == 0)
proto_tree_add_uint_format_value(tree, hf_isakmp_id_port, tvb, offset, 2,
port, "Unused");
else
proto_tree_add_item(tree, hf_isakmp_id_port, tvb, offset, 2, ENC_BIG_ENDIAN);
offset += 2;
length -= 2;
} else if (isakmp_version == 2) {
proto_tree_add_item(tree, hf_isakmp_reserved, tvb, offset, 3, ENC_NA);
offset += 3;
length -= 3;
}
/*
* It shows strings of all types though some of types are not
* supported in IKEv2 specification actually.
*/
idit = proto_tree_add_item(tree, hf_isakmp_id_data, tvb, offset, length, ENC_NA);
idtree = proto_item_add_subtree(idit, ett_isakmp_id);
dissect_id_type(tvb, offset, length, id_type, idtree, idit, pinfo);
}
static void
dissect_cert(tvbuff_t *tvb, int offset, int length, proto_tree *tree, int isakmp_version, packet_info *pinfo )
{
guint8 cert_type;
asn1_ctx_t asn1_ctx;
asn1_ctx_init(&asn1_ctx, ASN1_ENC_BER, TRUE, pinfo);
cert_type = tvb_get_guint8(tvb, offset);
if (isakmp_version == 1)
{
proto_tree_add_item(tree, hf_isakmp_cert_encoding_v1, tvb, offset, 1, ENC_BIG_ENDIAN);
}else if (isakmp_version == 2)
{
proto_tree_add_item(tree, hf_isakmp_cert_encoding_v2, tvb, offset, 1, ENC_BIG_ENDIAN);
}
offset += 1;
length -= 1;
if (isakmp_version == 1)
{
dissect_x509af_Certificate(FALSE, tvb, offset, &asn1_ctx, tree, hf_isakmp_cert_data);
}else if (isakmp_version == 2)
{
switch(cert_type){
case 12:{
proto_item *ti_url;
proto_tree_add_item(tree, hf_isakmp_cert_x509_hash, tvb, offset, 20, ENC_NA);
offset += 20;
length -= 20;
ti_url = proto_tree_add_item(tree, hf_isakmp_cert_x509_url, tvb, offset, length, ENC_ASCII|ENC_NA);
proto_item_set_url(ti_url);
}
break;
default:
dissect_x509af_Certificate(FALSE, tvb, offset, &asn1_ctx, tree, hf_isakmp_cert_data);
break;
}
}
}
static void
dissect_certreq(tvbuff_t *tvb, int offset, int length, proto_tree *tree, int isakmp_version, packet_info *pinfo )
{
guint8 cert_type;
asn1_ctx_t asn1_ctx;
asn1_ctx_init(&asn1_ctx, ASN1_ENC_BER, TRUE, pinfo);
cert_type = tvb_get_guint8(tvb, offset);
if (isakmp_version == 1)
{
proto_tree_add_item(tree, hf_isakmp_certreq_type_v1, tvb, offset, 1, ENC_BIG_ENDIAN);
}else if (isakmp_version == 2)
{
proto_tree_add_item(tree, hf_isakmp_certreq_type_v2, tvb, offset, 1, ENC_BIG_ENDIAN);
}
offset += 1;
length -= 1;
if (isakmp_version == 1)
{
if (length == 0)
return;
switch(cert_type){
case 4:
dissect_x509if_Name(FALSE, tvb, offset, &asn1_ctx, tree, hf_isakmp_certreq_authority_sig);
break;
default:
proto_tree_add_item(tree, hf_isakmp_certreq_authority_v1, tvb, offset, length, ENC_NA);
break;
}
}else if (isakmp_version == 2)
{
/* this is a list of 20 byte SHA-1 hashes */
while (length > 0) {
proto_tree_add_item(tree, hf_isakmp_certreq_authority_v2, tvb, offset, 20, ENC_NA);
offset+=20;
length-=20;
}
}
}
static void
dissect_auth(tvbuff_t *tvb, packet_info *pinfo, int offset, int length, proto_tree *tree)
{
guint32 auth_meth;
guint32 asn1_len;
proto_item * ti;
proto_tree * subtree;
proto_tree * asn1tree;
proto_tree_add_item_ret_uint(tree, hf_isakmp_auth_meth, tvb, offset, 1, ENC_BIG_ENDIAN, &auth_meth);
offset += 1;
length -= 1;
proto_tree_add_item(tree, hf_isakmp_reserved, tvb, offset, 3, ENC_NA);
offset += 3;
length -= 3;
ti = proto_tree_add_item(tree, hf_isakmp_auth_data, tvb, offset, length, ENC_NA);
if (auth_meth == AUTH_METH_DIGITAL_SIGNATURE) {
subtree = proto_item_add_subtree(ti, ett_isakmp_payload_digital_signature);
proto_tree_add_item_ret_uint(subtree, hf_isakmp_auth_digital_sig_asn1_len, tvb, offset, 1, ENC_BIG_ENDIAN, &asn1_len);
offset += 1;
length -= 1;
/* cast ok, since length was parsed out of one unsigned byte into guint32 */
if ( (asn1_len > 0) && ((int)asn1_len < length) ) {
ti = proto_tree_add_item(subtree, hf_isakmp_auth_digital_sig_asn1_data, tvb, offset, asn1_len, ENC_NA);
asn1tree = proto_item_add_subtree(ti, ett_isakmp_payload_digital_signature_asn1_data);
dissect_unknown_ber(pinfo, tvb, offset, asn1tree);
offset += asn1_len;
length -= asn1_len;
proto_tree_add_item(subtree, hf_isakmp_auth_digital_sig_value, tvb, offset, length, ENC_NA);
}
}
}
static void
dissect_hash(tvbuff_t *tvb, int offset, int length, proto_tree *ntree)
{
proto_tree_add_item(ntree, hf_isakmp_hash, tvb, offset, length, ENC_NA);
}
static void
dissect_sig(tvbuff_t *tvb, int offset, int length, proto_tree *ntree)
{
proto_tree_add_item(ntree, hf_isakmp_sig, tvb, offset, length, ENC_NA);
}
static void
dissect_nonce(tvbuff_t *tvb, int offset, int length, proto_tree *ntree)
{
proto_tree_add_item(ntree, hf_isakmp_nonce, tvb, offset, length, ENC_NA);
}
static void
dissect_cisco_fragmentation(tvbuff_t *tvb, int offset, int length, proto_tree *tree, packet_info *pinfo)
{
guint8 seq; /* Packet sequence number, starting from 1 */
guint8 last;
proto_tree *ptree;
ptree = proto_tree_get_parent(tree);
if (length < 4)
return;
proto_tree_add_item(tree, hf_isakmp_cisco_frag_packetid, tvb, offset, 2, ENC_BIG_ENDIAN);
offset += 2;
seq = tvb_get_guint8(tvb, offset);
proto_tree_add_item(tree, hf_isakmp_cisco_frag_seq, tvb, offset, 1, ENC_BIG_ENDIAN);
offset += 1;
last = tvb_get_guint8(tvb, offset);
proto_tree_add_item(tree, hf_isakmp_cisco_frag_last, tvb, offset, 1, ENC_BIG_ENDIAN);
offset += 1;
/*length-=4;*/
/* Start Reassembly stuff for Cisco IKE fragmentation */
{
gboolean save_fragmented;
tvbuff_t *defrag_isakmp_tvb;
fragment_head *frag_msg;
save_fragmented = pinfo->fragmented;
pinfo->fragmented = TRUE;
frag_msg = fragment_add_seq_check(&isakmp_cisco_reassembly_table, tvb, offset,
pinfo,
12345, /*FIXME: Fragmented packet id, guint16, somehow get CKY here */
NULL,
seq-1, /* fragment sequence number, starting from 0 */
tvb_reported_length_remaining(tvb, offset), /* fragment length - to the end */
!last); /* More fragments? */
defrag_isakmp_tvb = process_reassembled_data(tvb, offset, pinfo,
"Reassembled ISAKMP", frag_msg,
&isakmp_frag_items, /* groups and items, using same as Cisco */
NULL, ptree);
if (last && defrag_isakmp_tvb) { /* take it all */
dissect_isakmp(defrag_isakmp_tvb, pinfo, ptree, NULL);
}
col_append_fstr(pinfo->cinfo, COL_INFO,
" (%sMessage fragment %u%s)",
(last && frag_msg ? "Reassembled + " : ""),
seq, (last ? " - last" : ""));
pinfo->fragmented = save_fragmented;
}
/* End Reassembly stuff for Cisco IKE fragmentation */
}
/* This is RFC7383 reassembly. */
static void
dissect_ikev2_fragmentation(tvbuff_t *tvb, int offset, proto_tree *tree,
packet_info *pinfo, guint message_id, guint8 next_payload, gboolean is_request, void* decr_info)
{
guint16 fragment_number, total_fragments;
gboolean message_next_payload_set = FALSE;
guint8 message_next_payload = 0;
gint iv_len, icd_len;
gint iv_offset;
gint icd_offset;
ikev2_decrypt_data_t *key_info;
/* Fragment Number */
fragment_number = tvb_get_ntohs(tvb, offset);
total_fragments = tvb_get_ntohs(tvb, offset+2);
proto_tree_add_item(tree, hf_isakmp_ike2_fragment_number, tvb, offset, 2, ENC_BIG_ENDIAN);
offset += 2;
if (fragment_number == 0) {
proto_tree_add_expert_format(tree, pinfo, &ei_isakmp_bad_fragment_number, tvb, 0, 0,
"Fragment number must not be zero");
}
else if (fragment_number > total_fragments) {
proto_tree_add_expert_format(tree, pinfo, &ei_isakmp_bad_fragment_number, tvb, 0, 0,
"Fragment number (%u) must not be greater than total fragments (%u)",
fragment_number, total_fragments);
}
/* During the first pass, store in the conversation the next_payload */
if (!pinfo->fd->visited && (fragment_number == 1)) {
/* Create/update conversation with message_id -> next_payload */
conversation_t* p_conv = find_or_create_conversation(pinfo);
ikev2_fragmentation_state_t *p_state = wmem_new0(wmem_file_scope(), ikev2_fragmentation_state_t);
p_state->message_id = message_id;
p_state->next_payload = next_payload;
/* Store the state with the conversation */
conversation_add_proto_data(p_conv, proto_isakmp, (void*)p_state);
}
/* Total fragments */
proto_tree_add_item(tree, hf_isakmp_ike2_total_fragments, tvb, offset, 2, ENC_BIG_ENDIAN);
if (total_fragments == 0) {
proto_tree_add_expert_format(tree, pinfo, &ei_isakmp_bad_fragment_number, tvb, 0, 0,
"Total fragments must not be zero");
}
/* Show fragment summary in Info column */
col_append_fstr(pinfo->cinfo, COL_INFO, " (fragment %u/%u)", fragment_number, total_fragments);
offset += 2;
/* If this is the last fragment, need to know what the payload type for the reassembled message is,
which was included in the first fragment */
if (fragment_number == total_fragments) {
if (!pinfo->fd->visited) {
/* On first pass, get it from the conversation info */
conversation_t *p_conv = find_conversation_pinfo(pinfo, 0);
if (p_conv != NULL) {
ikev2_fragmentation_state_t *p_state = (ikev2_fragmentation_state_t*)conversation_get_proto_data(p_conv, proto_isakmp);
if (p_state != NULL) {
if (p_state->message_id == message_id) {
message_next_payload = p_state->next_payload;
message_next_payload_set = TRUE;
/* Store in table for this frame for future passes */
g_hash_table_insert(defrag_next_payload_hash, GUINT_TO_POINTER(pinfo->num), GUINT_TO_POINTER((guint)message_next_payload));
}
}
}
}
else {
/* On later passes, look up in hash table by frame number */
message_next_payload = (guint8)GPOINTER_TO_UINT(g_hash_table_lookup(defrag_next_payload_hash, GUINT_TO_POINTER(pinfo->num)));
if (message_next_payload != 0) {
message_next_payload_set = TRUE;
}
}
}
/* Can only know lengths of following fields if we have the key information */
if (decr_info) {
key_info = (ikev2_decrypt_data_t*)(decr_info);
iv_len = key_info->encr_spec->iv_len;
icd_len = key_info->auth_spec->trunc_len;
}
else {
/* Can't show any more info. */
return;
}
/* Initialization Vector */
iv_offset = offset;
proto_tree_add_item(tree, hf_isakmp_enc_iv, tvb, offset, iv_len, ENC_NA);
offset += iv_len;
icd_offset = offset + tvb_reported_length_remaining(tvb, offset) - icd_len;
/* Encryption data */
proto_tree_add_item(tree, hf_isakmp_enc_data, tvb, offset, icd_offset-offset, ENC_NA);
/* Can only check how much padding there is after decrypting... */
/* Start Reassembly stuff for IKE2 fragmentation */
{
gboolean save_fragmented;
tvbuff_t *defrag_decrypted_isakmp_tvb;
tvbuff_t *isakmp_decrypted_fragment_tvb;
fragment_head *frag_msg;
guint8 padding_length;
guint16 fragment_length;
/* Decrypt but don't dissect this encrypted payload. */
isakmp_decrypted_fragment_tvb = dissect_enc(tvb, iv_offset, tvb_reported_length_remaining(tvb, iv_offset), tree, pinfo,
0, /* Payload type won't be used in this call, and may not know yet */
is_request,
decr_info,
FALSE /* Don't dissect decrypted tvb as not a completed payload */
);
/* Save pinfo->fragmented, will later restore it */
save_fragmented = pinfo->fragmented;
pinfo->fragmented = TRUE;
/* Remove padding length + any padding bytes from reassembled payload */
padding_length = tvb_get_guint8(isakmp_decrypted_fragment_tvb, tvb_reported_length(isakmp_decrypted_fragment_tvb)-1);
fragment_length = tvb_reported_length(isakmp_decrypted_fragment_tvb) - 1 - padding_length;
/* Adding decrypted tvb into reassembly table here */
frag_msg = fragment_add_seq_check(&isakmp_ike2_reassembly_table,
isakmp_decrypted_fragment_tvb,
0, /* offset */
pinfo,
message_id, /* message_id from top-level header */
NULL, /* data? */
fragment_number-1, /* fragment sequence number, starting from 0 */
fragment_length, /* fragment - (padding_length + padding) */
fragment_number < total_fragments); /* More fragments? */
defrag_decrypted_isakmp_tvb = process_reassembled_data(tvb, offset, pinfo,
"Reassembled IKE2 ISAKMP",
frag_msg,
&isakmp_frag_items, /* Tree IDs & items - using same ones as Cisco. */
NULL, tree);
if (defrag_decrypted_isakmp_tvb && key_info && message_next_payload_set) {
/* Completely reassembled - already decrypted - dissect reassembled payload if know next payload type */
col_append_fstr(pinfo->cinfo, COL_INFO, " (reassembled)");
dissect_payloads(defrag_decrypted_isakmp_tvb, tree,
2, /* Could store with next_payload, but wouldn't be here otherwise.. */
message_next_payload,
0, tvb_reported_length(defrag_decrypted_isakmp_tvb),
pinfo, message_id, is_request, decr_info);
}
/* Restore this flag */
pinfo->fragmented = save_fragmented;
}
/* End Reassembly stuff for IKE2 fragmentation */
}
static void
dissect_notif(tvbuff_t *tvb, packet_info *pinfo, int offset, int length, proto_tree *tree, int isakmp_version)
{
guint32 doi = 0;
guint8 protocol_id;
guint8 spi_size;
guint16 msgtype;
proto_item *data_item;
proto_tree *data_tree;
int offset_end = 0;
offset_end = offset + length;
if (isakmp_version == 1) {
doi = tvb_get_ntohl(tvb, offset);
proto_tree_add_item(tree, hf_isakmp_notify_doi, tvb, offset, 4, ENC_BIG_ENDIAN);
offset += 4;
length -= 4;
}
protocol_id = tvb_get_guint8(tvb, offset);
if (isakmp_version == 1)
{
proto_tree_add_item(tree, hf_isakmp_notify_protoid_v1, tvb, offset, 1, ENC_BIG_ENDIAN);
}else if (isakmp_version == 2)
{
proto_tree_add_item(tree, hf_isakmp_notify_protoid_v2, tvb, offset, 1, ENC_BIG_ENDIAN);
}
offset += 1;
length -= 1;
spi_size = tvb_get_guint8(tvb, offset);
proto_tree_add_item(tree, hf_isakmp_spisize, tvb, offset, 1, ENC_BIG_ENDIAN);
offset += 1;
length -= 1;
msgtype = tvb_get_ntohs(tvb, offset);
if (isakmp_version == 1)
{
proto_tree_add_item(tree, hf_isakmp_notify_msgtype_v1, tvb, offset, 2, ENC_BIG_ENDIAN);
}else if (isakmp_version == 2)
{
if ((msgtype < 8192) || (msgtype > 16383 && msgtype < 40959 )) {
/* Standard error and status types */
proto_tree_add_uint_format_value(tree, hf_isakmp_notify_msgtype_v2, tvb, offset, 2, msgtype, "%s (%u)",
rval_to_str_const(msgtype, notifmsg_v2_type, "Unknown"), msgtype);
proto_item_append_text(tree, " - %s",
rval_to_str_const(msgtype,
notifmsg_v2_type,
"Unknown"));
} else {
/* Private error and status types */
proto_tree_add_uint_format_value(tree, hf_isakmp_notify_msgtype_v2, tvb, offset, 2, msgtype, "%s (%u)",
rval_to_str_const(msgtype, notifmsg_v2_3gpp_type, "Unknown"), msgtype);
proto_item_append_text(tree, " - %s",
rval_to_str_const(msgtype,
notifmsg_v2_3gpp_type,
"Unknown"));
}
}
offset += 2;
length -= 2;
if (spi_size) {
proto_tree_add_item(tree, hf_isakmp_spi, tvb, offset, spi_size, ENC_NA);
offset += spi_size;
length -= spi_size;
}
/* Notification Data */
data_item = proto_tree_add_item(tree, hf_isakmp_notify_data, tvb, offset, length, ENC_NA);
data_tree = proto_item_add_subtree(data_item, ett_isakmp_notify_data);
if (isakmp_version == 1)
{
switch (msgtype) {
case 24576: /* RESPONDER LIFETIME */
if (protocol_id == 1) {
/* Phase 1 */
while (offset < offset_end) {
offset += dissect_resp_lifetime_ike_attribute(tvb, pinfo, data_tree, offset);
}
} else if (protocol_id > 1 && doi == 1) {
/* Phase 2, IPsec DOI */
while (offset < offset_end) {
offset += dissect_resp_lifetime_ipsec_attribute(tvb, pinfo, data_tree, offset);
}
}
break;
case 36136: /* DPD ARE YOU THERE */
proto_tree_add_item(tree, hf_isakmp_notify_data_dpd_are_you_there, tvb, offset, length, ENC_BIG_ENDIAN);
break;
case 36137: /* DPD ARE YOU THERE ACK */
proto_tree_add_item(tree, hf_isakmp_notify_data_dpd_are_you_there_ack, tvb, offset, length, ENC_BIG_ENDIAN);
break;
case 40501: /* UNITY Load Balance */
proto_tree_add_item(tree, hf_isakmp_notify_data_unity_load_balance, tvb, offset, length, ENC_BIG_ENDIAN);
break;
default:
/* No Default Action */
break;
}
} else if (isakmp_version == 2)
{
switch(msgtype){
case 17: /* INVALID_KE_PAYLOAD */
proto_tree_add_item(tree, hf_isakmp_notify_data_accepted_dh_group, tvb, offset, 2, ENC_BIG_ENDIAN);
break;
case 16387: /* IPCOMP_SUPPORTED */
proto_tree_add_item(tree, hf_isakmp_notify_data_ipcomp_cpi, tvb, offset, 2, ENC_BIG_ENDIAN);
proto_tree_add_item(tree, hf_isakmp_notify_data_ipcomp_transform_id, tvb, offset+2, 1, ENC_BIG_ENDIAN);
break;
case 16403: /* AUTH_LIFETIME" */
{
guint32 hours;
guint32 minutes;
guint32 seconds;
guint32 durations_seconds;
durations_seconds = tvb_get_guint32(tvb, offset, ENC_BIG_ENDIAN);
hours = durations_seconds / 3600;
minutes = (durations_seconds % 3600) / 60;
seconds = (durations_seconds % 3600) % 60;
proto_tree_add_uint_format_value(tree, hf_isakmp_notify_data_auth_lifetime, tvb, offset, length, durations_seconds,
"%u seconds (%u hour(s) %02u minute(s) %02u second(s))", durations_seconds, hours, minutes, seconds);
break;
}
case 16407: /* REDIRECT */
proto_tree_add_item(tree, hf_isakmp_notify_data_redirect_gw_ident_type, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(tree, hf_isakmp_notify_data_redirect_gw_ident_len, tvb, offset+1, 1, ENC_BIG_ENDIAN);
switch(tvb_get_guint8(tvb, offset)){ /* Ident Type ? */
case 1:
proto_tree_add_item(tree, hf_isakmp_notify_data_redirect_new_resp_gw_ident_ipv4, tvb, offset+2, 4, ENC_BIG_ENDIAN);
break;
case 2:
proto_tree_add_item(tree, hf_isakmp_notify_data_redirect_new_resp_gw_ident_ipv6, tvb, offset+2, 16, ENC_NA);
break;
case 3:
proto_tree_add_item(tree, hf_isakmp_notify_data_redirect_new_resp_gw_ident_fqdn, tvb, offset+2, tvb_get_guint8(tvb,offset+1), ENC_ASCII|ENC_NA);
break;
default :
proto_tree_add_item(tree, hf_isakmp_notify_data_redirect_new_resp_gw_ident, tvb, offset+2, tvb_get_guint8(tvb,offset+1), ENC_NA);
break;
}
length -= tvb_get_guint8(tvb, offset+1) + 2;
offset += tvb_get_guint8(tvb, offset+1) + 2;
if(length)
{
proto_tree_add_item(tree, hf_isakmp_notify_data_redirect_nonce_data, tvb, offset, length, ENC_NA);
}
break;
case 16408: /* REDIRECT_FROM */
proto_tree_add_item(tree, hf_isakmp_notify_data_redirect_gw_ident_type, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(tree, hf_isakmp_notify_data_redirect_gw_ident_len, tvb, offset+1, 1, ENC_BIG_ENDIAN);
switch(tvb_get_guint8(tvb, offset)){ /* Ident Type ? */
case 1:
proto_tree_add_item(tree, hf_isakmp_notify_data_redirect_org_resp_gw_ident_ipv4, tvb, offset+2, 4, ENC_BIG_ENDIAN);
break;
case 2:
proto_tree_add_item(tree, hf_isakmp_notify_data_redirect_org_resp_gw_ident_ipv6, tvb, offset+2, 16, ENC_NA);
break;
default :
proto_tree_add_item(tree, hf_isakmp_notify_data_redirect_org_resp_gw_ident, tvb, offset+2, tvb_get_guint8(tvb,offset+1), ENC_NA);
break;
}
break;
case 16409: /* TICKET_LT_OPAQUE */
proto_tree_add_item(tree, hf_isakmp_notify_data_ticket_lifetime, tvb, offset, 4, ENC_BIG_ENDIAN);
offset += 4;
length -= 4;
proto_tree_add_item(tree, hf_isakmp_notify_data_ticket_data, tvb, offset, length, ENC_NA);
break;
case 16413: /* TICKET_OPAQUE */
proto_tree_add_item(tree, hf_isakmp_notify_data_ticket_data, tvb, offset, length, ENC_NA);
break;
case 16416: /* ROHC_SUPPORTED */
while (offset < offset_end) {
offset += dissect_rohc_attribute(tvb, pinfo, tree, offset);
}
break;
case 16419: /* QUICK_CRASH_DETECTION */
proto_tree_add_item(tree, hf_isakmp_notify_data_qcd_token_secret_data, tvb, offset, length, ENC_NA);
break;
case 16422: /* IKEV2_MESSAGE_ID_SYNC */
proto_tree_add_item(tree, hf_isakmp_notify_data_ha_nonce_data, tvb, offset, 4, ENC_BIG_ENDIAN);
offset += 4;
proto_tree_add_item(tree, hf_isakmp_notify_data_ha_expected_send_req_msg_id, tvb, offset, 4, ENC_BIG_ENDIAN);
offset += 4;
proto_tree_add_item(tree, hf_isakmp_notify_data_ha_expected_recv_req_msg_id, tvb, offset, 4, ENC_BIG_ENDIAN);
break;
case 16423: /* IPSEC_REPLAY_COUNTER_SYNC */
proto_tree_add_item(tree, hf_isakmp_notify_data_ha_incoming_ipsec_sa_delta_value, tvb, offset, length, ENC_NA);
break;
case 16424: /* SECURE_PASSWORD_METHODS */
proto_tree_add_item(tree, hf_isakmp_notify_data_secure_password_methods, tvb, offset, length, ENC_NA);
break;
case 16431: /*SIGNATURE_HASH_ALGORITHMS*/
while(offset < offset_end) {
proto_tree_add_item(tree, hf_isakmp_notify_data_signature_hash_algorithms, tvb, offset, 2, ENC_BIG_ENDIAN);
offset += 2;
}
break;
case 41041:
/* private status 3GPP BACKOFF_TIMER*/
proto_tree_add_item(tree, hf_isakmp_notify_data_3gpp_backoff_timer_len, tvb, offset, 1, ENC_BIG_ENDIAN);
offset++;
de_gc_timer3(tvb, tree, pinfo, offset, 1, NULL, 0);
break;
case 41101: /* DEVICE_IDENTITY */
if(length>=3) {
guint64 octet;
guint32 bit_offset;
/* As specified in 3GPP TS 24.302 (Section 8.2.9.2) */
/* Payload Octet 5,6 - Identity length */
proto_tree_add_item(tree, hf_isakmp_notify_data_3gpp_device_identity_len, tvb, offset, 2, ENC_BIG_ENDIAN);
offset += 2;
bit_offset = offset<<3;
bit_offset += 6;
/* Payload Octet 7 - Identity type */
proto_tree_add_bits_ret_val(tree, hf_isakmp_notify_data_3gpp_device_identity_type, tvb, bit_offset, 2, &octet, ENC_LITTLE_ENDIAN);
offset += 1;
length -= 3;
if(length==0) {
break;
}
/* Payload Octet 8-n - Identity value */
switch (octet) {
case 1:
/* IMEI */
proto_tree_add_item(tree, hf_isakmp_notify_data_3gpp_device_identity_imei, tvb, offset, length, ENC_BCD_DIGITS_0_9);
break;
case 2:
/* IMEISV */
proto_tree_add_item(tree, hf_isakmp_notify_data_3gpp_device_identity_imeisv, tvb, offset, length, ENC_BCD_DIGITS_0_9);
break;
default:
proto_tree_add_expert(tree, pinfo, &ei_isakmp_notify_data_3gpp_unknown_device_identity, tvb, offset, length);
break;
}
}
break;
case 41134:
/* private status 3GPP EMERGENCY_CALL_NUMBERS*/
/* If Notify Data is not empty/missing */
if(length>0)
{
/* As specified in 3GPP TS 23.302 (Section 8.1.2.3) and TS 24.008 (Section 10.5.3.13) */
proto_tree *em_call_num_tree;
/* Main Payload Subtree */
em_call_num_tree = proto_tree_add_subtree(tree, tvb, offset, length, ett_isakmp_notify_data_3gpp_emergency_call_numbers_main, NULL, "Emergency Call Numbers");
/* Payload Octet 5 - Length of IE Contents */
proto_tree_add_item(em_call_num_tree, hf_isakmp_notify_data_3gpp_emergency_call_numbers_len, tvb, offset, 1, ENC_BIG_ENDIAN);
offset += 1;
/* Subtree for actual values */
proto_tree *current_emergency_call_number_tree;
while(offset<offset_end){
guint8 current_em_num_len = tvb_get_guint8(tvb,offset)+1; //Total length including octets 3 and 4 for proper highlighting
/* Subtree for elements*/
current_emergency_call_number_tree = proto_tree_add_subtree(em_call_num_tree, tvb, offset, current_em_num_len, ett_isakmp_notify_data_3gpp_emergency_call_numbers_element, NULL, "Emergency Number");
/*IE Octet 3 Number of octets used to encode the Emergency Service Category Value and the Number digits. */
proto_tree_add_item(current_emergency_call_number_tree, hf_isakmp_notify_data_3gpp_emergency_call_numbers_element_len,tvb,offset,1,ENC_BIG_ENDIAN);
offset += 1;
/*IE Octet 4 |Spare=0|Spare=0|Spare=0|Emergency Service Category Value|
* Bits 1 to 5 are coded as bits 1 to 5 of octet 3 of the Service Category
* information element as specified in subclause 10.5.4.33. (TS 24.008)
*/
static int * const isakmp_notify_data_3gpp_emergency_call_numbers_flags[] = {
&hf_isakmp_notify_data_3gpp_emergency_call_numbers_spare,
&hf_isakmp_notify_data_3gpp_emergency_call_numbers_flag_b5_mountain_rescue,
&hf_isakmp_notify_data_3gpp_emergency_call_numbers_flag_b4_marine_guard,
&hf_isakmp_notify_data_3gpp_emergency_call_numbers_flag_b3_fire_brigade,
&hf_isakmp_notify_data_3gpp_emergency_call_numbers_flag_b2_ambulance,
&hf_isakmp_notify_data_3gpp_emergency_call_numbers_flag_b1_police,
NULL
};
proto_tree_add_bitmask_with_flags(current_emergency_call_number_tree, tvb, offset, hf_isakmp_notify_data_3gpp_emergency_call_numbers_flags,
ett_isakmp_notify_data_3gpp_emergency_call_numbers_element, isakmp_notify_data_3gpp_emergency_call_numbers_flags,ENC_BIG_ENDIAN, BMT_NO_FALSE | BMT_NO_INT | BMT_NO_TFS);
offset += 1;
/*IE Octet 5 to j | Digit_N+1 | Digit_N | */
current_em_num_len -= 2; //Not counting octets 3 and 4
proto_tree_add_item(current_emergency_call_number_tree, hf_iskamp_notify_data_3gpp_emergency_call_number, tvb, offset, current_em_num_len, ENC_BCD_DIGITS_0_9);
offset += current_em_num_len; //moving to the next number in the list
}
}
break;
default:
/* No Default Action */
break;
}
}
}
static void
dissect_delete(tvbuff_t *tvb, int offset, int length, proto_tree *tree, int isakmp_version)
{
guint8 spi_size;
if (isakmp_version == 1) {
proto_tree_add_item(tree, hf_isakmp_delete_doi, tvb, offset, 4, ENC_BIG_ENDIAN);
offset += 4;
length -= 4;
}
if (isakmp_version == 1)
{
proto_tree_add_item(tree, hf_isakmp_delete_protoid_v1, tvb, offset, 1, ENC_BIG_ENDIAN);
}else if (isakmp_version == 2)
{
proto_tree_add_item(tree, hf_isakmp_delete_protoid_v2, tvb, offset, 1, ENC_BIG_ENDIAN);
}
offset += 1;
length -= 1;
spi_size = tvb_get_guint8(tvb, offset);
proto_tree_add_item(tree, hf_isakmp_spisize, tvb, offset, 1, ENC_BIG_ENDIAN);
offset += 1;
length -= 1;
proto_tree_add_item(tree, hf_isakmp_num_spis, tvb, offset, 2, ENC_BIG_ENDIAN);
offset += 2;
length -= 2;
if (spi_size > 0) {
while (length > 0) {
proto_tree_add_item(tree, hf_isakmp_delete_spi, tvb, offset, spi_size, ENC_NA);
offset+=spi_size;
length-=spi_size;
}
}
}
static int
dissect_vid(tvbuff_t *tvb, int offset, int length, proto_tree *tree)
{
const guint8 * pVID;
const char * vendorstring;
pVID = tvb_get_ptr(tvb, offset, length);
vendorstring = bytesprefix_to_str(pVID, (size_t)length, vendor_id, "Unknown Vendor ID");
proto_tree_add_item(tree, hf_isakmp_vid_bytes, tvb, offset, length, ENC_NA);
proto_tree_add_string(tree, hf_isakmp_vid_string, tvb, offset, length, vendorstring);
proto_item_append_text(tree," : %s", vendorstring);
/* very old CryptPro/GOST (Check Point R65) VID */
if (length >= 24 && memcmp(pVID, VID_CP_01_R65, 20) == 0)
{
offset += 20;
proto_tree_add_item(tree, hf_isakmp_vid_cp_product, tvb, offset, 4, ENC_BIG_ENDIAN);
offset +=4;
proto_tree_add_item(tree, hf_isakmp_vid_cp_version, tvb, offset, 4, ENC_BIG_ENDIAN);
offset +=4;
proto_tree_add_item(tree, hf_isakmp_vid_cp_timestamp, tvb, offset, 4, ENC_BIG_ENDIAN);
offset +=4;
proto_tree_add_item(tree, hf_isakmp_vid_cp_reserved, tvb, offset, 4, ENC_BIG_ENDIAN);
offset +=4;
proto_tree_add_item(tree, hf_isakmp_vid_cp_features, tvb, offset, 4, ENC_BIG_ENDIAN);
offset +=4;
}
/* Cisco Unity VID */
if (length >= 14 && memcmp(pVID, VID_CISCO_UNITY, 14) == 0)
{
offset += 14;
proto_tree_add_item(tree, hf_isakmp_vid_cisco_unity_major, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_item_append_text(tree, " %u", tvb_get_guint8(tvb,offset));
offset += 1;
proto_tree_add_item(tree, hf_isakmp_vid_cisco_unity_minor, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_item_append_text(tree, ".%u", tvb_get_guint8(tvb,offset));
offset += 1;
}
/* VID_MS_NT5_ISAKMPOAKLEY */
if (length >= 16 && memcmp(pVID, VID_MS_NT5_ISAKMPOAKLEY, 16) == 0)
{
offset += 16;
proto_tree_add_item(tree, hf_isakmp_vid_ms_nt5_isakmpoakley, tvb, offset, 4, ENC_BIG_ENDIAN);
offset += 4;
}
/* VID_ARUBA_VIA_AUTH_PROFILE */
if (length >= 19 && memcmp(pVID, VID_ARUBA_VIA_AUTH_PROFILE, 19) == 0)
{
offset += 19;
proto_tree_add_item(tree, hf_isakmp_vid_aruba_via_auth_profile, tvb, offset, length-19, ENC_ASCII|ENC_NA);
offset += 4;
}
/* VID_FORTIGATE (Fortinet) */
if (length >= 12 && memcmp(pVID, VID_FORTINET_FORTIGATE, 12) == 0)
{
offset += 12;
proto_tree_add_item(tree, hf_isakmp_vid_fortinet_fortigate_release, tvb, offset, 2, ENC_ASCII|ENC_NA);
offset += 2;
proto_tree_add_item(tree, hf_isakmp_vid_fortinet_fortigate_build, tvb, offset, 2, ENC_ASCII|ENC_NA);
offset += 2;
}
return offset;
}
/* Returns the number of bytes consumed by this attribute. */
static int
dissect_config_attribute(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, int isakmp_version, gboolean is_request)
{
const range_string *vs_cfgattr;
guint headerlen, value_len, attr_type;
proto_item *attr_item;
proto_tree *attr_tree;
guint i;
const guint8* str;
if (isakmp_version == 1) {
vs_cfgattr = vs_v1_cfgattr;
hf_isakmp_cfg_attr.type = hf_isakmp_cfg_attr_type_v1;
} else if (isakmp_version == 2) {
vs_cfgattr = vs_v2_cfgattr;
hf_isakmp_cfg_attr.type = hf_isakmp_cfg_attr_type_v2;
} else {
/* Fail gracefully in case of an unsupported isakmp_version. */
return 4;
}
dissect_attribute_header(tvb, tree, offset,
hf_isakmp_cfg_attr, vs_cfgattr,
&headerlen, &value_len, &attr_type,
&attr_item, &attr_tree);
offset += headerlen;
if (value_len == 0)
{
/* Don't complain about zero length if part of a config request - values will be assigned and included in the response message */
if (!is_request) {
expert_add_info(pinfo, attr_item, &ei_isakmp_attribute_value_empty);
}
return headerlen;
}
switch (attr_type) {
case INTERNAL_IP4_ADDRESS: /* 1 */
if (value_len % 4 == 0)
{
for (i = 0; i < value_len / 4; i++)
{
proto_tree_add_item(attr_tree, hf_isakmp_cfg_attr_internal_ip4_address, tvb, offset, 4, ENC_BIG_ENDIAN);
offset += 4;
}
}
break;
case INTERNAL_IP4_NETMASK: /* 2 */
proto_tree_add_item(attr_tree, hf_isakmp_cfg_attr_internal_ip4_netmask, tvb, offset, 4, ENC_BIG_ENDIAN);
break;
case INTERNAL_IP4_DNS: /* 3 */
if (value_len % 4 == 0)
{
for (i = 0; i < value_len / 4; i++)
{
proto_tree_add_item(attr_tree, hf_isakmp_cfg_attr_internal_ip4_dns, tvb, offset, 4, ENC_BIG_ENDIAN);
offset += 4;
}
}
break;
case INTERNAL_IP4_NBNS: /* 4 */
if (value_len % 4 == 0)
{
for (i = 0; i < value_len / 4; i++)
{
proto_tree_add_item(attr_tree, hf_isakmp_cfg_attr_internal_ip4_nbns, tvb, offset, 4, ENC_BIG_ENDIAN);
offset += 4;
}
}
break;
case INTERNAL_ADDRESS_EXPIRY: /* 5 */
proto_tree_add_item(attr_tree, hf_isakmp_cfg_attr_internal_address_expiry, tvb, offset, 4, ENC_BIG_ENDIAN);
break;
case INTERNAL_IP4_DHCP: /* 6 */
if (value_len % 4 == 0)
{
for (i = 0; i < value_len / 4; i++)
{
proto_tree_add_item(attr_tree, hf_isakmp_cfg_attr_internal_ip4_dhcp, tvb, offset, 4, ENC_BIG_ENDIAN);
offset += 4;
}
}
break;
case APPLICATION_VERSION: /* 7 */
proto_tree_add_item_ret_string(attr_tree, hf_isakmp_cfg_attr_application_version, tvb, offset, value_len, ENC_ASCII|ENC_NA, pinfo->pool, &str);
proto_item_append_text(attr_item, ": %s", str);
break;
case INTERNAL_IP6_ADDRESS: /* 8 */
if (value_len % 17 == 0)
{
for (i = 0; i < value_len / 17; i++)
{
proto_tree_add_item(attr_tree, hf_isakmp_cfg_attr_internal_ip6_address_ip, tvb, offset, 16, ENC_NA);
offset += 16;
proto_tree_add_item(attr_tree, hf_isakmp_cfg_attr_internal_ip6_address_prefix, tvb, offset, 1, ENC_BIG_ENDIAN);
offset += 1;
}
}
break;
case INTERNAL_IP6_NETMASK: /* 9 Only in IKEv1 */
proto_tree_add_item(attr_tree, hf_isakmp_cfg_attr_internal_ip6_netmask, tvb, offset, 18, ENC_NA);
break;
case INTERNAL_IP6_DNS: /* 10 */
if (value_len % 16 == 0)
{
for (i = 0; i < value_len / 16; i++)
{
proto_tree_add_item(attr_tree, hf_isakmp_cfg_attr_internal_ip6_dns, tvb, offset, 16, ENC_NA);
offset += 16;
}
}
break;
case INTERNAL_IP6_NBNS: /* 11 */
if (value_len % 16 == 0)
{
for (i = 0; i < value_len / 16; i++)
{
proto_tree_add_item(attr_tree, hf_isakmp_cfg_attr_internal_ip6_nbns, tvb, offset, 16, ENC_NA);
offset += 16;
}
}
break;
case INTERNAL_IP6_DHCP: /* 12 */
if (value_len % 16 == 0)
{
for (i = 0; i < value_len / 16; i++)
{
proto_tree_add_item(attr_tree, hf_isakmp_cfg_attr_internal_ip6_dhcp, tvb, offset, 16, ENC_NA);
offset += 16;
}
}
break;
case INTERNAL_IP4_SUBNET: /* 13 */
if (value_len % 8 == 0)
{
for (i = 0; i < value_len / 8; i++)
{
proto_tree_add_item(attr_tree, hf_isakmp_cfg_attr_internal_ip4_subnet_ip, tvb, offset, 4, ENC_BIG_ENDIAN);
offset += 4;
proto_tree_add_item(attr_tree, hf_isakmp_cfg_attr_internal_ip4_subnet_netmask, tvb, offset, 4, ENC_BIG_ENDIAN);
offset += 4;
}
}
break;
case SUPPORTED_ATTRIBUTES: /* 14 */
if (value_len % 2 == 0)
{
for (i = 0; i < value_len / 2; i++)
{
proto_tree_add_item(attr_tree, hf_isakmp_cfg_attr_supported_attributes, tvb, offset, 2, ENC_BIG_ENDIAN);
offset += 2;
}
}
break;
case INTERNAL_IP6_SUBNET: /* 15 */
if (value_len % 17 == 0)
{
for (i = 0; i < value_len / 17; i++)
{
proto_tree_add_item(attr_tree, hf_isakmp_cfg_attr_internal_ip6_subnet_ip, tvb, offset, 16, ENC_NA);
offset += 16;
proto_tree_add_item(attr_tree, hf_isakmp_cfg_attr_internal_ip6_subnet_prefix, tvb, offset, 1, ENC_BIG_ENDIAN);
offset += 1;
}
}
break;
case INTERNAL_IP6_LINK: /* 17 */
proto_tree_add_item(attr_tree, hf_isakmp_cfg_attr_internal_ip6_link_interface, tvb, offset, 8, ENC_BIG_ENDIAN);
offset += 8;
proto_tree_add_item(attr_tree, hf_isakmp_cfg_attr_internal_ip6_link_id, tvb, offset, value_len - 8, ENC_NA);
break;
case INTERNAL_IP6_PREFIX: /* 18 */
if (value_len % 17 == 0)
{
for (i = 0; i < value_len / 17; i++)
{
proto_tree_add_item(attr_tree, hf_isakmp_cfg_attr_internal_ip6_prefix_ip, tvb, offset, 16, ENC_NA);
offset += 16;
proto_tree_add_item(attr_tree, hf_isakmp_cfg_attr_internal_ip6_prefix_length, tvb, offset, 1, ENC_BIG_ENDIAN);
offset += 1;
}
}
break;
case P_CSCF_IP4_ADDRESS: /* 20 */
if (value_len % 4 == 0)
{
for (i = 0; i < value_len / 4; i++)
{
proto_tree_add_item(attr_tree, hf_isakmp_cfg_attr_p_cscf_ip4_address, tvb, offset, 4, ENC_BIG_ENDIAN);
offset += 4;
}
}
break;
case P_CSCF_IP6_ADDRESS: /* 21 */
if (value_len % 16 == 0)
{
for (i = 0; i < value_len / 16; i++)
{
proto_tree_add_item(attr_tree, hf_isakmp_cfg_attr_p_cscf_ip6_address, tvb, offset, 16, ENC_NA);
offset += 16;
}
}
break;
case XAUTH_TYPE: /* 16520 */
proto_tree_add_item(attr_tree, hf_isakmp_cfg_attr_xauth_type, tvb, offset, value_len, ENC_BIG_ENDIAN);
proto_item_append_text(attr_item, ": %s", rval_to_str(tvb_get_ntohs(tvb, offset), cfgattr_xauth_type, "Unknown %d"));
break;
case XAUTH_USER_NAME: /* 16521 */
proto_tree_add_item_ret_string(attr_tree, hf_isakmp_cfg_attr_xauth_user_name, tvb, offset, value_len, ENC_ASCII|ENC_NA, pinfo->pool, &str);
proto_item_append_text(attr_item, ": %s", str);
break;
case XAUTH_USER_PASSWORD: /* 16522 */
proto_tree_add_item_ret_string(attr_tree, hf_isakmp_cfg_attr_xauth_user_password, tvb, offset, value_len, ENC_ASCII|ENC_NA, pinfo->pool, &str);
proto_item_append_text(attr_item, ": %s", str);
break;
case XAUTH_PASSCODE: /* 16523 */
proto_tree_add_item_ret_string(attr_tree, hf_isakmp_cfg_attr_xauth_passcode, tvb, offset, value_len, ENC_ASCII|ENC_NA, pinfo->pool, &str);
proto_item_append_text(attr_item, ": %s", str);
break;
case XAUTH_MESSAGE: /* 16524 */
proto_tree_add_item_ret_string(attr_tree, hf_isakmp_cfg_attr_xauth_message, tvb, offset, value_len, ENC_ASCII|ENC_NA, pinfo->pool, &str);
proto_item_append_text(attr_item, ": %s", str);
break;
case XAUTH_CHALLENGE: /* 16525 */
proto_tree_add_item_ret_string(attr_tree, hf_isakmp_cfg_attr_xauth_challenge, tvb, offset, value_len, ENC_ASCII|ENC_NA, pinfo->pool, &str);
proto_item_append_text(attr_item, ": %s", str);
break;
case XAUTH_DOMAIN: /* 16526 */
proto_tree_add_item_ret_string(attr_tree, hf_isakmp_cfg_attr_xauth_domain, tvb, offset, value_len, ENC_ASCII|ENC_NA, pinfo->pool, &str);
proto_item_append_text(attr_item, ": %s", str);
break;
case XAUTH_STATUS: /* 16527 */
proto_tree_add_item(attr_tree, hf_isakmp_cfg_attr_xauth_status, tvb, offset, value_len, ENC_BIG_ENDIAN);
proto_item_append_text(attr_item, ": %s", val_to_str(tvb_get_ntohs(tvb, offset), cfgattr_xauth_status, "Unknown %d"));
break;
case XAUTH_NEXT_PIN: /* 16528 */
proto_tree_add_item_ret_string(attr_tree, hf_isakmp_cfg_attr_xauth_next_pin, tvb, offset, value_len, ENC_ASCII|ENC_NA, pinfo->pool, &str);
proto_item_append_text(attr_item, ": %s", str);
break;
case XAUTH_ANSWER: /* 16527 */
proto_tree_add_item_ret_string(attr_tree, hf_isakmp_cfg_attr_xauth_answer, tvb, offset, value_len, ENC_ASCII|ENC_NA, pinfo->pool, &str);
proto_item_append_text(attr_item, ": %s", str);
break;
case UNITY_BANNER: /* 28672 */
proto_tree_add_item_ret_string(attr_tree, hf_isakmp_cfg_attr_unity_banner, tvb, offset, value_len, ENC_ASCII|ENC_NA, pinfo->pool, &str);
proto_item_append_text(attr_item, ": %s", str);
break;
case UNITY_DEF_DOMAIN: /* 28674 */
proto_tree_add_item_ret_string(attr_tree, hf_isakmp_cfg_attr_unity_def_domain, tvb, offset, value_len, ENC_ASCII|ENC_NA, pinfo->pool, &str);
proto_item_append_text(attr_item, ": %s", str);
break;
/* TODO: Support other UNITY Attributes ! */
default:
/* No Default Action */
break;
}
return headerlen + value_len;
}
static void
dissect_config(tvbuff_t *tvb, packet_info *pinfo, int offset, int length, proto_tree *tree, int isakmp_version, gboolean is_request)
{
int offset_end = 0;
offset_end = offset + length;
if (isakmp_version == 1) {
proto_tree_add_item(tree, hf_isakmp_cfg_type_v1,tvb, offset, 1, ENC_BIG_ENDIAN);
offset += 1;
proto_tree_add_item(tree, hf_isakmp_reserved, tvb, offset, 1, ENC_NA);
offset += 1;
proto_tree_add_item(tree, hf_isakmp_cfg_identifier, tvb, offset, 2, ENC_BIG_ENDIAN);
offset += 2;
} else if (isakmp_version == 2) {
proto_tree_add_item(tree, hf_isakmp_cfg_type_v2,tvb, offset, 1, ENC_BIG_ENDIAN);
offset += 1;
proto_tree_add_item(tree, hf_isakmp_reserved, tvb, offset, 3, ENC_NA);
offset += 3;
} else {
/* Skip attribute dissection for unknown IKE versions. */
return;
}
while (offset < offset_end) {
offset += dissect_config_attribute(tvb, pinfo, tree, offset, isakmp_version, is_request);
}
}
static void
dissect_sa_kek(tvbuff_t *tvb, packet_info *pinfo _U_, int offset, int length, proto_tree *tree)
{
int payload_end = 0;
guint32 src_id_length, dst_id_length;
guint8 next_payload;
guint16 payload_length;
next_payload = tvb_get_guint8(tvb, offset);
payload_length = tvb_get_ntohs(tvb, offset + 2);
payload_end = offset + payload_length;
proto_tree_add_item(tree, hf_isakmp_sak_next_payload, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(tree, hf_isakmp_sak_reserved, tvb, offset+1, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(tree, hf_isakmp_sak_payload_len, tvb, offset+2, 2, ENC_BIG_ENDIAN);
offset += 4;
proto_tree_add_item(tree, hf_isakmp_sak_protocol, tvb, offset, 1, ENC_BIG_ENDIAN);
offset += 1;
proto_tree_add_item(tree, hf_isakmp_sak_src_id_type, tvb, offset, 1, ENC_BIG_ENDIAN);
offset += 1;
proto_tree_add_item(tree, hf_isakmp_sak_src_id_port, tvb, offset, 2, ENC_BIG_ENDIAN);
offset += 2;
proto_tree_add_item_ret_uint(tree, hf_isakmp_sak_src_id_length, tvb, offset, 1, ENC_BIG_ENDIAN, &src_id_length);
offset += 1;
if (src_id_length > 0) {
proto_tree_add_item(tree, hf_isakmp_sak_src_id_data, tvb, offset, src_id_length, ENC_NA);
offset += src_id_length;
}
proto_tree_add_item(tree, hf_isakmp_sak_dst_id_type, tvb, offset, 1, ENC_BIG_ENDIAN);
offset += 1;
proto_tree_add_item(tree, hf_isakmp_sak_dst_id_port, tvb, offset, 2, ENC_BIG_ENDIAN);
offset += 2;
proto_tree_add_item_ret_uint(tree, hf_isakmp_sak_dst_id_length, tvb, offset, 1, ENC_BIG_ENDIAN, &dst_id_length);
offset += 1;
if (dst_id_length > 0) {
proto_tree_add_item(tree, hf_isakmp_sak_dst_id_data, tvb, offset, dst_id_length, ENC_NA);
offset += dst_id_length;
}
proto_tree_add_item(tree, hf_isakmp_sak_spi, tvb, offset, 16, ENC_NA);
offset += 16;
proto_tree_add_item(tree, hf_isakmp_reserved, tvb, offset, 4, ENC_NA);
offset += 4;
while (offset < payload_end) {
offset += dissect_ipsec_attribute(tvb, pinfo, tree, offset);
}
if(PLOAD_IKE_SAT == next_payload)
{
dissect_sa_tek(tvb, pinfo, offset, length, tree);
}
/* GAP payload could also be here*/
}
static void
dissect_sa_tek(tvbuff_t *tvb, packet_info *pinfo _U_, int offset, int length, proto_tree *tree)
{
int offset_end = 0, payload_end=0;
guint32 protocol_id, src_id_length, dst_id_length;
offset_end = offset + length;
guint8 next_payload, id_type;
guint16 payload_length;
proto_item * ti;
proto_item * ntree;
proto_item * idit;
proto_tree * idtree;
next_payload = tvb_get_guint8(tvb, offset);
payload_length = tvb_get_ntohs(tvb, offset + 2);
payload_end = offset + payload_length;
ti = proto_tree_add_uint(tree, hf_isakmp_typepayload, tvb, offset, payload_length, PLOAD_IKE_SAT);
ntree = proto_item_add_subtree(ti, ett_isakmp_payload);
proto_tree_add_item(ntree, hf_isakmp_sat_next_payload, tvb, offset, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(ntree, hf_isakmp_sat_reserved, tvb, offset+1, 1, ENC_BIG_ENDIAN);
proto_tree_add_item(ntree, hf_isakmp_sat_payload_len, tvb, offset+2, 2, ENC_BIG_ENDIAN);
offset += 4;
proto_tree_add_item_ret_uint(ntree, hf_isakmp_sat_protocol_id, tvb, offset, 1, ENC_BIG_ENDIAN, &protocol_id);
offset += 1;
if (protocol_id == 1 || protocol_id == 2) {
proto_tree_add_item(ntree, hf_isakmp_sat_protocol, tvb, offset, 1, ENC_BIG_ENDIAN);
offset += 1;
id_type = tvb_get_guint8(tvb, offset);
proto_tree_add_item(ntree, hf_isakmp_sat_src_id_type, tvb, offset, 1, ENC_BIG_ENDIAN);
offset += 1;
proto_tree_add_item(ntree, hf_isakmp_sat_src_id_port, tvb, offset, 2, ENC_BIG_ENDIAN);
offset += 2;
proto_tree_add_item_ret_uint(ntree, hf_isakmp_sat_src_id_length, tvb, offset, 2, ENC_BIG_ENDIAN, &src_id_length);
offset += 2;
if (src_id_length > 0) {
idit = proto_tree_add_item(ntree, hf_isakmp_sat_src_id_data, tvb, offset, src_id_length, ENC_NA);
idtree = proto_item_add_subtree(idit, ett_isakmp_id);
dissect_id_type(tvb, offset, src_id_length, id_type, idtree, idit, pinfo);
offset += src_id_length;
}
id_type = tvb_get_guint8(tvb, offset);
proto_tree_add_item(ntree, hf_isakmp_sat_dst_id_type, tvb, offset, 1, ENC_BIG_ENDIAN);
offset += 1;
proto_tree_add_item(ntree, hf_isakmp_sat_dst_id_port, tvb, offset, 2, ENC_BIG_ENDIAN);
offset += 2;
proto_tree_add_item_ret_uint(ntree, hf_isakmp_sat_dst_id_length, tvb, offset, 2, ENC_BIG_ENDIAN, &dst_id_length);
offset += 2;
if (dst_id_length > 0) {
idit = proto_tree_add_item(ntree, hf_isakmp_sat_dst_id_data, tvb, offset, dst_id_length, ENC_NA);
idtree = proto_item_add_subtree(idit, ett_isakmp_id);
dissect_id_type(tvb, offset, dst_id_length, id_type, idtree, idit, pinfo);
offset += dst_id_length;
}
proto_tree_add_item(ntree, hf_isakmp_sat_transform_id, tvb, offset, 1, ENC_BIG_ENDIAN);
offset += 1;
proto_tree_add_item(ntree, hf_isakmp_sat_spi, tvb, offset, 4, ENC_NA);
offset += 4;
while (offset < payload_end) {
offset += dissect_ipsec_attribute(tvb, pinfo, ntree, offset);
}
if(PLOAD_IKE_SAT == next_payload)
{
dissect_sa_tek(tvb, pinfo, offset, length, tree);
}
} else {
proto_tree_add_item(ntree, hf_isakmp_sat_payload, tvb, offset, offset_end - offset, ENC_NA);
}
}
/* Returns the number of bytes consumed by this attribute. */
static int
dissect_tek_key_attribute(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset)
{
guint headerlen, value_len, attr_type;
proto_item *attr_item;
proto_tree *attr_tree;
dissect_attribute_header(tvb, tree, offset,
hf_isakmp_tek_key_attr, tek_key_attr_type,
&headerlen, &value_len, &attr_type,
&attr_item, &attr_tree);
if (value_len == 0)
{
expert_add_info(pinfo, attr_item, &ei_isakmp_attribute_value_empty);
return headerlen;
}
return headerlen + value_len;
}
static void
dissect_key_download(tvbuff_t *tvb, packet_info *pinfo _U_, int offset, int length, proto_tree *tree, int isakmp_version)
{
int offset_end = 0, payload_end=0;
guint32 num_key_pkt, kdp_length, kdp_spi_size;
proto_item *kd_item;
proto_tree *payload_tree;
offset_end = offset + length;
if (isakmp_version == 1) {
proto_tree_add_item_ret_uint(tree, hf_isakmp_kd_num_key_pkt, tvb, offset, 2, ENC_BIG_ENDIAN, &num_key_pkt);
offset += 2;
proto_tree_add_item(tree, hf_isakmp_reserved, tvb, offset, 2, ENC_NA);
offset += 2;
while ((num_key_pkt > 0) && (offset_end > offset)) {
kd_item = proto_tree_add_item(tree, hf_isakmp_kd_payload, tvb, offset, tvb_get_ntohs(tvb, offset + 2), ENC_NA);
payload_tree = proto_item_add_subtree(kd_item, ett_isakmp_kd);
proto_tree_add_item(payload_tree, hf_isakmp_kdp_type, tvb, offset, 1, ENC_BIG_ENDIAN);
offset += 1;
proto_tree_add_item(payload_tree, hf_isakmp_reserved, tvb, offset, 1, ENC_NA);
offset += 1;
proto_tree_add_item_ret_uint(payload_tree, hf_isakmp_kdp_length, tvb, offset, 2, ENC_BIG_ENDIAN, &kdp_length);
payload_end = offset + kdp_length -2;
offset += 2;
proto_tree_add_item_ret_uint(payload_tree, hf_isakmp_kdp_spi_size, tvb, offset, 1, ENC_BIG_ENDIAN, &kdp_spi_size);
offset += 1;
if (kdp_spi_size > 0) {
proto_tree_add_item(payload_tree, hf_isakmp_kdp_spi, tvb, offset, kdp_spi_size, ENC_NA);
offset += kdp_spi_size;
}
while (offset < payload_end) {
offset += dissect_tek_key_attribute(tvb, pinfo, payload_tree, offset);
}
num_key_pkt -= 1;
}
} else {
/* TODO: For IKEv2: currently only draft status: draft-yeung-g-ikev2-15 */
/* Skip dissection for unknown IKE versions. */
return;
}
}
static void
dissect_sequence(tvbuff_t *tvb, packet_info *pinfo, int offset, int length, proto_tree *tree)
{
if (length != 4) {
proto_tree_add_expert_format(tree, pinfo, &ei_isakmp_payload_bad_length, tvb, 0, 0,
"Payload (bogus, length is %u, should be 4", length);
return;
}
proto_tree_add_item(tree, hf_isakmp_seq_seq, tvb, offset, 4, ENC_BIG_ENDIAN);
}
static void
dissect_nat_discovery(tvbuff_t *tvb, int offset, int length, proto_tree *tree )
{
proto_tree_add_item(tree, hf_isakmp_nat_hash, tvb, offset, length, ENC_NA);
}
static void
dissect_nat_original_address(tvbuff_t *tvb, int offset, int length _U_, proto_tree *tree, int isakmp_version)
{
guint8 id_type;
id_type = tvb_get_guint8(tvb, offset);
if (isakmp_version == 1)
{
proto_tree_add_item(tree, hf_isakmp_id_type_v1, tvb, offset, 1, ENC_BIG_ENDIAN);
}else if (isakmp_version == 2)
{
proto_tree_add_item(tree, hf_isakmp_id_type_v2, tvb, offset, 1, ENC_BIG_ENDIAN);
}
offset += 1;
offset += 3; /* reserved */
switch (id_type) {
case IKE_ID_IPV4_ADDR:
proto_tree_add_item(tree, hf_isakmp_nat_original_address_ipv4, tvb, offset, 4, ENC_BIG_ENDIAN);
break;
case IKE_ID_IPV6_ADDR:
proto_tree_add_item(tree, hf_isakmp_nat_original_address_ipv6, tvb, offset, 16, ENC_NA);
break;
default:
break;
}
}
static int
dissect_ts(tvbuff_t *tvb, int offset, proto_tree *payload_tree)
{
guint8 tstype, protocol_id;
guint16 len;
proto_item *ts_item;
proto_tree *tree;
const gchar *ts_typename;
len = tvb_get_guint16(tvb, offset + 2, ENC_BIG_ENDIAN);
if (len < 4)
return 4;
ts_item = proto_tree_add_item(payload_tree, hf_isakmp_ts_data, tvb, offset, len, ENC_NA);
tree = proto_item_add_subtree(ts_item, ett_isakmp_ts);
tstype = tvb_get_guint8(tvb, offset);
proto_tree_add_item(tree, hf_isakmp_ts_type, tvb, offset, 1, ENC_BIG_ENDIAN);
ts_typename = rval_to_str(tstype, traffic_selector_type, "Unknown Type (%d)");
proto_item_append_text(ts_item, ": %s", ts_typename);
offset += 1;
switch (tstype) {
case IKEV2_TS_IPV4_ADDR_RANGE:
protocol_id = tvb_get_guint8(tvb, offset);
if (protocol_id == 0)
proto_tree_add_uint_format_value(tree, hf_isakmp_ts_protoid, tvb, offset,1,
protocol_id, "Unused");
else
proto_tree_add_item(tree, hf_isakmp_ts_protoid, tvb, offset, 1, ENC_BIG_ENDIAN);
offset += 1;
proto_tree_add_item(tree, hf_isakmp_ts_selector_length, tvb, offset, 2, ENC_BIG_ENDIAN);
offset += 2;
proto_tree_add_item(tree, hf_isakmp_ts_start_port, tvb, offset, 2, ENC_BIG_ENDIAN);
offset += 2;
proto_tree_add_item(tree, hf_isakmp_ts_end_port, tvb, offset, 2, ENC_BIG_ENDIAN);
offset += 2;
proto_tree_add_item(tree, hf_isakmp_ts_start_addr_ipv4, tvb, offset, 4, ENC_BIG_ENDIAN);
offset += 4;
proto_tree_add_item(tree, hf_isakmp_ts_end_addr_ipv4, tvb, offset, 4, ENC_BIG_ENDIAN);
break;
case IKEV2_TS_IPV6_ADDR_RANGE:
protocol_id = tvb_get_guint8(tvb, offset);
if (protocol_id == 0)
proto_tree_add_uint_format_value(tree, hf_isakmp_ts_protoid, tvb, offset,1,
protocol_id, "Unused");
else
proto_tree_add_item(tree, hf_isakmp_ts_protoid, tvb, offset, 1, ENC_BIG_ENDIAN);
offset += 1;
proto_tree_add_item(tree, hf_isakmp_ts_selector_length, tvb, offset, 2, ENC_BIG_ENDIAN);
offset += 2;
proto_tree_add_item(tree, hf_isakmp_ts_start_port, tvb, offset, 2, ENC_BIG_ENDIAN);
offset += 2;
proto_tree_add_item(tree, hf_isakmp_ts_end_port, tvb, offset, 2, ENC_BIG_ENDIAN);
offset += 2;
proto_tree_add_item(tree, hf_isakmp_ts_start_addr_ipv6, tvb, offset, 16, ENC_NA);
offset += 16;
proto_tree_add_item(tree, hf_isakmp_ts_end_addr_ipv6, tvb, offset, 16, ENC_NA);
break;
case IKEV2_TS_FC_ADDR_RANGE:
proto_tree_add_item(tree, hf_isakmp_reserved, tvb, offset, 1, ENC_NA);
offset += 1;
proto_tree_add_item(tree, hf_isakmp_ts_selector_length, tvb, offset, 2, ENC_BIG_ENDIAN);
offset += 2;
proto_tree_add_item(tree, hf_isakmp_reserved, tvb, offset, 1, ENC_NA);
offset += 1;
proto_tree_add_item(tree, hf_isakmp_ts_start_addr_fc, tvb, offset, 3, ENC_BIG_ENDIAN);
offset += 3;
proto_tree_add_item(tree, hf_isakmp_reserved, tvb, offset, 1, ENC_NA);
offset += 1;
proto_tree_add_item(tree, hf_isakmp_ts_end_addr_fc, tvb, offset, 3, ENC_BIG_ENDIAN);
offset += 3;
proto_tree_add_item(tree, hf_isakmp_ts_start_r_ctl, tvb, offset, 1, ENC_BIG_ENDIAN);
offset += 1;
proto_tree_add_item(tree, hf_isakmp_ts_end_r_ctl, tvb, offset, 1, ENC_BIG_ENDIAN);
offset += 1;
proto_tree_add_item(tree, hf_isakmp_ts_start_type, tvb, offset, 1, ENC_BIG_ENDIAN);
offset += 1;
proto_tree_add_item(tree, hf_isakmp_ts_end_type, tvb, offset, 1, ENC_BIG_ENDIAN);
break;
}
return len;
}
static void
dissect_ts_payload(tvbuff_t *tvb, int offset, int length, proto_tree *tree)
{
guint8 num;
int offset_end = offset + length;
num = tvb_get_guint8(tvb, offset);
proto_item_append_text(tree," # %d", num);
proto_tree_add_item(tree, hf_isakmp_ts_number_of_ts, tvb, offset, 1, ENC_BIG_ENDIAN);
offset += 1;
proto_tree_add_item(tree, hf_isakmp_reserved, tvb, offset, 3, ENC_NA);
offset += 3;
while (offset < offset_end) {
offset += dissect_ts(tvb, offset, tree);
}
}
/* For IKEv2, decrypt payload if necessary and dissect using inner_payload */
/* For RFC 7383 reassembly, only need decrypted payload, so don't set dissect_payload_now .*/
/* TODO: rename? */
static tvbuff_t*
dissect_enc(tvbuff_t *tvb,
int offset,
int length,
proto_tree *tree,
packet_info *pinfo,
guint8 inner_payload,
gboolean is_request,
void* decr_info,
gboolean dissect_payload_now)
{
ikev2_decrypt_data_t *key_info = NULL;
gint iv_len, encr_data_len, icd_len, decr_data_len, md_len, icv_len, encr_key_len, encr_iv_len;
guint8 pad_len;
guchar *iv = NULL, *encr_data = NULL, *decr_data = NULL, *entire_message = NULL, *md = NULL, *encr_iv = NULL;
gcry_cipher_hd_t cipher_hd;
gcry_md_hd_t md_hd;
gcry_error_t err = 0;
proto_item *item = NULL, *icd_item = NULL, *encr_data_item = NULL, *padlen_item = NULL, *iv_item = NULL;
tvbuff_t *decr_tvb = NULL;
gint payloads_len;
proto_tree *decr_tree = NULL, *decr_payloads_tree = NULL;
#ifdef HAVE_LIBGCRYPT_AEAD
guchar *aa_data = NULL, *icv_data = NULL;
gint aad_len = 0;
#endif
if (decr_info) {
/* Need decryption details to know field lengths. */
key_info = (ikev2_decrypt_data_t*)(decr_info);
/* Check if encr/auth specs are set properly (if for some case not, wireshark would crash) */
if (!key_info->encr_spec || !key_info->auth_spec) {
REPORT_DISSECTOR_BUG("IKEv2: decryption/integrity specs not set-up properly: encr_spec: %p, auth_spec: %p",
(void *)key_info->encr_spec, (void*)key_info->auth_spec);
}
iv_len = key_info->encr_spec->iv_len;
icv_len = key_info->encr_spec->icv_len;
icd_len = icv_len ? icv_len : (gint)key_info->auth_spec->trunc_len;
encr_data_len = length - iv_len - icd_len;
encr_key_len = key_info->encr_spec->key_len;
encr_iv_len = iv_len;
/*
* Zero or negative length of encrypted data shows that the user specified
* wrong encryption algorithm and/or authentication algorithm.
*/
if (encr_data_len <= 0) {
proto_tree_add_expert(tree, pinfo, &ei_isakmp_enc_iv, tvb, offset, length);
return NULL;
}
/*
* Add the IV to the tree and store it in a packet scope buffer for later decryption
* if the specified encryption algorithm uses IV.
*/
if (iv_len) {
if (dissect_payload_now) {
iv_item = proto_tree_add_item(tree, hf_isakmp_enc_iv, tvb, offset, iv_len, ENC_NA);
proto_item_append_text(iv_item, " (%d bytes)", iv_len);
}
iv = (guchar *)tvb_memdup(pinfo->pool, tvb, offset, iv_len);
encr_iv = iv;
offset += iv_len;
}
/*
* Add the encrypted portion to the tree and store it in a packet scope buffer for later decryption.
*/
if (dissect_payload_now) {
encr_data_item = proto_tree_add_item(tree, hf_isakmp_enc_data, tvb, offset, encr_data_len, ENC_NA);
proto_item_append_text(encr_data_item, " (%d bytes)",encr_data_len);
proto_item_append_text(encr_data_item, " <%s>", val_to_str(key_info->encr_spec->number, vs_ikev2_encr_algs, "Unknown cipher: %d"));
}
encr_data = (guchar *)tvb_memdup(pinfo->pool, tvb, offset, encr_data_len);
offset += encr_data_len;
/*
* Add the ICD (Integrity Checksum Data) to the tree before decryption to ensure
* the ICD be displayed even if the decryption fails.
*/
if (icd_len) {
icd_item = proto_tree_add_item(tree, hf_isakmp_enc_icd, tvb, offset, icd_len, ENC_NA);
proto_item_append_text(icd_item, " (%d bytes)",icd_len);
/*
* Recalculate ICD value if the specified authentication algorithm allows it.
*/
#ifdef HAVE_LIBGCRYPT_AEAD
if (icv_len) {
/* For GCM/CCM algorithms ICD is computed during decryption.
Must save offset and length of authenticated additional data (whole ISAKMP header
without iv and encrypted data) and ICV for later verification */
aad_len = offset - iv_len - encr_data_len;
aa_data = (guchar *)tvb_memdup(pinfo->pool, tvb, 0, aad_len);
icv_data = (guchar *)tvb_memdup(pinfo->pool, tvb, offset, icv_len);
} else
#endif
if (key_info->auth_spec->gcry_alg) {
proto_item_append_text(icd_item, " <%s>", val_to_str(key_info->auth_spec->number, vs_ikev2_auth_algs, "Unknown mac algo: %d"));
err = gcry_md_open(&md_hd, key_info->auth_spec->gcry_alg, key_info->auth_spec->gcry_flag);
if (err) {
REPORT_DISSECTOR_BUG("IKEv2 hashing error: algorithm %d: gcry_md_open failed: %s",
key_info->auth_spec->gcry_alg, gcry_strerror(err));
}
err = gcry_md_setkey(md_hd, key_info->auth_key, key_info->auth_spec->key_len);
if (err) {
gcry_md_close(md_hd);
REPORT_DISSECTOR_BUG("IKEv2 hashing error: algorithm %s, key length %u: gcry_md_setkey failed: %s",
gcry_md_algo_name(key_info->auth_spec->gcry_alg), key_info->auth_spec->key_len, gcry_strerror(err));
}
/* Calculate hash over the bytes from the beginning of the ISAKMP header to the right before the ICD. */
entire_message = (guchar *)tvb_memdup(pinfo->pool, tvb, 0, offset);
gcry_md_write(md_hd, entire_message, offset);
md = gcry_md_read(md_hd, 0);
md_len = gcry_md_get_algo_dlen(key_info->auth_spec->gcry_alg);
if (md_len < icd_len) {
gcry_md_close(md_hd);
REPORT_DISSECTOR_BUG("IKEv2 hashing error: algorithm %s: gcry_md_get_algo_dlen returned %d which is smaller than icd length %d",
gcry_md_algo_name(key_info->auth_spec->gcry_alg), md_len, icd_len);
}
if (tvb_memeql(tvb, offset, md, icd_len) == 0) {
proto_item_append_text(icd_item, "[correct]");
} else {
proto_item_append_text(icd_item, "[incorrect, should be %s]", bytes_to_str(pinfo->pool, md, icd_len));
expert_add_info(pinfo, icd_item, &ei_isakmp_ikev2_integrity_checksum);
}
gcry_md_close(md_hd);
} else {
proto_item_append_text(icd_item, "[not validated]");
}
}
/*
* Confirm encrypted data length is multiple of block size.
*/
if (encr_data_len % key_info->encr_spec->block_len != 0) {
proto_item_append_text(encr_data_item, "[Invalid length, should be a multiple of block size (%u)]",
key_info->encr_spec->block_len);
expert_add_info(pinfo, encr_data_item, &ei_isakmp_enc_data_length_mult_block_size);
return NULL;
}
/*
* Allocate buffer for decrypted data.
*/
decr_data = (guchar*)wmem_alloc(pinfo->pool, encr_data_len);
decr_data_len = encr_data_len;
/*
* If the cipher is NULL, just copy the encrypted data to the decrypted data buffer.
* And otherwise perform decryption with libgcrypt.
*/
if (key_info->encr_spec->number == IKEV2_ENCR_NULL) {
memcpy(decr_data, encr_data, decr_data_len);
} else {
err = gcry_cipher_open(&cipher_hd, key_info->encr_spec->gcry_alg, key_info->encr_spec->gcry_mode, 0);
if (err) {
REPORT_DISSECTOR_BUG("IKEv2 decryption error: algorithm %d, mode %d: gcry_cipher_open failed: %s",
key_info->encr_spec->gcry_alg, key_info->encr_spec->gcry_mode, gcry_strerror(err));
}
/* Handling CTR mode and AEAD ciphers */
if( key_info->encr_spec->salt_len ) {
int encr_iv_offset = 0;
encr_key_len = key_info->encr_spec->key_len - key_info->encr_spec->salt_len;
encr_iv_len = key_info->encr_spec->salt_len + iv_len;
if (key_info->encr_spec->gcry_mode == GCRY_CIPHER_MODE_CTR) {
encr_iv_len = (int)gcry_cipher_get_algo_blklen(key_info->encr_spec->gcry_alg);
if ((key_info->encr_spec->number >= IKEV2_ENCR_AES_CCM_128_16 && key_info->encr_spec->number <= IKEV2_ENCR_AES_CCM_256_12))
encr_iv_offset = 1;
}
if (encr_key_len < 0 || encr_iv_len < encr_iv_offset + (int)key_info->encr_spec->salt_len + iv_len) {
gcry_cipher_close(cipher_hd);
REPORT_DISSECTOR_BUG("IKEv2 decryption error: algorithm %d, key length %d, salt length %d, input iv length %d, cipher iv length: %d: invalid length(s) of cipher parameters",
key_info->encr_spec->gcry_alg, encr_key_len, key_info->encr_spec->salt_len, iv_len, encr_iv_len);
}
encr_iv = (guchar *)wmem_alloc0(pinfo->pool, encr_iv_len);
memcpy( encr_iv + encr_iv_offset, key_info->encr_key + encr_key_len, key_info->encr_spec->salt_len );
if(iv) {
memcpy( encr_iv + encr_iv_offset + key_info->encr_spec->salt_len, iv, iv_len );
}
if (key_info->encr_spec->gcry_mode == GCRY_CIPHER_MODE_CTR) {
encr_iv[encr_iv_len-1] = 1;
/* fallback for gcrypt not having AEAD ciphers */
if ((key_info->encr_spec->number >= IKEV2_ENCR_AES_GCM_128_16 && key_info->encr_spec->number <= IKEV2_ENCR_AES_GCM_256_12))
encr_iv[encr_iv_len-1]++;
if ((key_info->encr_spec->number >= IKEV2_ENCR_AES_CCM_128_16 && key_info->encr_spec->number <= IKEV2_ENCR_AES_CCM_256_12))
encr_iv[0] = (guchar)(encr_iv_len - 2 - key_info->encr_spec->salt_len - iv_len);
}
}
err = gcry_cipher_setkey(cipher_hd, key_info->encr_key, encr_key_len);
if (err) {
REPORT_DISSECTOR_BUG("IKEv2 decryption error: algorithm %d, key length %d: gcry_cipher_setkey failed: %s",
key_info->encr_spec->gcry_alg, encr_key_len, gcry_strerror(err));
}
if (key_info->encr_spec->gcry_mode == GCRY_CIPHER_MODE_CTR)
err = gcry_cipher_setctr(cipher_hd, encr_iv, encr_iv_len);
else
err = gcry_cipher_setiv(cipher_hd, encr_iv, encr_iv_len);
if (err) {
REPORT_DISSECTOR_BUG("IKEv2 decryption error: algorithm %d, iv length %d: gcry_cipher_setiv/gcry_cipher_setctr failed: %s",
key_info->encr_spec->gcry_alg, encr_iv_len, gcry_strerror(err));
}
#ifdef HAVE_LIBGCRYPT_AEAD
if (key_info->encr_spec->gcry_mode == GCRY_CIPHER_MODE_CCM) {
guint64 ccm_lengths[3];
ccm_lengths[0] = encr_data_len;
ccm_lengths[1] = aad_len;
ccm_lengths[2] = icv_len;
err = gcry_cipher_ctl(cipher_hd, GCRYCTL_SET_CCM_LENGTHS, ccm_lengths, sizeof(ccm_lengths));
if (err) {
gcry_cipher_close(cipher_hd);
REPORT_DISSECTOR_BUG("IKEv2 decryption error: algorithm %d: gcry_cipher_ctl(GCRYCTL_SET_CCM_LENGTHS) failed: %s",
key_info->encr_spec->gcry_alg, gcry_strerror(err));
}
}
if (aad_len) {
err = gcry_cipher_authenticate(cipher_hd, aa_data, aad_len);
if (err) {
gcry_cipher_close(cipher_hd);
REPORT_DISSECTOR_BUG("IKEv2 decryption error: algorithm %d: gcry_cipher_authenticate failed: %s",
key_info->encr_spec->gcry_alg, gcry_strerror(err));
}
}
#endif
err = gcry_cipher_decrypt(cipher_hd, decr_data, decr_data_len, encr_data, encr_data_len);
if (err) {
gcry_cipher_close(cipher_hd);
REPORT_DISSECTOR_BUG("IKEv2 decryption error: algorithm %d: gcry_cipher_decrypt failed: %s",
key_info->encr_spec->gcry_alg, gcry_strerror(err));
}
#ifdef HAVE_LIBGCRYPT_AEAD
if (icv_len) {
/* gcry_cipher_checktag() doesn't work on 1.6.x version well - requires all of 16 bytes
* of ICV, so it won't work with 12 and 8 bytes of ICV.
* For 1.7.x version of libgcrypt we could use it safely. But for libgcrypt-1.6.x
* we need to read tag from library and compare manually. Using that way we can also show
* correct value if it is not valid.
* CCM mode is not affected, but requires to pass icv_len to cry_cipher_gettag().
*
* Unfortunately gcrypt_cipher_gettag() have nothing similar to gcry_md_read(),
* so we need copy data to buffer here.
* Here, depending on cgrypt version gcm length shall be given differently:
* - in 1.7.x length can be of any aproved length (4,8,12,13,14,15,16 bytes),
* - in 1.6.x length must be equal of cipher block length. Aaargh... :-(
* We use accepted for both versions length of block size for GCM (16 bytes).
* For CCM length given must be the same as given to gcry_cipher_ctl(GCRYCTL_SET_CCM_LENGTHS)
*/
guchar *tag;
gint tag_len = icv_len;
if (key_info->encr_spec->gcry_mode == GCRY_CIPHER_MODE_GCM)
tag_len = (int)gcry_cipher_get_algo_blklen(key_info->encr_spec->gcry_alg);
if (tag_len < icv_len) {
gcry_cipher_close(cipher_hd);
REPORT_DISSECTOR_BUG("IKEv2 decryption error: algorithm %d: gcry_cipher_get_algo_blklen returned %d which is smaller than icv length %d",
key_info->encr_spec->gcry_alg, tag_len, icv_len);
}
tag = (guchar *)wmem_alloc(pinfo->pool, tag_len);
err = gcry_cipher_gettag(cipher_hd, tag, tag_len);
if (err) {
gcry_cipher_close(cipher_hd);
REPORT_DISSECTOR_BUG("IKEv2 decryption error: algorithm %d: gcry_cipher_gettag failed: %s",
key_info->encr_spec->gcry_alg, gcry_strerror(err));
}
else if (memcmp(tag, icv_data, icv_len) == 0)
proto_item_append_text(icd_item, "[correct]");
else {
proto_item_append_text(icd_item, "[incorrect, should be %s]", bytes_to_str(pinfo->pool, tag, icv_len));
expert_add_info(pinfo, icd_item, &ei_isakmp_ikev2_integrity_checksum);
}
}
#endif
gcry_cipher_close(cipher_hd);
}
decr_tvb = tvb_new_child_real_data(tvb, decr_data, decr_data_len, decr_data_len);
add_new_data_source(pinfo, decr_tvb, "Decrypted Data");
item = proto_tree_add_item(tree, hf_isakmp_enc_decrypted_data, decr_tvb, 0, decr_data_len, ENC_NA);
proto_item_append_text(item, " (%d byte%s)", decr_data_len, plurality(decr_data_len, "", "s"));
/* Move the ICD item to the bottom of the tree. */
if (icd_item) {
proto_tree_move_item(tree, item, icd_item);
}
decr_tree = proto_item_add_subtree(item, ett_isakmp_decrypted_data);
pad_len = tvb_get_guint8(decr_tvb, decr_data_len - 1);
payloads_len = decr_data_len - 1 - pad_len;
if (payloads_len > 0) {
item = proto_tree_add_item(decr_tree, hf_isakmp_enc_contained_data, decr_tvb, 0, payloads_len, ENC_NA);
proto_item_append_text(item, " (%d byte%s)", payloads_len, plurality(payloads_len, "", "s"));
decr_payloads_tree = proto_item_add_subtree(item, ett_isakmp_decrypted_payloads);
}
padlen_item = proto_tree_add_item(decr_tree, hf_isakmp_enc_pad_length, decr_tvb, payloads_len + pad_len, 1, ENC_BIG_ENDIAN);
if (pad_len > 0) {
if (payloads_len < 0) {
proto_item_append_text(padlen_item, " [too long]");
expert_add_info(pinfo, padlen_item, &ei_isakmp_enc_pad_length_big);
} else {
item = proto_tree_add_item(decr_tree, hf_isakmp_enc_padding, decr_tvb, payloads_len, pad_len, ENC_NA);
proto_item_append_text(item, " (%d byte%s)", pad_len, plurality(pad_len, "", "s"));
proto_tree_move_item(decr_tree, item, padlen_item);
}
}
/*
* We dissect the inner payloads at last in order to ensure displaying Padding, Pad Length and ICD
* even if the dissection fails. This may occur when the user specify wrong encryption key.
*/
if (dissect_payload_now) {
dissect_payloads(decr_tvb, decr_payloads_tree, 2, inner_payload, 0, payloads_len, pinfo, 0, is_request, decr_info);
}
}else{
proto_tree_add_item(tree, hf_isakmp_enc_iv, tvb, offset, 4, ENC_NA);
proto_tree_add_item(tree, hf_isakmp_enc_data, tvb, offset+4 , length, ENC_NA);
}
return decr_tvb;
}
static void
dissect_eap(tvbuff_t *tvb, int offset, int length, proto_tree *tree, packet_info *pinfo)
{
tvbuff_t *eap_tvb;
eap_tvb = tvb_new_subset_length(tvb, offset, length);
if ((eap_tvb != NULL)&& eap_handle != NULL){
call_dissector(eap_handle, eap_tvb, pinfo, tree);
}else{
proto_tree_add_item(tree, hf_isakmp_eap_data, tvb, offset, length, ENC_NA);
}
}
static void
dissect_gspm(tvbuff_t *tvb, int offset, int length, proto_tree *tree)
{
proto_tree_add_item(tree, hf_isakmp_gspm_data, tvb, offset, length, ENC_NA);
}
/*
* Protocol initialization
*/
static guint
isakmp_hash_func(gconstpointer c) {
const guint8 *i_cookie = (const guint8 *) c;
guint val = 0, keychunk, i;
/* XOR our icookie down to the size of a guint */
for (i = 0; i < COOKIE_SIZE - (COOKIE_SIZE % (guint)sizeof(keychunk)); i += (guint)sizeof(keychunk)) {
memcpy(&keychunk, &i_cookie[i], sizeof(keychunk));
val ^= keychunk;
}
return val;
}
static gint
isakmp_equal_func(gconstpointer ic1, gconstpointer ic2) {
if (memcmp(ic1, ic2, COOKIE_SIZE) == 0)
return 1;
return 0;
}
static guint ikev2_key_hash_func(gconstpointer k) {
const ikev2_uat_data_key_t *key = (const ikev2_uat_data_key_t*)k;
guint hash, *key_segs;
size_t key_segcount, i;
hash = 0;
/*
* XOR our icookie down to the size of a guint.
*
* The cast to guint suppresses a warning 64-bit-to-32-bit narrowing
* from some buggy C compilers (I'm looking at *you*,
* i686-apple-darwin11-llvm-gcc-4.2 (GCC) 4.2.1
* (Based on Apple Inc. build 5658) (LLVM build 2336.11.00).)
*/
key_segcount = key->spii_len / (guint)sizeof(guint);
key_segs = (guint *)key->spii;
for (i = 0; i < key_segcount; i++) {
hash ^= key_segs[i];
}
key_segcount = key->spir_len / (guint)sizeof(guint);
key_segs = (guint *)key->spir;
for (i = 0; i < key_segcount; i++) {
hash ^= key_segs[i];
}
return hash;
}
static gint ikev2_key_equal_func(gconstpointer k1, gconstpointer k2) {
const ikev2_uat_data_key_t *key1 = (const ikev2_uat_data_key_t *)k1;
const ikev2_uat_data_key_t *key2 = (const ikev2_uat_data_key_t *)k2;
if (key1->spii_len != key2->spii_len) return 0;
if (key1->spir_len != key2->spir_len) return 0;
if (memcmp(key1->spii, key2->spii, key1->spii_len) != 0) return 0;
if (memcmp(key1->spir, key2->spir, key1->spir_len) != 0) return 0;
return 1;
}
static void
free_cookie_key(gpointer key_arg)
{
guint8 *ic_key = (guint8 *)key_arg;
g_slice_free1(COOKIE_SIZE, ic_key);
}
static void
free_cookie_value(gpointer value)
{
decrypt_data_t *decr = (decrypt_data_t *)value;
g_free(decr->gi);
g_free(decr->gr);
g_hash_table_destroy(decr->iv_hash);
g_slice_free1(sizeof(decrypt_data_t), decr);
}
static void
isakmp_init_protocol(void) {
guint i;
decrypt_data_t *decr;
guint8 *ic_key;
isakmp_hash = g_hash_table_new_full(isakmp_hash_func, isakmp_equal_func,
free_cookie_key, free_cookie_value);
for (i = 0; i < num_ikev1_uat_data; i++) {
ic_key = (guint8 *)g_slice_alloc(COOKIE_SIZE);
memcpy(ic_key, ikev1_uat_data[i].icookie, COOKIE_SIZE);
decr = create_decrypt_data();
memcpy(decr->secret, ikev1_uat_data[i].key, ikev1_uat_data[i].key_len);
decr->secret_len = ikev1_uat_data[i].key_len;
g_hash_table_insert(isakmp_hash, ic_key, decr);
}
ikev2_key_hash = g_hash_table_new(ikev2_key_hash_func, ikev2_key_equal_func);
for (i = 0; i < num_ikev2_uat_data; i++) {
g_hash_table_insert(ikev2_key_hash, &(ikev2_uat_data[i].key), &(ikev2_uat_data[i]));
/* Need find references to algorithms (as UAT table editing looses data not stored in file) */
ikev2_uat_data[i].encr_spec = ikev2_decrypt_find_encr_spec(ikev2_uat_data[i].encr_alg);
ikev2_uat_data[i].auth_spec = ikev2_decrypt_find_auth_spec(ikev2_uat_data[i].auth_alg);
}
defrag_next_payload_hash = g_hash_table_new(g_direct_hash, g_direct_equal);
}
static void
isakmp_cleanup_protocol(void) {
g_hash_table_destroy(isakmp_hash);
g_hash_table_destroy(ikev2_key_hash);
g_hash_table_destroy(defrag_next_payload_hash);
}
UAT_BUFFER_CB_DEF(ikev1_users, icookie, ikev1_uat_data_key_t, icookie, icookie_len)
UAT_BUFFER_CB_DEF(ikev1_users, key, ikev1_uat_data_key_t, key, key_len)
static gboolean ikev1_uat_data_update_cb(void* p, char** err) {
ikev1_uat_data_key_t *ud = (ikev1_uat_data_key_t *)p;
if (ud->icookie_len != COOKIE_SIZE) {
*err = ws_strdup_printf("Length of Initiator's COOKIE must be %d octets (%d hex characters).", COOKIE_SIZE, COOKIE_SIZE * 2);
return FALSE;
}
if (ud->key_len == 0) {
*err = g_strdup("Must have Encryption key.");
return FALSE;
}
if (ud->key_len > MAX_KEY_SIZE) {
*err = ws_strdup_printf("Length of Encryption key limited to %d octets (%d hex characters).", MAX_KEY_SIZE, MAX_KEY_SIZE * 2);
return FALSE;
}
return TRUE;
}
static void*
ikev1_uat_data_copy_cb(void *dest, const void *source, size_t len _U_)
{
const ikev1_uat_data_key_t* o = (const ikev1_uat_data_key_t*)source;
ikev1_uat_data_key_t* d = (ikev1_uat_data_key_t*)dest;
d->icookie = (guchar *)g_memdup2(o->icookie, o->icookie_len);
d->icookie_len = o->icookie_len;
d->key = (guchar *)g_memdup2(o->key, o->key_len);
d->key_len = o->key_len;
return dest;
}
static void
ikev1_uat_data_free_cb(void *r)
{
ikev1_uat_data_key_t *rec = (ikev1_uat_data_key_t *)r;
g_free(rec->icookie);
g_free(rec->key);
}
UAT_BUFFER_CB_DEF(ikev2_users, spii, ikev2_uat_data_t, key.spii, key.spii_len)
UAT_BUFFER_CB_DEF(ikev2_users, spir, ikev2_uat_data_t, key.spir, key.spir_len)
UAT_BUFFER_CB_DEF(ikev2_users, sk_ei, ikev2_uat_data_t, sk_ei, sk_ei_len)
UAT_BUFFER_CB_DEF(ikev2_users, sk_er, ikev2_uat_data_t, sk_er, sk_er_len)
UAT_VS_DEF(ikev2_users, encr_alg, ikev2_uat_data_t, guint, IKEV2_ENCR_3DES, IKEV2_ENCR_3DES_STR)
UAT_BUFFER_CB_DEF(ikev2_users, sk_ai, ikev2_uat_data_t, sk_ai, sk_ai_len)
UAT_BUFFER_CB_DEF(ikev2_users, sk_ar, ikev2_uat_data_t, sk_ar, sk_ar_len)
UAT_VS_DEF(ikev2_users, auth_alg, ikev2_uat_data_t, guint, IKEV2_AUTH_HMAC_SHA1_96, IKEV2_AUTH_HMAC_SHA1_96_STR)
static void*
ikev2_uat_data_copy_cb(void *dest, const void *source, size_t len _U_)
{
const ikev2_uat_data_t* o = (const ikev2_uat_data_t*)source;
ikev2_uat_data_t* d = (ikev2_uat_data_t*)dest;
d->key.spii = (guchar *)g_memdup2(o->key.spii, o->key.spii_len);
d->key.spii_len = o->key.spii_len;
d->key.spir = (guchar *)g_memdup2(o->key.spir, o->key.spir_len);
d->key.spir_len = o->key.spir_len;
d->encr_alg = o->encr_alg;
d->auth_alg = o->auth_alg;
d->sk_ei = (guchar *)g_memdup2(o->sk_ei, o->sk_ei_len);
d->sk_ei_len = o->sk_ei_len;
d->sk_er = (guchar *)g_memdup2(o->sk_er, o->sk_er_len);
d->sk_er_len = o->sk_er_len;
d->sk_ai = (guchar *)g_memdup2(o->sk_ai, o->sk_ai_len);
d->sk_ai_len = o->sk_ai_len;
d->sk_ar = (guchar *)g_memdup2(o->sk_ar, o->sk_ar_len);
d->sk_ar_len = o->sk_ar_len;
d->encr_spec = (ikev2_encr_alg_spec_t *)g_memdup2(o->encr_spec, sizeof(ikev2_encr_alg_spec_t));
d->auth_spec = (ikev2_auth_alg_spec_t *)g_memdup2(o->auth_spec, sizeof(ikev2_auth_alg_spec_t));
return dest;
}
static gboolean ikev2_uat_data_update_cb(void* p, char** err) {
ikev2_uat_data_t *ud = (ikev2_uat_data_t *)p;
if (ud->key.spii_len != COOKIE_SIZE) {
*err = ws_strdup_printf("Length of Initiator's SPI must be %d octets (%d hex characters).", COOKIE_SIZE, COOKIE_SIZE * 2);
return FALSE;
}
if (ud->key.spir_len != COOKIE_SIZE) {
*err = ws_strdup_printf("Length of Responder's SPI must be %d octets (%d hex characters).", COOKIE_SIZE, COOKIE_SIZE * 2);
return FALSE;
}
if ((ud->encr_spec = ikev2_decrypt_find_encr_spec(ud->encr_alg)) == NULL) {
REPORT_DISSECTOR_BUG("Couldn't get IKEv2 encryption algorithm spec.");
}
if ((ud->auth_spec = ikev2_decrypt_find_auth_spec(ud->auth_alg)) == NULL) {
REPORT_DISSECTOR_BUG("Couldn't get IKEv2 authentication algorithm spec.");
}
if (ud->encr_spec->icv_len && ud->auth_spec->number != IKEV2_AUTH_NONE) {
*err = ws_strdup_printf("Selected encryption_algorithm %s requires selecting NONE integrity algorithm.",
val_to_str(ud->encr_spec->number, vs_ikev2_encr_algs, "other-%d"));
return FALSE;
}
if (ud->sk_ei_len != ud->encr_spec->key_len) {
*err = ws_strdup_printf("Length of SK_ei (%u octets) does not match the key length (%u octets) of the selected encryption algorithm.",
ud->sk_ei_len, ud->encr_spec->key_len);
return FALSE;
}
if (ud->sk_er_len != ud->encr_spec->key_len) {
*err = ws_strdup_printf("Length of SK_er (%u octets) does not match the key length (%u octets) of the selected encryption algorithm.",
ud->sk_er_len, ud->encr_spec->key_len);
return FALSE;
}
if (ud->sk_ai_len != ud->auth_spec->key_len) {
*err = ws_strdup_printf("Length of SK_ai (%u octets) does not match the key length (%u octets) of the selected integrity algorithm.",
ud->sk_ai_len, ud->auth_spec->key_len);
return FALSE;
}
if (ud->sk_ar_len != ud->auth_spec->key_len) {
*err = ws_strdup_printf("Length of SK_ar (%u octets) does not match the key length (%u octets) of the selected integrity algorithm.",
ud->sk_ar_len, ud->auth_spec->key_len);
return FALSE;
}
return TRUE;
}
static void
ikev2_uat_data_free_cb(void *r)
{
ikev2_uat_data_t *rec = (ikev2_uat_data_t *)r;
g_free(rec->key.spii);
g_free(rec->key.spir);
g_free(rec->sk_ei);
g_free(rec->sk_er);
g_free(rec->sk_ai);
g_free(rec->sk_ar);
}
void
proto_register_isakmp(void)
{
module_t *isakmp_module;
static hf_register_info hf[] = {
{ &hf_isakmp_ispi,
{ "Initiator SPI", "isakmp.ispi",
FT_BYTES, BASE_NONE, NULL, 0x0,
"ISAKMP Initiator SPI", HFILL }},
{ &hf_isakmp_rspi,
{ "Responder SPI", "isakmp.rspi",
FT_BYTES, BASE_NONE, NULL, 0x0,
"ISAKMP Responder SPI", HFILL }},
{ &hf_isakmp_typepayload,
{ "Payload", "isakmp.typepayload",
FT_UINT8,BASE_RANGE_STRING | BASE_DEC, RVALS(payload_type), 0x0,
"ISAKMP Payload Type", HFILL }},
{ &hf_isakmp_nextpayload,
{ "Next payload", "isakmp.nextpayload",
FT_UINT8, BASE_RANGE_STRING | BASE_DEC, RVALS(payload_type), 0x0,
"ISAKMP Next Payload", HFILL }},
{ &hf_isakmp_criticalpayload,
{ "Critical Bit", "isakmp.criticalpayload",
FT_BOOLEAN, 8,TFS(&tfs_critical_not_critical), 0x80,
"IKEv2 Critical Payload", HFILL }},
{ &hf_isakmp_reserved7,
{ "Reserved", "isakmp.reserved7",
FT_UINT8, BASE_HEX, NULL, 0x7F,
NULL, HFILL }},
{ &hf_isakmp_reserved,
{ "Reserved", "isakmp.reserved",
FT_BYTES, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_isakmp_extradata,
{ "Extra data", "isakmp.extradata",
FT_BYTES, BASE_NONE, NULL, 0x0,
"Extra data ??????", HFILL }},
{ &hf_isakmp_datapayload,
{ "Data Payload", "isakmp.datapayload",
FT_BYTES, BASE_NONE, NULL, 0x0,
"Data Payload (not dissect)", HFILL }},
{ &hf_isakmp_version,
{ "Version", "isakmp.version",
FT_UINT8, BASE_HEX, NULL, 0x0,
"ISAKMP Version (major + minor)", HFILL }},
{ &hf_isakmp_mjver,
{ "MjVer", "isakmp.mjver",
FT_UINT8, BASE_HEX, NULL, 0xF0,
"ISAKMP MjVer", HFILL }},
{ &hf_isakmp_mnver,
{ "MnVer", "isakmp.mnver",
FT_UINT8, BASE_HEX, NULL, 0x0F,
"ISAKMP MnVer", HFILL }},
{ &hf_isakmp_exchangetype_v1,
{ "Exchange type", "isakmp.exchangetype",
FT_UINT8, BASE_DEC, VALS(exchange_v1_type), 0x0,
"ISAKMP Exchange Type", HFILL }},
{ &hf_isakmp_exchangetype_v2,
{ "Exchange type", "isakmp.exchangetype",
FT_UINT8, BASE_DEC, VALS(exchange_v2_type), 0x0,
"ISAKMP Exchange Type", HFILL }},
{ &hf_isakmp_flags,
{ "Flags", "isakmp.flags",
FT_UINT8, BASE_HEX, NULL, 0x0,
"ISAKMP Flags", HFILL }},
{ &hf_isakmp_flag_e,
{ "Encryption", "isakmp.flag_e",
FT_BOOLEAN, 8, TFS(&flag_e), E_FLAG,
"Encryption Bit", HFILL }},
{ &hf_isakmp_flag_c,
{ "Commit", "isakmp.flag_c",
FT_BOOLEAN, 8, TFS(&flag_c), C_FLAG,
"Commit Bit", HFILL }},
{ &hf_isakmp_flag_a,
{ "Authentication", "isakmp.flag_a",
FT_BOOLEAN, 8, TFS(&flag_a), A_FLAG,
"Authentication Bit", HFILL }},
{ &hf_isakmp_flag_i,
{ "Initiator", "isakmp.flag_i",
FT_BOOLEAN, 8, TFS(&flag_i), I_FLAG,
"Initiator Bit", HFILL }},
{ &hf_isakmp_flag_v,
{ "Version", "isakmp.flag_v",
FT_BOOLEAN, 8, TFS(&flag_v), V_FLAG,
"Version Bit", HFILL }},
{ &hf_isakmp_flag_r,
{ "Response", "isakmp.flag_r",
FT_BOOLEAN, 8, TFS(&tfs_response_request), R_FLAG,
"Response Bit", HFILL }},
{ &hf_isakmp_messageid,
{ "Message ID", "isakmp.messageid",
FT_UINT32, BASE_HEX, NULL, 0x0,
"ISAKMP Message ID", HFILL }},
{ &hf_isakmp_length,
{ "Length", "isakmp.length",
FT_UINT32, BASE_DEC, NULL, 0x0,
"ISAKMP Length", HFILL }},
{ &hf_isakmp_payloadlen,
{ "Payload length", "isakmp.payloadlength",
FT_UINT16, BASE_DEC, NULL, 0x0,
"ISAKMP Payload Length", HFILL }},
{ &hf_isakmp_sa_doi,
{ "Domain of interpretation", "isakmp.sa.doi",
FT_UINT32, BASE_DEC, VALS(doi_type), 0x0,
"ISAKMP Domain of Interpretation", HFILL }},
{ &hf_isakmp_sa_situation,
{ "Situation", "isakmp.sa.situation",
FT_BYTES, BASE_NONE, NULL, 0x0,
"ISAKMP SA Situation", HFILL }},
{ &hf_isakmp_sa_attribute_next_payload,
{ "SA Attribute Next Payload", "isakmp.sa.next_attribute_payload",
FT_BYTES, BASE_NONE, NULL, 0x0,
"Payloads that define specific security association attributes for the KEK and/or TEKs", HFILL }},
{ &hf_isakmp_reserved2,
{ "Reserved2", "isakmp.reserved2",
FT_BYTES, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_isakmp_sa_situation_identity_only,
{ "Identity Only", "isakmp.sa.situation.identity_only",
FT_BOOLEAN, 32, NULL, SIT_IDENTITY_ONLY,
"The type specifies that the SA will be identified by source identity information present in an associated Identification Payload", HFILL }},
{ &hf_isakmp_sa_situation_secrecy,
{ "Secrecy", "isakmp.sa.situation.secrecy",
FT_BOOLEAN, 32, NULL, SIT_SECRECY,
"The type specifies that the SA is being negotiated in an environment that requires labeled secrecy.", HFILL }},
{ &hf_isakmp_sa_situation_integrity,
{ "Integrity", "isakmp.sa.situation.integrity",
FT_BOOLEAN, 32, NULL, SIT_INTEGRITY,
"The type specifies that the SA is being negotiated in an environment that requires labeled integrity", HFILL }},
{ &hf_isakmp_prop_protoid_v1,
{ "Protocol ID", "isakmp.prop.protoid",
FT_UINT32, BASE_DEC, VALS(protoid_v1_type), 0x0,
"ISAKMP Proposal Protocol ID", HFILL }},
{ &hf_isakmp_prop_protoid_v2,
{ "Protocol ID", "isakmp.prop.protoid",
FT_UINT32, BASE_DEC, VALS(protoid_v2_type), 0x0,
"IKEv2 Proposal Protocol ID", HFILL }},
{ &hf_isakmp_prop_number,
{ "Proposal number", "isakmp.prop.number",
FT_UINT8, BASE_DEC, NULL, 0x0,
"ISAKMP Proposal Number", HFILL }},
{ &hf_isakmp_spisize,
{ "SPI Size", "isakmp.spisize",
FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_isakmp_spi,
{ "SPI", "isakmp.spi",
FT_BYTES, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_isakmp_prop_transforms,
{ "Proposal transforms", "isakmp.prop.transforms",
FT_UINT8, BASE_DEC, NULL, 0x0,
"ISAKMP Proposal Transforms", HFILL }},
{ &hf_isakmp_trans_number,
{ "Transform number", "isakmp.trans.number",
FT_UINT8, BASE_DEC, NULL, 0x0,
"ISAKMP Transform Number", HFILL }},
{ &hf_isakmp_trans_id,
{ "Transform ID", "isakmp.trans.id",
FT_UINT8, BASE_DEC, NULL, 0x0,
"ISAKMP Transform ID", HFILL }},
{ &hf_isakmp_id_type_v1,
{ "ID type", "isakmp.id.type",
FT_UINT8, BASE_RANGE_STRING | BASE_DEC, RVALS(vs_v1_id_type), 0x0,
"IKEv1 ID Type", HFILL }},
{ &hf_isakmp_id_type_v2,
{ "ID type", "isakmp.id.type",
FT_UINT8, BASE_RANGE_STRING | BASE_DEC, RVALS(vs_v2_id_type), 0x0,
"IKEv2 ID Type", HFILL }},
{ &hf_isakmp_id_protoid,
{ "Protocol ID", "isakmp.id.protoid",
FT_UINT8, BASE_DEC|BASE_EXT_STRING, &ipproto_val_ext, 0x0,
"ISAKMP ID Protocol ID", HFILL }},
{ &hf_isakmp_id_port,
{ "Port", "isakmp.id.port",
FT_UINT16, BASE_DEC, NULL, 0x0,
"ISAKMP ID Port", HFILL }},
{ &hf_isakmp_id_data,
{ "Identification Data:", "isakmp.id.data",
FT_NONE, BASE_NONE, NULL, 0x0,
"ISAKMP ID Data", HFILL }},
{ &hf_isakmp_id_data_ipv4_addr,
{ "ID_IPV4_ADDR", "isakmp.id.data.ipv4_addr",
FT_IPv4, BASE_NONE, NULL, 0x0,
"The type specifies a single four (4) octet IPv4 address", HFILL }},
{ &hf_isakmp_id_data_fqdn,
{ "ID_FQDN", "isakmp.id.data.fqdn",
FT_STRING, BASE_NONE, NULL, 0x0,
"The type specifies a fully-qualified domain name string", HFILL }},
{ &hf_isakmp_id_data_user_fqdn,
{ "ID_FQDN", "isakmp.id.data.user_fqdn",
FT_STRING, BASE_NONE, NULL, 0x0,
"The type specifies a fully-qualified username string", HFILL }},
{ &hf_isakmp_id_data_ipv4_subnet,
{ "ID_IPV4_SUBNET", "isakmp.id.data.ipv4_subnet",
FT_IPv4, BASE_NONE, NULL, 0x0,
"The second is an IPv4 network mask", HFILL }},
{ &hf_isakmp_id_data_ipv4_range_start,
{ "ID_IPV4_RANGE (Start)", "isakmp.id.data.ipv4_range_start",
FT_IPv4, BASE_NONE, NULL, 0x0,
"The first value is the beginning IPv4 address (inclusive)", HFILL }},
{ &hf_isakmp_id_data_ipv4_range_end,
{ "ID_IPV4_RANGE (End)", "isakmp.id.data.ipv4_range_end",
FT_IPv4, BASE_NONE, NULL, 0x0,
"The second value is the ending IPv4 address (inclusive)", HFILL }},
{ &hf_isakmp_id_data_ipv6_addr,
{ "ID_IPV6_ADDR", "isakmp.id.data.ipv6_addr",
FT_IPv6, BASE_NONE, NULL, 0x0,
"The type specifies a single sixteen (16) octet IPv6 address", HFILL }},
{ &hf_isakmp_id_data_ipv6_subnet,
{ "ID_IPV6A_ADDR_SUBNET", "isakmp.id.data.ipv6_subnet",
FT_IPv6, BASE_NONE, NULL, 0x0,
"The type specifies a range of IPv6 addresses represented by two sixteen (16) octet values", HFILL }},
{ &hf_isakmp_id_data_ipv6_range_start,
{ "ID_IPV6_ADDR_RANGE (Start)", "isakmp.id.data.ipv6_range_start",
FT_IPv6, BASE_NONE, NULL, 0x0,
"The first value is the beginning IPv6 address (inclusive)", HFILL }},
{ &hf_isakmp_id_data_ipv6_range_end,
{ "ID_IPV6_ADDR_RANGE (End)", "isakmp.id.data.ipv6_range_end",
FT_IPv6, BASE_NONE, NULL, 0x0,
"the second value is the ending IPv6 address (inclusive)", HFILL }},
{ &hf_isakmp_id_data_key_id,
{ "ID_KEY_ID", "isakmp.id.data.key_id",
FT_BYTES, BASE_NONE, NULL, 0x0,
"The type specifies an opaque byte stream which may be used to pass vendor-specific information necessary to identify which pre-shared key should be used to authenticate Aggressive mode negotiations", HFILL }},
{ &hf_isakmp_id_data_cert,
{ "ID_DER_ASN1_DN", "isakmp.id.data.der_asn1_dn",
FT_UINT32, BASE_DEC, NULL, 0x0,
NULL, HFILL } },
{ &hf_isakmp_cert_encoding_v1,
{ "Certificate Encoding", "isakmp.cert.encoding",
FT_UINT8, BASE_RANGE_STRING | BASE_DEC, RVALS(cert_v1_type), 0x0,
"ISAKMP Certificate Encoding", HFILL }},
{ &hf_isakmp_cert_encoding_v2,
{ "Certificate Encoding", "isakmp.cert.encoding",
FT_UINT8, BASE_RANGE_STRING | BASE_DEC, RVALS(cert_v2_type), 0x0,
"IKEv2 Certificate Encoding", HFILL }},
{ &hf_isakmp_cert_data,
{ "Certificate Data", "isakmp.cert.data",
FT_NONE, BASE_NONE, NULL, 0x0,
"ISAKMP Certificate Data", HFILL }},
{ &hf_isakmp_cert_x509_hash,
{ "Hash", "isakmp.cert.x509.hash",
FT_BYTES, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_isakmp_cert_x509_url,
{ "URL", "isakmp.cert.x509.url",
FT_STRING, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_isakmp_certreq_type_v1,
{ "Certificate Type", "isakmp.certreq.type",
FT_UINT8, BASE_RANGE_STRING | BASE_DEC, RVALS(cert_v1_type), 0x0,
"ISAKMP Certificate Type", HFILL }},
{ &hf_isakmp_certreq_type_v2,
{ "Certificate Type", "isakmp.certreq.type",
FT_UINT8, BASE_RANGE_STRING | BASE_DEC, RVALS(cert_v2_type), 0x0,
"IKEv2 Certificate Type", HFILL }},
{ &hf_isakmp_auth_meth,
{ "Authentication Method", "isakmp.auth.method",
FT_UINT8, BASE_RANGE_STRING | BASE_DEC, RVALS(authmeth_v2_type), 0x0,
"IKEv2 Authentication Method", HFILL }},
{ &hf_isakmp_auth_data,
{ "Authentication Data", "isakmp.auth.data",
FT_BYTES, BASE_NONE, NULL, 0x0,
"IKEv2 Authentication Data", HFILL }},
{ &hf_isakmp_auth_digital_sig_asn1_len,
{ "ASN.1 Length", "isakmp.auth.data.sig.asn1.len",
FT_UINT8, BASE_DEC, NULL, 0x0,
"IKEv2 Authentication Data Digital Signature ASN.1 Length", HFILL } },
{ &hf_isakmp_auth_digital_sig_asn1_data,
{ "ASN.1 Data", "isakmp.auth.data.sig.asn1.data",
FT_BYTES, BASE_NONE, NULL, 0x0,
"IKEv2 Authentication Data Digital Signature ASN.1 Data", HFILL } },
{ &hf_isakmp_auth_digital_sig_value,
{ "Signature Value", "isakmp.auth.data.sig.value",
FT_BYTES, BASE_NONE, NULL, 0x0,
"IKEv2 Authentication Data Digital Signature Value", HFILL } },
{ &hf_isakmp_notify_doi,
{ "Domain of interpretation", "isakmp.notify.doi",
FT_UINT32, BASE_DEC, VALS(doi_type), 0x0,
"ISAKMP Notify Domain of Interpretation", HFILL }},
{ &hf_isakmp_notify_protoid_v1,
{ "Protocol ID", "isakmp.notify.protoid",
FT_UINT32, BASE_DEC, VALS(protoid_v1_type), 0x0,
"ISAKMP Notify Protocol ID", HFILL }},
{ &hf_isakmp_notify_protoid_v2,
{ "Protocol ID", "isakmp.notify.protoid",
FT_UINT32, BASE_DEC, VALS(protoid_v2_type), 0x0,
"IKEv2 Notify Protocol ID", HFILL }},
{ &hf_isakmp_notify_msgtype_v1,
{ "Notify Message Type", "isakmp.notify.msgtype",
FT_UINT16, BASE_RANGE_STRING | BASE_DEC, RVALS(notifmsg_v1_type), 0x0,
"ISAKMP Notify Message Type", HFILL }},
{ &hf_isakmp_notify_msgtype_v2,
{ "Notify Message Type", "isakmp.notify.msgtype",
FT_UINT16, BASE_RANGE_STRING | BASE_DEC, RVALS(notifmsg_v2_type), 0x0,
"ISAKMP Notify Message Type", HFILL }},
{ &hf_isakmp_notify_data,
{ "Notification DATA", "isakmp.notify.data",
FT_BYTES, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_isakmp_notify_data_dpd_are_you_there,
{ "DPD ARE-YOU-THERE sequence", "isakmp.notify.data.dpd.are_you_there",
FT_UINT32, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_isakmp_notify_data_dpd_are_you_there_ack,
{ "DPD ARE-YOU-THERE-ACK sequence", "isakmp.notify.data.dpd.are_you_there_ack",
FT_UINT32, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_isakmp_notify_data_unity_load_balance,
{ "UNITY LOAD BALANCE", "isakmp.notify.data.unity.load_balance",
FT_IPv4, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_isakmp_notify_data_accepted_dh_group,
{ "Accepted DH group number", "isakmp.notify.data.accepted_dh_group",
FT_UINT16, BASE_DEC, VALS(dh_group), 0x0,
NULL, HFILL }},
{ &hf_isakmp_notify_data_ipcomp_cpi,
{ "IPCOMP CPI", "isakmp.notify.data.ipcomp.cpi",
FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_isakmp_notify_data_ipcomp_transform_id,
{ "IPCOMP Transform ID", "isakmp.notify.data.ipcomp.transform_id",
FT_UINT8, BASE_DEC, VALS(transform_id_ipcomp), 0x0,
NULL, HFILL }},
{ &hf_isakmp_notify_data_auth_lifetime,
{ "Authentication Lifetime", "isakmp.notify.data.auth_lifetime",
FT_UINT32, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_isakmp_notify_data_redirect_gw_ident_type,
{ "Gateway Identity Type", "isakmp.notify.data.redirect.gw_ident.type",
FT_UINT8, BASE_DEC, VALS(redirect_gateway_identity_type), 0x0,
NULL, HFILL }},
{ &hf_isakmp_notify_data_redirect_gw_ident_len,
{ "Gateway Identity Length", "isakmp.notify.data.redirect.gw_ident.len",
FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_isakmp_notify_data_redirect_new_resp_gw_ident_ipv4,
{ "New Responder Gateway Identity (IPv4)", "isakmp.notify.data.redirect.new_resp_gw_ident.ipv4",
FT_IPv4, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_isakmp_notify_data_redirect_new_resp_gw_ident_ipv6,
{ "New Responder Gateway Identity (IPv6)", "isakmp.notify.data.redirect.new_resp_gw_ident.ipv6",
FT_IPv6, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_isakmp_notify_data_redirect_new_resp_gw_ident_fqdn,
{ "New Responder Gateway Identity (FQDN)", "isakmp.notify.data.redirect.new_resp_gw_ident.fqdn",
FT_STRING, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_isakmp_notify_data_redirect_new_resp_gw_ident,
{ "New Responder Gateway Identity (DATA)", "isakmp.notify.data.redirect.new_resp_gw_ident.data",
FT_BYTES, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_isakmp_notify_data_redirect_nonce_data,
{ "Redirect Nonce Data", "isakmp.notify.data.redirect.nonce_data",
FT_BYTES, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_isakmp_notify_data_redirect_org_resp_gw_ident_ipv4,
{ "Original Responder Gateway Identity (IPv4)", "isakmp.notify.data.redirect.org_resp_gw_ident.ipv4",
FT_IPv4, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_isakmp_notify_data_redirect_org_resp_gw_ident_ipv6,
{ "Original Responder Gateway Identity (IPv6)", "isakmp.notify.data.redirect.org_resp_gw_ident.ipv6",
FT_IPv6, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_isakmp_notify_data_redirect_org_resp_gw_ident,
{ "Original Responder Gateway Identity (DATA)", "isakmp.notify.data.redirect.org_resp_gw_ident.data",
FT_BYTES, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_isakmp_notify_data_ticket_lifetime,
{ "TICKET OPAQUE Lifetime", "isakmp.notify.data.ticket_opaque.lifetime",
FT_UINT32, BASE_DEC, NULL, 0x0,
"The Lifetime field contains a relative time value, the number of seconds until the ticket expires (encoded as an unsigned integer).", HFILL }},
{ &hf_isakmp_notify_data_ticket_data,
{ "TICKET OPAQUE Data", "isakmp.notify.data.ticket_opaque.data",
FT_BYTES, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
/* ROHC Attributes Type */
{ &hf_isakmp_notify_data_rohc_attr.all,
{ "ROHC Attribute Type", "isakmp.notify.data.rohc.attr",
FT_NONE, BASE_NONE, NULL, 0x00,
NULL, HFILL }},
{ &hf_isakmp_notify_data_rohc_attr.type,
{ "ROHC Attribute Type", "isakmp.notify.data.rohc.attr.type",
FT_UINT16, BASE_RANGE_STRING | BASE_DEC, RVALS(rohc_attr_type), 0x00,
NULL, HFILL }},
{ &hf_isakmp_notify_data_rohc_attr.format,
{ "ROHC Format", "isakmp.notify.data.rohc.attr.format",
FT_BOOLEAN, 16, TFS(&attribute_format), 0x8000,
NULL, HFILL }},
{ &hf_isakmp_notify_data_rohc_attr.length,
{ "Length", "isakmp.notify.data.rohc.attr.length",
FT_UINT16, BASE_DEC, NULL, 0x00,
NULL, HFILL }},
{ &hf_isakmp_notify_data_rohc_attr.value,
{ "Value", "isakmp.notify.data.rohc.attr.value",
FT_BYTES, BASE_NONE, NULL, 0x00,
NULL, HFILL }},
{ &hf_isakmp_notify_data_rohc_attr_max_cid,
{ "Maximum Context Identifier", "isakmp.notify.data.rohc.attr.max_cid",
FT_UINT16, BASE_DEC, NULL, 0x00,
NULL, HFILL }},
{ &hf_isakmp_notify_data_rohc_attr_profile,
{ "ROHC Profile", "isakmp.notify.data.rohc.attr.profile",
FT_UINT16, BASE_DEC, NULL, 0x00,
NULL, HFILL }},
{ &hf_isakmp_notify_data_rohc_attr_integ,
{ "ROHC Integrity Algorithm", "isakmp.notify.data.rohc.attr.integ",
FT_UINT16, BASE_DEC, VALS(transform_ike2_integ_type), 0x00,
NULL, HFILL }},
{ &hf_isakmp_notify_data_rohc_attr_icv_len,
{ "ROHC ICV Length in bytes", "isakmp.notify.data.rohc.attr.icv_len",
FT_UINT16, BASE_DEC, NULL, 0x00,
"In bytes", HFILL }},
{ &hf_isakmp_notify_data_rohc_attr_mrru,
{ "MRRU", "isakmp.notify.data.rohc.attr.mrru",
FT_UINT16, BASE_DEC, NULL, 0x00,
NULL, HFILL }},
{ &hf_isakmp_notify_data_qcd_token_secret_data,
{ "Token Secret Data", "isakmp.notify.data.qcd.token_secret_data",
FT_BYTES, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_isakmp_notify_data_ha_nonce_data,
{ "Nonce Data", "isakmp.notify.data.ha.nonce_data",
FT_UINT32, BASE_HEX, NULL, 0x0,
"Random nonce data, the data should be identical in the synchronization request and response", HFILL }},
{ &hf_isakmp_notify_data_ha_expected_send_req_msg_id,
{ "EXPECTED SEND REQ MESSAGE ID", "isakmp.notify.data.ha.expected_send_req_message_id",
FT_UINT32, BASE_HEX, NULL, 0x0,
"Indicate the Message ID it will use in the next request that it will send to the other protocol peer", HFILL }},
{ &hf_isakmp_notify_data_ha_expected_recv_req_msg_id,
{ "EXPECTED RECV REQ MESSAGE ID", "isakmp.notify.data.ha.expected_recv_req_message_id",
FT_UINT32, BASE_HEX, NULL, 0x0,
"Indicate the Message ID it is expecting in the next request to be received from the other protocol peer", HFILL }},
{ &hf_isakmp_notify_data_ha_incoming_ipsec_sa_delta_value,
{ "Incoming IPsec SA delta value", "isakmp.notify.data.ha.incoming_ipsec_sa_delta_value",
FT_BYTES, BASE_NONE, NULL, 0x0,
"The sender requests that the peer should increment all the Child SA Replay Counters for the sender's incomingtraffic by this value", HFILL }},
{ &hf_isakmp_notify_data_secure_password_methods,
{ "Secure Password Methods", "isakmp.notify.data.secure_password_methods",
FT_BYTES, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_isakmp_notify_data_signature_hash_algorithms,
{ "Supported Signature Hash Algorithm", "isakmp.notify.data.signature_hash_algorithms",
FT_UINT16, BASE_RANGE_STRING | BASE_DEC, RVALS(signature_hash_algorithms), 0x0,
NULL, HFILL }},
{ &hf_isakmp_delete_doi,
{ "Domain of interpretation", "isakmp.delete.doi",
FT_UINT32, BASE_DEC, VALS(doi_type), 0x0,
"ISAKMP Delete Domain of Interpretation", HFILL }},
{ &hf_isakmp_delete_protoid_v1,
{ "Protocol ID", "isakmp.delete.protoid",
FT_UINT32, BASE_DEC, VALS(protoid_v1_type), 0x0,
"ISAKMP Delete Protocol ID", HFILL }},
{ &hf_isakmp_delete_protoid_v2,
{ "Protocol ID", "isakmp.delete.protoid",
FT_UINT32, BASE_DEC, VALS(protoid_v2_type), 0x0,
"IKEv2 Delete Protocol ID", HFILL }},
{ &hf_isakmp_delete_spi,
{ "Delete SPI", "isakmp.delete.spi",
FT_BYTES, BASE_NONE, NULL, 0x0,
"Identifies the specific security association(s) to delete", HFILL }},
{ &hf_isakmp_vid_bytes,
{ "Vendor ID", "isakmp.vid_bytes",
FT_BYTES, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_isakmp_vid_string,
{ "Vendor ID", "isakmp.vid_string",
FT_STRING, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_isakmp_vid_cp_product,
{ "Checkpoint Product", "isakmp.vid.cp.product",
FT_UINT32, BASE_DEC, VALS(cp_product), 0x0,
NULL, HFILL }},
{ &hf_isakmp_vid_cp_version,
{ "Checkpoint Version", "isakmp.vid.cp.version",
FT_UINT32, BASE_DEC, VALS(cp_version), 0x0,
"Encoded Version number", HFILL }},
{ &hf_isakmp_vid_cp_timestamp,
{ "Checkpoint Timestamp", "isakmp.vid.cp.timestamp",
FT_UINT32, BASE_DEC, NULL, 0x0,
"Timestamp (NGX only; always zero in 4.1 or NG)", HFILL }},
{ &hf_isakmp_vid_cp_reserved,
{ "Checkpoint Reserved", "isakmp.vid.cp.reserved",
FT_UINT32, BASE_HEX, NULL, 0x0,
NULL, HFILL }},
{ &hf_isakmp_vid_cp_features,
{ "Checkpoint Features", "isakmp.vid.cp.features",
FT_UINT32, BASE_HEX, NULL, 0x0,
NULL, HFILL }},
{ &hf_isakmp_vid_cisco_unity_major,
{ "CISCO-UNITY Major version", "isakmp.vid.cisco_unity.major",
FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_isakmp_vid_cisco_unity_minor,
{ "CISCO-UNITY Minor version", "isakmp.vid.cisco_unity.minor",
FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_isakmp_vid_ms_nt5_isakmpoakley,
{ "MS NT5 ISAKMPOAKLEY", "isakmp.vid.ms_nt5_isakmpoakley",
FT_UINT32, BASE_DEC, VALS(ms_nt5_isakmpoakley_type), 0x0,
NULL, HFILL }},
{ &hf_isakmp_vid_aruba_via_auth_profile,
{ "Auth Profile", "isakmp.vid.aruba_via_auth_profile",
FT_STRING, BASE_NONE, NULL, 0x0,
"Aruba Networks Auth Profile for VIA Client", HFILL }},
{ &hf_isakmp_vid_fortinet_fortigate_release,
{ "Release", "isakmp.vid.fortinet.fortigate.release",
FT_UINT16, BASE_DEC, NULL, 0x0,
"Release of Fortigate", HFILL }},
{ &hf_isakmp_vid_fortinet_fortigate_build,
{ "Build", "isakmp.vid.fortinet.fortigate.build",
FT_UINT16, BASE_DEC, NULL, 0x0,
"Build of Fortigate", HFILL }},
{ &hf_isakmp_ts_number_of_ts,
{ "Number of Traffic Selectors", "isakmp.ts.number",
FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_isakmp_ts_type,
{ "Traffic Selector Type", "isakmp.ts.type",
FT_UINT8, BASE_RANGE_STRING | BASE_DEC, RVALS(traffic_selector_type), 0x0,
NULL, HFILL }},
{ &hf_isakmp_ts_protoid,
{ "Protocol ID", "isakmp.ts.protoid",
FT_UINT8, BASE_DEC|BASE_EXT_STRING, &ipproto_val_ext, 0x0,
"IKEv2 Traffic Selector Protocol ID", HFILL }},
{ &hf_isakmp_ts_selector_length,
{ "Selector Length", "isakmp.ts.selector_length",
FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_isakmp_ts_start_port,
{ "Start Port", "isakmp.ts.start_port",
FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_isakmp_ts_end_port,
{ "End Port", "isakmp.ts.end_port",
FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_isakmp_ts_start_addr_ipv4,
{ "Starting Addr", "isakmp.ts.start_ipv4",
FT_IPv4, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_isakmp_ts_end_addr_ipv4,
{ "Ending Addr", "isakmp.ts.end_ipv4",
FT_IPv4, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_isakmp_ts_start_addr_ipv6,
{ "Starting Addr", "isakmp.ts.start_ipv6",
FT_IPv6, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_isakmp_ts_end_addr_ipv6,
{ "Ending Addr", "isakmp.ts.end_ipv6",
FT_IPv6, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_isakmp_ts_start_addr_fc,
{ "Starting Addr", "isakmp.ts.start_fc",
FT_UINT32, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_isakmp_ts_end_addr_fc,
{ "Ending Addr", "isakmp.ts.end_fc",
FT_UINT32, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_isakmp_ts_start_r_ctl,
{ "Starting R_CTL", "isakmp.ts.start_r_ctl",
FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_isakmp_ts_end_r_ctl,
{ "Ending R_CTL", "isakmp.ts.end_r_ctl",
FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_isakmp_ts_start_type,
{ "Starting Type", "isakmp.ts.start_type",
FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_isakmp_ts_end_type,
{ "Ending Type", "isakmp.ts.end_type",
FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_isakmp_ts_data,
{ "Traffic Selector", "isakmp.ts.data",
FT_NONE, BASE_NONE, NULL, 0x0,
"An individual traffic selector", HFILL }},
{ &hf_isakmp_num_spis,
{ "Number of SPIs", "isakmp.spinum",
FT_UINT16, BASE_DEC, NULL, 0x0,
"ISAKMP Number of SPIs", HFILL }},
{ &hf_isakmp_hash,
{ "Hash DATA", "isakmp.hash",
FT_BYTES, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_isakmp_sig,
{ "Signature DATA", "isakmp.sig",
FT_BYTES, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_isakmp_nonce,
{ "Nonce DATA", "isakmp.nonce",
FT_BYTES, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_isakmp_ike2_fragment_number,
{ "Fragment Number", "isakmp.frag.number",
FT_UINT16, BASE_DEC, NULL, 0x0,
"ISAKMP fragment number", HFILL }},
{ &hf_isakmp_ike2_total_fragments,
{ "Total Fragments", "isakmp.frag.total",
FT_UINT16, BASE_DEC, NULL, 0x0,
"ISAKMP total number of fragments", HFILL }},
{ &hf_isakmp_cisco_frag_packetid,
{ "Frag ID", "isakmp.frag.packetid",
FT_UINT16, BASE_HEX, NULL, 0x0,
"ISAKMP fragment packet-id", HFILL }},
{ &hf_isakmp_cisco_frag_seq,
{ "Frag seq", "isakmp.frag.seq",
FT_UINT8, BASE_DEC, NULL, 0x0,
"ISAKMP fragment number", HFILL }},
{ &hf_isakmp_cisco_frag_last,
{ "Frag last", "isakmp.frag.last",
FT_UINT8, BASE_DEC, VALS(frag_last_vals), 0x0,
"ISAKMP last fragment", HFILL }},
{ &hf_isakmp_fragments,
{"Message fragments", "isakmp.fragments",
FT_NONE, BASE_NONE, NULL, 0x00, NULL, HFILL } },
{ &hf_isakmp_fragment,
{"Message fragment", "isakmp.fragment",
FT_FRAMENUM, BASE_NONE, NULL, 0x00, NULL, HFILL } },
{ &hf_isakmp_fragment_overlap,
{"Message fragment overlap", "isakmp.fragment.overlap",
FT_BOOLEAN, BASE_NONE, NULL, 0x0, NULL, HFILL } },
{ &hf_isakmp_fragment_overlap_conflicts,
{"Message fragment overlapping with conflicting data",
"isakmp.fragment.overlap.conflicts",
FT_BOOLEAN, BASE_NONE, NULL, 0x0, NULL, HFILL } },
{ &hf_isakmp_fragment_multiple_tails,
{"Message has multiple tail fragments",
"isakmp.fragment.multiple_tails",
FT_BOOLEAN, BASE_NONE, NULL, 0x0, NULL, HFILL } },
{ &hf_isakmp_fragment_too_long_fragment,
{"Message fragment too long", "isakmp.fragment.too_long_fragment",
FT_BOOLEAN, BASE_NONE, NULL, 0x0, NULL, HFILL } },
{ &hf_isakmp_fragment_error,
{"Message defragmentation error", "isakmp.fragment.error",
FT_FRAMENUM, BASE_NONE, NULL, 0x00, NULL, HFILL } },
{ &hf_isakmp_fragment_count,
{"Message fragment count", "isakmp.fragment.count",
FT_UINT32, BASE_DEC, NULL, 0x00, NULL, HFILL } },
{ &hf_isakmp_reassembled_in,
{"Reassembled in", "isakmp.reassembled.in",
FT_FRAMENUM, BASE_NONE, NULL, 0x00, NULL, HFILL } },
{ &hf_isakmp_reassembled_length,
{"Reassembled ISAKMP length", "isakmp.reassembled.length",
FT_UINT32, BASE_DEC, NULL, 0x00, NULL, HFILL } },
{ &hf_isakmp_certreq_authority_sig,
{ "Certificate Authority Signature", "isakmp.ike.certreq.authority.sig",
FT_UINT32, BASE_DEC, NULL, 0x0,
NULL, HFILL } },
{ &hf_isakmp_certreq_authority_v1,
{ "Certificate Authority Data", "isakmp.ike.certreq.authority",
FT_BYTES, BASE_NONE, NULL, 0x0,
NULL, HFILL } },
{ &hf_isakmp_certreq_authority_v2,
{ "Certificate Authority Data", "isakmp.ike.certreq.authority",
FT_BYTES, BASE_NONE, NULL, 0x0,
"SHA-1 hash of the Certificate Authority", HFILL } },
{ &hf_isakmp_nat_keepalive,
{ "NAT Keepalive", "isakmp.ike.nat_keepalive",
FT_NONE, BASE_NONE, NULL, 0x0, "NAT Keepalive packet", HFILL } },
{ &hf_isakmp_nat_hash,
{ "HASH of the address and port", "isakmp.ike.nat_hash",
FT_BYTES, BASE_NONE, NULL, 0x00,
NULL, HFILL }},
{ &hf_isakmp_nat_original_address_ipv4,
{ "NAT Original IPv4 Address", "isakmp.ike.nat_original_address_ipv4",
FT_IPv4, BASE_NONE, NULL, 0x00,
NULL, HFILL }},
{ &hf_isakmp_nat_original_address_ipv6,
{ "NAT Original IPv6 Address", "isakmp.ike.nat_original_address_ipv6",
FT_IPv6, BASE_NONE, NULL, 0x00,
NULL, HFILL }},
/*tek key download type (ISAKMP phase 2 GDOI)*/
{ &hf_isakmp_tek_key_attr.all,
{ "Key download Tek Attribute", "isakmp.key_download.attr",
FT_NONE, BASE_NONE, NULL, 0x00,
NULL, HFILL }},
{ &hf_isakmp_tek_key_attr.type,
{ "Type", "isakmp.key_download.attr.type",
FT_UINT16, BASE_RANGE_STRING | BASE_DEC, NULL, 0x00,
"key_download Attribute type", HFILL }},
{ &hf_isakmp_tek_key_attr.format,
{ "Format", "isakmp.key_download.attr.format",
FT_BOOLEAN, 16, TFS(&attribute_format), 0x8000,
"key_download Attribute format", HFILL }},
{ &hf_isakmp_tek_key_attr.length,
{ "Length", "isakmp.key_download.attr.length",
FT_UINT16, BASE_DEC, NULL, 0x00,
"key_download Attribute length", HFILL }},
{ &hf_isakmp_tek_key_attr.value,
{ "Value", "isakmp.key_download.attr.value",
FT_BYTES, BASE_NONE, NULL, 0x00,
"key_download Attribute value", HFILL }},
/* IPsec SA Attributes (ISAKMP Phase 2) */
{ &hf_isakmp_ipsec_attr.all,
{ "IPsec Attribute", "isakmp.ipsec.attr",
FT_NONE, BASE_NONE, NULL, 0x00,
NULL, HFILL }},
{ &hf_isakmp_ipsec_attr.type,
{ "Type", "isakmp.ipsec.attr.type",
FT_UINT16, BASE_RANGE_STRING | BASE_DEC, RVALS(ipsec_attr_type), 0x00,
"IPsec Attribute type", HFILL }},
{ &hf_isakmp_ipsec_attr.format,
{ "Format", "isakmp.ipsec.attr.format",
FT_BOOLEAN, 16, TFS(&attribute_format), 0x8000,
"IPsec Attribute format", HFILL }},
{ &hf_isakmp_ipsec_attr.length,
{ "Length", "isakmp.ipsec.attr.length",
FT_UINT16, BASE_DEC, NULL, 0x00,
"IPsec Attribute length", HFILL }},
{ &hf_isakmp_ipsec_attr.value,
{ "Value", "isakmp.ipsec.attr.value",
FT_BYTES, BASE_NONE, NULL, 0x00,
"IPsec Attribute value", HFILL }},
{ &hf_isakmp_ipsec_attr_life_type,
{ "Life Type", "isakmp.ipsec.attr.life_type",
FT_UINT16, BASE_DEC, VALS(attr_life_type), 0x00,
"The unit (seconds or kilobytes) of the associated Life Duration attribute.", HFILL }},
{ &hf_isakmp_ipsec_attr_life_duration_uint32,
{ "Life Duration", "isakmp.ipsec.attr.life_duration",
FT_UINT32, BASE_DEC, NULL, 0x00,
NULL, HFILL }},
{ &hf_isakmp_ipsec_attr_life_duration_uint64,
{ "Life Duration", "isakmp.ipsec.attr.life_duration64",
FT_UINT64, BASE_DEC, NULL, 0x00,
NULL, HFILL }},
{ &hf_isakmp_ipsec_attr_life_duration_bytes,
{ "Life Duration", "isakmp.ipsec.attr.life_duration_bytes",
FT_BYTES, BASE_NONE, NULL, 0x00,
NULL, HFILL }},
{ &hf_isakmp_ipsec_attr_group_description,
{ "Group Description", "isakmp.ipsec.attr.group_description",
FT_UINT16, BASE_DEC, VALS(dh_group), 0x00,
NULL, HFILL }},
{ &hf_isakmp_ipsec_attr_encap_mode,
{ "Encapsulation Mode", "isakmp.ipsec.attr.encap_mode",
FT_UINT16, BASE_DEC, VALS(ipsec_attr_encap_mode), 0x00,
NULL, HFILL }},
{ &hf_isakmp_ipsec_attr_auth_algorithm,
{ "Authentication Algorithm", "isakmp.ipsec.attr.auth_algorithm",
FT_UINT16, BASE_DEC, VALS(ipsec_attr_auth_algo), 0x00,
NULL, HFILL }},
{ &hf_isakmp_ipsec_attr_key_length,
{ "Key Length", "isakmp.ipsec.attr.key_length",
FT_UINT16, BASE_DEC, NULL, 0x00,
NULL, HFILL }},
{ &hf_isakmp_ipsec_attr_key_rounds,
{ "Key Rounds", "isakmp.ipsec.attr.key_rounds",
FT_UINT16, BASE_DEC, NULL, 0x00,
NULL, HFILL }},
{ &hf_isakmp_ipsec_attr_cmpr_dict_size,
{ "Compress Dictionary Size", "isakmp.ipsec.attr.cmpr_dict_size",
FT_UINT16, BASE_DEC, NULL, 0x00,
NULL, HFILL }},
{ &hf_isakmp_ipsec_attr_cmpr_algorithm,
{ "Compress Private Algorithm", "isakmp.ipsec.attr.cmpr_algorithm",
FT_BYTES, BASE_NONE, NULL, 0x00,
NULL, HFILL }},
{ &hf_isakmp_ipsec_attr_ecn_tunnel,
{ "ECN Tunnel", "isakmp.ipsec.attr.ecn_tunnel",
FT_UINT16, BASE_DEC, VALS(ipsec_attr_ecn_tunnel), 0x00,
NULL, HFILL }},
{ &hf_isakmp_ipsec_attr_ext_seq_nbr,
{ "Extended (64-bit) Sequence Number", "isakmp.ipsec.attr.ext_seq_nbr",
FT_UINT16, BASE_DEC, VALS(ipsec_attr_ext_seq_nbr), 0x00,
NULL, HFILL }},
{ &hf_isakmp_ipsec_attr_auth_key_length,
{ "Authentication Key Length", "isakmp.ipsec.attr.auth_key_length",
FT_UINT16, BASE_DEC, NULL, 0x00,
NULL, HFILL }},
{ &hf_isakmp_ipsec_attr_sig_enco_algorithm,
{ "Signature Encoding Algorithm", "isakmp.ipsec.attr.sig_enco_algorithm",
FT_BYTES, BASE_NONE, NULL, 0x00,
NULL, HFILL }},
{ &hf_isakmp_ipsec_attr_addr_preservation,
{ "Address Preservation", "isakmp.ipsec.attr.addr_preservation",
FT_UINT16, BASE_DEC, VALS(ipsec_attr_addr_preservation), 0x00,
NULL, HFILL }},
{ &hf_isakmp_ipsec_attr_sa_direction,
{ "SA Direction", "isakmp.ipsec.attr.sa_direction",
FT_UINT16, BASE_DEC, VALS(ipsec_attr_sa_direction), 0x00,
NULL, HFILL }},
/* Responder Lifetime Notification for IPsec SA */
{ &hf_isakmp_resp_lifetime_ipsec_attr.all,
{ "IPsec Attribute", "isakmp.notify.data.resp_lifetime.ipsec.attr",
FT_NONE, BASE_NONE, NULL, 0x00,
NULL, HFILL }},
{ &hf_isakmp_resp_lifetime_ipsec_attr.type,
{ "Type", "isakmp.notify.data.resp_lifetime.ipsec.attr.type",
FT_UINT16, BASE_RANGE_STRING | BASE_DEC, RVALS(ipsec_attr_type), 0x00,
"IPsec Attribute type", HFILL }},
{ &hf_isakmp_resp_lifetime_ipsec_attr.format,
{ "Format", "isakmp.notify.data.resp_lifetime.ipsec.attr.format",
FT_BOOLEAN, 16, TFS(&attribute_format), 0x8000,
"IPsec Attribute format", HFILL }},
{ &hf_isakmp_resp_lifetime_ipsec_attr.length,
{ "Length", "isakmp.notify.data.resp_lifetime.ipsec.attr.length",
FT_UINT16, BASE_DEC, NULL, 0x00,
"IPsec Attribute length", HFILL }},
{ &hf_isakmp_resp_lifetime_ipsec_attr.value,
{ "Value", "isakmp.notify.data.resp_lifetime.ipsec.attr.value",
FT_BYTES, BASE_NONE, NULL, 0x00,
"IPsec Attribute value", HFILL }},
{ &hf_isakmp_resp_lifetime_ipsec_attr_life_type,
{ "Life Type", "isakmp.notify.data.resp_lifetime.ipsec.attr.life_type",
FT_UINT16, BASE_DEC, VALS(attr_life_type), 0x00,
"The unit (seconds or kilobytes) of the associated Life Duration attribute.", HFILL }},
{ &hf_isakmp_resp_lifetime_ipsec_attr_life_duration_uint32,
{ "Life Duration", "isakmp.notify.data.resp_lifetime.ipsec.attr.life_duration",
FT_UINT32, BASE_DEC, NULL, 0x00,
NULL, HFILL }},
{ &hf_isakmp_resp_lifetime_ipsec_attr_life_duration_uint64,
{ "Life Duration", "isakmp.notify.data.resp_lifetime.ipsec.attr.life_duration64",
FT_UINT64, BASE_DEC, NULL, 0x00,
NULL, HFILL }},
{ &hf_isakmp_resp_lifetime_ipsec_attr_life_duration_bytes,
{ "Life Duration", "isakmp.notify.data.resp_lifetime.ipsec.attr.life_duration_bytes",
FT_BYTES, BASE_NONE, NULL, 0x00,
NULL, HFILL }},
/* IKEv1 SA Attributes (ISAKMP SA, Phase 1) */
{ &hf_isakmp_ike_attr.all,
{ "IKE Attribute", "isakmp.ike.attr",
FT_NONE, BASE_NONE, NULL, 0x00,
NULL, HFILL }},
{ &hf_isakmp_ike_attr.type,
{ "Type", "isakmp.ike.attr.type",
FT_UINT16, BASE_RANGE_STRING | BASE_DEC, RVALS(ike_attr_type), 0x00,
"IKEv1 Attribute type", HFILL }},
{ &hf_isakmp_ike_attr.format,
{ "Format", "isakmp.ike.attr.format",
FT_BOOLEAN, 16, TFS(&attribute_format), 0x8000,
"IKEv1 Attribute format", HFILL }},
{ &hf_isakmp_ike_attr.length,
{ "Length", "isakmp.ike.attr.length",
FT_UINT16, BASE_DEC, NULL, 0x00,
"IKEv1 Attribute length", HFILL }},
{ &hf_isakmp_ike_attr.value,
{ "Value", "isakmp.ike.attr.value",
FT_BYTES, BASE_NONE, NULL, 0x00,
"IKEv1 Attribute value", HFILL }},
{ &hf_isakmp_ike_attr_encryption_algorithm,
{ "Encryption Algorithm", "isakmp.ike.attr.encryption_algorithm",
FT_UINT16, BASE_DEC, VALS(ike_attr_enc_algo), 0x00,
NULL, HFILL }},
{ &hf_isakmp_ike_attr_hash_algorithm,
{ "HASH Algorithm", "isakmp.ike.attr.hash_algorithm",
FT_UINT16, BASE_DEC, VALS(ike_attr_hash_algo), 0x00,
NULL, HFILL }},
{ &hf_isakmp_ike_attr_authentication_method,
{ "Authentication Method", "isakmp.ike.attr.authentication_method",
FT_UINT16, BASE_DEC, VALS(ike_attr_authmeth), 0x00,
NULL, HFILL }},
{ &hf_isakmp_ike_attr_group_description,
{ "Group Description", "isakmp.ike.attr.group_description",
FT_UINT16, BASE_DEC, VALS(dh_group), 0x00,
NULL, HFILL }},
{ &hf_isakmp_ike_attr_group_type,
{ "Group Type", "isakmp.ike.attr.group_type",
FT_UINT16, BASE_DEC, VALS(ike_attr_grp_type), 0x00,
NULL, HFILL }},
{ &hf_isakmp_ike_attr_group_prime,
{ "Group Prime", "isakmp.ike.attr.group_prime",
FT_BYTES, BASE_NONE, NULL, 0x00,
NULL, HFILL }},
{ &hf_isakmp_ike_attr_group_generator_one,
{ "Group Generator One", "isakmp.ike.attr.group_generator_one",
FT_BYTES, BASE_NONE, NULL, 0x00,
NULL, HFILL }},
{ &hf_isakmp_ike_attr_group_generator_two,
{ "Group Generator Two", "isakmp.ike.attr.group_generator_two",
FT_BYTES, BASE_NONE, NULL, 0x00,
NULL, HFILL }},
{ &hf_isakmp_ike_attr_group_curve_a,
{ "Group Curve A", "isakmp.ike.attr.group_curve_a",
FT_BYTES, BASE_NONE, NULL, 0x00,
NULL, HFILL }},
{ &hf_isakmp_ike_attr_group_curve_b,
{ "Group Curve B", "isakmp.ike.attr.group_curve_b",
FT_BYTES, BASE_NONE, NULL, 0x00,
NULL, HFILL }},
{ &hf_isakmp_ike_attr_life_type,
{ "Life Type", "isakmp.ike.attr.life_type",
FT_UINT16, BASE_DEC, VALS(attr_life_type), 0x00,
"The unit (seconds or kilobytes) of the associated Life Duration attribute.", HFILL }},
{ &hf_isakmp_ike_attr_life_duration_uint32,
{ "Life Duration", "isakmp.ike.attr.life_duration",
FT_UINT32, BASE_DEC, NULL, 0x00,
NULL, HFILL }},
{ &hf_isakmp_ike_attr_life_duration_uint64,
{ "Life Duration", "isakmp.ike.attr.life_duration64",
FT_UINT64, BASE_DEC, NULL, 0x00,
NULL, HFILL }},
{ &hf_isakmp_ike_attr_life_duration_bytes,
{ "Life Duration", "isakmp.ike.attr.life_duration_bytes",
FT_BYTES, BASE_NONE, NULL, 0x00,
NULL, HFILL }},
{ &hf_isakmp_ike_attr_prf,
{ "PRF", "isakmp.ike.attr.prf",
FT_BYTES, BASE_NONE, NULL, 0x00,
NULL, HFILL }},
{ &hf_isakmp_ike_attr_key_length,
{ "Key Length", "isakmp.ike.attr.key_length",
FT_UINT16, BASE_DEC, NULL, 0x00,
NULL, HFILL }},
{ &hf_isakmp_ike_attr_field_size,
{ "Field Size", "isakmp.ike.attr.field_size",
FT_BYTES, BASE_NONE, NULL, 0x00,
NULL, HFILL }},
{ &hf_isakmp_ike_attr_group_order,
{ "Group Order", "isakmp.ike.attr.group_order",
FT_BYTES, BASE_NONE, NULL, 0x00,
NULL, HFILL }},
/* Responder Lifetime Notification for IKEv1 SA */
{ &hf_isakmp_resp_lifetime_ike_attr.all,
{ "IKE Attribute", "isakmp.notify.data.resp_lifetime.ike.attr",
FT_NONE, BASE_NONE, NULL, 0x00,
NULL, HFILL }},
{ &hf_isakmp_resp_lifetime_ike_attr.type,
{ "Type", "isakmp.notify.data.resp_lifetime.ike.attr.type",
FT_UINT16, BASE_RANGE_STRING | BASE_DEC, RVALS(ike_attr_type), 0x00,
"IKEv1 Attribute type", HFILL }},
{ &hf_isakmp_resp_lifetime_ike_attr.format,
{ "Format", "isakmp.notify.data.resp_lifetime.ike.attr.format",
FT_BOOLEAN, 16, TFS(&attribute_format), 0x8000,
"IKEv1 Attribute format", HFILL }},
{ &hf_isakmp_resp_lifetime_ike_attr.length,
{ "Length", "isakmp.notify.data.resp_lifetime.ike.attr.length",
FT_UINT16, BASE_DEC, NULL, 0x00,
"IKEv1 Attribute length", HFILL }},
{ &hf_isakmp_resp_lifetime_ike_attr.value,
{ "Value", "isakmp.notify.data.resp_lifetime.ike.attr.value",
FT_BYTES, BASE_NONE, NULL, 0x00,
"IKEv1 Attribute value", HFILL }},
{ &hf_isakmp_resp_lifetime_ike_attr_life_type,
{ "Life Type", "isakmp.notify.data.resp_lifetime.ike.attr.life_type",
FT_UINT16, BASE_DEC, VALS(attr_life_type), 0x00,
"The unit (seconds or kilobytes) of the associated Life Duration attribute.", HFILL }},
{ &hf_isakmp_resp_lifetime_ike_attr_life_duration_uint32,
{ "Life Duration", "isakmp.notify.data.resp_lifetime.ike.attr.life_duration",
FT_UINT32, BASE_DEC, NULL, 0x00,
NULL, HFILL }},
{ &hf_isakmp_resp_lifetime_ike_attr_life_duration_uint64,
{ "Life Duration", "isakmp.notify.data.resp_lifetime.ike.attr.life_duration64",
FT_UINT64, BASE_DEC, NULL, 0x00,
NULL, HFILL }},
{ &hf_isakmp_resp_lifetime_ike_attr_life_duration_bytes,
{ "Life Duration", "isakmp.notify.data.resp_lifetime.ike.attr.life_duration_bytes",
FT_BYTES, BASE_NONE, NULL, 0x00,
NULL, HFILL }},
/* IKEv2 Transform */
{ &hf_isakmp_trans_type,
{ "Transform Type", "isakmp.tf.type",
FT_UINT8, BASE_RANGE_STRING | BASE_DEC, RVALS(transform_ike2_type), 0x00,
NULL, HFILL }},
{ &hf_isakmp_trans_encr,
{ "Transform ID (ENCR)", "isakmp.tf.id.encr",
FT_UINT16, BASE_DEC, VALS(transform_ike2_encr_type), 0x00,
NULL, HFILL }},
{ &hf_isakmp_trans_prf,
{ "Transform ID (PRF)", "isakmp.tf.id.prf",
FT_UINT16, BASE_DEC, VALS(transform_ike2_prf_type), 0x00,
NULL, HFILL }},
{ &hf_isakmp_trans_integ,
{ "Transform ID (INTEG)", "isakmp.tf.id.integ",
FT_UINT16, BASE_DEC, VALS(transform_ike2_integ_type), 0x00,
NULL, HFILL }},
{ &hf_isakmp_trans_dh,
{ "Transform ID (D-H)", "isakmp.tf.id.dh",
FT_UINT16, BASE_DEC, VALS(dh_group), 0x00,
NULL, HFILL }},
{ &hf_isakmp_trans_esn,
{ "Transform ID (ESN)", "isakmp.tf.id.esn",
FT_UINT16, BASE_DEC, VALS(transform_ike2_esn_type), 0x00,
NULL, HFILL }},
{ &hf_isakmp_trans_id_v2,
{ "Transform ID", "isakmp.tf.id",
FT_UINT16, BASE_DEC, NULL, 0x00,
NULL, HFILL }},
/* IKEv2 Transform Attributes */
{ &hf_isakmp_ike2_attr.all,
{ "Transform Attribute", "isakmp.ike2.attr",
FT_NONE, BASE_NONE, NULL, 0x00,
"IKEv2 Transform Attribute", HFILL }},
{ &hf_isakmp_ike2_attr.type,
{ "Type", "isakmp.ike2.attr.type",
FT_UINT16, BASE_RANGE_STRING | BASE_DEC, RVALS(transform_ike2_attr_type), 0x00,
"IKEv2 Transform Attribute type", HFILL }},
{ &hf_isakmp_ike2_attr.format,
{ "Format", "isakmp.ike2.attr.format",
FT_BOOLEAN, 16, TFS(&attribute_format), 0x8000,
"IKEv2 Transform Attribute format", HFILL }},
{ &hf_isakmp_ike2_attr.length,
{ "Length", "isakmp.ike2.attr.length",
FT_UINT16, BASE_DEC, NULL, 0x00,
"IKEv2 Transform Attribute length", HFILL }},
{ &hf_isakmp_ike2_attr.value,
{ "Value", "isakmp.ike2.attr.value",
FT_BYTES, BASE_NONE, NULL, 0x00,
"IKEv2 Transform Attribute value", HFILL }},
{ &hf_isakmp_ike2_attr_key_length,
{ "Key Length", "isakmp.ike2.attr.key_length",
FT_UINT16, BASE_DEC, NULL, 0x00,
NULL, HFILL }},
{ &hf_isakmp_key_exch_dh_group,
{ "DH Group #", "isakmp.key_exchange.dh_group",
FT_UINT16, BASE_DEC, VALS(dh_group), 0x00,
NULL, HFILL }},
{ &hf_isakmp_key_exch_data,
{ "Key Exchange Data", "isakmp.key_exchange.data",
FT_BYTES, BASE_NONE, NULL, 0x00,
NULL, HFILL }},
{ &hf_isakmp_eap_data,
{ "EAP Message", "isakmp.eap.data",
FT_BYTES, BASE_NONE, NULL, 0x00,
NULL, HFILL }},
{ &hf_isakmp_gspm_data,
{ "GSPM", "isakmp.gspm.data",
FT_BYTES, BASE_NONE, NULL, 0x00,
"Generic Secure Password Method", HFILL }},
/* Config Payload */
{ &hf_isakmp_cfg_type_v1,
{ "Type", "isakmp.cfg.type",
FT_UINT8, BASE_RANGE_STRING | BASE_DEC, RVALS(vs_v1_cfgtype), 0x0,
"IKEv1 Config Type", HFILL }},
{ &hf_isakmp_cfg_identifier,
{ "Identifier", "isakmp.cfg.identifier",
FT_UINT16, BASE_DEC, NULL, 0x0,
"IKEv1 Config Identifier", HFILL }},
{ &hf_isakmp_cfg_type_v2,
{ "Type", "isakmp.cfg.type",
FT_UINT8, BASE_RANGE_STRING | BASE_DEC, RVALS(vs_v2_cfgtype), 0x0,
"IKEv2 Config Type", HFILL }},
/* Config Attributes */
{ &hf_isakmp_cfg_attr.all,
{ "Config Attribute", "isakmp.cfg.attr",
FT_NONE, BASE_NONE, NULL, 0x00,
NULL, HFILL }},
{ &hf_isakmp_cfg_attr_type_v1,
{ "Type", "isakmp.cfg.attr.type",
FT_UINT16, BASE_RANGE_STRING | BASE_DEC, RVALS(vs_v1_cfgattr), 0x00,
"IKEv1 Config Attribute type", HFILL }},
{ &hf_isakmp_cfg_attr_type_v2,
{ "Type", "isakmp.cfg.attr.type",
FT_UINT16, BASE_RANGE_STRING | BASE_DEC, RVALS(vs_v2_cfgattr), 0x00,
"IKEv2 Config Attribute type", HFILL }},
{ &hf_isakmp_cfg_attr.format,
{ "Format", "isakmp.cfg.attr.format",
FT_BOOLEAN, 16, TFS(&attribute_format), 0x8000,
"Config Attribute format", HFILL }},
{ &hf_isakmp_cfg_attr.length,
{ "Length", "isakmp.cfg.attr.length",
FT_UINT16, BASE_DEC, NULL, 0x00,
"Config Attribute length", HFILL }},
{ &hf_isakmp_cfg_attr.value,
{ "Value", "isakmp.cfg.attr.value",
FT_BYTES, BASE_NONE, NULL, 0x00,
"Config Attribute value", HFILL }},
{ &hf_isakmp_cfg_attr_internal_ip4_address,
{ "INTERNAL IP4 ADDRESS", "isakmp.cfg.attr.internal_ip4_address",
FT_IPv4, BASE_NONE, NULL, 0x00,
"An IPv4 address on the internal network", HFILL }},
{ &hf_isakmp_cfg_attr_internal_ip4_netmask,
{ "INTERNAL IP4 NETMASK", "isakmp.cfg.attr.internal_ip4_netmask",
FT_IPv4, BASE_NETMASK, NULL, 0x00,
"The internal network's netmask", HFILL }},
{ &hf_isakmp_cfg_attr_internal_ip4_dns,
{ "INTERNAL IP4 DNS", "isakmp.cfg.attr.internal_ip4_dns",
FT_IPv4, BASE_NONE, NULL, 0x00,
"An IPv4 address of a DNS server within the network", HFILL }},
{ &hf_isakmp_cfg_attr_internal_ip4_nbns,
{ "INTERNAL IP4 NBNS", "isakmp.cfg.attr.internal_ip4_nbns",
FT_IPv4, BASE_NONE, NULL, 0x00,
"An IPv4 address of a NetBios Name Server (WINS) within the network", HFILL }},
{ &hf_isakmp_cfg_attr_internal_address_expiry,
{ "INTERNAL ADDRESS EXPIRY (Secs)", "isakmp.cfg.attr.internal_address_expiry",
FT_UINT32, BASE_DEC, NULL, 0x00,
"Specifies the number of seconds that the host can use the internal IP address", HFILL }},
{ &hf_isakmp_cfg_attr_internal_ip4_dhcp,
{ "INTERNAL IP4 DHCP", "isakmp.cfg.attr.internal_ip4_dhcp",
FT_IPv4, BASE_NONE, NULL, 0x00,
"the host to send any internal DHCP requests to the address", HFILL }},
{ &hf_isakmp_cfg_attr_application_version,
{ "APPLICATION VERSION", "isakmp.cfg.attr.application_version",
FT_STRING, BASE_NONE, NULL, 0x00,
"The version or application information of the IPsec host", HFILL }},
{ &hf_isakmp_cfg_attr_internal_ip6_address_ip,
{ "INTERNAL IP6 ADDRESS", "isakmp.cfg.attr.internal_ip6_address",
FT_IPv6, BASE_NONE, NULL, 0x00,
"An IPv6 address on the internal network", HFILL }},
{ &hf_isakmp_cfg_attr_internal_ip6_address_prefix,
{ "INTERNAL IP6 ADDRESS (PREFIX)", "isakmp.cfg.attr.internal_ip6_address.prefix",
FT_UINT8, BASE_DEC, NULL, 0x00,
NULL, HFILL }},
{ &hf_isakmp_cfg_attr_internal_ip6_netmask,
{ "INTERNAL IP4 NETMASK", "isakmp.cfg.attr.internal_ip6_netmask",
FT_IPv6, BASE_NONE, NULL, 0x00,
"The internal network's netmask", HFILL }},
{ &hf_isakmp_cfg_attr_internal_ip6_dns,
{ "INTERNAL IP6 DNS", "isakmp.cfg.attr.internal_ip6_dns",
FT_IPv6, BASE_NONE, NULL, 0x00,
"An IPv6 address of a DNS server within the network", HFILL }},
{ &hf_isakmp_cfg_attr_internal_ip6_nbns,
{ "INTERNAL IP6 NBNS", "isakmp.cfg.attr.internal_ip6_nbns",
FT_IPv6, BASE_NONE, NULL, 0x00,
"An IPv6 address of a NetBios Name Server (WINS) within the network", HFILL }},
{ &hf_isakmp_cfg_attr_internal_ip6_dhcp,
{ "INTERNAL IP6 DHCP", "isakmp.cfg.attr.internal_ip6_dhcp",
FT_IPv6, BASE_NONE, NULL, 0x00,
"The host to send any internal DHCP requests to the address", HFILL }},
{ &hf_isakmp_cfg_attr_internal_ip4_subnet_ip,
{ "INTERNAL IP4 SUBNET (IP)", "isakmp.cfg.attr.internal_ip4_subnet_ip",
FT_IPv4, BASE_NONE, NULL, 0x00,
"The protected sub-networks that this edge-device protects (IP)", HFILL }},
{ &hf_isakmp_cfg_attr_internal_ip4_subnet_netmask,
{ "INTERNAL IP4 SUBNET (NETMASK)", "isakmp.cfg.attr.internal_ip4_subnet_netmask",
FT_IPv4, BASE_NETMASK, NULL, 0x00,
"The protected sub-networks that this edge-device protects (IP)", HFILL }},
{ &hf_isakmp_cfg_attr_supported_attributes,
{ "SUPPORTED ATTRIBUTES", "isakmp.cfg.attr.supported_attributes",
FT_UINT16, BASE_DEC, NULL, 0x00,
NULL, HFILL }},
{ &hf_isakmp_cfg_attr_internal_ip6_subnet_ip,
{ "INTERNAL_IP6_SUBNET (IP)", "isakmp.cfg.attr.internal_ip6_subnet_ip",
FT_IPv6, BASE_NONE, NULL, 0x00,
NULL, HFILL }},
{ &hf_isakmp_cfg_attr_internal_ip6_subnet_prefix,
{ "INTERNAL_IP6_SUBNET (PREFIX)", "isakmp.cfg.attr.internal_ip6_subnet_prefix",
FT_UINT8, BASE_DEC, NULL, 0x00,
NULL, HFILL }},
{ &hf_isakmp_cfg_attr_internal_ip6_link_interface,
{ "INTERNAL_IP6_LINK (Link-Local Interface ID)", "isakmp.cfg.attr.internal_ip6_link_interface",
FT_UINT64, BASE_DEC, NULL, 0x00,
"The Interface ID used for link-local address (by the party that sent this attribute)", HFILL }},
{ &hf_isakmp_cfg_attr_internal_ip6_link_id,
{ "INTERNAL_IP6_LINK (IKEv2 Link ID)", "isakmp.cfg.attr.internal_ip6_link_id",
FT_BYTES, BASE_NONE, NULL, 0x00,
"The Link ID is selected by the VPN gateway and is treated as an opaque octet string by the client.", HFILL }},
{ &hf_isakmp_cfg_attr_internal_ip6_prefix_ip,
{ "INTERNAL_IP6_PREFIX (IP)", "isakmp.cfg.attr.internal_ip6_prefix_ip",
FT_IPv6, BASE_NONE, NULL, 0x00,
"An IPv6 prefix assigned to the virtual link", HFILL }},
{ &hf_isakmp_cfg_attr_internal_ip6_prefix_length,
{ "INTERNAL_IP6_PREFIX (Length)", "isakmp.cfg.attr.internal_ip6_prefix_length",
FT_UINT8, BASE_DEC, NULL, 0x00,
"The length of the prefix in bits (usually 64)", HFILL }},
{ &hf_isakmp_cfg_attr_p_cscf_ip4_address,
{ "P_CSCF_IP4_ADDRESS (IP)", "isakmp.cfg.attr.p_cscf_ip4_address",
FT_IPv4, BASE_NONE, NULL, 0x00,
"An IPv4 address of the P-CSCF server", HFILL }},
{ &hf_isakmp_cfg_attr_p_cscf_ip6_address,
{ "P_CSCF_IP6_ADDRESS (IP)", "isakmp.cfg.attr.p_cscf_ip6_address",
FT_IPv6, BASE_NONE, NULL, 0x00,
"An IPv6 address of the P-CSCF server", HFILL }},
{ &hf_isakmp_cfg_attr_xauth_type,
{ "XAUTH TYPE", "isakmp.cfg.attr.xauth.type",
FT_UINT16, BASE_RANGE_STRING | BASE_DEC, RVALS(cfgattr_xauth_type), 0x00,
"The type of extended authentication requested", HFILL }},
{ &hf_isakmp_cfg_attr_xauth_user_name,
{ "XAUTH USER NAME", "isakmp.cfg.attr.xauth.user_name",
FT_STRING, BASE_NONE, NULL, 0x00,
"The user name", HFILL }},
{ &hf_isakmp_cfg_attr_xauth_user_password,
{ "XAUTH USER PASSWORD", "isakmp.cfg.attr.xauth.user_password",
FT_STRING, BASE_NONE, NULL, 0x00,
"The user's password", HFILL }},
{ &hf_isakmp_cfg_attr_xauth_passcode,
{ "XAUTH PASSCODE", "isakmp.cfg.attr.xauth.passcode",
FT_STRING, BASE_NONE, NULL, 0x00,
"A token card's passcode", HFILL }},
{ &hf_isakmp_cfg_attr_xauth_message,
{ "XAUTH MESSAGE", "isakmp.cfg.attr.xauth.message",
FT_STRING, BASE_NONE, NULL, 0x00,
"A textual message from an edge device to an IPSec host", HFILL }},
{ &hf_isakmp_cfg_attr_xauth_challenge,
{ "XAUTH CHALLENGE", "isakmp.cfg.attr.xauth.challenge",
FT_STRING, BASE_NONE, NULL, 0x00,
"A challenge string sent from the edge device to the IPSec host for it to include in its calculation of a password", HFILL }},
{ &hf_isakmp_cfg_attr_xauth_domain,
{ "XAUTH DOMAIN", "isakmp.cfg.attr.xauth.domain",
FT_STRING, BASE_NONE, NULL, 0x00,
"The domain to be authenticated in", HFILL }},
{ &hf_isakmp_cfg_attr_xauth_status,
{ "XAUTH STATUS", "isakmp.cfg.attr.xauth.status",
FT_UINT16, BASE_DEC, VALS(cfgattr_xauth_status), 0x00,
"A variable that is used to denote authentication success or failure", HFILL }},
{ &hf_isakmp_cfg_attr_xauth_next_pin,
{ "XAUTH TYPE", "isakmp.cfg.attr.xauth.next_pin",
FT_STRING, BASE_NONE, NULL, 0x00,
"A variable which is used when the edge device is requesting that the user choose a new pin number", HFILL }},
{ &hf_isakmp_cfg_attr_xauth_answer,
{ "XAUTH ANSWER", "isakmp.cfg.attr.xauth.answer",
FT_STRING, BASE_NONE, NULL, 0x00,
"A variable length ASCII string used to send input to the edge device", HFILL }},
{ &hf_isakmp_cfg_attr_unity_banner,
{ "UNITY BANNER", "isakmp.cfg.attr.unity.banner",
FT_STRING, BASE_NONE, NULL, 0x00,
"Banner", HFILL }},
{ &hf_isakmp_cfg_attr_unity_def_domain,
{ "UNITY DEF DOMAIN", "isakmp.cfg.attr.unity.def_domain",
FT_STRING, BASE_NONE, NULL, 0x00,
NULL, HFILL }},
/* SA KEK Payload */
{ &hf_isakmp_sak_next_payload,
{ "Next Payload", "isakmp.sak.nextpayload",
FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_isakmp_sak_reserved,
{ "Reserved", "isakmp.sak.reserved",
FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_isakmp_sak_payload_len ,
{ "Payload length", "isakmp.sak.payload_len",
FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_isakmp_sak_protocol,
{ "Protocol ID", "isakmp.sak.protoid",
FT_UINT8, BASE_DEC|BASE_EXT_STRING, &ipproto_val_ext, 0x0,
NULL, HFILL }},
{ &hf_isakmp_sak_src_id_type,
{ "SRC ID Type", "isakmp.sak.src_id_type",
FT_UINT8, BASE_RANGE_STRING | BASE_DEC, RVALS(vs_v1_id_type), 0x0,
NULL, HFILL }},
{ &hf_isakmp_sak_src_id_port,
{ "SRC ID Port", "isakmp.sak.src_id_port",
FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_isakmp_sak_src_id_length,
{ "SRC ID Data Length", "isakmp.sak.src_id_length",
FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_isakmp_sak_src_id_data,
{ "SRC ID Data", "isakmp.sak.src_id_data",
FT_BYTES, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_isakmp_sak_dst_id_type,
{ "DST ID Type", "isakmp.sak.dst_id_type",
FT_UINT8, BASE_RANGE_STRING | BASE_DEC, RVALS(vs_v1_id_type), 0x0,
NULL, HFILL }},
{ &hf_isakmp_sak_dst_id_port,
{ "DST ID Port", "isakmp.sak.dst_id_port",
FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_isakmp_sak_dst_id_length,
{ "DST ID Data Length", "isakmp.sak.dst_id_length",
FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_isakmp_sak_dst_id_data,
{ "DST ID Data", "isakmp.sak.dst_id_data",
FT_BYTES, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_isakmp_sak_spi,
{ "SPI", "isakmp.sak.spi",
FT_BYTES, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
/* SA TEK Payload */
{ &hf_isakmp_sat_next_payload,
{ "Next Payload", "isakmp.sat.nextpayload",
FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_isakmp_sat_reserved,
{ "Reserved", "isakmp.sat.reserved",
FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_isakmp_sat_payload_len ,
{ "Payload length", "isakmp.sat.payload_len",
FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_isakmp_sat_protocol_id,
{ "Protocol ID", "isakmp.sat.protocol_id",
FT_UINT8, BASE_RANGE_STRING | BASE_DEC, RVALS(sat_protocol_ids), 0x0,
NULL, HFILL }},
{ &hf_isakmp_sat_protocol,
{ "Internet Protocol", "isakmp.sat.protocol",
FT_UINT8, BASE_DEC|BASE_EXT_STRING, &ipproto_val_ext, 0x0,
NULL, HFILL }},
{ &hf_isakmp_sat_src_id_type,
{ "SRC ID Type", "isakmp.sat.src_id_type",
FT_UINT8, BASE_RANGE_STRING | BASE_DEC, RVALS(vs_v1_id_type), 0x0,
NULL, HFILL }},
{ &hf_isakmp_sat_src_id_port,
{ "SRC ID Port", "isakmp.sat.src_id_port",
FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_isakmp_sat_src_id_length,
{ "SRC ID Data Length", "isakmp.sat.src_id_length",
FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_isakmp_sat_src_id_data,
{ "SRC ID Data", "isakmp.sat.src_id_data",
FT_BYTES, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_isakmp_sat_dst_id_type,
{ "DST ID Type", "isakmp.sat.dst_id_type",
FT_UINT8, BASE_RANGE_STRING | BASE_DEC, RVALS(vs_v1_id_type), 0x0,
NULL, HFILL }},
{ &hf_isakmp_sat_dst_id_port,
{ "DST ID Port", "isakmp.sat.dst_id_port",
FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_isakmp_sat_dst_id_length,
{ "DST ID Data Length", "isakmp.sat.dst_id_length",
FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_isakmp_sat_dst_id_data,
{ "DST ID Data", "isakmp.sat.dst_id_data",
FT_BYTES, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_isakmp_sat_transform_id,
{ "Transform ID", "isakmp.sat.transform_id",
FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_isakmp_sat_spi,
{ "SPI", "isakmp.sat.spi",
FT_BYTES, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_isakmp_sat_payload,
{ "TEK Payload", "isakmp.sat.payload",
FT_BYTES, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
/* Key Download Payload */
{ &hf_isakmp_kd_num_key_pkt,
{ "Number of Key Packets", "isakmp.kd.num_pkt",
FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_isakmp_kd_payload,
{ "Key Download Payload", "isakmp.kd.payload",
FT_NONE, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_isakmp_kdp_type,
{ "Type", "isakmp.kd.payload.type",
FT_UINT8, BASE_RANGE_STRING | BASE_DEC, RVALS(key_download_types), 0x0,
NULL, HFILL }},
{ &hf_isakmp_kdp_length,
{ "Length", "isakmp.kd.payload.length",
FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_isakmp_kdp_spi_size,
{ "SPI Size", "isakmp.kd.payload.spi_size",
FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_isakmp_kdp_spi,
{ "SPI", "isakmp.kd.payload.spi",
FT_BYTES, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
/* Sequence Payload */
{ &hf_isakmp_seq_seq,
{ "Sequence Number", "isakmp.seq.seq",
FT_UINT32, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_isakmp_enc_decrypted_data,
{ "Decrypted Data", "isakmp.enc.decrypted",
FT_NONE, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_isakmp_enc_contained_data,
{ "Contained Data", "isakmp.enc.contained",
FT_NONE, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_isakmp_enc_padding,
{ "Padding", "isakmp.enc.padding",
FT_NONE, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_isakmp_enc_pad_length,
{ "Pad Length", "isakmp.enc.pad_length",
FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_isakmp_enc_data,
{ "Encrypted Data", "isakmp.enc.data",
FT_NONE, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_isakmp_enc_iv,
{ "Initialization Vector", "isakmp.enc.iv",
FT_BYTES, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_isakmp_enc_icd,
{ "Integrity Checksum Data", "isakmp.enc.icd",
FT_BYTES, BASE_NONE, NULL, 0x0,
NULL, HFILL }},
{ &hf_isakmp_notify_data_3gpp_backoff_timer_len,
{ "Length", "isakmp.notify.priv.3gpp.backoff_timer_len",
FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_isakmp_notify_data_3gpp_device_identity_len,
{ "Identity Length", "isakmp.notify.priv.3gpp.device_identity_len",
FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_isakmp_notify_data_3gpp_device_identity_type,
{ "Identity Type", "isakmp.notify.priv.3gpp.device_identity_type",
FT_UINT8, BASE_DEC, VALS(device_identity_types), 0x0,
NULL, HFILL }},
{ &hf_isakmp_notify_data_3gpp_device_identity_imei,
{ "IMEI", "isakmp.notify.priv.3gpp.device_identity_imei",
FT_STRING, BASE_NONE, NULL, 0,
NULL, HFILL }},
{ &hf_isakmp_notify_data_3gpp_device_identity_imeisv,
{ "IMEISV", "isakmp.notify.priv.3gpp.device_identity_imeisv",
FT_STRING, BASE_NONE, NULL, 0,
NULL, HFILL }},
{ &hf_isakmp_notify_data_3gpp_emergency_call_numbers_len,
{ "Total Length", "isakmp.notify.priv.3gpp.emergency_call_numbers_len",
FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL }},
{ &hf_isakmp_notify_data_3gpp_emergency_call_numbers_spare,
{ "Spare", "isakmp.notify.priv.3gpp.emergency_call_numbers_spare",
FT_UINT8, BASE_DEC, NULL, 0xE0,
NULL, HFILL }},
{ &hf_isakmp_notify_data_3gpp_emergency_call_numbers_element_len,
{ "Length", "isakmp.notify.priv.3gpp.emergency_call_numbers_element_len",
FT_UINT8, BASE_DEC, NULL, 0,
NULL, HFILL }},
{ &hf_isakmp_notify_data_3gpp_emergency_call_numbers_flags,
{ "Service Category Value", "isakmp.notify.priv.3gpp.emergency_call_numbers_flags",
FT_UINT8, BASE_HEX, NULL, 0x0,
NULL, HFILL }},
{ &hf_isakmp_notify_data_3gpp_emergency_call_numbers_flag_b1_police,
{ "Police", "isakmp.notify.priv.3gpp.emergency_call_numbers_flag_b1_police",
FT_UINT8, BASE_DEC, NULL, 0x01,
NULL, HFILL }},
{ &hf_isakmp_notify_data_3gpp_emergency_call_numbers_flag_b2_ambulance,
{ "Ambulance", "isakmp.notify.priv.3gpp.emergency_call_numbers_flag_b2_ambulance",
FT_UINT8, BASE_DEC, NULL, 0x02,
NULL, HFILL }},
{ &hf_isakmp_notify_data_3gpp_emergency_call_numbers_flag_b3_fire_brigade,
{ "Fire Brigade", "isakmp.notify.priv.3gpp.emergency_call_numbers_flag_b3_fire_brigade",
FT_UINT8, BASE_DEC, NULL, 0x04,
NULL, HFILL }},
{ &hf_isakmp_notify_data_3gpp_emergency_call_numbers_flag_b4_marine_guard,
{ "Marine Guard", "isakmp.notify.priv.3gpp.emergency_call_numbers_b4_marine_guard",
FT_UINT8, BASE_DEC, NULL, 0x08,
NULL, HFILL }},
{ &hf_isakmp_notify_data_3gpp_emergency_call_numbers_flag_b5_mountain_rescue,
{ "Mountain Rescue", "isakmp.notify.priv.3gpp.emergency_call_numbers_flag_b5_mountain_rescue",
FT_UINT8, BASE_DEC, NULL, 0x10,
NULL, HFILL }},
{ &hf_iskamp_notify_data_3gpp_emergency_call_number,
{ "Emergency Number", "isakmp.notify.priv.3gpp.emergency_call_number",
FT_STRING, BASE_NONE, NULL, 0x0,
NULL, HFILL }}
};
static gint *ett[] = {
&ett_isakmp,
&ett_isakmp_version,
&ett_isakmp_flags,
&ett_isakmp_payload,
&ett_isakmp_payload_digital_signature,
&ett_isakmp_payload_digital_signature_asn1_data,
&ett_isakmp_fragment,
&ett_isakmp_fragments,
&ett_isakmp_sa,
&ett_isakmp_attr,
&ett_isakmp_id,
&ett_isakmp_notify_data,
&ett_isakmp_notify_data_3gpp_emergency_call_numbers_main,
&ett_isakmp_notify_data_3gpp_emergency_call_numbers_element,
&ett_isakmp_ts,
&ett_isakmp_kd,
&ett_isakmp_decrypted_data,
&ett_isakmp_decrypted_payloads
};
static ei_register_info ei[] = {
{ &ei_isakmp_enc_iv, { "isakmp.enc.iv.not_enough_data", PI_MALFORMED, PI_WARN, "Not enough data in IKEv2 Encrypted payload", EXPFILL }},
{ &ei_isakmp_ikev2_integrity_checksum, { "isakmp.ikev2.integrity_checksum", PI_CHECKSUM, PI_WARN, "IKEv2 Integrity Checksum Data is incorrect", EXPFILL }},
{ &ei_isakmp_enc_data_length_mult_block_size, { "isakmp.enc_data_length_mult_block_size", PI_MALFORMED, PI_WARN, "Encrypted data length isn't a multiple of block size", EXPFILL }},
{ &ei_isakmp_enc_pad_length_big, { "isakmp.enc.pad_length.big", PI_MALFORMED, PI_WARN, "Pad length is too big", EXPFILL }},
{ &ei_isakmp_attribute_value_empty, { "isakmp.attribute_value_empty", PI_PROTOCOL, PI_NOTE, "Attribute value is empty", EXPFILL }},
{ &ei_isakmp_payload_bad_length, { "isakmp.payloadlength.invalid", PI_MALFORMED, PI_ERROR, "Invalid payload length", EXPFILL }},
{ &ei_isakmp_bad_fragment_number, { "isakmp.fragment_number.invalid", PI_MALFORMED, PI_ERROR, "Invalid fragment numbering", EXPFILL }},
{ &ei_isakmp_notify_data_3gpp_unknown_device_identity, { "isakmp.notify.priv.3gpp.unknown_device_identity", PI_PROTOCOL, PI_WARN, "Type of device identity not known", EXPFILL }},
};
expert_module_t* expert_isakmp;
static uat_field_t ikev1_uat_flds[] = {
UAT_FLD_BUFFER(ikev1_users, icookie, "Initiator's COOKIE", "Initiator's COOKIE"),
UAT_FLD_BUFFER(ikev1_users, key, "Encryption Key", "Encryption Key"),
UAT_END_FIELDS
};
static uat_field_t ikev2_uat_flds[] = {
UAT_FLD_BUFFER(ikev2_users, spii, "Initiator's SPI", "Initiator's SPI value of the IKE_SA"),
UAT_FLD_BUFFER(ikev2_users, spir, "Responder's SPI", "Responder's SPI value of the IKE_SA"),
UAT_FLD_BUFFER(ikev2_users, sk_ei, "SK_ei", "Key used to encrypt/decrypt IKEv2 packets from initiator to responder"),
UAT_FLD_BUFFER(ikev2_users, sk_er, "SK_er", "Key used to encrypt/decrypt IKEv2 packets from responder to initiator"),
UAT_FLD_VS(ikev2_users, encr_alg, "Encryption algorithm", vs_ikev2_encr_algs, "Encryption algorithm of IKE_SA"),
UAT_FLD_BUFFER(ikev2_users, sk_ai, "SK_ai", "Key used to calculate Integrity Checksum Data for IKEv2 packets from initiator to responder"),
UAT_FLD_BUFFER(ikev2_users, sk_ar, "SK_ar", "Key used to calculate Integrity Checksum Data for IKEv2 packets from responder to initiator"),
UAT_FLD_VS(ikev2_users, auth_alg, "Integrity algorithm", vs_ikev2_auth_algs, "Integrity algorithm of IKE_SA"),
UAT_END_FIELDS
};
proto_isakmp = proto_register_protocol("Internet Security Association and Key Management Protocol",
"ISAKMP", "isakmp");
proto_register_field_array(proto_isakmp, hf, array_length(hf));
proto_register_subtree_array(ett, array_length(ett));
expert_isakmp = expert_register_protocol(proto_isakmp);
expert_register_field_array(expert_isakmp, ei, array_length(ei));
register_init_routine(&isakmp_init_protocol);
register_cleanup_routine(&isakmp_cleanup_protocol);
reassembly_table_register(&isakmp_cisco_reassembly_table,
&addresses_reassembly_table_functions);
reassembly_table_register(&isakmp_ike2_reassembly_table,
&addresses_reassembly_table_functions);
isakmp_handle = register_dissector("isakmp", dissect_isakmp, proto_isakmp);
isakmp_module = prefs_register_protocol(proto_isakmp, NULL);
ikev1_uat = uat_new("IKEv1 Decryption Table",
sizeof(ikev1_uat_data_key_t),
"ikev1_decryption_table",
TRUE,
&ikev1_uat_data,
&num_ikev1_uat_data,
UAT_AFFECTS_DISSECTION, /* affects dissection of packets, but not set of named fields */
"ChIKEv1DecryptionSection",
ikev1_uat_data_copy_cb,
ikev1_uat_data_update_cb,
ikev1_uat_data_free_cb,
NULL,
NULL,
ikev1_uat_flds);
prefs_register_uat_preference(isakmp_module,
"ikev1_decryption_table",
"IKEv1 Decryption Table",
"Table of IKE_SA security parameters for decryption of IKEv1 packets",
ikev1_uat);
ikev2_uat = uat_new("IKEv2 Decryption Table",
sizeof(ikev2_uat_data_t),
"ikev2_decryption_table",
TRUE,
&ikev2_uat_data,
&num_ikev2_uat_data,
UAT_AFFECTS_DISSECTION, /* affects dissection of packets, but not set of named fields */
"ChIKEv2DecryptionSection",
ikev2_uat_data_copy_cb,
ikev2_uat_data_update_cb,
ikev2_uat_data_free_cb,
NULL,
NULL,
ikev2_uat_flds);
prefs_register_uat_preference(isakmp_module,
"ikev2_decryption_table",
"IKEv2 Decryption Table",
"Table of IKE_SA security parameters for decryption of IKEv2 packets",
ikev2_uat);
}
void
proto_reg_handoff_isakmp(void)
{
eap_handle = find_dissector_add_dependency("eap", proto_isakmp);
dissector_add_uint_with_preference("udp.port", UDP_PORT_ISAKMP, isakmp_handle);
dissector_add_uint_with_preference("tcp.port", TCP_PORT_ISAKMP, isakmp_handle);
}
/*
* Editor modelines - https://www.wireshark.org/tools/modelines.html
*
* Local variables:
* c-basic-offset: 2
* tab-width: 8
* indent-tabs-mode: nil
* End:
*
* vi: set shiftwidth=2 tabstop=8 expandtab:
* :indentSize=2:tabSize=8:noTabs=true:
*/
View Git Blame Copy Permalink