/* Do not modify this file. Changes will be overwritten. */ /* Generated automatically by the ASN.1 to Wireshark dissector compiler */ /* packet-kerberos.c */ /* asn2wrs.py -b -L -p kerberos -c ./kerberos.cnf -s ./packet-kerberos-template -D . -O ../.. KerberosV5Spec2.asn k5.asn RFC3244.asn RFC6113.asn SPAKE.asn */ /* packet-kerberos.c * Routines for Kerberos * Wes Hardaker (c) 2000 * wjhardaker@ucdavis.edu * Richard Sharpe (C) 2002, rsharpe@samba.org, modularized a bit more and * added AP-REQ and AP-REP dissection * * Ronnie Sahlberg (C) 2004, major rewrite for new ASN.1/BER API. * decryption of kerberos blobs if keytab is provided * * See RFC 1510, and various I-Ds and other documents showing additions, * e.g. ones listed under * * http://clifford.neuman.name/krb-revisions/ * * and * * https://tools.ietf.org/html/draft-ietf-krb-wg-kerberos-clarifications-07 * * and * * https://tools.ietf.org/html/draft-ietf-krb-wg-kerberos-referrals-05 * * Some structures from RFC2630 * * Wireshark - Network traffic analyzer * By Gerald Combs * Copyright 1998 Gerald Combs * * SPDX-License-Identifier: GPL-2.0-or-later */ /* * Some of the development of the Kerberos protocol decoder was sponsored by * Cable Television Laboratories, Inc. ("CableLabs") based upon proprietary * CableLabs' specifications. Your license and use of this protocol decoder * does not mean that you are licensed to use the CableLabs' * specifications. If you have questions about this protocol, contact * jf.mule [AT] cablelabs.com or c.stuart [AT] cablelabs.com for additional * information. */ #include #include // krb5.h needs to be included before the defines in packet-kerberos.h #if defined(HAVE_HEIMDAL_KERBEROS) || defined(HAVE_MIT_KERBEROS) #ifdef _WIN32 /* prevent redefinition warnings in krb5's win-mac.h */ #define SSIZE_T_DEFINED #endif /* _WIN32 */ #include #endif #include #include #include #include #include #include #include #include #include #include #include #include "packet-kerberos.h" #include "packet-netbios.h" #include "packet-tcp.h" #include "packet-ber.h" #include "packet-pkinit.h" #include "packet-cms.h" #include "packet-windows-common.h" #include "read_keytab_file.h" #include "packet-dcerpc-netlogon.h" #include "packet-dcerpc.h" #include "packet-gssapi.h" #include "packet-x509af.h" #define KEY_USAGE_FAST_REQ_CHKSUM 50 #define KEY_USAGE_FAST_ENC 51 #define KEY_USAGE_FAST_REP 52 #define KEY_USAGE_FAST_FINISHED 53 #define KEY_USAGE_ENC_CHALLENGE_CLIENT 54 #define KEY_USAGE_ENC_CHALLENGE_KDC 55 void proto_register_kerberos(void); void proto_reg_handoff_kerberos(void); #define UDP_PORT_KERBEROS 88 #define TCP_PORT_KERBEROS 88 #define ADDRESS_STR_BUFSIZ 256 typedef struct kerberos_key { guint32 keytype; int keylength; const guint8 *keyvalue; } kerberos_key_t; typedef void (*kerberos_key_save_fn)(tvbuff_t *tvb _U_, int offset _U_, int length _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int parent_hf_index _U_, int hf_index _U_); typedef struct { guint32 msg_type; gboolean is_win2k_pkinit; guint32 errorcode; gboolean try_nt_status; guint32 etype; guint32 padata_type; guint32 is_enc_padata; guint32 enctype; kerberos_key_t key; proto_tree *key_tree; proto_item *key_hidden_item; tvbuff_t *key_tvb; kerberos_callbacks *callbacks; guint32 ad_type; guint32 addr_type; guint32 checksum_type; #ifdef HAVE_KERBEROS enc_key_t *last_decryption_key; enc_key_t *last_added_key; tvbuff_t *last_ticket_enc_part_tvb; #endif gint save_encryption_key_parent_hf_index; kerberos_key_save_fn save_encryption_key_fn; guint learnt_key_ids; guint missing_key_ids; wmem_list_t *decryption_keys; wmem_list_t *learnt_keys; wmem_list_t *missing_keys; guint32 within_PA_TGS_REQ; struct _kerberos_PA_FX_FAST_REQUEST { gboolean defer; tvbuff_t *tvb; proto_tree *tree; } PA_FX_FAST_REQUEST; #ifdef HAVE_KERBEROS enc_key_t *PA_TGS_REQ_key; enc_key_t *PA_TGS_REQ_subkey; #endif guint32 fast_type; guint32 fast_armor_within_armor_value; #ifdef HAVE_KERBEROS enc_key_t *PA_FAST_ARMOR_AP_key; enc_key_t *PA_FAST_ARMOR_AP_subkey; enc_key_t *fast_armor_key; enc_key_t *fast_strengthen_key; #endif } kerberos_private_data_t; static dissector_handle_t kerberos_handle_tcp; static dissector_handle_t kerberos_handle_udp; /* Forward declarations */ static int dissect_kerberos_Applications(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_); static int dissect_kerberos_AuthorizationData(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_); static int dissect_kerberos_PA_ENC_TIMESTAMP(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_); #ifdef HAVE_KERBEROS static int dissect_kerberos_PA_ENC_TS_ENC(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_); #endif static int dissect_kerberos_PA_PAC_REQUEST(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_); static int dissect_kerberos_PA_S4U2Self(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_); static int dissect_kerberos_PA_S4U_X509_USER(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_); static int dissect_kerberos_ETYPE_INFO(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_); static int dissect_kerberos_ETYPE_INFO2(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_); static int dissect_kerberos_AD_IF_RELEVANT(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_); static int dissect_kerberos_PA_AUTHENTICATION_SET_ELEM(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_); static int dissect_kerberos_PA_FX_FAST_REQUEST(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_); static int dissect_kerberos_EncryptedChallenge(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_); static int dissect_kerberos_PA_KERB_KEY_LIST_REQ(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_); static int dissect_kerberos_PA_KERB_KEY_LIST_REP(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_); static int dissect_kerberos_PA_FX_FAST_REPLY(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_); static int dissect_kerberos_PA_PAC_OPTIONS(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_); static int dissect_kerberos_KERB_AD_RESTRICTION_ENTRY(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_); static int dissect_kerberos_SEQUENCE_OF_ENCTYPE(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_); static int dissect_kerberos_PA_SPAKE(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_); #ifdef HAVE_KERBEROS static int dissect_kerberos_KrbFastReq(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_); static int dissect_kerberos_KrbFastResponse(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_); static int dissect_kerberos_FastOptions(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_); #endif /* Desegment Kerberos over TCP messages */ static gboolean krb_desegment = TRUE; static gint proto_kerberos = -1; static gint hf_krb_rm_reserved = -1; static gint hf_krb_rm_reclen = -1; static gint hf_krb_provsrv_location = -1; static gint hf_krb_pw_salt = -1; static gint hf_krb_ext_error_nt_status = -1; static gint hf_krb_ext_error_reserved = -1; static gint hf_krb_ext_error_flags = -1; static gint hf_krb_address_ip = -1; static gint hf_krb_address_netbios = -1; static gint hf_krb_address_ipv6 = -1; static gint hf_krb_gssapi_len = -1; static gint hf_krb_gssapi_bnd = -1; static gint hf_krb_gssapi_dlgopt = -1; static gint hf_krb_gssapi_dlglen = -1; static gint hf_krb_gssapi_c_flag_deleg = -1; static gint hf_krb_gssapi_c_flag_mutual = -1; static gint hf_krb_gssapi_c_flag_replay = -1; static gint hf_krb_gssapi_c_flag_sequence = -1; static gint hf_krb_gssapi_c_flag_conf = -1; static gint hf_krb_gssapi_c_flag_integ = -1; static gint hf_krb_gssapi_c_flag_dce_style = -1; static gint hf_krb_midl_version = -1; static gint hf_krb_midl_hdr_len = -1; static gint hf_krb_midl_fill_bytes = -1; static gint hf_krb_midl_blob_len = -1; static gint hf_krb_pac_signature_type = -1; static gint hf_krb_pac_signature_signature = -1; static gint hf_krb_w2k_pac_entries = -1; static gint hf_krb_w2k_pac_version = -1; static gint hf_krb_w2k_pac_type = -1; static gint hf_krb_w2k_pac_size = -1; static gint hf_krb_w2k_pac_offset = -1; static gint hf_krb_pac_clientid = -1; static gint hf_krb_pac_namelen = -1; static gint hf_krb_pac_clientname = -1; static gint hf_krb_pac_logon_info = -1; static gint hf_krb_pac_credential_data = -1; static gint hf_krb_pac_credential_info = -1; static gint hf_krb_pac_credential_info_version = -1; static gint hf_krb_pac_credential_info_etype = -1; static gint hf_krb_pac_s4u_delegation_info = -1; static gint hf_krb_pac_upn_dns_info = -1; static gint hf_krb_pac_upn_flags = -1; static gint hf_krb_pac_upn_flag_upn_constructed = -1; static gint hf_krb_pac_upn_flag_has_sam_name_and_sid = -1; static gint hf_krb_pac_upn_upn_offset = -1; static gint hf_krb_pac_upn_upn_len = -1; static gint hf_krb_pac_upn_upn_name = -1; static gint hf_krb_pac_upn_dns_offset = -1; static gint hf_krb_pac_upn_dns_len = -1; static gint hf_krb_pac_upn_dns_name = -1; static gint hf_krb_pac_upn_samaccountname_offset = -1; static gint hf_krb_pac_upn_samaccountname_len = -1; static gint hf_krb_pac_upn_samaccountname = -1; static gint hf_krb_pac_upn_objectsid_offset = -1; static gint hf_krb_pac_upn_objectsid_len = -1; static gint hf_krb_pac_server_checksum = -1; static gint hf_krb_pac_privsvr_checksum = -1; static gint hf_krb_pac_client_info_type = -1; static gint hf_krb_pac_client_claims_info = -1; static gint hf_krb_pac_device_info = -1; static gint hf_krb_pac_device_claims_info = -1; static gint hf_krb_pac_ticket_checksum = -1; static gint hf_krb_pac_attributes_info = -1; static gint hf_krb_pac_attributes_info_length = -1; static gint hf_krb_pac_attributes_info_flags = -1; static gint hf_krb_pac_attributes_info_flags_pac_was_requested = -1; static gint hf_krb_pac_attributes_info_flags_pac_was_given_implicitly = -1; static gint hf_krb_pac_requester_sid = -1; static gint hf_krb_pa_supported_enctypes = -1; static gint hf_krb_pa_supported_enctypes_des_cbc_crc = -1; static gint hf_krb_pa_supported_enctypes_des_cbc_md5 = -1; static gint hf_krb_pa_supported_enctypes_rc4_hmac = -1; static gint hf_krb_pa_supported_enctypes_aes128_cts_hmac_sha1_96 = -1; static gint hf_krb_pa_supported_enctypes_aes256_cts_hmac_sha1_96 = -1; static gint hf_krb_pa_supported_enctypes_fast_supported = -1; static gint hf_krb_pa_supported_enctypes_compound_identity_supported = -1; static gint hf_krb_pa_supported_enctypes_claims_supported = -1; static gint hf_krb_pa_supported_enctypes_resource_sid_compression_disabled = -1; static gint hf_krb_ad_ap_options = -1; static gint hf_krb_ad_ap_options_cbt = -1; static gint hf_krb_ad_target_principal = -1; static gint hf_krb_key_hidden_item = -1; static gint hf_kerberos_KERB_TICKET_LOGON = -1; static gint hf_kerberos_KERB_TICKET_LOGON_MessageType = -1; static gint hf_kerberos_KERB_TICKET_LOGON_Flags = -1; static gint hf_kerberos_KERB_TICKET_LOGON_ServiceTicketLength = -1; static gint hf_kerberos_KERB_TICKET_LOGON_TicketGrantingTicketLength = -1; static gint hf_kerberos_KERB_TICKET_LOGON_ServiceTicket = -1; static gint hf_kerberos_KERB_TICKET_LOGON_TicketGrantingTicket = -1; static gint hf_kerberos_KERB_TICKET_LOGON_FLAG_ALLOW_EXPIRED_TICKET = -1; static gint hf_kerberos_KERB_TICKET_LOGON_FLAG_REDIRECTED = -1; #ifdef HAVE_KERBEROS static gint hf_kerberos_KrbFastResponse = -1; static gint hf_kerberos_strengthen_key = -1; static gint hf_kerberos_finished = -1; static gint hf_kerberos_fast_options = -1; static gint hf_kerberos_ticket_checksum = -1; static gint hf_krb_patimestamp = -1; static gint hf_krb_pausec = -1; static gint hf_kerberos_FastOptions_reserved = -1; static gint hf_kerberos_FastOptions_hide_client_names = -1; static gint hf_kerberos_FastOptions_spare_bit2 = -1; static gint hf_kerberos_FastOptions_spare_bit3 = -1; static gint hf_kerberos_FastOptions_spare_bit4 = -1; static gint hf_kerberos_FastOptions_spare_bit5 = -1; static gint hf_kerberos_FastOptions_spare_bit6 = -1; static gint hf_kerberos_FastOptions_spare_bit7 = -1; static gint hf_kerberos_FastOptions_spare_bit8 = -1; static gint hf_kerberos_FastOptions_spare_bit9 = -1; static gint hf_kerberos_FastOptions_spare_bit10 = -1; static gint hf_kerberos_FastOptions_spare_bit11 = -1; static gint hf_kerberos_FastOptions_spare_bit12 = -1; static gint hf_kerberos_FastOptions_spare_bit13 = -1; static gint hf_kerberos_FastOptions_spare_bit14 = -1; static gint hf_kerberos_FastOptions_spare_bit15 = -1; static gint hf_kerberos_FastOptions_kdc_follow_referrals = -1; #endif static int hf_kerberos_ticket = -1; /* Ticket */ static int hf_kerberos_authenticator = -1; /* Authenticator */ static int hf_kerberos_encTicketPart = -1; /* EncTicketPart */ static int hf_kerberos_as_req = -1; /* AS_REQ */ static int hf_kerberos_as_rep = -1; /* AS_REP */ static int hf_kerberos_tgs_req = -1; /* TGS_REQ */ static int hf_kerberos_tgs_rep = -1; /* TGS_REP */ static int hf_kerberos_ap_req = -1; /* AP_REQ */ static int hf_kerberos_ap_rep = -1; /* AP_REP */ static int hf_kerberos_krb_safe = -1; /* KRB_SAFE */ static int hf_kerberos_krb_priv = -1; /* KRB_PRIV */ static int hf_kerberos_krb_cred = -1; /* KRB_CRED */ static int hf_kerberos_encASRepPart = -1; /* EncASRepPart */ static int hf_kerberos_encTGSRepPart = -1; /* EncTGSRepPart */ static int hf_kerberos_encAPRepPart = -1; /* EncAPRepPart */ static int hf_kerberos_encKrbPrivPart = -1; /* ENC_KRB_PRIV_PART */ static int hf_kerberos_encKrbCredPart = -1; /* EncKrbCredPart */ static int hf_kerberos_krb_error = -1; /* KRB_ERROR */ static int hf_kerberos_name_type = -1; /* NAME_TYPE */ static int hf_kerberos_name_string = -1; /* SEQUENCE_OF_KerberosString */ static int hf_kerberos_name_string_item = -1; /* KerberosString */ static int hf_kerberos_cname_string = -1; /* SEQUENCE_OF_CNameString */ static int hf_kerberos_cname_string_item = -1; /* CNameString */ static int hf_kerberos_sname_string = -1; /* SEQUENCE_OF_SNameString */ static int hf_kerberos_sname_string_item = -1; /* SNameString */ static int hf_kerberos_addr_type = -1; /* ADDR_TYPE */ static int hf_kerberos_address = -1; /* T_address */ static int hf_kerberos_HostAddresses_item = -1; /* HostAddress */ static int hf_kerberos_AuthorizationData_item = -1; /* AuthorizationData_item */ static int hf_kerberos_ad_type = -1; /* AUTHDATA_TYPE */ static int hf_kerberos_ad_data = -1; /* T_ad_data */ static int hf_kerberos_padata_type = -1; /* PADATA_TYPE */ static int hf_kerberos_padata_value = -1; /* T_padata_value */ static int hf_kerberos_keytype = -1; /* T_keytype */ static int hf_kerberos_keyvalue = -1; /* T_keyvalue */ static int hf_kerberos_cksumtype = -1; /* CKSUMTYPE */ static int hf_kerberos_checksum = -1; /* T_checksum */ static int hf_kerberos_etype = -1; /* ENCTYPE */ static int hf_kerberos_kvno = -1; /* UInt32 */ static int hf_kerberos_encryptedTicketData_cipher = -1; /* T_encryptedTicketData_cipher */ static int hf_kerberos_encryptedAuthorizationData_cipher = -1; /* T_encryptedAuthorizationData_cipher */ static int hf_kerberos_encryptedAuthenticator_cipher = -1; /* T_encryptedAuthenticator_cipher */ static int hf_kerberos_encryptedKDCREPData_cipher = -1; /* T_encryptedKDCREPData_cipher */ static int hf_kerberos_encryptedAPREPData_cipher = -1; /* T_encryptedAPREPData_cipher */ static int hf_kerberos_encryptedKrbPrivData_cipher = -1; /* T_encryptedKrbPrivData_cipher */ static int hf_kerberos_encryptedKrbCredData_cipher = -1; /* T_encryptedKrbCredData_cipher */ static int hf_kerberos_tkt_vno = -1; /* INTEGER_5 */ static int hf_kerberos_realm = -1; /* Realm */ static int hf_kerberos_sname = -1; /* SName */ static int hf_kerberos_ticket_enc_part = -1; /* EncryptedTicketData */ static int hf_kerberos_flags = -1; /* TicketFlags */ static int hf_kerberos_encTicketPart_key = -1; /* T_encTicketPart_key */ static int hf_kerberos_crealm = -1; /* Realm */ static int hf_kerberos_cname = -1; /* CName */ static int hf_kerberos_transited = -1; /* TransitedEncoding */ static int hf_kerberos_authtime = -1; /* KerberosTime */ static int hf_kerberos_starttime = -1; /* KerberosTime */ static int hf_kerberos_endtime = -1; /* KerberosTime */ static int hf_kerberos_renew_till = -1; /* KerberosTime */ static int hf_kerberos_caddr = -1; /* HostAddresses */ static int hf_kerberos_authorization_data = -1; /* AuthorizationData */ static int hf_kerberos_tr_type = -1; /* Int32 */ static int hf_kerberos_contents = -1; /* OCTET_STRING */ static int hf_kerberos_pvno = -1; /* INTEGER_5 */ static int hf_kerberos_msg_type = -1; /* MESSAGE_TYPE */ static int hf_kerberos_rEQ_SEQUENCE_OF_PA_DATA = -1; /* T_rEQ_SEQUENCE_OF_PA_DATA */ static int hf_kerberos_rEQ_SEQUENCE_OF_PA_DATA_item = -1; /* PA_DATA */ static int hf_kerberos_req_body = -1; /* KDC_REQ_BODY */ static int hf_kerberos_kdc_options = -1; /* KDCOptions */ static int hf_kerberos_from = -1; /* KerberosTime */ static int hf_kerberos_till = -1; /* KerberosTime */ static int hf_kerberos_rtime = -1; /* KerberosTime */ static int hf_kerberos_nonce = -1; /* UInt32 */ static int hf_kerberos_kDC_REQ_BODY_etype = -1; /* SEQUENCE_OF_ENCTYPE */ static int hf_kerberos_kDC_REQ_BODY_etype_item = -1; /* ENCTYPE */ static int hf_kerberos_addresses = -1; /* HostAddresses */ static int hf_kerberos_enc_authorization_data = -1; /* EncryptedAuthorizationData */ static int hf_kerberos_additional_tickets = -1; /* SEQUENCE_OF_Ticket */ static int hf_kerberos_additional_tickets_item = -1; /* Ticket */ static int hf_kerberos_rEP_SEQUENCE_OF_PA_DATA = -1; /* T_rEP_SEQUENCE_OF_PA_DATA */ static int hf_kerberos_rEP_SEQUENCE_OF_PA_DATA_item = -1; /* PA_DATA */ static int hf_kerberos_kDC_REP_enc_part = -1; /* EncryptedKDCREPData */ static int hf_kerberos_encKDCRepPart_key = -1; /* T_encKDCRepPart_key */ static int hf_kerberos_last_req = -1; /* LastReq */ static int hf_kerberos_key_expiration = -1; /* KerberosTime */ static int hf_kerberos_srealm = -1; /* Realm */ static int hf_kerberos_encrypted_pa_data = -1; /* T_encrypted_pa_data */ static int hf_kerberos_LastReq_item = -1; /* LastReq_item */ static int hf_kerberos_lr_type = -1; /* LR_TYPE */ static int hf_kerberos_lr_value = -1; /* KerberosTime */ static int hf_kerberos_ap_options = -1; /* APOptions */ static int hf_kerberos_authenticator_enc_part = -1; /* EncryptedAuthenticator */ static int hf_kerberos_authenticator_vno = -1; /* INTEGER_5 */ static int hf_kerberos_cksum = -1; /* Checksum */ static int hf_kerberos_cusec = -1; /* Microseconds */ static int hf_kerberos_ctime = -1; /* KerberosTime */ static int hf_kerberos_authenticator_subkey = -1; /* T_authenticator_subkey */ static int hf_kerberos_seq_number = -1; /* UInt32 */ static int hf_kerberos_aP_REP_enc_part = -1; /* EncryptedAPREPData */ static int hf_kerberos_encAPRepPart_subkey = -1; /* T_encAPRepPart_subkey */ static int hf_kerberos_safe_body = -1; /* KRB_SAFE_BODY */ static int hf_kerberos_kRB_SAFE_BODY_user_data = -1; /* T_kRB_SAFE_BODY_user_data */ static int hf_kerberos_timestamp = -1; /* KerberosTime */ static int hf_kerberos_usec = -1; /* Microseconds */ static int hf_kerberos_s_address = -1; /* HostAddress */ static int hf_kerberos_r_address = -1; /* HostAddress */ static int hf_kerberos_kRB_PRIV_enc_part = -1; /* EncryptedKrbPrivData */ static int hf_kerberos_encKrbPrivPart_user_data = -1; /* T_encKrbPrivPart_user_data */ static int hf_kerberos_tickets = -1; /* SEQUENCE_OF_Ticket */ static int hf_kerberos_tickets_item = -1; /* Ticket */ static int hf_kerberos_kRB_CRED_enc_part = -1; /* EncryptedKrbCredData */ static int hf_kerberos_ticket_info = -1; /* SEQUENCE_OF_KrbCredInfo */ static int hf_kerberos_ticket_info_item = -1; /* KrbCredInfo */ static int hf_kerberos_krbCredInfo_key = -1; /* T_krbCredInfo_key */ static int hf_kerberos_prealm = -1; /* Realm */ static int hf_kerberos_pname = -1; /* PrincipalName */ static int hf_kerberos_stime = -1; /* KerberosTime */ static int hf_kerberos_susec = -1; /* Microseconds */ static int hf_kerberos_error_code = -1; /* ERROR_CODE */ static int hf_kerberos_e_text = -1; /* KerberosString */ static int hf_kerberos_e_data = -1; /* T_e_data */ static int hf_kerberos_e_checksum = -1; /* Checksum */ static int hf_kerberos_METHOD_DATA_item = -1; /* PA_DATA */ static int hf_kerberos_pA_ENC_TIMESTAMP_cipher = -1; /* T_pA_ENC_TIMESTAMP_cipher */ static int hf_kerberos_info_salt = -1; /* OCTET_STRING */ static int hf_kerberos_ETYPE_INFO_item = -1; /* ETYPE_INFO_ENTRY */ static int hf_kerberos_info2_salt = -1; /* KerberosString */ static int hf_kerberos_s2kparams = -1; /* OCTET_STRING */ static int hf_kerberos_ETYPE_INFO2_item = -1; /* ETYPE_INFO2_ENTRY */ static int hf_kerberos_server_name = -1; /* PrincipalName */ static int hf_kerberos_include_pac = -1; /* BOOLEAN */ static int hf_kerberos_name = -1; /* PrincipalName */ static int hf_kerberos_auth = -1; /* GeneralString */ static int hf_kerberos_user_id = -1; /* S4UUserID */ static int hf_kerberos_checksum_01 = -1; /* Checksum */ static int hf_kerberos_cname_01 = -1; /* PrincipalName */ static int hf_kerberos_subject_certificate = -1; /* T_subject_certificate */ static int hf_kerberos_options = -1; /* BIT_STRING */ static int hf_kerberos_flags_01 = -1; /* PAC_OPTIONS_FLAGS */ static int hf_kerberos_restriction_type = -1; /* Int32 */ static int hf_kerberos_restriction = -1; /* OCTET_STRING */ static int hf_kerberos_PA_KERB_KEY_LIST_REQ_item = -1; /* ENCTYPE */ static int hf_kerberos_kerbKeyListRep_key = -1; /* PA_KERB_KEY_LIST_REP_item */ static int hf_kerberos_newpasswd = -1; /* OCTET_STRING */ static int hf_kerberos_targname = -1; /* PrincipalName */ static int hf_kerberos_targrealm = -1; /* Realm */ static int hf_kerberos_pa_type = -1; /* PADATA_TYPE */ static int hf_kerberos_pa_hint = -1; /* OCTET_STRING */ static int hf_kerberos_pa_value = -1; /* OCTET_STRING */ static int hf_kerberos_armor_type = -1; /* KrbFastArmorTypes */ static int hf_kerberos_armor_value = -1; /* T_armor_value */ static int hf_kerberos_armored_data_request = -1; /* KrbFastArmoredReq */ static int hf_kerberos_encryptedKrbFastReq_cipher = -1; /* T_encryptedKrbFastReq_cipher */ static int hf_kerberos_armor = -1; /* KrbFastArmor */ static int hf_kerberos_req_checksum = -1; /* Checksum */ static int hf_kerberos_enc_fast_req = -1; /* EncryptedKrbFastReq */ static int hf_kerberos_armored_data_reply = -1; /* KrbFastArmoredRep */ static int hf_kerberos_encryptedKrbFastResponse_cipher = -1; /* T_encryptedKrbFastResponse_cipher */ static int hf_kerberos_enc_fast_rep = -1; /* EncryptedKrbFastResponse */ static int hf_kerberos_encryptedChallenge_cipher = -1; /* T_encryptedChallenge_cipher */ static int hf_kerberos_cipher = -1; /* OCTET_STRING */ static int hf_kerberos_groups = -1; /* SEQUENCE_SIZE_1_MAX_OF_SPAKEGroup */ static int hf_kerberos_groups_item = -1; /* SPAKEGroup */ static int hf_kerberos_group = -1; /* SPAKEGroup */ static int hf_kerberos_pubkey = -1; /* OCTET_STRING */ static int hf_kerberos_factors = -1; /* SEQUENCE_SIZE_1_MAX_OF_SPAKESecondFactor */ static int hf_kerberos_factors_item = -1; /* SPAKESecondFactor */ static int hf_kerberos_type = -1; /* SPAKESecondFactorType */ static int hf_kerberos_data = -1; /* OCTET_STRING */ static int hf_kerberos_factor = -1; /* EncryptedSpakeResponseData */ static int hf_kerberos_support = -1; /* SPAKESupport */ static int hf_kerberos_challenge = -1; /* SPAKEChallenge */ static int hf_kerberos_response = -1; /* SPAKEResponse */ static int hf_kerberos_encdata = -1; /* EncryptedSpakeData */ /* named bits */ static int hf_kerberos_APOptions_reserved = -1; static int hf_kerberos_APOptions_use_session_key = -1; static int hf_kerberos_APOptions_mutual_required = -1; static int hf_kerberos_TicketFlags_reserved = -1; static int hf_kerberos_TicketFlags_forwardable = -1; static int hf_kerberos_TicketFlags_forwarded = -1; static int hf_kerberos_TicketFlags_proxiable = -1; static int hf_kerberos_TicketFlags_proxy = -1; static int hf_kerberos_TicketFlags_may_postdate = -1; static int hf_kerberos_TicketFlags_postdated = -1; static int hf_kerberos_TicketFlags_invalid = -1; static int hf_kerberos_TicketFlags_renewable = -1; static int hf_kerberos_TicketFlags_initial = -1; static int hf_kerberos_TicketFlags_pre_authent = -1; static int hf_kerberos_TicketFlags_hw_authent = -1; static int hf_kerberos_TicketFlags_transited_policy_checked = -1; static int hf_kerberos_TicketFlags_ok_as_delegate = -1; static int hf_kerberos_TicketFlags_unused = -1; static int hf_kerberos_TicketFlags_enc_pa_rep = -1; static int hf_kerberos_TicketFlags_anonymous = -1; static int hf_kerberos_KDCOptions_reserved = -1; static int hf_kerberos_KDCOptions_forwardable = -1; static int hf_kerberos_KDCOptions_forwarded = -1; static int hf_kerberos_KDCOptions_proxiable = -1; static int hf_kerberos_KDCOptions_proxy = -1; static int hf_kerberos_KDCOptions_allow_postdate = -1; static int hf_kerberos_KDCOptions_postdated = -1; static int hf_kerberos_KDCOptions_unused7 = -1; static int hf_kerberos_KDCOptions_renewable = -1; static int hf_kerberos_KDCOptions_unused9 = -1; static int hf_kerberos_KDCOptions_unused10 = -1; static int hf_kerberos_KDCOptions_opt_hardware_auth = -1; static int hf_kerberos_KDCOptions_unused12 = -1; static int hf_kerberos_KDCOptions_unused13 = -1; static int hf_kerberos_KDCOptions_constrained_delegation = -1; static int hf_kerberos_KDCOptions_canonicalize = -1; static int hf_kerberos_KDCOptions_request_anonymous = -1; static int hf_kerberos_KDCOptions_unused17 = -1; static int hf_kerberos_KDCOptions_unused18 = -1; static int hf_kerberos_KDCOptions_unused19 = -1; static int hf_kerberos_KDCOptions_unused20 = -1; static int hf_kerberos_KDCOptions_unused21 = -1; static int hf_kerberos_KDCOptions_unused22 = -1; static int hf_kerberos_KDCOptions_unused23 = -1; static int hf_kerberos_KDCOptions_unused24 = -1; static int hf_kerberos_KDCOptions_unused25 = -1; static int hf_kerberos_KDCOptions_disable_transited_check = -1; static int hf_kerberos_KDCOptions_renewable_ok = -1; static int hf_kerberos_KDCOptions_enc_tkt_in_skey = -1; static int hf_kerberos_KDCOptions_unused29 = -1; static int hf_kerberos_KDCOptions_renew = -1; static int hf_kerberos_KDCOptions_validate = -1; static int hf_kerberos_PAC_OPTIONS_FLAGS_claims = -1; static int hf_kerberos_PAC_OPTIONS_FLAGS_branch_aware = -1; static int hf_kerberos_PAC_OPTIONS_FLAGS_forward_to_full_dc = -1; static int hf_kerberos_PAC_OPTIONS_FLAGS_resource_based_constrained_delegation = -1; /* Initialize the subtree pointers */ static gint ett_kerberos = -1; static gint ett_krb_recordmark = -1; static gint ett_krb_pac = -1; static gint ett_krb_pac_drep = -1; static gint ett_krb_pac_midl_blob = -1; static gint ett_krb_pac_logon_info = -1; static gint ett_krb_pac_credential_info = -1; static gint ett_krb_pac_s4u_delegation_info = -1; static gint ett_krb_pac_upn_dns_info = -1; static gint ett_krb_pac_upn_dns_info_flags = -1; static gint ett_krb_pac_device_info = -1; static gint ett_krb_pac_server_checksum = -1; static gint ett_krb_pac_privsvr_checksum = -1; static gint ett_krb_pac_client_info_type = -1; static gint ett_krb_pac_ticket_checksum = -1; static gint ett_krb_pac_attributes_info = -1; static gint ett_krb_pac_attributes_info_flags = -1; static gint ett_krb_pac_requester_sid = -1; static gint ett_krb_pa_supported_enctypes = -1; static gint ett_krb_ad_ap_options = -1; static gint ett_kerberos_KERB_TICKET_LOGON = -1; #ifdef HAVE_KERBEROS static gint ett_krb_pa_enc_ts_enc = -1; static gint ett_kerberos_KrbFastFinished = -1; static gint ett_kerberos_KrbFastResponse = -1; static gint ett_kerberos_KrbFastReq = -1; static gint ett_kerberos_FastOptions = -1; #endif static gint ett_kerberos_Applications = -1; static gint ett_kerberos_PrincipalName = -1; static gint ett_kerberos_SEQUENCE_OF_KerberosString = -1; static gint ett_kerberos_CName = -1; static gint ett_kerberos_SEQUENCE_OF_CNameString = -1; static gint ett_kerberos_SName = -1; static gint ett_kerberos_SEQUENCE_OF_SNameString = -1; static gint ett_kerberos_HostAddress = -1; static gint ett_kerberos_HostAddresses = -1; static gint ett_kerberos_AuthorizationData = -1; static gint ett_kerberos_AuthorizationData_item = -1; static gint ett_kerberos_PA_DATA = -1; static gint ett_kerberos_EncryptionKey = -1; static gint ett_kerberos_Checksum = -1; static gint ett_kerberos_EncryptedTicketData = -1; static gint ett_kerberos_EncryptedAuthorizationData = -1; static gint ett_kerberos_EncryptedAuthenticator = -1; static gint ett_kerberos_EncryptedKDCREPData = -1; static gint ett_kerberos_EncryptedAPREPData = -1; static gint ett_kerberos_EncryptedKrbPrivData = -1; static gint ett_kerberos_EncryptedKrbCredData = -1; static gint ett_kerberos_Ticket_U = -1; static gint ett_kerberos_EncTicketPart_U = -1; static gint ett_kerberos_TransitedEncoding = -1; static gint ett_kerberos_KDC_REQ = -1; static gint ett_kerberos_T_rEQ_SEQUENCE_OF_PA_DATA = -1; static gint ett_kerberos_KDC_REQ_BODY = -1; static gint ett_kerberos_SEQUENCE_OF_ENCTYPE = -1; static gint ett_kerberos_SEQUENCE_OF_Ticket = -1; static gint ett_kerberos_KDC_REP = -1; static gint ett_kerberos_T_rEP_SEQUENCE_OF_PA_DATA = -1; static gint ett_kerberos_EncKDCRepPart = -1; static gint ett_kerberos_LastReq = -1; static gint ett_kerberos_LastReq_item = -1; static gint ett_kerberos_AP_REQ_U = -1; static gint ett_kerberos_Authenticator_U = -1; static gint ett_kerberos_AP_REP_U = -1; static gint ett_kerberos_EncAPRepPart_U = -1; static gint ett_kerberos_KRB_SAFE_U = -1; static gint ett_kerberos_KRB_SAFE_BODY = -1; static gint ett_kerberos_KRB_PRIV_U = -1; static gint ett_kerberos_EncKrbPrivPart = -1; static gint ett_kerberos_KRB_CRED_U = -1; static gint ett_kerberos_EncKrbCredPart_U = -1; static gint ett_kerberos_SEQUENCE_OF_KrbCredInfo = -1; static gint ett_kerberos_KrbCredInfo = -1; static gint ett_kerberos_KRB_ERROR_U = -1; static gint ett_kerberos_METHOD_DATA = -1; static gint ett_kerberos_PA_ENC_TIMESTAMP = -1; static gint ett_kerberos_ETYPE_INFO_ENTRY = -1; static gint ett_kerberos_ETYPE_INFO = -1; static gint ett_kerberos_ETYPE_INFO2_ENTRY = -1; static gint ett_kerberos_ETYPE_INFO2 = -1; static gint ett_kerberos_TGT_REQ = -1; static gint ett_kerberos_TGT_REP = -1; static gint ett_kerberos_APOptions = -1; static gint ett_kerberos_TicketFlags = -1; static gint ett_kerberos_KDCOptions = -1; static gint ett_kerberos_PA_PAC_REQUEST = -1; static gint ett_kerberos_PA_S4U2Self = -1; static gint ett_kerberos_PA_S4U_X509_USER = -1; static gint ett_kerberos_S4UUserID = -1; static gint ett_kerberos_PAC_OPTIONS_FLAGS = -1; static gint ett_kerberos_PA_PAC_OPTIONS = -1; static gint ett_kerberos_KERB_AD_RESTRICTION_ENTRY_U = -1; static gint ett_kerberos_PA_KERB_KEY_LIST_REQ = -1; static gint ett_kerberos_PA_KERB_KEY_LIST_REP = -1; static gint ett_kerberos_ChangePasswdData = -1; static gint ett_kerberos_PA_AUTHENTICATION_SET_ELEM = -1; static gint ett_kerberos_KrbFastArmor = -1; static gint ett_kerberos_PA_FX_FAST_REQUEST = -1; static gint ett_kerberos_EncryptedKrbFastReq = -1; static gint ett_kerberos_KrbFastArmoredReq = -1; static gint ett_kerberos_PA_FX_FAST_REPLY = -1; static gint ett_kerberos_EncryptedKrbFastResponse = -1; static gint ett_kerberos_KrbFastArmoredRep = -1; static gint ett_kerberos_EncryptedChallenge = -1; static gint ett_kerberos_EncryptedSpakeData = -1; static gint ett_kerberos_EncryptedSpakeResponseData = -1; static gint ett_kerberos_SPAKESupport = -1; static gint ett_kerberos_SEQUENCE_SIZE_1_MAX_OF_SPAKEGroup = -1; static gint ett_kerberos_SPAKEChallenge = -1; static gint ett_kerberos_SEQUENCE_SIZE_1_MAX_OF_SPAKESecondFactor = -1; static gint ett_kerberos_SPAKESecondFactor = -1; static gint ett_kerberos_SPAKEResponse = -1; static gint ett_kerberos_PA_SPAKE = -1; static expert_field ei_kerberos_missing_keytype = EI_INIT; static expert_field ei_kerberos_decrypted_keytype = EI_INIT; static expert_field ei_kerberos_learnt_keytype = EI_INIT; static expert_field ei_kerberos_address = EI_INIT; static expert_field ei_krb_gssapi_dlglen = EI_INIT; static dissector_handle_t krb4_handle=NULL; /* Global variables */ static guint32 gbl_keytype; static gboolean gbl_do_col_info; #define id_krb5 "1.3.6.1.5.2" typedef enum _KERBEROS_AUTHDATA_TYPE_enum { KERBEROS_AD_IF_RELEVANT = 1, KERBEROS_AD_INTENDED_FOR_SERVER = 2, KERBEROS_AD_INTENDED_FOR_APPLICATION_CLASS = 3, KERBEROS_AD_KDC_ISSUED = 4, KERBEROS_AD_AND_OR = 5, KERBEROS_AD_MANDATORY_TICKET_EXTENSIONS = 6, KERBEROS_AD_IN_TICKET_EXTENSIONS = 7, KERBEROS_AD_MANDATORY_FOR_KDC = 8, KERBEROS_AD_INITIAL_VERIFIED_CAS = 9, KERBEROS_AD_OSF_DCE = 64, KERBEROS_AD_SESAME = 65, KERBEROS_AD_OSF_DCE_PKI_CERTID = 66, KERBEROS_AD_AUTHENTICATION_STRENGTH = 70, KERBEROS_AD_FX_FAST_ARMOR = 71, KERBEROS_AD_FX_FAST_USED = 72, KERBEROS_AD_WIN2K_PAC = 128, KERBEROS_AD_GSS_API_ETYPE_NEGOTIATION = 129, KERBEROS_AD_TOKEN_RESTRICTIONS = 141, KERBEROS_AD_LOCAL = 142, KERBEROS_AD_AP_OPTIONS = 143, KERBEROS_AD_TARGET_PRINCIPAL = 144, KERBEROS_AD_SIGNTICKET_OLDER = -17, KERBEROS_AD_SIGNTICKET = 512 } KERBEROS_AUTHDATA_TYPE_enum; /* enumerated values for ADDR_TYPE */ #define KERBEROS_ADDR_TYPE_IPV4 2 #define KERBEROS_ADDR_TYPE_CHAOS 5 #define KERBEROS_ADDR_TYPE_XEROX 6 #define KERBEROS_ADDR_TYPE_ISO 7 #define KERBEROS_ADDR_TYPE_DECNET 12 #define KERBEROS_ADDR_TYPE_APPLETALK 16 #define KERBEROS_ADDR_TYPE_NETBIOS 20 #define KERBEROS_ADDR_TYPE_IPV6 24 typedef enum _KERBEROS_PADATA_TYPE_enum { KERBEROS_PA_NONE = 0, KERBEROS_PA_TGS_REQ = 1, KERBEROS_PA_ENC_TIMESTAMP = 2, KERBEROS_PA_PW_SALT = 3, KERBEROS_PA_ENC_UNIX_TIME = 5, KERBEROS_PA_SANDIA_SECUREID = 6, KERBEROS_PA_SESAME = 7, KERBEROS_PA_OSF_DCE = 8, KERBEROS_PA_CYBERSAFE_SECUREID = 9, KERBEROS_PA_AFS3_SALT = 10, KERBEROS_PA_ETYPE_INFO = 11, KERBEROS_PA_SAM_CHALLENGE = 12, KERBEROS_PA_SAM_RESPONSE = 13, KERBEROS_PA_PK_AS_REQ_19 = 14, KERBEROS_PA_PK_AS_REP_19 = 15, KERBEROS_PA_PK_AS_REQ = 16, KERBEROS_PA_PK_AS_REP = 17, KERBEROS_PA_PK_OCSP_RESPONSE = 18, KERBEROS_PA_ETYPE_INFO2 = 19, KERBEROS_PA_USE_SPECIFIED_KVNO = 20, KERBEROS_PA_SAM_REDIRECT = 21, KERBEROS_PA_GET_FROM_TYPED_DATA = 22, KERBEROS_TD_PADATA = 22, KERBEROS_PA_SAM_ETYPE_INFO = 23, KERBEROS_PA_ALT_PRINC = 24, KERBEROS_PA_SERVER_REFERRAL = 25, KERBEROS_PA_SAM_CHALLENGE2 = 30, KERBEROS_PA_SAM_RESPONSE2 = 31, KERBEROS_PA_EXTRA_TGT = 41, KERBEROS_TD_PKINIT_CMS_CERTIFICATES = 101, KERBEROS_TD_KRB_PRINCIPAL = 102, KERBEROS_TD_KRB_REALM = 103, KERBEROS_TD_TRUSTED_CERTIFIERS = 104, KERBEROS_TD_CERTIFICATE_INDEX = 105, KERBEROS_TD_APP_DEFINED_ERROR = 106, KERBEROS_TD_REQ_NONCE = 107, KERBEROS_TD_REQ_SEQ = 108, KERBEROS_TD_DH_PARAMETERS = 109, KERBEROS_TD_CMS_DIGEST_ALGORITHMS = 111, KERBEROS_TD_CERT_DIGEST_ALGORITHMS = 112, KERBEROS_PA_PAC_REQUEST = 128, KERBEROS_PA_FOR_USER = 129, KERBEROS_PA_FOR_X509_USER = 130, KERBEROS_PA_FOR_CHECK_DUPS = 131, KERBEROS_PA_PK_AS_09_BINDING = 132, KERBEROS_PA_FX_COOKIE = 133, KERBEROS_PA_AUTHENTICATION_SET = 134, KERBEROS_PA_AUTH_SET_SELECTED = 135, KERBEROS_PA_FX_FAST = 136, KERBEROS_PA_FX_ERROR = 137, KERBEROS_PA_ENCRYPTED_CHALLENGE = 138, KERBEROS_PA_OTP_CHALLENGE = 141, KERBEROS_PA_OTP_REQUEST = 142, KERBEROS_PA_OTP_CONFIRM = 143, KERBEROS_PA_OTP_PIN_CHANGE = 144, KERBEROS_PA_EPAK_AS_REQ = 145, KERBEROS_PA_EPAK_AS_REP = 146, KERBEROS_PA_PKINIT_KX = 147, KERBEROS_PA_PKU2U_NAME = 148, KERBEROS_PA_REQ_ENC_PA_REP = 149, KERBEROS_PA_AS_FRESHNESS = 150, KERBEROS_PA_SPAKE = 151, KERBEROS_PA_REDHAT_IDP_OAUTH2 = 152, KERBEROS_PA_REDHAT_PASSKEY = 153, KERBEROS_PA_KERB_KEY_LIST_REQ = 161, KERBEROS_PA_KERB_KEY_LIST_REP = 162, KERBEROS_PA_SUPPORTED_ETYPES = 165, KERBEROS_PA_EXTENDED_ERROR = 166, KERBEROS_PA_PAC_OPTIONS = 167, KERBEROS_PA_PROV_SRV_LOCATION = -1 } KERBEROS_PADATA_TYPE_enum; typedef enum _KERBEROS_KRBFASTARMORTYPES_enum { KERBEROS_FX_FAST_RESERVED = 0, KERBEROS_FX_FAST_ARMOR_AP_REQUEST = 1 } KERBEROS_KRBFASTARMORTYPES_enum; static void call_kerberos_callbacks(packet_info *pinfo, proto_tree *tree, tvbuff_t *tvb, int tag, kerberos_callbacks *cb) { if(!cb){ return; } while(cb->tag){ if(cb->tag==tag){ cb->callback(pinfo, tvb, tree); return; } cb++; } return; } static kerberos_private_data_t* kerberos_new_private_data(packet_info *pinfo) { kerberos_private_data_t *p; p = wmem_new0(pinfo->pool, kerberos_private_data_t); if (p == NULL) { return NULL; } p->decryption_keys = wmem_list_new(pinfo->pool); p->learnt_keys = wmem_list_new(pinfo->pool); p->missing_keys = wmem_list_new(pinfo->pool); return p; } static kerberos_private_data_t* kerberos_get_private_data(asn1_ctx_t *actx) { if (!actx->private_data) { actx->private_data = kerberos_new_private_data(actx->pinfo); } return (kerberos_private_data_t *)(actx->private_data); } static bool kerberos_private_is_kdc_req(kerberos_private_data_t *private_data) { switch (private_data->msg_type) { case KERBEROS_APPLICATIONS_AS_REQ: case KERBEROS_APPLICATIONS_TGS_REQ: return TRUE; } return FALSE; } gboolean kerberos_is_win2k_pkinit(asn1_ctx_t *actx) { kerberos_private_data_t *private_data = kerberos_get_private_data(actx); return private_data->is_win2k_pkinit; } static int dissect_kerberos_defer_PA_FX_FAST_REQUEST(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { kerberos_private_data_t* private_data = kerberos_get_private_data(actx); /* * dissect_ber_octet_string_wcb() always passes * implicit_tag=FALSE, offset=0 and hf_index=-1 * * It means we only need to remember tvb and tree * in order to replay dissect_kerberos_PA_FX_FAST_REQUEST() * in dissect_kerberos_T_rEQ_SEQUENCE_OF_PA_DATA() */ ws_assert(implicit_tag == FALSE); ws_assert(offset == 0); ws_assert(hf_index == -1); if (private_data->PA_FX_FAST_REQUEST.defer) { /* * Remember the tvb (and the optional tree) */ private_data->PA_FX_FAST_REQUEST.tvb = tvb; private_data->PA_FX_FAST_REQUEST.tree = tree; /* * only handle the first PA_FX_FAST_REQUEST... */ private_data->PA_FX_FAST_REQUEST.defer = FALSE; return tvb_reported_length_remaining(tvb, offset); } return dissect_kerberos_PA_FX_FAST_REQUEST(implicit_tag, tvb, offset, actx, tree, hf_index); } #ifdef HAVE_KERBEROS /* Decrypt Kerberos blobs */ gboolean krb_decrypt = FALSE; /* keytab filename */ static const char *keytab_filename = ""; void read_keytab_file_from_preferences(void) { static char *last_keytab = NULL; if (!krb_decrypt) { return; } if (keytab_filename == NULL) { return; } if (last_keytab && !strcmp(last_keytab, keytab_filename)) { return; } g_free(last_keytab); last_keytab = g_strdup(keytab_filename); read_keytab_file(last_keytab); } #endif /* HAVE_KERBEROS */ #if defined(HAVE_HEIMDAL_KERBEROS) || defined(HAVE_MIT_KERBEROS) enc_key_t *enc_key_list=NULL; static guint kerberos_longterm_ids = 0; wmem_map_t *kerberos_longterm_keys = NULL; static wmem_map_t *kerberos_all_keys = NULL; static wmem_map_t *kerberos_app_session_keys = NULL; static bool enc_key_list_cb(wmem_allocator_t* allocator _U_, wmem_cb_event_t event _U_, void *user_data _U_) { enc_key_list = NULL; kerberos_longterm_ids = 0; /* keep the callback registered */ return TRUE; } static gint enc_key_cmp_id(gconstpointer k1, gconstpointer k2) { const enc_key_t *key1 = (const enc_key_t *)k1; const enc_key_t *key2 = (const enc_key_t *)k2; if (key1->fd_num < key2->fd_num) { return -1; } if (key1->fd_num > key2->fd_num) { return 1; } if (key1->id < key2->id) { return -1; } if (key1->id > key2->id) { return 1; } return 0; } static gboolean enc_key_content_equal(gconstpointer k1, gconstpointer k2) { const enc_key_t *key1 = (const enc_key_t *)k1; const enc_key_t *key2 = (const enc_key_t *)k2; int cmp; if (key1->keytype != key2->keytype) { return FALSE; } if (key1->keylength != key2->keylength) { return FALSE; } cmp = memcmp(key1->keyvalue, key2->keyvalue, key1->keylength); if (cmp != 0) { return FALSE; } return TRUE; } static guint enc_key_content_hash(gconstpointer k) { const enc_key_t *key = (const enc_key_t *)k; guint ret = 0; ret += wmem_strong_hash((const guint8 *)&key->keytype, sizeof(key->keytype)); ret += wmem_strong_hash((const guint8 *)&key->keylength, sizeof(key->keylength)); ret += wmem_strong_hash((const guint8 *)key->keyvalue, key->keylength); return ret; } static void kerberos_key_map_insert(wmem_map_t *key_map, enc_key_t *new_key) { enc_key_t *existing = NULL; enc_key_t *cur = NULL; gint cmp; existing = (enc_key_t *)wmem_map_lookup(key_map, new_key); if (existing == NULL) { wmem_map_insert(key_map, new_key, new_key); return; } if (key_map != kerberos_all_keys) { /* * It should already be linked to the existing key... */ return; } if (existing->fd_num == -1 && new_key->fd_num != -1) { /* * We can't reference a learnt key * from a longterm key. As they have * a shorter lifetime. * * So just let the learnt key remember the * match. */ new_key->same_list = existing; new_key->num_same = existing->num_same + 1; return; } /* * If a key with the same content (keytype,keylength,keyvalue) * already exists, we want the earliest key to be * in the list. */ cmp = enc_key_cmp_id(new_key, existing); if (cmp == 0) { /* * It's the same, nothing to do... */ return; } if (cmp < 0) { /* The new key has should be added to the list. */ new_key->same_list = existing; new_key->num_same = existing->num_same + 1; wmem_map_insert(key_map, new_key, new_key); return; } /* * We want to link the new_key to the existing one. * * But we want keep the list sorted, so we need to forward * to the correct spot. */ for (cur = existing; cur->same_list != NULL; cur = cur->same_list) { cmp = enc_key_cmp_id(new_key, cur->same_list); if (cmp == 0) { /* * It's the same, nothing to do... */ return; } if (cmp < 0) { /* * We found the correct spot, * the new_key should added * between existing and existing->same_list */ new_key->same_list = cur->same_list; new_key->num_same = cur->num_same; break; } } /* * finally link new_key to existing * and fix up the numbers */ cur->same_list = new_key; for (cur = existing; cur != new_key; cur = cur->same_list) { cur->num_same += 1; } return; } struct insert_longterm_keys_into_key_map_state { wmem_map_t *key_map; }; static void insert_longterm_keys_into_key_map_cb(gpointer __key _U_, gpointer value, gpointer user_data) { struct insert_longterm_keys_into_key_map_state *state = (struct insert_longterm_keys_into_key_map_state *)user_data; enc_key_t *key = (enc_key_t *)value; kerberos_key_map_insert(state->key_map, key); } static void insert_longterm_keys_into_key_map(wmem_map_t *key_map) { /* * Because the kerberos_longterm_keys are allocated on * wmem_epan_scope() and kerberos_all_keys are allocated * on wmem_file_scope(), we need to plug the longterm keys * back to kerberos_all_keys if a new file was loaded * and wmem_file_scope() got cleared. */ if (wmem_map_size(key_map) < wmem_map_size(kerberos_longterm_keys)) { struct insert_longterm_keys_into_key_map_state state = { .key_map = key_map, }; /* * Reference all longterm keys into kerberos_all_keys */ wmem_map_foreach(kerberos_longterm_keys, insert_longterm_keys_into_key_map_cb, &state); } } static void kerberos_key_list_append(wmem_list_t *key_list, enc_key_t *new_key) { enc_key_t *existing = NULL; existing = (enc_key_t *)wmem_list_find(key_list, new_key); if (existing != NULL) { return; } wmem_list_append(key_list, new_key); } static void add_encryption_key(packet_info *pinfo, kerberos_private_data_t *private_data, proto_tree *key_tree, proto_item *key_hidden_item, tvbuff_t *key_tvb, int keytype, int keylength, const char *keyvalue, const char *origin, enc_key_t *src1, enc_key_t *src2) { wmem_allocator_t *key_scope = NULL; enc_key_t *new_key = NULL; const char *methodl = "learnt"; const char *methodu = "Learnt"; proto_item *item = NULL; private_data->last_added_key = NULL; if (src1 != NULL && src2 != NULL) { methodl = "derived"; methodu = "Derived"; } if(pinfo->fd->visited){ /* * We already processed this, * we can use a shortterm scope */ key_scope = pinfo->pool; } else { /* * As long as we have enc_key_list, we need to * use wmem_epan_scope(), when that's gone * we can dynamically select the scope based on * how long we'll need the particular key. */ key_scope = wmem_epan_scope(); } new_key = wmem_new0(key_scope, enc_key_t); snprintf(new_key->key_origin, KRB_MAX_ORIG_LEN, "%s %s in frame %u", methodl, origin, pinfo->num); new_key->fd_num = pinfo->num; new_key->id = ++private_data->learnt_key_ids; snprintf(new_key->id_str, KRB_MAX_ID_STR_LEN, "%d.%u", new_key->fd_num, new_key->id); new_key->keytype=keytype; new_key->keylength=keylength; memcpy(new_key->keyvalue, keyvalue, MIN(keylength, KRB_MAX_KEY_LENGTH)); new_key->src1 = src1; new_key->src2 = src2; if(!pinfo->fd->visited){ /* * Only keep it if we don't processed it before. */ new_key->next=enc_key_list; enc_key_list=new_key; insert_longterm_keys_into_key_map(kerberos_all_keys); kerberos_key_map_insert(kerberos_all_keys, new_key); } item = proto_tree_add_expert_format(key_tree, pinfo, &ei_kerberos_learnt_keytype, key_tvb, 0, keylength, "%s %s keytype %d (id=%d.%u) (%02x%02x%02x%02x...)", methodu, origin, keytype, pinfo->num, new_key->id, keyvalue[0] & 0xFF, keyvalue[1] & 0xFF, keyvalue[2] & 0xFF, keyvalue[3] & 0xFF); if (item != NULL && key_hidden_item != NULL) { proto_tree_move_item(key_tree, key_hidden_item, item); } if (src1 != NULL) { enc_key_t *sek = src1; expert_add_info_format(pinfo, item, &ei_kerberos_learnt_keytype, "SRC1 %s keytype %d (id=%s same=%u) (%02x%02x%02x%02x...)", sek->key_origin, sek->keytype, sek->id_str, sek->num_same, sek->keyvalue[0] & 0xFF, sek->keyvalue[1] & 0xFF, sek->keyvalue[2] & 0xFF, sek->keyvalue[3] & 0xFF); } if (src2 != NULL) { enc_key_t *sek = src2; expert_add_info_format(pinfo, item, &ei_kerberos_learnt_keytype, "SRC2 %s keytype %d (id=%s same=%u) (%02x%02x%02x%02x...)", sek->key_origin, sek->keytype, sek->id_str, sek->num_same, sek->keyvalue[0] & 0xFF, sek->keyvalue[1] & 0xFF, sek->keyvalue[2] & 0xFF, sek->keyvalue[3] & 0xFF); } kerberos_key_list_append(private_data->learnt_keys, new_key); private_data->last_added_key = new_key; } static void save_encryption_key(tvbuff_t *tvb _U_, int offset _U_, int length _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int parent_hf_index _U_, int hf_index _U_) { kerberos_private_data_t *private_data = kerberos_get_private_data(actx); const char *parent = proto_registrar_get_name(parent_hf_index); const char *element = proto_registrar_get_name(hf_index); char origin[KRB_MAX_ORIG_LEN] = { 0, }; snprintf(origin, KRB_MAX_ORIG_LEN, "%s_%s", parent, element); add_encryption_key(actx->pinfo, private_data, private_data->key_tree, private_data->key_hidden_item, private_data->key_tvb, private_data->key.keytype, private_data->key.keylength, private_data->key.keyvalue, origin, NULL, NULL); } static void save_Authenticator_subkey(tvbuff_t *tvb, int offset, int length, asn1_ctx_t *actx, proto_tree *tree, int parent_hf_index, int hf_index) { kerberos_private_data_t *private_data = kerberos_get_private_data(actx); save_encryption_key(tvb, offset, length, actx, tree, parent_hf_index, hf_index); if (private_data->last_decryption_key == NULL) { return; } if (private_data->last_added_key == NULL) { return; } if (private_data->within_PA_TGS_REQ != 0) { private_data->PA_TGS_REQ_key = private_data->last_decryption_key; private_data->PA_TGS_REQ_subkey = private_data->last_added_key; } if (private_data->fast_armor_within_armor_value != 0) { private_data->PA_FAST_ARMOR_AP_key = private_data->last_decryption_key; private_data->PA_FAST_ARMOR_AP_subkey = private_data->last_added_key; } } static void save_EncAPRepPart_subkey(tvbuff_t *tvb, int offset, int length, asn1_ctx_t *actx, proto_tree *tree, int parent_hf_index, int hf_index) { kerberos_private_data_t *private_data = kerberos_get_private_data(actx); save_encryption_key(tvb, offset, length, actx, tree, parent_hf_index, hf_index); if (actx->pinfo->fd->visited) { return; } if (private_data->last_added_key == NULL) { return; } kerberos_key_map_insert(kerberos_app_session_keys, private_data->last_added_key); } static void save_EncKDCRepPart_key(tvbuff_t *tvb, int offset, int length, asn1_ctx_t *actx, proto_tree *tree, int parent_hf_index, int hf_index) { save_encryption_key(tvb, offset, length, actx, tree, parent_hf_index, hf_index); } static void save_EncTicketPart_key(tvbuff_t *tvb, int offset, int length, asn1_ctx_t *actx, proto_tree *tree, int parent_hf_index, int hf_index) { save_encryption_key(tvb, offset, length, actx, tree, parent_hf_index, hf_index); } static void save_KrbCredInfo_key(tvbuff_t *tvb, int offset, int length, asn1_ctx_t *actx, proto_tree *tree, int parent_hf_index, int hf_index) { save_encryption_key(tvb, offset, length, actx, tree, parent_hf_index, hf_index); } static void save_KrbFastResponse_strengthen_key(tvbuff_t *tvb, int offset, int length, asn1_ctx_t *actx, proto_tree *tree, int parent_hf_index, int hf_index) { kerberos_private_data_t *private_data = kerberos_get_private_data(actx); save_encryption_key(tvb, offset, length, actx, tree, parent_hf_index, hf_index); private_data->fast_strengthen_key = private_data->last_added_key; } static void used_encryption_key(proto_tree *tree, packet_info *pinfo, kerberos_private_data_t *private_data, enc_key_t *ek, int usage, tvbuff_t *cryptotvb, const char *keymap_name, guint keymap_size, guint decryption_count) { proto_item *item = NULL; enc_key_t *sek = NULL; item = proto_tree_add_expert_format(tree, pinfo, &ei_kerberos_decrypted_keytype, cryptotvb, 0, 0, "Decrypted keytype %d usage %d " "using %s (id=%s same=%u) (%02x%02x%02x%02x...)", ek->keytype, usage, ek->key_origin, ek->id_str, ek->num_same, ek->keyvalue[0] & 0xFF, ek->keyvalue[1] & 0xFF, ek->keyvalue[2] & 0xFF, ek->keyvalue[3] & 0xFF); expert_add_info_format(pinfo, item, &ei_kerberos_decrypted_keytype, "Used keymap=%s num_keys=%u num_tries=%u)", keymap_name, keymap_size, decryption_count); if (ek->src1 != NULL) { sek = ek->src1; expert_add_info_format(pinfo, item, &ei_kerberos_decrypted_keytype, "SRC1 %s keytype %d (id=%s same=%u) (%02x%02x%02x%02x...)", sek->key_origin, sek->keytype, sek->id_str, sek->num_same, sek->keyvalue[0] & 0xFF, sek->keyvalue[1] & 0xFF, sek->keyvalue[2] & 0xFF, sek->keyvalue[3] & 0xFF); } if (ek->src2 != NULL) { sek = ek->src2; expert_add_info_format(pinfo, item, &ei_kerberos_decrypted_keytype, "SRC2 %s keytype %d (id=%s same=%u) (%02x%02x%02x%02x...)", sek->key_origin, sek->keytype, sek->id_str, sek->num_same, sek->keyvalue[0] & 0xFF, sek->keyvalue[1] & 0xFF, sek->keyvalue[2] & 0xFF, sek->keyvalue[3] & 0xFF); } sek = ek->same_list; while (sek != NULL) { expert_add_info_format(pinfo, item, &ei_kerberos_decrypted_keytype, "Decrypted keytype %d usage %d " "using %s (id=%s same=%u) (%02x%02x%02x%02x...)", sek->keytype, usage, sek->key_origin, sek->id_str, sek->num_same, sek->keyvalue[0] & 0xFF, sek->keyvalue[1] & 0xFF, sek->keyvalue[2] & 0xFF, sek->keyvalue[3] & 0xFF); sek = sek->same_list; } kerberos_key_list_append(private_data->decryption_keys, ek); private_data->last_decryption_key = ek; } #endif /* HAVE_HEIMDAL_KERBEROS || HAVE_MIT_KERBEROS */ #ifdef HAVE_MIT_KERBEROS static void missing_encryption_key(proto_tree *tree, packet_info *pinfo, kerberos_private_data_t *private_data, int keytype, int usage, tvbuff_t *cryptotvb, const char *keymap_name, guint keymap_size, guint decryption_count) { proto_item *item = NULL; enc_key_t *mek = NULL; mek = wmem_new0(pinfo->pool, enc_key_t); snprintf(mek->key_origin, KRB_MAX_ORIG_LEN, "keytype %d usage %d missing in frame %u", keytype, usage, pinfo->num); mek->fd_num = pinfo->num; mek->id = ++private_data->missing_key_ids; snprintf(mek->id_str, KRB_MAX_ID_STR_LEN, "missing.%u", mek->id); mek->keytype=keytype; item = proto_tree_add_expert_format(tree, pinfo, &ei_kerberos_missing_keytype, cryptotvb, 0, 0, "Missing keytype %d usage %d (id=%s)", keytype, usage, mek->id_str); expert_add_info_format(pinfo, item, &ei_kerberos_missing_keytype, "Used keymap=%s num_keys=%u num_tries=%u)", keymap_name, keymap_size, decryption_count); kerberos_key_list_append(private_data->missing_keys, mek); } #ifdef HAVE_KRB5_PAC_VERIFY static void used_signing_key(proto_tree *tree, packet_info *pinfo, kerberos_private_data_t *private_data, enc_key_t *ek, tvbuff_t *tvb, krb5_cksumtype checksum, const char *reason, const char *keymap_name, guint keymap_size, guint verify_count) { proto_item *item = NULL; enc_key_t *sek = NULL; item = proto_tree_add_expert_format(tree, pinfo, &ei_kerberos_decrypted_keytype, tvb, 0, 0, "%s checksum %d keytype %d " "using %s (id=%s same=%u) (%02x%02x%02x%02x...)", reason, checksum, ek->keytype, ek->key_origin, ek->id_str, ek->num_same, ek->keyvalue[0] & 0xFF, ek->keyvalue[1] & 0xFF, ek->keyvalue[2] & 0xFF, ek->keyvalue[3] & 0xFF); expert_add_info_format(pinfo, item, &ei_kerberos_decrypted_keytype, "Used keymap=%s num_keys=%u num_tries=%u)", keymap_name, keymap_size, verify_count); sek = ek->same_list; while (sek != NULL) { expert_add_info_format(pinfo, item, &ei_kerberos_decrypted_keytype, "%s checksum %d keytype %d " "using %s (id=%s same=%u) (%02x%02x%02x%02x...)", reason, checksum, sek->keytype, sek->key_origin, sek->id_str, sek->num_same, sek->keyvalue[0] & 0xFF, sek->keyvalue[1] & 0xFF, sek->keyvalue[2] & 0xFF, sek->keyvalue[3] & 0xFF); sek = sek->same_list; } kerberos_key_list_append(private_data->decryption_keys, ek); } static void missing_signing_key(proto_tree *tree, packet_info *pinfo, kerberos_private_data_t *private_data, tvbuff_t *tvb, krb5_cksumtype checksum, int keytype, const char *reason, const char *keymap_name, guint keymap_size, guint verify_count) { proto_item *item = NULL; enc_key_t *mek = NULL; mek = wmem_new0(pinfo->pool, enc_key_t); snprintf(mek->key_origin, KRB_MAX_ORIG_LEN, "checksum %d keytype %d missing in frame %u", checksum, keytype, pinfo->num); mek->fd_num = pinfo->num; mek->id = ++private_data->missing_key_ids; snprintf(mek->id_str, KRB_MAX_ID_STR_LEN, "missing.%u", mek->id); mek->keytype=keytype; item = proto_tree_add_expert_format(tree, pinfo, &ei_kerberos_missing_keytype, tvb, 0, 0, "%s checksum %d keytype %d (id=%s)", reason, checksum, keytype, mek->id_str); expert_add_info_format(pinfo, item, &ei_kerberos_missing_keytype, "Used keymap=%s num_keys=%u num_tries=%u)", keymap_name, keymap_size, verify_count); kerberos_key_list_append(private_data->missing_keys, mek); } #endif /* HAVE_KRB5_PAC_VERIFY */ static krb5_context krb5_ctx; #ifdef HAVE_KRB5_C_FX_CF2_SIMPLE static void krb5_fast_key(asn1_ctx_t *actx, proto_tree *tree, tvbuff_t *tvb, enc_key_t *ek1 _U_, const char *p1 _U_, enc_key_t *ek2 _U_, const char *p2 _U_, const char *origin _U_) { kerberos_private_data_t *private_data = kerberos_get_private_data(actx); krb5_error_code ret; krb5_keyblock k1; krb5_keyblock k2; krb5_keyblock *k = NULL; if (!krb_decrypt) { return; } if (ek1 == NULL) { return; } if (ek2 == NULL) { return; } k1.magic = KV5M_KEYBLOCK; k1.enctype = ek1->keytype; k1.length = ek1->keylength; k1.contents = (guint8 *)ek1->keyvalue; k2.magic = KV5M_KEYBLOCK; k2.enctype = ek2->keytype; k2.length = ek2->keylength; k2.contents = (guint8 *)ek2->keyvalue; ret = krb5_c_fx_cf2_simple(krb5_ctx, &k1, p1, &k2, p2, &k); if (ret != 0) { return; } add_encryption_key(actx->pinfo, private_data, tree, NULL, tvb, k->enctype, k->length, (const char *)k->contents, origin, ek1, ek2); krb5_free_keyblock(krb5_ctx, k); } #else /* HAVE_KRB5_C_FX_CF2_SIMPLE */ static void krb5_fast_key(asn1_ctx_t *actx _U_, proto_tree *tree _U_, tvbuff_t *tvb _U_, enc_key_t *ek1 _U_, const char *p1 _U_, enc_key_t *ek2 _U_, const char *p2 _U_, const char *origin _U_) { } #endif /* HAVE_KRB5_C_FX_CF2_SIMPLE */ USES_APPLE_DEPRECATED_API void read_keytab_file(const char *filename) { krb5_keytab keytab; krb5_error_code ret; krb5_keytab_entry key; krb5_kt_cursor cursor; static gboolean first_time=TRUE; if (filename == NULL || filename[0] == 0) { return; } if(first_time){ first_time=FALSE; ret = krb5_init_context(&krb5_ctx); if(ret && ret != KRB5_CONFIG_CANTOPEN){ return; } } /* should use a file in the wireshark users dir */ ret = krb5_kt_resolve(krb5_ctx, filename, &keytab); if(ret){ fprintf(stderr, "KERBEROS ERROR: Badly formatted keytab filename :%s\n",filename); return; } ret = krb5_kt_start_seq_get(krb5_ctx, keytab, &cursor); if(ret){ fprintf(stderr, "KERBEROS ERROR: Could not open or could not read from keytab file :%s\n",filename); return; } do{ ret = krb5_kt_next_entry(krb5_ctx, keytab, &key, &cursor); if(ret==0){ enc_key_t *new_key; int i; char *pos; new_key = wmem_new0(wmem_epan_scope(), enc_key_t); new_key->fd_num = -1; new_key->id = ++kerberos_longterm_ids; snprintf(new_key->id_str, KRB_MAX_ID_STR_LEN, "keytab.%u", new_key->id); new_key->next = enc_key_list; /* generate origin string, describing where this key came from */ pos=new_key->key_origin; pos+=MIN(KRB_MAX_ORIG_LEN, snprintf(pos, KRB_MAX_ORIG_LEN, "keytab principal ")); for(i=0;ilength;i++){ pos+=MIN(KRB_MAX_ORIG_LEN-(pos-new_key->key_origin), snprintf(pos, KRB_MAX_ORIG_LEN-(pos-new_key->key_origin), "%s%s",(i?"/":""),(key.principal->data[i]).data)); } pos+=MIN(KRB_MAX_ORIG_LEN-(pos-new_key->key_origin), snprintf(pos, KRB_MAX_ORIG_LEN-(pos-new_key->key_origin), "@%s",key.principal->realm.data)); *pos=0; new_key->keytype=key.key.enctype; new_key->keylength=key.key.length; memcpy(new_key->keyvalue, key.key.contents, MIN(key.key.length, KRB_MAX_KEY_LENGTH)); enc_key_list=new_key; ret = krb5_free_keytab_entry_contents(krb5_ctx, &key); if (ret) { fprintf(stderr, "KERBEROS ERROR: Could not release the entry: %d", ret); ret = 0; /* try to continue with the next entry */ } kerberos_key_map_insert(kerberos_longterm_keys, new_key); } }while(ret==0); ret = krb5_kt_end_seq_get(krb5_ctx, keytab, &cursor); if(ret){ fprintf(stderr, "KERBEROS ERROR: Could not release the keytab cursor: %d", ret); } ret = krb5_kt_close(krb5_ctx, keytab); if(ret){ fprintf(stderr, "KERBEROS ERROR: Could not close the key table handle: %d", ret); } } struct decrypt_krb5_with_cb_state { proto_tree *tree; packet_info *pinfo; kerberos_private_data_t *private_data; int usage; int keytype; tvbuff_t *cryptotvb; krb5_error_code (*decrypt_cb_fn)( const krb5_keyblock *key, int usage, void *decrypt_cb_data); void *decrypt_cb_data; guint count; enc_key_t *ek; }; static void decrypt_krb5_with_cb_try_key(gpointer __key _U_, gpointer value, gpointer userdata) { struct decrypt_krb5_with_cb_state *state = (struct decrypt_krb5_with_cb_state *)userdata; enc_key_t *ek = (enc_key_t *)value; krb5_error_code ret; krb5_keytab_entry key; #ifdef HAVE_KRB5_C_FX_CF2_SIMPLE enc_key_t *ak = state->private_data->fast_armor_key; enc_key_t *sk = state->private_data->fast_strengthen_key; gboolean try_with_armor_key = FALSE; gboolean try_with_strengthen_key = FALSE; #endif if (state->ek != NULL) { /* * we're done. */ return; } #ifdef HAVE_KRB5_C_FX_CF2_SIMPLE if (ak != NULL && ak != ek && ak->keytype == state->keytype && ek->fd_num == -1) { switch (state->usage) { case KEY_USAGE_ENC_CHALLENGE_CLIENT: case KEY_USAGE_ENC_CHALLENGE_KDC: if (ek->fd_num == -1) { /* Challenges are based on a long term key */ try_with_armor_key = TRUE; } break; } /* * If we already have a strengthen_key * we don't need to try with the armor key * again */ if (sk != NULL) { try_with_armor_key = FALSE; } } if (sk != NULL && sk != ek && sk->keytype == state->keytype && sk->keytype == ek->keytype) { switch (state->usage) { case 3: if (ek->fd_num == -1) { /* AS-REP is based on a long term key */ try_with_strengthen_key = TRUE; } break; case 8: case 9: if (ek->fd_num != -1) { /* TGS-REP is not based on a long term key */ try_with_strengthen_key = TRUE; } break; } } if (try_with_armor_key) { krb5_keyblock k1; krb5_keyblock k2; krb5_keyblock *k = NULL; const char *p1 = NULL; k1.magic = KV5M_KEYBLOCK; k1.enctype = ak->keytype; k1.length = ak->keylength; k1.contents = (guint8 *)ak->keyvalue; k2.magic = KV5M_KEYBLOCK; k2.enctype = ek->keytype; k2.length = ek->keylength; k2.contents = (guint8 *)ek->keyvalue; switch (state->usage) { case KEY_USAGE_ENC_CHALLENGE_CLIENT: p1 = "clientchallengearmor"; break; case KEY_USAGE_ENC_CHALLENGE_KDC: p1 = "kdcchallengearmor"; break; default: /* * Should never be called! */ /* * try the next one... */ return; } ret = krb5_c_fx_cf2_simple(krb5_ctx, &k1, p1, &k2, "challengelongterm", &k); if (ret != 0) { /* * try the next one... */ return; } state->count += 1; ret = state->decrypt_cb_fn(k, state->usage, state->decrypt_cb_data); if (ret == 0) { add_encryption_key(state->pinfo, state->private_data, state->tree, NULL, state->cryptotvb, k->enctype, k->length, (const char *)k->contents, p1, ak, ek); krb5_free_keyblock(krb5_ctx, k); /* * remember the key and stop traversing */ state->ek = state->private_data->last_added_key; return; } krb5_free_keyblock(krb5_ctx, k); /* * don't stop traversing... * try the next one... */ return; } if (try_with_strengthen_key) { krb5_keyblock k1; krb5_keyblock k2; krb5_keyblock *k = NULL; k1.magic = KV5M_KEYBLOCK; k1.enctype = sk->keytype; k1.length = sk->keylength; k1.contents = (guint8 *)sk->keyvalue; k2.magic = KV5M_KEYBLOCK; k2.enctype = ek->keytype; k2.length = ek->keylength; k2.contents = (guint8 *)ek->keyvalue; ret = krb5_c_fx_cf2_simple(krb5_ctx, &k1, "strengthenkey", &k2, "replykey", &k); if (ret != 0) { /* * try the next one... */ return; } state->count += 1; ret = state->decrypt_cb_fn(k, state->usage, state->decrypt_cb_data); if (ret == 0) { add_encryption_key(state->pinfo, state->private_data, state->tree, NULL, state->cryptotvb, k->enctype, k->length, (const char *)k->contents, "strengthen-reply-key", sk, ek); krb5_free_keyblock(krb5_ctx, k); /* * remember the key and stop traversing */ state->ek = state->private_data->last_added_key; return; } krb5_free_keyblock(krb5_ctx, k); /* * don't stop traversing... * try the next one... */ return; } #endif /* HAVE_KRB5_C_FX_CF2_SIMPLE */ /* shortcircuit and bail out if enctypes are not matching */ if ((state->keytype != -1) && (ek->keytype != state->keytype)) { /* * don't stop traversing... * try the next one... */ return; } key.key.enctype=ek->keytype; key.key.length=ek->keylength; key.key.contents=ek->keyvalue; state->count += 1; ret = state->decrypt_cb_fn(&(key.key), state->usage, state->decrypt_cb_data); if (ret != 0) { /* * don't stop traversing... * try the next one... */ return; } /* * we're done, remember the key */ state->ek = ek; } static krb5_error_code decrypt_krb5_with_cb(proto_tree *tree, packet_info *pinfo, kerberos_private_data_t *private_data, int usage, int keytype, tvbuff_t *cryptotvb, krb5_error_code (*decrypt_cb_fn)( const krb5_keyblock *key, int usage, void *decrypt_cb_data), void *decrypt_cb_data) { const char *key_map_name = NULL; wmem_map_t *key_map = NULL; struct decrypt_krb5_with_cb_state state = { .tree = tree, .pinfo = pinfo, .private_data = private_data, .usage = usage, .cryptotvb = cryptotvb, .keytype = keytype, .decrypt_cb_fn = decrypt_cb_fn, .decrypt_cb_data = decrypt_cb_data, }; read_keytab_file_from_preferences(); switch (usage) { case KRB5_KU_USAGE_INITIATOR_SEAL: case KRB5_KU_USAGE_ACCEPTOR_SEAL: key_map_name = "app_session_keys"; key_map = kerberos_app_session_keys; break; default: key_map_name = "all_keys"; key_map = kerberos_all_keys; insert_longterm_keys_into_key_map(key_map); break; } wmem_map_foreach(key_map, decrypt_krb5_with_cb_try_key, &state); if (state.ek != NULL) { used_encryption_key(tree, pinfo, private_data, state.ek, usage, cryptotvb, key_map_name, wmem_map_size(key_map), state.count); return 0; } missing_encryption_key(tree, pinfo, private_data, keytype, usage, cryptotvb, key_map_name, wmem_map_size(key_map), state.count); return -1; } struct decrypt_krb5_data_state { krb5_data input; krb5_data output; }; static krb5_error_code decrypt_krb5_data_cb(const krb5_keyblock *key, int usage, void *decrypt_cb_data) { struct decrypt_krb5_data_state *state = (struct decrypt_krb5_data_state *)decrypt_cb_data; krb5_enc_data input; memset(&input, 0, sizeof(input)); input.enctype = key->enctype; input.ciphertext = state->input; return krb5_c_decrypt(krb5_ctx, key, usage, 0, &input, &state->output); } static guint8 * decrypt_krb5_data_private(proto_tree *tree _U_, packet_info *pinfo, kerberos_private_data_t *private_data, int usage, tvbuff_t *cryptotvb, int keytype, int *datalen) { #define HAVE_DECRYPT_KRB5_DATA_PRIVATE 1 struct decrypt_krb5_data_state state; krb5_error_code ret; int length = tvb_captured_length(cryptotvb); const guint8 *cryptotext = tvb_get_ptr(cryptotvb, 0, length); /* don't do anything if we are not attempting to decrypt data */ if(!krb_decrypt || length < 1){ return NULL; } /* make sure we have all the data we need */ if (tvb_captured_length(cryptotvb) < tvb_reported_length(cryptotvb)) { return NULL; } memset(&state, 0, sizeof(state)); state.input.length = length; state.input.data = (guint8 *)cryptotext; state.output.data = (char *)wmem_alloc(pinfo->pool, length); state.output.length = length; ret = decrypt_krb5_with_cb(tree, pinfo, private_data, usage, keytype, cryptotvb, decrypt_krb5_data_cb, &state); if (ret != 0) { return NULL; } if (datalen) { *datalen = state.output.length; } return (guint8 *)state.output.data; } guint8 * decrypt_krb5_data(proto_tree *tree _U_, packet_info *pinfo, int usage, tvbuff_t *cryptotvb, int keytype, int *datalen) { kerberos_private_data_t *zero_private = kerberos_new_private_data(pinfo); return decrypt_krb5_data_private(tree, pinfo, zero_private, usage, cryptotvb, keytype, datalen); } USES_APPLE_RST #ifdef KRB5_CRYPTO_TYPE_SIGN_ONLY struct decrypt_krb5_krb_cfx_dce_state { const guint8 *gssapi_header_ptr; guint gssapi_header_len; tvbuff_t *gssapi_encrypted_tvb; guint8 *gssapi_payload; guint gssapi_payload_len; const guint8 *gssapi_trailer_ptr; guint gssapi_trailer_len; tvbuff_t *checksum_tvb; guint8 *checksum; guint checksum_len; }; static krb5_error_code decrypt_krb5_krb_cfx_dce_cb(const krb5_keyblock *key, int usage, void *decrypt_cb_data) { struct decrypt_krb5_krb_cfx_dce_state *state = (struct decrypt_krb5_krb_cfx_dce_state *)decrypt_cb_data; unsigned int k5_headerlen = 0; unsigned int k5_headerofs = 0; unsigned int k5_trailerlen = 0; unsigned int k5_trailerofs = 0; size_t _k5_blocksize = 0; guint k5_blocksize; krb5_crypto_iov iov[6]; krb5_error_code ret; guint checksum_remain = state->checksum_len; guint checksum_crypt_len; memset(iov, 0, sizeof(iov)); ret = krb5_c_crypto_length(krb5_ctx, key->enctype, KRB5_CRYPTO_TYPE_HEADER, &k5_headerlen); if (ret != 0) { return ret; } if (checksum_remain < k5_headerlen) { return -1; } checksum_remain -= k5_headerlen; k5_headerofs = checksum_remain; ret = krb5_c_crypto_length(krb5_ctx, key->enctype, KRB5_CRYPTO_TYPE_TRAILER, &k5_trailerlen); if (ret != 0) { return ret; } if (checksum_remain < k5_trailerlen) { return -1; } checksum_remain -= k5_trailerlen; k5_trailerofs = checksum_remain; checksum_crypt_len = checksum_remain; ret = krb5_c_block_size(krb5_ctx, key->enctype, &_k5_blocksize); if (ret != 0) { return ret; } /* * The cast is required for the Windows build in order * to avoid the following warning. * * warning C4267: '-=': conversion from 'size_t' to 'guint', * possible loss of data */ k5_blocksize = (guint)_k5_blocksize; if (checksum_remain < k5_blocksize) { return -1; } checksum_remain -= k5_blocksize; if (checksum_remain < 16) { return -1; } tvb_memcpy(state->gssapi_encrypted_tvb, state->gssapi_payload, 0, state->gssapi_payload_len); tvb_memcpy(state->checksum_tvb, state->checksum, 0, state->checksum_len); iov[0].flags = KRB5_CRYPTO_TYPE_HEADER; iov[0].data.data = state->checksum + k5_headerofs; iov[0].data.length = k5_headerlen; if (state->gssapi_header_ptr != NULL) { iov[1].flags = KRB5_CRYPTO_TYPE_SIGN_ONLY; iov[1].data.data = (guint8 *)(guintptr)state->gssapi_header_ptr; iov[1].data.length = state->gssapi_header_len; } else { iov[1].flags = KRB5_CRYPTO_TYPE_EMPTY; } iov[2].flags = KRB5_CRYPTO_TYPE_DATA; iov[2].data.data = state->gssapi_payload; iov[2].data.length = state->gssapi_payload_len; if (state->gssapi_trailer_ptr != NULL) { iov[3].flags = KRB5_CRYPTO_TYPE_SIGN_ONLY; iov[3].data.data = (guint8 *)(guintptr)state->gssapi_trailer_ptr; iov[3].data.length = state->gssapi_trailer_len; } else { iov[3].flags = KRB5_CRYPTO_TYPE_EMPTY; } iov[4].flags = KRB5_CRYPTO_TYPE_DATA; iov[4].data.data = state->checksum; iov[4].data.length = checksum_crypt_len; iov[5].flags = KRB5_CRYPTO_TYPE_TRAILER; iov[5].data.data = state->checksum + k5_trailerofs; iov[5].data.length = k5_trailerlen; return krb5_c_decrypt_iov(krb5_ctx, key, usage, 0, iov, 6); } tvbuff_t * decrypt_krb5_krb_cfx_dce(proto_tree *tree, packet_info *pinfo, int usage, int keytype, tvbuff_t *gssapi_header_tvb, tvbuff_t *gssapi_encrypted_tvb, tvbuff_t *gssapi_trailer_tvb, tvbuff_t *checksum_tvb) { struct decrypt_krb5_krb_cfx_dce_state state; kerberos_private_data_t *zero_private = kerberos_new_private_data(pinfo); tvbuff_t *gssapi_decrypted_tvb = NULL; krb5_error_code ret; /* don't do anything if we are not attempting to decrypt data */ if (!krb_decrypt) { return NULL; } memset(&state, 0, sizeof(state)); /* make sure we have all the data we need */ #define __CHECK_TVB_LEN(__tvb) (tvb_captured_length(__tvb) < tvb_reported_length(__tvb)) if (gssapi_header_tvb != NULL) { if (__CHECK_TVB_LEN(gssapi_header_tvb)) { return NULL; } state.gssapi_header_len = tvb_captured_length(gssapi_header_tvb); state.gssapi_header_ptr = tvb_get_ptr(gssapi_header_tvb, 0, state.gssapi_header_len); } if (gssapi_encrypted_tvb == NULL || __CHECK_TVB_LEN(gssapi_encrypted_tvb)) { return NULL; } state.gssapi_encrypted_tvb = gssapi_encrypted_tvb; state.gssapi_payload_len = tvb_captured_length(gssapi_encrypted_tvb); state.gssapi_payload = (guint8 *)wmem_alloc0(pinfo->pool, state.gssapi_payload_len); if (state.gssapi_payload == NULL) { return NULL; } if (gssapi_trailer_tvb != NULL) { if (__CHECK_TVB_LEN(gssapi_trailer_tvb)) { return NULL; } state.gssapi_trailer_len = tvb_captured_length(gssapi_trailer_tvb); state.gssapi_trailer_ptr = tvb_get_ptr(gssapi_trailer_tvb, 0, state.gssapi_trailer_len); } if (checksum_tvb == NULL || __CHECK_TVB_LEN(checksum_tvb)) { return NULL; } state.checksum_tvb = checksum_tvb; state.checksum_len = tvb_captured_length(checksum_tvb); state.checksum = (guint8 *)wmem_alloc0(pinfo->pool, state.checksum_len); if (state.checksum == NULL) { return NULL; } ret = decrypt_krb5_with_cb(tree, pinfo, zero_private, usage, keytype, gssapi_encrypted_tvb, decrypt_krb5_krb_cfx_dce_cb, &state); wmem_free(pinfo->pool, state.checksum); if (ret != 0) { wmem_free(pinfo->pool, state.gssapi_payload); return NULL; } gssapi_decrypted_tvb = tvb_new_child_real_data(gssapi_encrypted_tvb, state.gssapi_payload, state.gssapi_payload_len, state.gssapi_payload_len); if (gssapi_decrypted_tvb == NULL) { wmem_free(pinfo->pool, state.gssapi_payload); return NULL; } return gssapi_decrypted_tvb; } #else /* NOT KRB5_CRYPTO_TYPE_SIGN_ONLY */ #define NEED_DECRYPT_KRB5_KRB_CFX_DCE_NOOP 1 #endif /* NOT KRB5_CRYPTO_TYPE_SIGN_ONLY */ #ifdef HAVE_KRB5_PAC_VERIFY /* * macOS up to 10.14.5 only has a MIT shim layer on top * of heimdal. It means that krb5_pac_verify() is not available * in /usr/lib/libkrb5.dylib * * https://opensource.apple.com/tarballs/Heimdal/Heimdal-520.260.1.tar.gz * https://opensource.apple.com/tarballs/MITKerberosShim/MITKerberosShim-71.200.1.tar.gz */ extern krb5_error_code krb5int_c_mandatory_cksumtype(krb5_context, krb5_enctype, krb5_cksumtype *); extern void krb5_free_enc_tkt_part(krb5_context, krb5_enc_tkt_part *); extern krb5_error_code decode_krb5_enc_tkt_part(const krb5_data *output, krb5_enc_tkt_part **rep); extern krb5_error_code encode_krb5_enc_tkt_part(const krb5_enc_tkt_part *rep, krb5_data **code); static int keytype_for_cksumtype(krb5_cksumtype checksum) { #define _ARRAY_SIZE(X) (sizeof(X) / sizeof((X)[0])) static const int keytypes[] = { 18, 17, 23, }; guint i; for (i = 0; i < _ARRAY_SIZE(keytypes); i++) { krb5_cksumtype checksumtype = 0; krb5_error_code ret; ret = krb5int_c_mandatory_cksumtype(krb5_ctx, keytypes[i], &checksumtype); if (ret != 0) { continue; } if (checksum == checksumtype) { return keytypes[i]; } } return -1; } struct verify_krb5_pac_state { krb5_pac pac; krb5_cksumtype server_checksum; guint server_count; enc_key_t *server_ek; krb5_cksumtype kdc_checksum; guint kdc_count; enc_key_t *kdc_ek; krb5_cksumtype ticket_checksum_type; const krb5_data *ticket_checksum_data; }; static void verify_krb5_pac_try_server_key(gpointer __key _U_, gpointer value, gpointer userdata) { struct verify_krb5_pac_state *state = (struct verify_krb5_pac_state *)userdata; enc_key_t *ek = (enc_key_t *)value; krb5_keyblock keyblock; krb5_cksumtype checksumtype = 0; krb5_error_code ret; if (state->server_checksum == 0) { /* * nothing more todo, stop traversing. */ return; } if (state->server_ek != NULL) { /* * we're done. */ return; } ret = krb5int_c_mandatory_cksumtype(krb5_ctx, ek->keytype, &checksumtype); if (ret != 0) { /* * the key is not usable, keep traversing. * try the next key... */ return; } keyblock.magic = KV5M_KEYBLOCK; keyblock.enctype = ek->keytype; keyblock.length = ek->keylength; keyblock.contents = (guint8 *)ek->keyvalue; if (checksumtype == state->server_checksum) { state->server_count += 1; ret = krb5_pac_verify(krb5_ctx, state->pac, 0, NULL, &keyblock, NULL); if (ret == 0) { state->server_ek = ek; } } } static void verify_krb5_pac_try_kdc_key(gpointer __key _U_, gpointer value, gpointer userdata) { struct verify_krb5_pac_state *state = (struct verify_krb5_pac_state *)userdata; enc_key_t *ek = (enc_key_t *)value; krb5_keyblock keyblock; krb5_cksumtype checksumtype = 0; krb5_error_code ret; if (state->kdc_checksum == 0) { /* * nothing more todo, stop traversing. */ return; } if (state->kdc_ek != NULL) { /* * we're done. */ return; } ret = krb5int_c_mandatory_cksumtype(krb5_ctx, ek->keytype, &checksumtype); if (ret != 0) { /* * the key is not usable, keep traversing. * try the next key... */ return; } keyblock.magic = KV5M_KEYBLOCK; keyblock.enctype = ek->keytype; keyblock.length = ek->keylength; keyblock.contents = (guint8 *)ek->keyvalue; if (checksumtype == state->kdc_checksum) { state->kdc_count += 1; ret = krb5_pac_verify(krb5_ctx, state->pac, 0, NULL, NULL, &keyblock); if (ret == 0) { state->kdc_ek = ek; } } } #define __KRB5_PAC_TICKET_CHECKSUM 16 static void verify_krb5_pac_ticket_checksum(proto_tree *tree _U_, asn1_ctx_t *actx _U_, tvbuff_t *pactvb _U_, struct verify_krb5_pac_state *state _U_) { #ifdef HAVE_DECODE_KRB5_ENC_TKT_PART kerberos_private_data_t *private_data = kerberos_get_private_data(actx); tvbuff_t *teptvb = private_data->last_ticket_enc_part_tvb; guint teplength = 0; const guint8 *tepbuffer = NULL; krb5_data tepdata = { .length = 0, }; krb5_enc_tkt_part *tep = NULL; krb5_data *tmpdata = NULL; krb5_error_code ret; krb5_authdata **recoded_container = NULL; gint ad_orig_idx = -1; krb5_authdata *ad_orig_ptr = NULL; gint l0idx = 0; krb5_keyblock kdc_key = { .magic = KV5M_KEYBLOCK, }; size_t checksum_length = 0; krb5_checksum checksum = { .checksum_type = 0, }; krb5_boolean valid = FALSE; if (state->kdc_ek == NULL) { int keytype = keytype_for_cksumtype(state->ticket_checksum_type); missing_signing_key(tree, actx->pinfo, private_data, pactvb, state->ticket_checksum_type, keytype, "Missing KDC (for ticket)", "kdc_checksum_key", 0, 0); return; } if (teptvb == NULL) { return; } teplength = tvb_captured_length(teptvb); /* make sure we have all the data we need */ if (teplength < tvb_reported_length(teptvb)) { return; } tepbuffer = tvb_get_ptr(teptvb, 0, teplength); if (tepbuffer == NULL) { return; } kdc_key.magic = KV5M_KEYBLOCK; kdc_key.enctype = state->kdc_ek->keytype; kdc_key.length = state->kdc_ek->keylength; kdc_key.contents = (guint8 *)state->kdc_ek->keyvalue; checksum.checksum_type = state->ticket_checksum_type; checksum.length = state->ticket_checksum_data->length; checksum.contents = (guint8 *)state->ticket_checksum_data->data; if (checksum.length >= 4) { checksum.length -= 4; checksum.contents += 4; } ret = krb5_c_checksum_length(krb5_ctx, checksum.checksum_type, &checksum_length); if (ret != 0) { missing_signing_key(tree, actx->pinfo, private_data, pactvb, state->ticket_checksum_type, state->kdc_ek->keytype, "krb5_c_checksum_length failed for Ticket Signature", "kdc_checksum_key", 1, 0); return; } checksum.length = MIN(checksum.length, (unsigned int)checksum_length); tepdata.data = (void *)tepbuffer; tepdata.length = teplength; ret = decode_krb5_enc_tkt_part(&tepdata, &tep); if (ret != 0) { missing_signing_key(tree, actx->pinfo, private_data, pactvb, state->ticket_checksum_type, state->kdc_ek->keytype, "decode_krb5_enc_tkt_part failed", "kdc_checksum_key", 1, 0); return; } for (l0idx = 0; tep->authorization_data[l0idx]; l0idx++) { krb5_authdata *adl0 = tep->authorization_data[l0idx]; krb5_authdata **decoded_container = NULL; krb5_authdata *ad_pac = NULL; gint l1idx = 0; if (adl0->ad_type != KRB5_AUTHDATA_IF_RELEVANT) { continue; } ret = krb5_decode_authdata_container(krb5_ctx, KRB5_AUTHDATA_IF_RELEVANT, adl0, &decoded_container); if (ret != 0) { missing_signing_key(tree, actx->pinfo, private_data, pactvb, state->ticket_checksum_type, state->kdc_ek->keytype, "krb5_decode_authdata_container failed", "kdc_checksum_key", 1, 0); krb5_free_enc_tkt_part(krb5_ctx, tep); return; } for (l1idx = 0; decoded_container[l1idx]; l1idx++) { krb5_authdata *adl1 = decoded_container[l1idx]; if (adl1->ad_type != KRB5_AUTHDATA_WIN2K_PAC) { continue; } ad_pac = adl1; break; } if (ad_pac == NULL) { krb5_free_authdata(krb5_ctx, decoded_container); continue; } ad_pac->length = 1; ad_pac->contents[0] = '\0'; ret = krb5_encode_authdata_container(krb5_ctx, KRB5_AUTHDATA_IF_RELEVANT, decoded_container, &recoded_container); krb5_free_authdata(krb5_ctx, decoded_container); decoded_container = NULL; if (ret != 0) { missing_signing_key(tree, actx->pinfo, private_data, pactvb, state->ticket_checksum_type, state->kdc_ek->keytype, "krb5_encode_authdata_container failed", "kdc_checksum_key", 1, 0); krb5_free_enc_tkt_part(krb5_ctx, tep); return; } ad_orig_idx = l0idx; ad_orig_ptr = adl0; tep->authorization_data[l0idx] = recoded_container[0]; break; } ret = encode_krb5_enc_tkt_part(tep, &tmpdata); if (ad_orig_ptr != NULL) { tep->authorization_data[ad_orig_idx] = ad_orig_ptr; } krb5_free_enc_tkt_part(krb5_ctx, tep); tep = NULL; if (recoded_container != NULL) { krb5_free_authdata(krb5_ctx, recoded_container); recoded_container = NULL; } if (ret != 0) { missing_signing_key(tree, actx->pinfo, private_data, pactvb, state->ticket_checksum_type, state->kdc_ek->keytype, "encode_krb5_enc_tkt_part failed", "kdc_checksum_key", 1, 0); return; } ret = krb5_c_verify_checksum(krb5_ctx, &kdc_key, KRB5_KEYUSAGE_APP_DATA_CKSUM, tmpdata, &checksum, &valid); krb5_free_data(krb5_ctx, tmpdata); tmpdata = NULL; if (ret != 0) { missing_signing_key(tree, actx->pinfo, private_data, pactvb, state->ticket_checksum_type, state->kdc_ek->keytype, "krb5_c_verify_checksum failed for Ticket Signature", "kdc_checksum_key", 1, 1); return; } if (valid == FALSE) { missing_signing_key(tree, actx->pinfo, private_data, pactvb, state->ticket_checksum_type, state->kdc_ek->keytype, "Invalid Ticket", "kdc_checksum_key", 1, 1); return; } used_signing_key(tree, actx->pinfo, private_data, state->kdc_ek, pactvb, state->ticket_checksum_type, "Verified Ticket", "kdc_checksum_key", 1, 1); #endif /* HAVE_DECODE_KRB5_ENC_TKT_PART */ } static void verify_krb5_pac(proto_tree *tree _U_, asn1_ctx_t *actx, tvbuff_t *pactvb) { kerberos_private_data_t *private_data = kerberos_get_private_data(actx); krb5_error_code ret; krb5_data checksum_data = {0,0,NULL}; krb5_data ticket_checksum_data = {0,0,NULL}; int length = tvb_captured_length(pactvb); const guint8 *pacbuffer = NULL; struct verify_krb5_pac_state state = { .kdc_checksum = 0, }; /* don't do anything if we are not attempting to decrypt data */ if(!krb_decrypt || length < 1){ return; } /* make sure we have all the data we need */ if (tvb_captured_length(pactvb) < tvb_reported_length(pactvb)) { return; } pacbuffer = tvb_get_ptr(pactvb, 0, length); ret = krb5_pac_parse(krb5_ctx, pacbuffer, length, &state.pac); if (ret != 0) { proto_tree_add_expert_format(tree, actx->pinfo, &ei_kerberos_decrypted_keytype, pactvb, 0, 0, "Failed to parse PAC buffer %d in frame %u", ret, actx->pinfo->fd->num); return; } ret = krb5_pac_get_buffer(krb5_ctx, state.pac, KRB5_PAC_SERVER_CHECKSUM, &checksum_data); if (ret == 0) { state.server_checksum = pletoh32(checksum_data.data); krb5_free_data_contents(krb5_ctx, &checksum_data); }; ret = krb5_pac_get_buffer(krb5_ctx, state.pac, KRB5_PAC_PRIVSVR_CHECKSUM, &checksum_data); if (ret == 0) { state.kdc_checksum = pletoh32(checksum_data.data); krb5_free_data_contents(krb5_ctx, &checksum_data); }; ret = krb5_pac_get_buffer(krb5_ctx, state.pac, __KRB5_PAC_TICKET_CHECKSUM, &ticket_checksum_data); if (ret == 0) { state.ticket_checksum_data = &ticket_checksum_data; state.ticket_checksum_type = pletoh32(ticket_checksum_data.data); }; read_keytab_file_from_preferences(); wmem_map_foreach(kerberos_all_keys, verify_krb5_pac_try_server_key, &state); if (state.server_ek != NULL) { used_signing_key(tree, actx->pinfo, private_data, state.server_ek, pactvb, state.server_checksum, "Verified Server", "all_keys", wmem_map_size(kerberos_all_keys), state.server_count); } else { int keytype = keytype_for_cksumtype(state.server_checksum); missing_signing_key(tree, actx->pinfo, private_data, pactvb, state.server_checksum, keytype, "Missing Server", "all_keys", wmem_map_size(kerberos_all_keys), state.server_count); } wmem_map_foreach(kerberos_longterm_keys, verify_krb5_pac_try_kdc_key, &state); if (state.kdc_ek != NULL) { used_signing_key(tree, actx->pinfo, private_data, state.kdc_ek, pactvb, state.kdc_checksum, "Verified KDC", "longterm_keys", wmem_map_size(kerberos_longterm_keys), state.kdc_count); } else { int keytype = keytype_for_cksumtype(state.kdc_checksum); missing_signing_key(tree, actx->pinfo, private_data, pactvb, state.kdc_checksum, keytype, "Missing KDC", "longterm_keys", wmem_map_size(kerberos_longterm_keys), state.kdc_count); } if (state.ticket_checksum_type != 0) { verify_krb5_pac_ticket_checksum(tree, actx, pactvb, &state); } if (state.ticket_checksum_data != NULL) { krb5_free_data_contents(krb5_ctx, &ticket_checksum_data); } krb5_pac_free(krb5_ctx, state.pac); } #endif /* HAVE_KRB5_PAC_VERIFY */ #elif defined(HAVE_HEIMDAL_KERBEROS) static krb5_context krb5_ctx; USES_APPLE_DEPRECATED_API static void krb5_fast_key(asn1_ctx_t *actx _U_, proto_tree *tree _U_, tvbuff_t *tvb _U_, enc_key_t *ek1 _U_, const char *p1 _U_, enc_key_t *ek2 _U_, const char *p2 _U_, const char *origin _U_) { /* TODO: use krb5_crypto_fx_cf2() from Heimdal */ } void read_keytab_file(const char *filename) { krb5_keytab keytab; krb5_error_code ret; krb5_keytab_entry key; krb5_kt_cursor cursor; enc_key_t *new_key; static gboolean first_time=TRUE; if (filename == NULL || filename[0] == 0) { return; } if(first_time){ first_time=FALSE; ret = krb5_init_context(&krb5_ctx); if(ret){ return; } } /* should use a file in the wireshark users dir */ ret = krb5_kt_resolve(krb5_ctx, filename, &keytab); if(ret){ fprintf(stderr, "KERBEROS ERROR: Could not open keytab file :%s\n",filename); return; } ret = krb5_kt_start_seq_get(krb5_ctx, keytab, &cursor); if(ret){ fprintf(stderr, "KERBEROS ERROR: Could not read from keytab file :%s\n",filename); return; } do{ ret = krb5_kt_next_entry(krb5_ctx, keytab, &key, &cursor); if(ret==0){ unsigned int i; char *pos; new_key = wmem_new0(wmem_epan_scope(), enc_key_t); new_key->fd_num = -1; new_key->id = ++kerberos_longterm_ids; snprintf(new_key->id_str, KRB_MAX_ID_STR_LEN, "keytab.%u", new_key->id); new_key->next = enc_key_list; /* generate origin string, describing where this key came from */ pos=new_key->key_origin; pos+=MIN(KRB_MAX_ORIG_LEN, snprintf(pos, KRB_MAX_ORIG_LEN, "keytab principal ")); for(i=0;iname.name_string.len;i++){ pos+=MIN(KRB_MAX_ORIG_LEN-(pos-new_key->key_origin), snprintf(pos, KRB_MAX_ORIG_LEN-(pos-new_key->key_origin), "%s%s",(i?"/":""),key.principal->name.name_string.val[i])); } pos+=MIN(KRB_MAX_ORIG_LEN-(pos-new_key->key_origin), snprintf(pos, KRB_MAX_ORIG_LEN-(pos-new_key->key_origin), "@%s",key.principal->realm)); *pos=0; new_key->keytype=key.keyblock.keytype; new_key->keylength=(int)key.keyblock.keyvalue.length; memcpy(new_key->keyvalue, key.keyblock.keyvalue.data, MIN((guint)key.keyblock.keyvalue.length, KRB_MAX_KEY_LENGTH)); enc_key_list=new_key; ret = krb5_kt_free_entry(krb5_ctx, &key); if (ret) { fprintf(stderr, "KERBEROS ERROR: Could not release the entry: %d", ret); ret = 0; /* try to continue with the next entry */ } kerberos_key_map_insert(kerberos_longterm_keys, new_key); } }while(ret==0); ret = krb5_kt_end_seq_get(krb5_ctx, keytab, &cursor); if(ret){ fprintf(stderr, "KERBEROS ERROR: Could not release the keytab cursor: %d", ret); } ret = krb5_kt_close(krb5_ctx, keytab); if(ret){ fprintf(stderr, "KERBEROS ERROR: Could not close the key table handle: %d", ret); } } USES_APPLE_RST guint8 * decrypt_krb5_data(proto_tree *tree _U_, packet_info *pinfo, int usage, tvbuff_t *cryptotvb, int keytype, int *datalen) { kerberos_private_data_t *zero_private = kerberos_new_private_data(pinfo); krb5_error_code ret; krb5_data data; enc_key_t *ek; int length = tvb_captured_length(cryptotvb); const guint8 *cryptotext = tvb_get_ptr(cryptotvb, 0, length); /* don't do anything if we are not attempting to decrypt data */ if(!krb_decrypt){ return NULL; } /* make sure we have all the data we need */ if (tvb_captured_length(cryptotvb) < tvb_reported_length(cryptotvb)) { return NULL; } read_keytab_file_from_preferences(); for(ek=enc_key_list;ek;ek=ek->next){ krb5_keytab_entry key; krb5_crypto crypto; guint8 *cryptocopy; /* workaround for pre-0.6.1 heimdal bug */ /* shortcircuit and bail out if enctypes are not matching */ if((keytype != -1) && (ek->keytype != keytype)) { continue; } key.keyblock.keytype=ek->keytype; key.keyblock.keyvalue.length=ek->keylength; key.keyblock.keyvalue.data=ek->keyvalue; ret = krb5_crypto_init(krb5_ctx, &(key.keyblock), (krb5_enctype)ENCTYPE_NULL, &crypto); if(ret){ return NULL; } /* pre-0.6.1 versions of Heimdal would sometimes change the cryptotext data even when the decryption failed. This would obviously not work since we iterate over the keys. So just give it a copy of the crypto data instead. This has been seen for RC4-HMAC blobs. */ cryptocopy = (guint8 *)wmem_memdup(pinfo->pool, cryptotext, length); ret = krb5_decrypt_ivec(krb5_ctx, crypto, usage, cryptocopy, length, &data, NULL); if((ret == 0) && (length>0)){ char *user_data; used_encryption_key(tree, pinfo, zero_private, ek, usage, cryptotvb, "enc_key_list", 0, 0); krb5_crypto_destroy(krb5_ctx, crypto); /* return a private wmem_alloced blob to the caller */ user_data = (char *)wmem_memdup(pinfo->pool, data.data, (guint)data.length); if (datalen) { *datalen = (int)data.length; } return user_data; } krb5_crypto_destroy(krb5_ctx, crypto); } return NULL; } #define NEED_DECRYPT_KRB5_KRB_CFX_DCE_NOOP 1 #elif defined (HAVE_LIBNETTLE) #define SERVICE_KEY_SIZE (DES3_KEY_SIZE + 2) #define KEYTYPE_DES3_CBC_MD5 5 /* Currently the only one supported */ typedef struct _service_key_t { guint16 kvno; int keytype; int length; guint8 *contents; char origin[KRB_MAX_ORIG_LEN+1]; } service_key_t; GSList *service_key_list = NULL; static void add_encryption_key(packet_info *pinfo, int keytype, int keylength, const char *keyvalue, const char *origin) { service_key_t *new_key; if(pinfo->fd->visited){ return; } new_key = g_malloc(sizeof(service_key_t)); new_key->kvno = 0; new_key->keytype = keytype; new_key->length = keylength; new_key->contents = g_memdup2(keyvalue, keylength); snprintf(new_key->origin, KRB_MAX_ORIG_LEN, "%s learnt from frame %u", origin, pinfo->num); service_key_list = g_slist_append(service_key_list, (gpointer) new_key); } static void save_encryption_key(tvbuff_t *tvb _U_, int offset _U_, int length _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int parent_hf_index _U_, int hf_index _U_) { kerberos_private_data_t *private_data = kerberos_get_private_data(actx); const char *parent = proto_registrar_get_name(parent_hf_index); const char *element = proto_registrar_get_name(hf_index); char origin[KRB_MAX_ORIG_LEN] = { 0, }; snprintf(origin, KRB_MAX_ORIG_LEN, "%s_%s", parent, element); add_encryption_key(actx->pinfo, private_data->key.keytype, private_data->key.keylength, private_data->key.keyvalue, origin); } static void save_Authenticator_subkey(tvbuff_t *tvb, int offset, int length, asn1_ctx_t *actx, proto_tree *tree, int parent_hf_index, int hf_index) { save_encryption_key(tvb, offset, length, actx, tree, parent_hf_index, hf_index); } static void save_EncAPRepPart_subkey(tvbuff_t *tvb, int offset, int length, asn1_ctx_t *actx, proto_tree *tree, int parent_hf_index, int hf_index) { save_encryption_key(tvb, offset, length, actx, tree, parent_hf_index, hf_index); } static void save_EncKDCRepPart_key(tvbuff_t *tvb, int offset, int length, asn1_ctx_t *actx, proto_tree *tree, int parent_hf_index, int hf_index) { save_encryption_key(tvb, offset, length, actx, tree, parent_hf_index, hf_index); } static void save_EncTicketPart_key(tvbuff_t *tvb, int offset, int length, asn1_ctx_t *actx, proto_tree *tree, int parent_hf_index, int hf_index) { save_encryption_key(tvb, offset, length, actx, tree, parent_hf_index, hf_index); } static void save_KrbCredInfo_key(tvbuff_t *tvb, int offset, int length, asn1_ctx_t *actx, proto_tree *tree, int parent_hf_index, int hf_index) { save_encryption_key(tvb, offset, length, actx, tree, parent_hf_index, hf_index); } static void save_KrbFastResponse_strengthen_key(tvbuff_t *tvb _U_, int offset _U_, int length _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { save_encryption_key(tvb, offset, length, actx, tree, hf_index); } static void clear_keytab(void) { GSList *ske; service_key_t *sk; for(ske = service_key_list; ske != NULL; ske = g_slist_next(ske)){ sk = (service_key_t *) ske->data; if (sk) { g_free(sk->contents); g_free(sk); } } g_slist_free(service_key_list); service_key_list = NULL; } static void read_keytab_file(const char *service_key_file) { FILE *skf; ws_statb64 st; service_key_t *sk; unsigned char buf[SERVICE_KEY_SIZE]; int newline_skip = 0, count = 0; if (service_key_file != NULL && ws_stat64 (service_key_file, &st) == 0) { /* The service key file contains raw 192-bit (24 byte) 3DES keys. * There can be zero, one (\n), or two (\r\n) characters between * keys. Trailing characters are ignored. */ /* XXX We should support the standard keytab format instead */ if (st.st_size > SERVICE_KEY_SIZE) { if ( (st.st_size % (SERVICE_KEY_SIZE + 1) == 0) || (st.st_size % (SERVICE_KEY_SIZE + 1) == SERVICE_KEY_SIZE) ) { newline_skip = 1; } else if ( (st.st_size % (SERVICE_KEY_SIZE + 2) == 0) || (st.st_size % (SERVICE_KEY_SIZE + 2) == SERVICE_KEY_SIZE) ) { newline_skip = 2; } } skf = ws_fopen(service_key_file, "rb"); if (! skf) return; while (fread(buf, SERVICE_KEY_SIZE, 1, skf) == 1) { sk = g_malloc(sizeof(service_key_t)); sk->kvno = buf[0] << 8 | buf[1]; sk->keytype = KEYTYPE_DES3_CBC_MD5; sk->length = DES3_KEY_SIZE; sk->contents = g_memdup2(buf + 2, DES3_KEY_SIZE); snprintf(sk->origin, KRB_MAX_ORIG_LEN, "3DES service key file, key #%d, offset %ld", count, ftell(skf)); service_key_list = g_slist_append(service_key_list, (gpointer) sk); if (fseek(skf, newline_skip, SEEK_CUR) < 0) { fprintf(stderr, "unable to seek...\n"); fclose(skf); return; } count++; } fclose(skf); } } #define CONFOUNDER_PLUS_CHECKSUM 24 guint8 * decrypt_krb5_data(proto_tree *tree, packet_info *pinfo, int _U_ usage, tvbuff_t *cryptotvb, int keytype, int *datalen) { tvbuff_t *encr_tvb; guint8 *decrypted_data = NULL, *plaintext = NULL; guint8 cls; bool pc; guint32 tag, item_len, data_len; int id_offset, offset; guint8 key[DES3_KEY_SIZE]; guint8 initial_vector[DES_BLOCK_SIZE]; gcry_md_hd_t md5_handle; guint8 *digest; guint8 zero_fill[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; guint8 confounder[8]; bool ind; GSList *ske; service_key_t *sk; struct des3_ctx ctx; int length = tvb_captured_length(cryptotvb); const guint8 *cryptotext = tvb_get_ptr(cryptotvb, 0, length); /* don't do anything if we are not attempting to decrypt data */ if(!krb_decrypt){ return NULL; } /* make sure we have all the data we need */ if (tvb_captured_length(cryptotvb) < tvb_reported_length(cryptotvb)) { return NULL; } if (keytype != KEYTYPE_DES3_CBC_MD5 || service_key_list == NULL) { return NULL; } decrypted_data = wmem_alloc(pinfo->pool, length); for(ske = service_key_list; ske != NULL; ske = g_slist_next(ske)){ gboolean do_continue = FALSE; gboolean digest_ok; sk = (service_key_t *) ske->data; des_fix_parity(DES3_KEY_SIZE, key, sk->contents); memset(initial_vector, 0, DES_BLOCK_SIZE); des3_set_key(&ctx, key); cbc_decrypt(&ctx, des3_decrypt, DES_BLOCK_SIZE, initial_vector, length, decrypted_data, cryptotext); encr_tvb = tvb_new_real_data(decrypted_data, length, length); tvb_memcpy(encr_tvb, confounder, 0, 8); /* We have to pull the decrypted data length from the decrypted * content. If the key doesn't match or we otherwise get garbage, * an exception may get thrown while decoding the ASN.1 header. * Catch it, just in case. */ TRY { id_offset = get_ber_identifier(encr_tvb, CONFOUNDER_PLUS_CHECKSUM, &cls, &pc, &tag); offset = get_ber_length(encr_tvb, id_offset, &item_len, &ind); } CATCH_BOUNDS_ERRORS { tvb_free(encr_tvb); do_continue = TRUE; } ENDTRY; if (do_continue) continue; data_len = item_len + offset - CONFOUNDER_PLUS_CHECKSUM; if ((int) item_len + offset > length) { tvb_free(encr_tvb); continue; } if (gcry_md_open(&md5_handle, GCRY_MD_MD5, 0)) { return NULL; } gcry_md_write(md5_handle, confounder, 8); gcry_md_write(md5_handle, zero_fill, 16); gcry_md_write(md5_handle, decrypted_data + CONFOUNDER_PLUS_CHECKSUM, data_len); digest = gcry_md_read(md5_handle, 0); digest_ok = (tvb_memeql (encr_tvb, 8, digest, HASH_MD5_LENGTH) == 0); gcry_md_close(md5_handle); if (digest_ok) { plaintext = (guint8* )tvb_memdup(pinfo->pool, encr_tvb, CONFOUNDER_PLUS_CHECKSUM, data_len); tvb_free(encr_tvb); if (datalen) { *datalen = data_len; } return(plaintext); } tvb_free(encr_tvb); } return NULL; } #endif /* HAVE_MIT_KERBEROS / HAVE_HEIMDAL_KERBEROS / HAVE_LIBNETTLE */ #ifdef NEED_DECRYPT_KRB5_KRB_CFX_DCE_NOOP tvbuff_t * decrypt_krb5_krb_cfx_dce(proto_tree *tree _U_, packet_info *pinfo _U_, int usage _U_, int keytype _U_, tvbuff_t *gssapi_header_tvb _U_, tvbuff_t *gssapi_encrypted_tvb _U_, tvbuff_t *gssapi_trailer_tvb _U_, tvbuff_t *checksum_tvb _U_) { return NULL; } #endif /* NEED_DECRYPT_KRB5_KRB_CFX_DCE_NOOP */ #define INET6_ADDRLEN 16 /* TCP Record Mark */ #define KRB_RM_RESERVED 0x80000000U #define KRB_RM_RECLEN 0x7fffffffU #define KRB5_MSG_TICKET 1 /* Ticket */ #define KRB5_MSG_AUTHENTICATOR 2 /* Authenticator */ #define KRB5_MSG_ENC_TICKET_PART 3 /* EncTicketPart */ #define KRB5_MSG_AS_REQ 10 /* AS-REQ type */ #define KRB5_MSG_AS_REP 11 /* AS-REP type */ #define KRB5_MSG_TGS_REQ 12 /* TGS-REQ type */ #define KRB5_MSG_TGS_REP 13 /* TGS-REP type */ #define KRB5_MSG_AP_REQ 14 /* AP-REQ type */ #define KRB5_MSG_AP_REP 15 /* AP-REP type */ #define KRB5_MSG_TGT_REQ 16 /* TGT-REQ type */ #define KRB5_MSG_TGT_REP 17 /* TGT-REP type */ #define KRB5_MSG_SAFE 20 /* KRB-SAFE type */ #define KRB5_MSG_PRIV 21 /* KRB-PRIV type */ #define KRB5_MSG_CRED 22 /* KRB-CRED type */ #define KRB5_MSG_ENC_AS_REP_PART 25 /* EncASRepPart */ #define KRB5_MSG_ENC_TGS_REP_PART 26 /* EncTGSRepPart */ #define KRB5_MSG_ENC_AP_REP_PART 27 /* EncAPRepPart */ #define KRB5_MSG_ENC_KRB_PRIV_PART 28 /* EncKrbPrivPart */ #define KRB5_MSG_ENC_KRB_CRED_PART 29 /* EncKrbCredPart */ #define KRB5_MSG_ERROR 30 /* KRB-ERROR type */ #define KRB5_CHKSUM_GSSAPI 0x8003 /* * For KERB_ENCTYPE_RC4_HMAC and KERB_ENCTYPE_RC4_HMAC_EXP, see * * https://tools.ietf.org/html/draft-brezak-win2k-krb-rc4-hmac-04 * * unless it's expired. */ /* Principal name-type */ #define KRB5_NT_UNKNOWN 0 #define KRB5_NT_PRINCIPAL 1 #define KRB5_NT_SRV_INST 2 #define KRB5_NT_SRV_HST 3 #define KRB5_NT_SRV_XHST 4 #define KRB5_NT_UID 5 #define KRB5_NT_X500_PRINCIPAL 6 #define KRB5_NT_SMTP_NAME 7 #define KRB5_NT_ENTERPRISE 10 /* * MS specific name types, from * * http://msdn.microsoft.com/library/en-us/security/security/kerb_external_name.asp */ #define KRB5_NT_MS_PRINCIPAL -128 #define KRB5_NT_MS_PRINCIPAL_AND_SID -129 #define KRB5_NT_ENT_PRINCIPAL_AND_SID -130 #define KRB5_NT_PRINCIPAL_AND_SID -131 #define KRB5_NT_SRV_INST_AND_SID -132 /* error table constants */ /* I prefixed the krb5_err.et constant names with KRB5_ET_ for these */ #define KRB5_ET_KRB5KDC_ERR_NONE 0 #define KRB5_ET_KRB5KDC_ERR_NAME_EXP 1 #define KRB5_ET_KRB5KDC_ERR_SERVICE_EXP 2 #define KRB5_ET_KRB5KDC_ERR_BAD_PVNO 3 #define KRB5_ET_KRB5KDC_ERR_C_OLD_MAST_KVNO 4 #define KRB5_ET_KRB5KDC_ERR_S_OLD_MAST_KVNO 5 #define KRB5_ET_KRB5KDC_ERR_C_PRINCIPAL_UNKNOWN 6 #define KRB5_ET_KRB5KDC_ERR_S_PRINCIPAL_UNKNOWN 7 #define KRB5_ET_KRB5KDC_ERR_PRINCIPAL_NOT_UNIQUE 8 #define KRB5_ET_KRB5KDC_ERR_NULL_KEY 9 #define KRB5_ET_KRB5KDC_ERR_CANNOT_POSTDATE 10 #define KRB5_ET_KRB5KDC_ERR_NEVER_VALID 11 #define KRB5_ET_KRB5KDC_ERR_POLICY 12 #define KRB5_ET_KRB5KDC_ERR_BADOPTION 13 #define KRB5_ET_KRB5KDC_ERR_ETYPE_NOSUPP 14 #define KRB5_ET_KRB5KDC_ERR_SUMTYPE_NOSUPP 15 #define KRB5_ET_KRB5KDC_ERR_PADATA_TYPE_NOSUPP 16 #define KRB5_ET_KRB5KDC_ERR_TRTYPE_NOSUPP 17 #define KRB5_ET_KRB5KDC_ERR_CLIENT_REVOKED 18 #define KRB5_ET_KRB5KDC_ERR_SERVICE_REVOKED 19 #define KRB5_ET_KRB5KDC_ERR_TGT_REVOKED 20 #define KRB5_ET_KRB5KDC_ERR_CLIENT_NOTYET 21 #define KRB5_ET_KRB5KDC_ERR_SERVICE_NOTYET 22 #define KRB5_ET_KRB5KDC_ERR_KEY_EXP 23 #define KRB5_ET_KRB5KDC_ERR_PREAUTH_FAILED 24 #define KRB5_ET_KRB5KDC_ERR_PREAUTH_REQUIRED 25 #define KRB5_ET_KRB5KDC_ERR_SERVER_NOMATCH 26 #define KRB5_ET_KRB5KDC_ERR_MUST_USE_USER2USER 27 #define KRB5_ET_KRB5KDC_ERR_PATH_NOT_ACCEPTED 28 #define KRB5_ET_KRB5KDC_ERR_SVC_UNAVAILABLE 29 #define KRB5_ET_KRB5KRB_AP_ERR_BAD_INTEGRITY 31 #define KRB5_ET_KRB5KRB_AP_ERR_TKT_EXPIRED 32 #define KRB5_ET_KRB5KRB_AP_ERR_TKT_NYV 33 #define KRB5_ET_KRB5KRB_AP_ERR_REPEAT 34 #define KRB5_ET_KRB5KRB_AP_ERR_NOT_US 35 #define KRB5_ET_KRB5KRB_AP_ERR_BADMATCH 36 #define KRB5_ET_KRB5KRB_AP_ERR_SKEW 37 #define KRB5_ET_KRB5KRB_AP_ERR_BADADDR 38 #define KRB5_ET_KRB5KRB_AP_ERR_BADVERSION 39 #define KRB5_ET_KRB5KRB_AP_ERR_MSG_TYPE 40 #define KRB5_ET_KRB5KRB_AP_ERR_MODIFIED 41 #define KRB5_ET_KRB5KRB_AP_ERR_BADORDER 42 #define KRB5_ET_KRB5KRB_AP_ERR_ILL_CR_TKT 43 #define KRB5_ET_KRB5KRB_AP_ERR_BADKEYVER 44 #define KRB5_ET_KRB5KRB_AP_ERR_NOKEY 45 #define KRB5_ET_KRB5KRB_AP_ERR_MUT_FAIL 46 #define KRB5_ET_KRB5KRB_AP_ERR_BADDIRECTION 47 #define KRB5_ET_KRB5KRB_AP_ERR_METHOD 48 #define KRB5_ET_KRB5KRB_AP_ERR_BADSEQ 49 #define KRB5_ET_KRB5KRB_AP_ERR_INAPP_CKSUM 50 #define KRB5_ET_KRB5KDC_AP_PATH_NOT_ACCEPTED 51 #define KRB5_ET_KRB5KRB_ERR_RESPONSE_TOO_BIG 52 #define KRB5_ET_KRB5KRB_ERR_GENERIC 60 #define KRB5_ET_KRB5KRB_ERR_FIELD_TOOLONG 61 #define KRB5_ET_KDC_ERROR_CLIENT_NOT_TRUSTED 62 #define KRB5_ET_KDC_ERROR_KDC_NOT_TRUSTED 63 #define KRB5_ET_KDC_ERROR_INVALID_SIG 64 #define KRB5_ET_KDC_ERR_KEY_TOO_WEAK 65 #define KRB5_ET_KDC_ERR_CERTIFICATE_MISMATCH 66 #define KRB5_ET_KRB_AP_ERR_NO_TGT 67 #define KRB5_ET_KDC_ERR_WRONG_REALM 68 #define KRB5_ET_KRB_AP_ERR_USER_TO_USER_REQUIRED 69 #define KRB5_ET_KDC_ERR_CANT_VERIFY_CERTIFICATE 70 #define KRB5_ET_KDC_ERR_INVALID_CERTIFICATE 71 #define KRB5_ET_KDC_ERR_REVOKED_CERTIFICATE 72 #define KRB5_ET_KDC_ERR_REVOCATION_STATUS_UNKNOWN 73 #define KRB5_ET_KDC_ERR_REVOCATION_STATUS_UNAVAILABLE 74 #define KRB5_ET_KDC_ERR_CLIENT_NAME_MISMATCH 75 #define KRB5_ET_KDC_ERR_KDC_NAME_MISMATCH 76 #define KRB5_ET_KDC_ERR_PREAUTH_EXPIRED 90 #define KRB5_ET_KDC_ERR_MORE_PREAUTH_DATA_REQUIRED 91 #define KRB5_ET_KDC_ERR_PREAUTH_BAD_AUTHENTICATION_SET 92 #define KRB5_ET_KDC_ERR_UNKNOWN_CRITICAL_FAST_OPTIONS 93 static const value_string krb5_error_codes[] = { { KRB5_ET_KRB5KDC_ERR_NONE, "KRB5KDC_ERR_NONE" }, { KRB5_ET_KRB5KDC_ERR_NAME_EXP, "KRB5KDC_ERR_NAME_EXP" }, { KRB5_ET_KRB5KDC_ERR_SERVICE_EXP, "KRB5KDC_ERR_SERVICE_EXP" }, { KRB5_ET_KRB5KDC_ERR_BAD_PVNO, "KRB5KDC_ERR_BAD_PVNO" }, { KRB5_ET_KRB5KDC_ERR_C_OLD_MAST_KVNO, "KRB5KDC_ERR_C_OLD_MAST_KVNO" }, { KRB5_ET_KRB5KDC_ERR_S_OLD_MAST_KVNO, "KRB5KDC_ERR_S_OLD_MAST_KVNO" }, { KRB5_ET_KRB5KDC_ERR_C_PRINCIPAL_UNKNOWN, "KRB5KDC_ERR_C_PRINCIPAL_UNKNOWN" }, { KRB5_ET_KRB5KDC_ERR_S_PRINCIPAL_UNKNOWN, "KRB5KDC_ERR_S_PRINCIPAL_UNKNOWN" }, { KRB5_ET_KRB5KDC_ERR_PRINCIPAL_NOT_UNIQUE, "KRB5KDC_ERR_PRINCIPAL_NOT_UNIQUE" }, { KRB5_ET_KRB5KDC_ERR_NULL_KEY, "KRB5KDC_ERR_NULL_KEY" }, { KRB5_ET_KRB5KDC_ERR_CANNOT_POSTDATE, "KRB5KDC_ERR_CANNOT_POSTDATE" }, { KRB5_ET_KRB5KDC_ERR_NEVER_VALID, "KRB5KDC_ERR_NEVER_VALID" }, { KRB5_ET_KRB5KDC_ERR_POLICY, "KRB5KDC_ERR_POLICY" }, { KRB5_ET_KRB5KDC_ERR_BADOPTION, "KRB5KDC_ERR_BADOPTION" }, { KRB5_ET_KRB5KDC_ERR_ETYPE_NOSUPP, "KRB5KDC_ERR_ETYPE_NOSUPP" }, { KRB5_ET_KRB5KDC_ERR_SUMTYPE_NOSUPP, "KRB5KDC_ERR_SUMTYPE_NOSUPP" }, { KRB5_ET_KRB5KDC_ERR_PADATA_TYPE_NOSUPP, "KRB5KDC_ERR_PADATA_TYPE_NOSUPP" }, { KRB5_ET_KRB5KDC_ERR_TRTYPE_NOSUPP, "KRB5KDC_ERR_TRTYPE_NOSUPP" }, { KRB5_ET_KRB5KDC_ERR_CLIENT_REVOKED, "KRB5KDC_ERR_CLIENT_REVOKED" }, { KRB5_ET_KRB5KDC_ERR_SERVICE_REVOKED, "KRB5KDC_ERR_SERVICE_REVOKED" }, { KRB5_ET_KRB5KDC_ERR_TGT_REVOKED, "KRB5KDC_ERR_TGT_REVOKED" }, { KRB5_ET_KRB5KDC_ERR_CLIENT_NOTYET, "KRB5KDC_ERR_CLIENT_NOTYET" }, { KRB5_ET_KRB5KDC_ERR_SERVICE_NOTYET, "KRB5KDC_ERR_SERVICE_NOTYET" }, { KRB5_ET_KRB5KDC_ERR_KEY_EXP, "KRB5KDC_ERR_KEY_EXP" }, { KRB5_ET_KRB5KDC_ERR_PREAUTH_FAILED, "KRB5KDC_ERR_PREAUTH_FAILED" }, { KRB5_ET_KRB5KDC_ERR_PREAUTH_REQUIRED, "KRB5KDC_ERR_PREAUTH_REQUIRED" }, { KRB5_ET_KRB5KDC_ERR_SERVER_NOMATCH, "KRB5KDC_ERR_SERVER_NOMATCH" }, { KRB5_ET_KRB5KDC_ERR_MUST_USE_USER2USER, "KRB5KDC_ERR_MUST_USE_USER2USER" }, { KRB5_ET_KRB5KDC_ERR_PATH_NOT_ACCEPTED, "KRB5KDC_ERR_PATH_NOT_ACCEPTED" }, { KRB5_ET_KRB5KDC_ERR_SVC_UNAVAILABLE, "KRB5KDC_ERR_SVC_UNAVAILABLE" }, { KRB5_ET_KRB5KRB_AP_ERR_BAD_INTEGRITY, "KRB5KRB_AP_ERR_BAD_INTEGRITY" }, { KRB5_ET_KRB5KRB_AP_ERR_TKT_EXPIRED, "KRB5KRB_AP_ERR_TKT_EXPIRED" }, { KRB5_ET_KRB5KRB_AP_ERR_TKT_NYV, "KRB5KRB_AP_ERR_TKT_NYV" }, { KRB5_ET_KRB5KRB_AP_ERR_REPEAT, "KRB5KRB_AP_ERR_REPEAT" }, { KRB5_ET_KRB5KRB_AP_ERR_NOT_US, "KRB5KRB_AP_ERR_NOT_US" }, { KRB5_ET_KRB5KRB_AP_ERR_BADMATCH, "KRB5KRB_AP_ERR_BADMATCH" }, { KRB5_ET_KRB5KRB_AP_ERR_SKEW, "KRB5KRB_AP_ERR_SKEW" }, { KRB5_ET_KRB5KRB_AP_ERR_BADADDR, "KRB5KRB_AP_ERR_BADADDR" }, { KRB5_ET_KRB5KRB_AP_ERR_BADVERSION, "KRB5KRB_AP_ERR_BADVERSION" }, { KRB5_ET_KRB5KRB_AP_ERR_MSG_TYPE, "KRB5KRB_AP_ERR_MSG_TYPE" }, { KRB5_ET_KRB5KRB_AP_ERR_MODIFIED, "KRB5KRB_AP_ERR_MODIFIED" }, { KRB5_ET_KRB5KRB_AP_ERR_BADORDER, "KRB5KRB_AP_ERR_BADORDER" }, { KRB5_ET_KRB5KRB_AP_ERR_ILL_CR_TKT, "KRB5KRB_AP_ERR_ILL_CR_TKT" }, { KRB5_ET_KRB5KRB_AP_ERR_BADKEYVER, "KRB5KRB_AP_ERR_BADKEYVER" }, { KRB5_ET_KRB5KRB_AP_ERR_NOKEY, "KRB5KRB_AP_ERR_NOKEY" }, { KRB5_ET_KRB5KRB_AP_ERR_MUT_FAIL, "KRB5KRB_AP_ERR_MUT_FAIL" }, { KRB5_ET_KRB5KRB_AP_ERR_BADDIRECTION, "KRB5KRB_AP_ERR_BADDIRECTION" }, { KRB5_ET_KRB5KRB_AP_ERR_METHOD, "KRB5KRB_AP_ERR_METHOD" }, { KRB5_ET_KRB5KRB_AP_ERR_BADSEQ, "KRB5KRB_AP_ERR_BADSEQ" }, { KRB5_ET_KRB5KRB_AP_ERR_INAPP_CKSUM, "KRB5KRB_AP_ERR_INAPP_CKSUM" }, { KRB5_ET_KRB5KDC_AP_PATH_NOT_ACCEPTED, "KRB5KDC_AP_PATH_NOT_ACCEPTED" }, { KRB5_ET_KRB5KRB_ERR_RESPONSE_TOO_BIG, "KRB5KRB_ERR_RESPONSE_TOO_BIG"}, { KRB5_ET_KRB5KRB_ERR_GENERIC, "KRB5KRB_ERR_GENERIC" }, { KRB5_ET_KRB5KRB_ERR_FIELD_TOOLONG, "KRB5KRB_ERR_FIELD_TOOLONG" }, { KRB5_ET_KDC_ERROR_CLIENT_NOT_TRUSTED, "KDC_ERROR_CLIENT_NOT_TRUSTED" }, { KRB5_ET_KDC_ERROR_KDC_NOT_TRUSTED, "KDC_ERROR_KDC_NOT_TRUSTED" }, { KRB5_ET_KDC_ERROR_INVALID_SIG, "KDC_ERROR_INVALID_SIG" }, { KRB5_ET_KDC_ERR_KEY_TOO_WEAK, "KDC_ERR_KEY_TOO_WEAK" }, { KRB5_ET_KDC_ERR_CERTIFICATE_MISMATCH, "KDC_ERR_CERTIFICATE_MISMATCH" }, { KRB5_ET_KRB_AP_ERR_NO_TGT, "KRB_AP_ERR_NO_TGT" }, { KRB5_ET_KDC_ERR_WRONG_REALM, "KDC_ERR_WRONG_REALM" }, { KRB5_ET_KRB_AP_ERR_USER_TO_USER_REQUIRED, "KRB_AP_ERR_USER_TO_USER_REQUIRED" }, { KRB5_ET_KDC_ERR_CANT_VERIFY_CERTIFICATE, "KDC_ERR_CANT_VERIFY_CERTIFICATE" }, { KRB5_ET_KDC_ERR_INVALID_CERTIFICATE, "KDC_ERR_INVALID_CERTIFICATE" }, { KRB5_ET_KDC_ERR_REVOKED_CERTIFICATE, "KDC_ERR_REVOKED_CERTIFICATE" }, { KRB5_ET_KDC_ERR_REVOCATION_STATUS_UNKNOWN, "KDC_ERR_REVOCATION_STATUS_UNKNOWN" }, { KRB5_ET_KDC_ERR_REVOCATION_STATUS_UNAVAILABLE, "KDC_ERR_REVOCATION_STATUS_UNAVAILABLE" }, { KRB5_ET_KDC_ERR_CLIENT_NAME_MISMATCH, "KDC_ERR_CLIENT_NAME_MISMATCH" }, { KRB5_ET_KDC_ERR_KDC_NAME_MISMATCH, "KDC_ERR_KDC_NAME_MISMATCH" }, { KRB5_ET_KDC_ERR_PREAUTH_EXPIRED, "KDC_ERR_PREAUTH_EXPIRED" }, { KRB5_ET_KDC_ERR_MORE_PREAUTH_DATA_REQUIRED, "KDC_ERR_MORE_PREAUTH_DATA_REQUIRED" }, { KRB5_ET_KDC_ERR_PREAUTH_BAD_AUTHENTICATION_SET, "KDC_ERR_PREAUTH_BAD_AUTHENTICATION_SET" }, { KRB5_ET_KDC_ERR_UNKNOWN_CRITICAL_FAST_OPTIONS, "KDC_ERR_UNKNOWN_CRITICAL_FAST_OPTIONS" }, { 0, NULL } }; #define PAC_LOGON_INFO 1 #define PAC_CREDENTIAL_TYPE 2 #define PAC_SERVER_CHECKSUM 6 #define PAC_PRIVSVR_CHECKSUM 7 #define PAC_CLIENT_INFO_TYPE 10 #define PAC_S4U_DELEGATION_INFO 11 #define PAC_UPN_DNS_INFO 12 #define PAC_CLIENT_CLAIMS_INFO 13 #define PAC_DEVICE_INFO 14 #define PAC_DEVICE_CLAIMS_INFO 15 #define PAC_TICKET_CHECKSUM 16 #define PAC_ATTRIBUTES_INFO 17 #define PAC_REQUESTER_SID 18 static const value_string w2k_pac_types[] = { { PAC_LOGON_INFO , "Logon Info" }, { PAC_CREDENTIAL_TYPE , "Credential Type" }, { PAC_SERVER_CHECKSUM , "Server Checksum" }, { PAC_PRIVSVR_CHECKSUM , "Privsvr Checksum" }, { PAC_CLIENT_INFO_TYPE , "Client Info Type" }, { PAC_S4U_DELEGATION_INFO , "S4U Delegation Info" }, { PAC_UPN_DNS_INFO , "UPN DNS Info" }, { PAC_CLIENT_CLAIMS_INFO , "Client Claims Info" }, { PAC_DEVICE_INFO , "Device Info" }, { PAC_DEVICE_CLAIMS_INFO , "Device Claims Info" }, { PAC_TICKET_CHECKSUM , "Ticket Checksum" }, { PAC_ATTRIBUTES_INFO , "Attributes Info" }, { PAC_REQUESTER_SID , "Requester Sid" }, { 0, NULL }, }; static const value_string krb5_msg_types[] = { { KRB5_MSG_TICKET, "Ticket" }, { KRB5_MSG_AUTHENTICATOR, "Authenticator" }, { KRB5_MSG_ENC_TICKET_PART, "EncTicketPart" }, { KRB5_MSG_TGS_REQ, "TGS-REQ" }, { KRB5_MSG_TGS_REP, "TGS-REP" }, { KRB5_MSG_AS_REQ, "AS-REQ" }, { KRB5_MSG_AS_REP, "AS-REP" }, { KRB5_MSG_AP_REQ, "AP-REQ" }, { KRB5_MSG_AP_REP, "AP-REP" }, { KRB5_MSG_TGT_REQ, "TGT-REQ" }, { KRB5_MSG_TGT_REP, "TGT-REP" }, { KRB5_MSG_SAFE, "KRB-SAFE" }, { KRB5_MSG_PRIV, "KRB-PRIV" }, { KRB5_MSG_CRED, "KRB-CRED" }, { KRB5_MSG_ENC_AS_REP_PART, "EncASRepPart" }, { KRB5_MSG_ENC_TGS_REP_PART, "EncTGSRepPart" }, { KRB5_MSG_ENC_AP_REP_PART, "EncAPRepPart" }, { KRB5_MSG_ENC_KRB_PRIV_PART, "EncKrbPrivPart" }, { KRB5_MSG_ENC_KRB_CRED_PART, "EncKrbCredPart" }, { KRB5_MSG_ERROR, "KRB-ERROR" }, { 0, NULL }, }; #define KRB5_GSS_C_DELEG_FLAG 0x01 #define KRB5_GSS_C_MUTUAL_FLAG 0x02 #define KRB5_GSS_C_REPLAY_FLAG 0x04 #define KRB5_GSS_C_SEQUENCE_FLAG 0x08 #define KRB5_GSS_C_CONF_FLAG 0x10 #define KRB5_GSS_C_INTEG_FLAG 0x20 #define KRB5_GSS_C_DCE_STYLE 0x1000 static const true_false_string tfs_gss_flags_deleg = { "Delegate credentials to remote peer", "Do NOT delegate" }; static const true_false_string tfs_gss_flags_mutual = { "Request that remote peer authenticates itself", "Mutual authentication NOT required" }; static const true_false_string tfs_gss_flags_replay = { "Enable replay protection for signed or sealed messages", "Do NOT enable replay protection" }; static const true_false_string tfs_gss_flags_sequence = { "Enable Out-of-sequence detection for sign or sealed messages", "Do NOT enable out-of-sequence detection" }; static const true_false_string tfs_gss_flags_conf = { "Confidentiality (sealing) may be invoked", "Do NOT use Confidentiality (sealing)" }; static const true_false_string tfs_gss_flags_integ = { "Integrity protection (signing) may be invoked", "Do NOT use integrity protection" }; static const true_false_string tfs_gss_flags_dce_style = { "DCE-STYLE", "Not using DCE-STYLE" }; #ifdef HAVE_KERBEROS static guint8 * decrypt_krb5_data_asn1(proto_tree *tree, asn1_ctx_t *actx, int usage, tvbuff_t *cryptotvb, int *datalen) { kerberos_private_data_t *private_data = kerberos_get_private_data(actx); #ifdef HAVE_DECRYPT_KRB5_DATA_PRIVATE return decrypt_krb5_data_private(tree, actx->pinfo, private_data, usage, cryptotvb, private_data->etype, datalen); #else return decrypt_krb5_data(tree, actx->pinfo, usage, cryptotvb, private_data->etype, datalen); #endif } static int dissect_krb5_decrypt_ticket_data (bool imp_tag _U_, tvbuff_t *tvb, int offset, asn1_ctx_t *actx, proto_tree *tree, int hf_index _U_) { guint8 *plaintext; int length; tvbuff_t *next_tvb; next_tvb=tvb_new_subset_remaining(tvb, offset); length=tvb_captured_length_remaining(tvb, offset); /* draft-ietf-krb-wg-kerberos-clarifications-05.txt : * 7.5.1 * All Ticket encrypted parts use usage == 2 */ plaintext=decrypt_krb5_data_asn1(tree, actx, 2, next_tvb, &length); if(plaintext){ kerberos_private_data_t *private_data = kerberos_get_private_data(actx); tvbuff_t *last_ticket_enc_part_tvb = private_data->last_ticket_enc_part_tvb; tvbuff_t *child_tvb; child_tvb = tvb_new_child_real_data(tvb, plaintext, length, length); /* Add the decrypted data to the data source list. */ add_new_data_source(actx->pinfo, child_tvb, "Krb5 Ticket"); private_data->last_ticket_enc_part_tvb = child_tvb; offset=dissect_kerberos_Applications(FALSE, child_tvb, 0, actx , tree, /* hf_index*/ -1); private_data->last_ticket_enc_part_tvb = last_ticket_enc_part_tvb; } return offset; } static int dissect_krb5_decrypt_authenticator_data (bool imp_tag _U_, tvbuff_t *tvb, int offset, asn1_ctx_t *actx, proto_tree *tree, int hf_index _U_) { kerberos_private_data_t *private_data = kerberos_get_private_data(actx); guint8 *plaintext; int length; tvbuff_t *next_tvb; next_tvb=tvb_new_subset_remaining(tvb, offset); length=tvb_captured_length_remaining(tvb, offset); /* draft-ietf-krb-wg-kerberos-clarifications-05.txt : * 7.5.1 * Authenticators are encrypted with usage * == 7 or * == 11 * * 7. TGS-REQ PA-TGS-REQ padata AP-REQ Authenticator * (includes TGS authenticator subkey), encrypted with the * TGS session key (section 5.5.1) * 11. AP-REQ Authenticator (includes application * authenticator subkey), encrypted with the application * session key (section 5.5.1) */ if (private_data->within_PA_TGS_REQ > 0) { plaintext=decrypt_krb5_data_asn1(tree, actx, 7, next_tvb, &length); } else { plaintext=decrypt_krb5_data_asn1(tree, actx, 11, next_tvb, &length); } if(plaintext){ tvbuff_t *child_tvb; child_tvb = tvb_new_child_real_data(tvb, plaintext, length, length); /* Add the decrypted data to the data source list. */ add_new_data_source(actx->pinfo, child_tvb, "Krb5 Authenticator"); offset=dissect_kerberos_Applications(FALSE, child_tvb, 0, actx , tree, /* hf_index*/ -1); } return offset; } static int dissect_krb5_decrypt_authorization_data(bool imp_tag _U_, tvbuff_t *tvb, int offset, asn1_ctx_t *actx, proto_tree *tree, int hf_index _U_) { kerberos_private_data_t *private_data = kerberos_get_private_data(actx); guint8 *plaintext; int length; tvbuff_t *next_tvb; next_tvb=tvb_new_subset_remaining(tvb, offset); length=tvb_captured_length_remaining(tvb, offset); /* draft-ietf-krb-wg-kerberos-clarifications-05.txt : * 7.5.1 * Authenticators are encrypted with usage * == 5 or * == 4 * * 4. TGS-REQ KDC-REQ-BODY AuthorizationData, encrypted with * the TGS session key (section 5.4.1) * 5. TGS-REQ KDC-REQ-BODY AuthorizationData, encrypted with * the TGS authenticator subkey (section 5.4.1) */ if (private_data->PA_TGS_REQ_subkey != NULL) { plaintext=decrypt_krb5_data_asn1(tree, actx, 5, next_tvb, &length); } else { plaintext=decrypt_krb5_data_asn1(tree, actx, 4, next_tvb, &length); } if(plaintext){ tvbuff_t *child_tvb; child_tvb = tvb_new_child_real_data(tvb, plaintext, length, length); /* Add the decrypted data to the data source list. */ add_new_data_source(actx->pinfo, child_tvb, "Krb5 AuthorizationData"); offset=dissect_kerberos_AuthorizationData(FALSE, child_tvb, 0, actx , tree, /* hf_index*/ -1); } return offset; } static int dissect_krb5_decrypt_KDC_REP_data (bool imp_tag _U_, tvbuff_t *tvb, int offset, asn1_ctx_t *actx, proto_tree *tree, int hf_index _U_) { kerberos_private_data_t *private_data = kerberos_get_private_data(actx); guint8 *plaintext = NULL; int length; tvbuff_t *next_tvb; next_tvb=tvb_new_subset_remaining(tvb, offset); length=tvb_captured_length_remaining(tvb, offset); /* draft-ietf-krb-wg-kerberos-clarifications-05.txt : * 7.5.1 * ASREP/TGSREP encryptedparts are encrypted with usage * == 3 or * == 8 or * == 9 * * 3. AS-REP encrypted part (includes TGS session key or * application session key), encrypted with the client key * (section 5.4.2) * * 8. TGS-REP encrypted part (includes application session * key), encrypted with the TGS session key (section * 5.4.2) * 9. TGS-REP encrypted part (includes application session * key), encrypted with the TGS authenticator subkey * (section 5.4.2) * * We currently don't have a way to find the TGS-REQ state * in order to check if an authenticator subkey was used. * * But if we client used FAST and we got a strengthen_key, * we're sure an authenticator subkey was used. * * Windows don't use an authenticator subkey without FAST, * but heimdal does. * * For now try 8 before 9 in order to avoid overhead and false * positives for the 'kerberos.missing_keytype' filter in pure * windows captures. */ switch (private_data->msg_type) { case KERBEROS_APPLICATIONS_AS_REP: plaintext=decrypt_krb5_data_asn1(tree, actx, 3, next_tvb, &length); break; case KERBEROS_APPLICATIONS_TGS_REP: if (private_data->fast_strengthen_key != NULL) { plaintext=decrypt_krb5_data_asn1(tree, actx, 9, next_tvb, &length); } else { plaintext=decrypt_krb5_data_asn1(tree, actx, 8, next_tvb, &length); if(!plaintext){ plaintext=decrypt_krb5_data_asn1(tree, actx, 9, next_tvb, &length); } } break; } if(plaintext){ tvbuff_t *child_tvb; child_tvb = tvb_new_child_real_data(tvb, plaintext, length, length); /* Add the decrypted data to the data source list. */ add_new_data_source(actx->pinfo, child_tvb, "Krb5 KDC-REP"); offset=dissect_kerberos_Applications(FALSE, child_tvb, 0, actx , tree, /* hf_index*/ -1); } return offset; } static int dissect_krb5_decrypt_PA_ENC_TIMESTAMP (bool imp_tag _U_, tvbuff_t *tvb, int offset, asn1_ctx_t *actx, proto_tree *tree, int hf_index _U_) { guint8 *plaintext; int length; tvbuff_t *next_tvb; next_tvb=tvb_new_subset_remaining(tvb, offset); length=tvb_captured_length_remaining(tvb, offset); /* draft-ietf-krb-wg-kerberos-clarifications-05.txt : * 7.5.1 * AS-REQ PA_ENC_TIMESTAMP are encrypted with usage * == 1 */ plaintext=decrypt_krb5_data_asn1(tree, actx, 1, next_tvb, &length); if(plaintext){ tvbuff_t *child_tvb; child_tvb = tvb_new_child_real_data(tvb, plaintext, length, length); /* Add the decrypted data to the data source list. */ add_new_data_source(actx->pinfo, child_tvb, "Krb5 EncTimestamp"); offset=dissect_kerberos_PA_ENC_TS_ENC(FALSE, child_tvb, 0, actx , tree, /* hf_index*/ -1); } return offset; } static int dissect_krb5_decrypt_AP_REP_data (bool imp_tag _U_, tvbuff_t *tvb, int offset, asn1_ctx_t *actx, proto_tree *tree, int hf_index _U_) { guint8 *plaintext; int length; tvbuff_t *next_tvb; next_tvb=tvb_new_subset_remaining(tvb, offset); length=tvb_captured_length_remaining(tvb, offset); /* draft-ietf-krb-wg-kerberos-clarifications-05.txt : * 7.5.1 * AP-REP are encrypted with usage == 12 */ plaintext=decrypt_krb5_data_asn1(tree, actx, 12, next_tvb, &length); if(plaintext){ tvbuff_t *child_tvb; child_tvb = tvb_new_child_real_data(tvb, plaintext, length, length); /* Add the decrypted data to the data source list. */ add_new_data_source(actx->pinfo, child_tvb, "Krb5 AP-REP"); offset=dissect_kerberos_Applications(FALSE, child_tvb, 0, actx , tree, /* hf_index*/ -1); } return offset; } static int dissect_krb5_decrypt_PRIV_data (bool imp_tag _U_, tvbuff_t *tvb, int offset, asn1_ctx_t *actx, proto_tree *tree, int hf_index _U_) { guint8 *plaintext; int length; tvbuff_t *next_tvb; next_tvb=tvb_new_subset_remaining(tvb, offset); length=tvb_captured_length_remaining(tvb, offset); /* RFC4120 : * EncKrbPrivPart encrypted with usage * == 13 */ plaintext=decrypt_krb5_data_asn1(tree, actx, 13, next_tvb, &length); if(plaintext){ tvbuff_t *child_tvb; child_tvb = tvb_new_child_real_data(tvb, plaintext, length, length); /* Add the decrypted data to the data source list. */ add_new_data_source(actx->pinfo, child_tvb, "Krb5 PRIV"); offset=dissect_kerberos_Applications(FALSE, child_tvb, 0, actx , tree, /* hf_index*/ -1); } return offset; } static int dissect_krb5_decrypt_CRED_data (bool imp_tag _U_, tvbuff_t *tvb, int offset, asn1_ctx_t *actx, proto_tree *tree, int hf_index _U_) { kerberos_private_data_t *private_data = kerberos_get_private_data(actx); guint8 *plaintext; int length; tvbuff_t *next_tvb; next_tvb=tvb_new_subset_remaining(tvb, offset); length=tvb_captured_length_remaining(tvb, offset); if (private_data->etype == 0) { offset=dissect_kerberos_Applications(FALSE, next_tvb, 0, actx , tree, /* hf_index*/ -1); return offset; } /* RFC4120 : * EncKrbCredPart encrypted with usage * == 14 */ plaintext=decrypt_krb5_data_asn1(tree, actx, 14, next_tvb, &length); if(plaintext){ tvbuff_t *child_tvb; child_tvb = tvb_new_child_real_data(tvb, plaintext, length, length); /* Add the decrypted data to the data source list. */ add_new_data_source(actx->pinfo, child_tvb, "Krb5 CRED"); offset=dissect_kerberos_Applications(FALSE, child_tvb, 0, actx , tree, /* hf_index*/ -1); } return offset; } static int dissect_krb5_decrypt_KrbFastReq(bool imp_tag _U_, tvbuff_t *tvb, int offset, asn1_ctx_t *actx, proto_tree *tree, int hf_index _U_) { guint8 *plaintext; int length; kerberos_private_data_t *private_data = kerberos_get_private_data(actx); tvbuff_t *next_tvb; next_tvb=tvb_new_subset_remaining(tvb, offset); length=tvb_captured_length_remaining(tvb, offset); private_data->fast_armor_key = NULL; if (private_data->PA_FAST_ARMOR_AP_subkey != NULL) { krb5_fast_key(actx, tree, tvb, private_data->PA_FAST_ARMOR_AP_subkey, "subkeyarmor", private_data->PA_FAST_ARMOR_AP_key, "ticketarmor", "KrbFastReq_FAST_armorKey"); if (private_data->PA_TGS_REQ_subkey != NULL) { enc_key_t *explicit_armor_key = private_data->last_added_key; /* * See [MS-KILE] 3.3.5.7.4 Compound Identity */ krb5_fast_key(actx, tree, tvb, explicit_armor_key, "explicitarmor", private_data->PA_TGS_REQ_subkey, "tgsarmor", "KrbFastReq_explicitArmorKey"); } private_data->fast_armor_key = private_data->last_added_key; } else if (private_data->PA_TGS_REQ_subkey != NULL) { krb5_fast_key(actx, tree, tvb, private_data->PA_TGS_REQ_subkey, "subkeyarmor", private_data->PA_TGS_REQ_key, "ticketarmor", "KrbFastReq_TGS_armorKey"); private_data->fast_armor_key = private_data->last_added_key; } /* RFC6113 : * KrbFastResponse encrypted with usage * KEY_USAGE_FAST_ENC 51 */ plaintext=decrypt_krb5_data_asn1(tree, actx, KEY_USAGE_FAST_ENC, next_tvb, &length); if(plaintext){ tvbuff_t *child_tvb; child_tvb = tvb_new_child_real_data(tvb, plaintext, length, length); /* Add the decrypted data to the data source list. */ add_new_data_source(actx->pinfo, child_tvb, "Krb5 FastReq"); offset=dissect_kerberos_KrbFastReq(FALSE, child_tvb, 0, actx , tree, /* hf_index*/ -1); } return offset; } static int dissect_krb5_decrypt_KrbFastResponse(bool imp_tag _U_, tvbuff_t *tvb, int offset, asn1_ctx_t *actx, proto_tree *tree, int hf_index _U_) { guint8 *plaintext; int length; kerberos_private_data_t *private_data = kerberos_get_private_data(actx); tvbuff_t *next_tvb; next_tvb=tvb_new_subset_remaining(tvb, offset); length=tvb_captured_length_remaining(tvb, offset); /* * RFC6113 : * KrbFastResponse encrypted with usage * KEY_USAGE_FAST_REP 52 */ plaintext=decrypt_krb5_data_asn1(tree, actx, KEY_USAGE_FAST_REP, next_tvb, &length); if(plaintext){ tvbuff_t *child_tvb; child_tvb = tvb_new_child_real_data(tvb, plaintext, length, length); /* Add the decrypted data to the data source list. */ add_new_data_source(actx->pinfo, child_tvb, "Krb5 FastRep"); private_data->fast_armor_key = private_data->last_decryption_key; offset=dissect_kerberos_KrbFastResponse(FALSE, child_tvb, 0, actx , tree, /* hf_index*/ -1); } return offset; } static int dissect_krb5_decrypt_EncryptedChallenge(bool imp_tag _U_, tvbuff_t *tvb, int offset, asn1_ctx_t *actx, proto_tree *tree, int hf_index _U_) { guint8 *plaintext; int length; kerberos_private_data_t *private_data = kerberos_get_private_data(actx); tvbuff_t *next_tvb; int usage = 0; const char *name = NULL; next_tvb=tvb_new_subset_remaining(tvb, offset); length=tvb_captured_length_remaining(tvb, offset); /* RFC6113 : * KEY_USAGE_ENC_CHALLENGE_CLIENT 54 * KEY_USAGE_ENC_CHALLENGE_KDC 55 */ if (kerberos_private_is_kdc_req(private_data)) { usage = KEY_USAGE_ENC_CHALLENGE_CLIENT; name = "Krb5 CHALLENGE_CLIENT"; } else { usage = KEY_USAGE_ENC_CHALLENGE_KDC; name = "Krb5 CHALLENGE_KDC"; } plaintext=decrypt_krb5_data_asn1(tree, actx, usage, next_tvb, &length); if(plaintext){ tvbuff_t *child_tvb; child_tvb = tvb_new_child_real_data(tvb, plaintext, length, length); /* Add the decrypted data to the data source list. */ add_new_data_source(actx->pinfo, child_tvb, name); offset=dissect_kerberos_PA_ENC_TS_ENC(FALSE, child_tvb, 0, actx , tree, /* hf_index*/ -1); } return offset; } #endif /* HAVE_KERBEROS */ static int * const hf_krb_pa_supported_enctypes_fields[] = { &hf_krb_pa_supported_enctypes_des_cbc_crc, &hf_krb_pa_supported_enctypes_des_cbc_md5, &hf_krb_pa_supported_enctypes_rc4_hmac, &hf_krb_pa_supported_enctypes_aes128_cts_hmac_sha1_96, &hf_krb_pa_supported_enctypes_aes256_cts_hmac_sha1_96, &hf_krb_pa_supported_enctypes_fast_supported, &hf_krb_pa_supported_enctypes_compound_identity_supported, &hf_krb_pa_supported_enctypes_claims_supported, &hf_krb_pa_supported_enctypes_resource_sid_compression_disabled, NULL, }; static int dissect_kerberos_PA_SUPPORTED_ENCTYPES(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { actx->created_item = proto_tree_add_bitmask(tree, tvb, offset, hf_krb_pa_supported_enctypes, ett_krb_pa_supported_enctypes, hf_krb_pa_supported_enctypes_fields, ENC_LITTLE_ENDIAN); offset += 4; return offset; } static int * const hf_krb_ad_ap_options_fields[] = { &hf_krb_ad_ap_options_cbt, NULL, }; static int dissect_kerberos_AD_AP_OPTIONS(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { actx->created_item = proto_tree_add_bitmask(tree, tvb, offset, hf_krb_ad_ap_options, ett_krb_ad_ap_options, hf_krb_ad_ap_options_fields, ENC_LITTLE_ENDIAN); offset += 4; return offset; } static int dissect_kerberos_AD_TARGET_PRINCIPAL(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { int tp_offset, tp_len; guint16 bc; bc = tvb_reported_length_remaining(tvb, offset); tp_offset = offset; tp_len = bc; proto_tree_add_item(tree, hf_krb_ad_target_principal, tvb, tp_offset, tp_len, ENC_UTF_16 | ENC_LITTLE_ENDIAN); return offset; } /* Dissect a GSSAPI checksum as per RFC1964. This is NOT ASN.1 encoded. */ static int dissect_krb5_rfc1964_checksum(asn1_ctx_t *actx _U_, proto_tree *tree, tvbuff_t *tvb) { int offset=0; guint32 len; guint16 dlglen; /* Length of Bnd field */ len=tvb_get_letohl(tvb, offset); proto_tree_add_item(tree, hf_krb_gssapi_len, tvb, offset, 4, ENC_LITTLE_ENDIAN); offset += 4; /* Bnd field */ proto_tree_add_item(tree, hf_krb_gssapi_bnd, tvb, offset, len, ENC_NA); offset += len; /* flags */ proto_tree_add_item(tree, hf_krb_gssapi_c_flag_dce_style, tvb, offset, 4, ENC_LITTLE_ENDIAN); proto_tree_add_item(tree, hf_krb_gssapi_c_flag_integ, tvb, offset, 4, ENC_LITTLE_ENDIAN); proto_tree_add_item(tree, hf_krb_gssapi_c_flag_conf, tvb, offset, 4, ENC_LITTLE_ENDIAN); proto_tree_add_item(tree, hf_krb_gssapi_c_flag_sequence, tvb, offset, 4, ENC_LITTLE_ENDIAN); proto_tree_add_item(tree, hf_krb_gssapi_c_flag_replay, tvb, offset, 4, ENC_LITTLE_ENDIAN); proto_tree_add_item(tree, hf_krb_gssapi_c_flag_mutual, tvb, offset, 4, ENC_LITTLE_ENDIAN); proto_tree_add_item(tree, hf_krb_gssapi_c_flag_deleg, tvb, offset, 4, ENC_LITTLE_ENDIAN); offset += 4; /* the next fields are optional so we have to check that we have * more data in our buffers */ if(tvb_reported_length_remaining(tvb, offset)<2){ return offset; } /* dlgopt identifier */ proto_tree_add_item(tree, hf_krb_gssapi_dlgopt, tvb, offset, 2, ENC_LITTLE_ENDIAN); offset += 2; if(tvb_reported_length_remaining(tvb, offset)<2){ return offset; } /* dlglen identifier */ dlglen=tvb_get_letohs(tvb, offset); proto_tree_add_item(tree, hf_krb_gssapi_dlglen, tvb, offset, 2, ENC_LITTLE_ENDIAN); offset += 2; if(dlglen!=tvb_reported_length_remaining(tvb, offset)){ proto_tree_add_expert_format(tree, actx->pinfo, &ei_krb_gssapi_dlglen, tvb, 0, 0, "Error: DlgLen:%d is not the same as number of bytes remaining:%d", dlglen, tvb_captured_length_remaining(tvb, offset)); return offset; } /* this should now be a KRB_CRED message */ offset=dissect_kerberos_Applications(FALSE, tvb, offset, actx, tree, /* hf_index */ -1); return offset; } static int dissect_krb5_PA_PROV_SRV_LOCATION(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset=dissect_ber_GeneralString(actx, tree, tvb, offset, hf_krb_provsrv_location, NULL, 0); return offset; } static int dissect_krb5_PW_SALT(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { kerberos_private_data_t *private_data = kerberos_get_private_data(actx); gint length; guint32 nt_status = 0; guint32 reserved = 0; guint32 flags = 0; /* * Microsoft stores a special 12 byte blob here * [MS-KILE] 2.2.1 KERB-EXT-ERROR * guint32 NT_status * guint32 reserved (== 0) * guint32 flags (at least 0x00000001 is set) */ length = tvb_reported_length_remaining(tvb, offset); if (length <= 0) { return offset; } if (length != 12) { goto no_error; } if (private_data->errorcode == 0) { goto no_error; } if (!private_data->try_nt_status) { goto no_error; } nt_status = tvb_get_letohl(tvb, offset); reserved = tvb_get_letohl(tvb, offset + 4); flags = tvb_get_letohl(tvb, offset + 8); if (nt_status == 0 || reserved != 0 || flags == 0) { goto no_error; } proto_tree_add_item(tree, hf_krb_ext_error_nt_status, tvb, offset, 4, ENC_LITTLE_ENDIAN); col_append_fstr(actx->pinfo->cinfo, COL_INFO, " NT Status: %s", val_to_str(nt_status, NT_errors, "Unknown error code %#x")); offset += 4; proto_tree_add_item(tree, hf_krb_ext_error_reserved, tvb, offset, 4, ENC_LITTLE_ENDIAN); offset += 4; proto_tree_add_item(tree, hf_krb_ext_error_flags, tvb, offset, 4, ENC_LITTLE_ENDIAN); offset += 4; return offset; no_error: proto_tree_add_item(tree, hf_krb_pw_salt, tvb, offset, length, ENC_NA); offset += length; return offset; } static int dissect_krb5_PAC_DREP(proto_tree *parent_tree, tvbuff_t *tvb, int offset, guint8 *drep) { proto_tree *tree; guint8 val; tree = proto_tree_add_subtree(parent_tree, tvb, offset, 16, ett_krb_pac_drep, NULL, "DREP"); val = tvb_get_guint8(tvb, offset); proto_tree_add_uint(tree, hf_dcerpc_drep_byteorder, tvb, offset, 1, val>>4); offset++; if (drep) { *drep = val; } return offset; } /* This might be some sort of header that MIDL generates when creating * marshalling/unmarshalling code for blobs that are not to be transported * ontop of DCERPC and where the DREP fields specifying things such as * endianess and similar are not available. */ static int dissect_krb5_PAC_NDRHEADERBLOB(proto_tree *parent_tree, tvbuff_t *tvb, int offset, guint8 *drep, asn1_ctx_t *actx _U_) { proto_tree *tree; tree = proto_tree_add_subtree(parent_tree, tvb, offset, 16, ett_krb_pac_midl_blob, NULL, "MES header"); /* modified DREP field that is used for stuff that is transporetd ontop of non dcerpc */ proto_tree_add_item(tree, hf_krb_midl_version, tvb, offset, 1, ENC_LITTLE_ENDIAN); offset++; offset = dissect_krb5_PAC_DREP(tree, tvb, offset, drep); proto_tree_add_item(tree, hf_krb_midl_hdr_len, tvb, offset, 2, ENC_LITTLE_ENDIAN); offset+=2; proto_tree_add_item(tree, hf_krb_midl_fill_bytes, tvb, offset, 4, ENC_LITTLE_ENDIAN); offset += 4; /* length of blob that follows */ proto_tree_add_item(tree, hf_krb_midl_blob_len, tvb, offset, 8, ENC_LITTLE_ENDIAN); offset += 8; return offset; } static int dissect_krb5_PAC_LOGON_INFO(proto_tree *parent_tree, tvbuff_t *tvb, int offset, asn1_ctx_t *actx _U_) { proto_item *item; proto_tree *tree; guint8 drep[4] = { 0x10, 0x00, 0x00, 0x00}; /* fake DREP struct */ static dcerpc_info di; /* fake dcerpc_info struct */ static dcerpc_call_value call_data; item = proto_tree_add_item(parent_tree, hf_krb_pac_logon_info, tvb, offset, -1, ENC_NA); tree = proto_item_add_subtree(item, ett_krb_pac_logon_info); /* skip the first 16 bytes, they are some magic created by the idl * compiler the first 4 bytes might be flags? */ offset = dissect_krb5_PAC_NDRHEADERBLOB(tree, tvb, offset, &drep[0], actx); /* the PAC_LOGON_INFO blob */ /* fake whatever state the dcerpc runtime support needs */ di.conformant_run=0; /* we need di->call_data->flags.NDR64 == 0 */ di.call_data=&call_data; init_ndr_pointer_list(&di); offset = dissect_ndr_pointer(tvb, offset, actx->pinfo, tree, &di, drep, netlogon_dissect_PAC_LOGON_INFO, NDR_POINTER_UNIQUE, "PAC_LOGON_INFO:", -1); return offset; } static int dissect_krb5_PAC_CREDENTIAL_DATA(proto_tree *parent_tree, tvbuff_t *tvb, int offset, packet_info *pinfo _U_) { proto_tree_add_item(parent_tree, hf_krb_pac_credential_data, tvb, offset, -1, ENC_NA); return offset; } static int dissect_krb5_PAC_CREDENTIAL_INFO(proto_tree *parent_tree, tvbuff_t *tvb, int offset, asn1_ctx_t *actx) { proto_item *item; proto_tree *tree; guint8 *plaintext = NULL; int plainlen = 0; int length = 0; #define KRB5_KU_OTHER_ENCRYPTED 16 #ifdef HAVE_KERBEROS guint32 etype; tvbuff_t *next_tvb; int usage = KRB5_KU_OTHER_ENCRYPTED; #endif item = proto_tree_add_item(parent_tree, hf_krb_pac_credential_info, tvb, offset, -1, ENC_NA); tree = proto_item_add_subtree(item, ett_krb_pac_credential_info); /* version */ proto_tree_add_item(tree, hf_krb_pac_credential_info_version, tvb, offset, 4, ENC_LITTLE_ENDIAN); offset+=4; #ifdef HAVE_KERBEROS /* etype */ etype = tvb_get_letohl(tvb, offset); #endif proto_tree_add_item(tree, hf_krb_pac_credential_info_etype, tvb, offset, 4, ENC_LITTLE_ENDIAN); offset+=4; #ifdef HAVE_KERBEROS /* data */ next_tvb=tvb_new_subset_remaining(tvb, offset); length=tvb_captured_length_remaining(tvb, offset); plaintext=decrypt_krb5_data(tree, actx->pinfo, usage, next_tvb, (int)etype, &plainlen); #endif if (plaintext != NULL) { tvbuff_t *child_tvb; child_tvb = tvb_new_child_real_data(tvb, plaintext, plainlen, plainlen); /* Add the decrypted data to the data source list. */ add_new_data_source(actx->pinfo, child_tvb, "Krb5 PAC_CREDENTIAL"); dissect_krb5_PAC_CREDENTIAL_DATA(tree, child_tvb, 0, actx->pinfo); } return offset + length; } static int dissect_krb5_PAC_S4U_DELEGATION_INFO(proto_tree *parent_tree, tvbuff_t *tvb, int offset, asn1_ctx_t *actx) { proto_item *item; proto_tree *tree; guint8 drep[4] = { 0x10, 0x00, 0x00, 0x00}; /* fake DREP struct */ static dcerpc_info di; /* fake dcerpc_info struct */ static dcerpc_call_value call_data; item = proto_tree_add_item(parent_tree, hf_krb_pac_s4u_delegation_info, tvb, offset, -1, ENC_NA); tree = proto_item_add_subtree(item, ett_krb_pac_s4u_delegation_info); /* skip the first 16 bytes, they are some magic created by the idl * compiler the first 4 bytes might be flags? */ offset = dissect_krb5_PAC_NDRHEADERBLOB(tree, tvb, offset, &drep[0], actx); /* the S4U_DELEGATION_INFO blob. See [MS-PAC] */ /* fake whatever state the dcerpc runtime support needs */ di.conformant_run=0; /* we need di->call_data->flags.NDR64 == 0 */ di.call_data=&call_data; init_ndr_pointer_list(&di); offset = dissect_ndr_pointer(tvb, offset, actx->pinfo, tree, &di, drep, netlogon_dissect_PAC_S4U_DELEGATION_INFO, NDR_POINTER_UNIQUE, "PAC_S4U_DELEGATION_INFO:", -1); return offset; } #define PAC_UPN_DNS_FLAG_CONSTRUCTED 0x00000001 #define PAC_UPN_DNS_FLAG_HAS_SAM_NAME_AND_SID 0x00000002 static const true_false_string tfs_krb_pac_upn_flag_upn_constructed = { "UPN Name is Constructed", "UPN Name is NOT Constructed", }; static const true_false_string tfs_krb_pac_upn_flag_has_sam_name_and_sid = { "SAM_NAME and SID are included", "SAM_NAME and SID are NOT included", }; static int * const hf_krb_pac_upn_flags_fields[] = { &hf_krb_pac_upn_flag_upn_constructed, &hf_krb_pac_upn_flag_has_sam_name_and_sid, NULL }; static int dissect_krb5_PAC_UPN_DNS_INFO(proto_tree *parent_tree, tvbuff_t *tvb, int offset, asn1_ctx_t *actx _U_) { proto_item *item; proto_tree *tree; guint16 dns_offset, dns_len; guint16 upn_offset, upn_len; guint16 samaccountname_offset = 0, samaccountname_len = 0; guint16 objectsid_offset = 0, objectsid_len = 0; guint32 flags; item = proto_tree_add_item(parent_tree, hf_krb_pac_upn_dns_info, tvb, offset, -1, ENC_NA); tree = proto_item_add_subtree(item, ett_krb_pac_upn_dns_info); /* upn */ upn_len = tvb_get_letohs(tvb, offset); proto_tree_add_item(tree, hf_krb_pac_upn_upn_len, tvb, offset, 2, ENC_LITTLE_ENDIAN); offset+=2; upn_offset = tvb_get_letohs(tvb, offset); proto_tree_add_item(tree, hf_krb_pac_upn_upn_offset, tvb, offset, 2, ENC_LITTLE_ENDIAN); offset+=2; /* dns */ dns_len = tvb_get_letohs(tvb, offset); proto_tree_add_item(tree, hf_krb_pac_upn_dns_len, tvb, offset, 2, ENC_LITTLE_ENDIAN); offset+=2; dns_offset = tvb_get_letohs(tvb, offset); proto_tree_add_item(tree, hf_krb_pac_upn_dns_offset, tvb, offset, 2, ENC_LITTLE_ENDIAN); offset+=2; /* flags */ flags = tvb_get_letohl(tvb, offset); proto_tree_add_bitmask(tree, tvb, offset, hf_krb_pac_upn_flags, ett_krb_pac_upn_dns_info_flags, hf_krb_pac_upn_flags_fields, ENC_LITTLE_ENDIAN); offset+=4; if (flags & PAC_UPN_DNS_FLAG_HAS_SAM_NAME_AND_SID) { samaccountname_len = tvb_get_letohs(tvb, offset); proto_tree_add_item(tree, hf_krb_pac_upn_samaccountname_len, tvb, offset, 2, ENC_LITTLE_ENDIAN); offset+=2; samaccountname_offset = tvb_get_letohs(tvb, offset); proto_tree_add_item(tree, hf_krb_pac_upn_samaccountname_offset, tvb, offset, 2, ENC_LITTLE_ENDIAN); offset+=2; objectsid_len = tvb_get_letohs(tvb, offset); proto_tree_add_item(tree, hf_krb_pac_upn_objectsid_len, tvb, offset, 2, ENC_LITTLE_ENDIAN); offset+=2; objectsid_offset = tvb_get_letohs(tvb, offset); proto_tree_add_item(tree, hf_krb_pac_upn_objectsid_offset, tvb, offset, 2, ENC_LITTLE_ENDIAN); /* offset+=2; */ } /* upn */ proto_tree_add_item(tree, hf_krb_pac_upn_upn_name, tvb, upn_offset, upn_len, ENC_UTF_16|ENC_LITTLE_ENDIAN); /* dns */ proto_tree_add_item(tree, hf_krb_pac_upn_dns_name, tvb, dns_offset, dns_len, ENC_UTF_16|ENC_LITTLE_ENDIAN); /* samaccountname */ if (samaccountname_offset != 0 && samaccountname_len != 0) { proto_tree_add_item(tree, hf_krb_pac_upn_samaccountname, tvb, samaccountname_offset, samaccountname_len, ENC_UTF_16|ENC_LITTLE_ENDIAN); } /* objectsid */ if (objectsid_offset != 0 && objectsid_len != 0) { tvbuff_t *sid_tvb; sid_tvb=tvb_new_subset_length(tvb, objectsid_offset, objectsid_len); dissect_nt_sid(sid_tvb, 0, tree, "objectSid", NULL, -1); } return dns_offset; } static int dissect_krb5_PAC_CLIENT_CLAIMS_INFO(proto_tree *parent_tree, tvbuff_t *tvb, int offset, asn1_ctx_t *actx _U_) { int length = tvb_captured_length_remaining(tvb, offset); if (length == 0) { return offset; } proto_tree_add_item(parent_tree, hf_krb_pac_client_claims_info, tvb, offset, -1, ENC_NA); return offset; } static int dissect_krb5_PAC_DEVICE_INFO(proto_tree *parent_tree, tvbuff_t *tvb, int offset, asn1_ctx_t *actx _U_) { proto_item *item; proto_tree *tree; guint8 drep[4] = { 0x10, 0x00, 0x00, 0x00}; /* fake DREP struct */ static dcerpc_info di; /* fake dcerpc_info struct */ static dcerpc_call_value call_data; item = proto_tree_add_item(parent_tree, hf_krb_pac_device_info, tvb, offset, -1, ENC_NA); tree = proto_item_add_subtree(item, ett_krb_pac_device_info); /* skip the first 16 bytes, they are some magic created by the idl * compiler the first 4 bytes might be flags? */ offset = dissect_krb5_PAC_NDRHEADERBLOB(tree, tvb, offset, &drep[0], actx); /* the PAC_DEVICE_INFO blob */ /* fake whatever state the dcerpc runtime support needs */ di.conformant_run=0; /* we need di->call_data->flags.NDR64 == 0 */ di.call_data=&call_data; init_ndr_pointer_list(&di); offset = dissect_ndr_pointer(tvb, offset, actx->pinfo, tree, &di, drep, netlogon_dissect_PAC_DEVICE_INFO, NDR_POINTER_UNIQUE, "PAC_DEVICE_INFO:", -1); return offset; } static int dissect_krb5_PAC_DEVICE_CLAIMS_INFO(proto_tree *parent_tree, tvbuff_t *tvb, int offset, asn1_ctx_t *actx _U_) { int length = tvb_captured_length_remaining(tvb, offset); if (length == 0) { return offset; } proto_tree_add_item(parent_tree, hf_krb_pac_device_claims_info, tvb, offset, -1, ENC_NA); return offset; } static int dissect_krb5_PAC_SERVER_CHECKSUM(proto_tree *parent_tree, tvbuff_t *tvb, int offset, asn1_ctx_t *actx _U_) { proto_item *item; proto_tree *tree; item = proto_tree_add_item(parent_tree, hf_krb_pac_server_checksum, tvb, offset, -1, ENC_NA); tree = proto_item_add_subtree(item, ett_krb_pac_server_checksum); /* signature type */ proto_tree_add_item(tree, hf_krb_pac_signature_type, tvb, offset, 4, ENC_LITTLE_ENDIAN); offset+=4; /* signature data */ proto_tree_add_item(tree, hf_krb_pac_signature_signature, tvb, offset, -1, ENC_NA); return offset; } static int dissect_krb5_PAC_PRIVSVR_CHECKSUM(proto_tree *parent_tree, tvbuff_t *tvb, int offset, asn1_ctx_t *actx _U_) { proto_item *item; proto_tree *tree; item = proto_tree_add_item(parent_tree, hf_krb_pac_privsvr_checksum, tvb, offset, -1, ENC_NA); tree = proto_item_add_subtree(item, ett_krb_pac_privsvr_checksum); /* signature type */ proto_tree_add_item(tree, hf_krb_pac_signature_type, tvb, offset, 4, ENC_LITTLE_ENDIAN); offset+=4; /* signature data */ proto_tree_add_item(tree, hf_krb_pac_signature_signature, tvb, offset, -1, ENC_NA); return offset; } static int dissect_krb5_PAC_CLIENT_INFO_TYPE(proto_tree *parent_tree, tvbuff_t *tvb, int offset, asn1_ctx_t *actx _U_) { proto_item *item; proto_tree *tree; guint16 namelen; item = proto_tree_add_item(parent_tree, hf_krb_pac_client_info_type, tvb, offset, -1, ENC_NA); tree = proto_item_add_subtree(item, ett_krb_pac_client_info_type); /* clientid */ offset = dissect_nt_64bit_time(tvb, tree, offset, hf_krb_pac_clientid); /* name length */ namelen=tvb_get_letohs(tvb, offset); proto_tree_add_uint(tree, hf_krb_pac_namelen, tvb, offset, 2, namelen); offset+=2; /* client name */ proto_tree_add_item(tree, hf_krb_pac_clientname, tvb, offset, namelen, ENC_UTF_16|ENC_LITTLE_ENDIAN); offset+=namelen; return offset; } static int dissect_krb5_PAC_TICKET_CHECKSUM(proto_tree *parent_tree, tvbuff_t *tvb, int offset, asn1_ctx_t *actx _U_) { proto_item *item; proto_tree *tree; item = proto_tree_add_item(parent_tree, hf_krb_pac_ticket_checksum, tvb, offset, -1, ENC_NA); tree = proto_item_add_subtree(item, ett_krb_pac_ticket_checksum); /* signature type */ proto_tree_add_item(tree, hf_krb_pac_signature_type, tvb, offset, 4, ENC_LITTLE_ENDIAN); offset+=4; /* signature data */ proto_tree_add_item(tree, hf_krb_pac_signature_signature, tvb, offset, -1, ENC_NA); return offset; } #define PAC_ATTRIBUTE_FLAG_PAC_WAS_REQUESTED 0x00000001 #define PAC_ATTRIBUTE_FLAG_PAC_WAS_GIVEN_IMPLICITLY 0x00000002 static const true_false_string tfs_krb_pac_attributes_info_pac_was_requested = { "PAC was requested", "PAC was NOT requested", }; static const true_false_string tfs_krb_pac_attributes_info_pac_was_given_implicitly = { "PAC was given implicitly", "PAC was NOT given implicitly", }; static int * const hf_krb_pac_attributes_info_flags_fields[] = { &hf_krb_pac_attributes_info_flags_pac_was_requested, &hf_krb_pac_attributes_info_flags_pac_was_given_implicitly, NULL }; static int dissect_krb5_PAC_ATTRIBUTES_INFO(proto_tree *parent_tree, tvbuff_t *tvb, int offset, asn1_ctx_t *actx _U_) { proto_item *item; proto_tree *tree; item = proto_tree_add_item(parent_tree, hf_krb_pac_attributes_info, tvb, offset, -1, ENC_NA); tree = proto_item_add_subtree(item, ett_krb_pac_attributes_info); /* flags length*/ proto_tree_add_item(tree, hf_krb_pac_attributes_info_length, tvb, offset, 4, ENC_LITTLE_ENDIAN); offset+=4; /* flags */ proto_tree_add_bitmask(tree, tvb, offset, hf_krb_pac_attributes_info_flags, ett_krb_pac_attributes_info_flags, hf_krb_pac_attributes_info_flags_fields, ENC_LITTLE_ENDIAN); offset+=4; return offset; } static int dissect_krb5_PAC_REQUESTER_SID(proto_tree *parent_tree, tvbuff_t *tvb, int offset, asn1_ctx_t *actx _U_) { proto_item *item; proto_tree *tree; item = proto_tree_add_item(parent_tree, hf_krb_pac_requester_sid, tvb, offset, -1, ENC_NA); tree = proto_item_add_subtree(item, ett_krb_pac_requester_sid); offset = dissect_nt_sid(tvb, offset, tree, "RequesterSid", NULL, -1); return offset; } static int dissect_krb5_AD_WIN2K_PAC_struct(proto_tree *tree, tvbuff_t *tvb, int offset, asn1_ctx_t *actx) { guint32 pac_type; guint32 pac_size; guint32 pac_offset; proto_item *it=NULL; proto_tree *tr=NULL; tvbuff_t *next_tvb; /* type of pac data */ pac_type=tvb_get_letohl(tvb, offset); it=proto_tree_add_uint(tree, hf_krb_w2k_pac_type, tvb, offset, 4, pac_type); tr=proto_item_add_subtree(it, ett_krb_pac); offset += 4; /* size of pac data */ pac_size=tvb_get_letohl(tvb, offset); proto_tree_add_uint(tr, hf_krb_w2k_pac_size, tvb, offset, 4, pac_size); offset += 4; /* offset to pac data */ pac_offset=tvb_get_letohl(tvb, offset); proto_tree_add_uint(tr, hf_krb_w2k_pac_offset, tvb, offset, 4, pac_offset); offset += 8; next_tvb=tvb_new_subset_length_caplen(tvb, pac_offset, pac_size, pac_size); switch(pac_type){ case PAC_LOGON_INFO: dissect_krb5_PAC_LOGON_INFO(tr, next_tvb, 0, actx); break; case PAC_CREDENTIAL_TYPE: dissect_krb5_PAC_CREDENTIAL_INFO(tr, next_tvb, 0, actx); break; case PAC_SERVER_CHECKSUM: dissect_krb5_PAC_SERVER_CHECKSUM(tr, next_tvb, 0, actx); break; case PAC_PRIVSVR_CHECKSUM: dissect_krb5_PAC_PRIVSVR_CHECKSUM(tr, next_tvb, 0, actx); break; case PAC_CLIENT_INFO_TYPE: dissect_krb5_PAC_CLIENT_INFO_TYPE(tr, next_tvb, 0, actx); break; case PAC_S4U_DELEGATION_INFO: dissect_krb5_PAC_S4U_DELEGATION_INFO(tr, next_tvb, 0, actx); break; case PAC_UPN_DNS_INFO: dissect_krb5_PAC_UPN_DNS_INFO(tr, next_tvb, 0, actx); break; case PAC_CLIENT_CLAIMS_INFO: dissect_krb5_PAC_CLIENT_CLAIMS_INFO(tr, next_tvb, 0, actx); break; case PAC_DEVICE_INFO: dissect_krb5_PAC_DEVICE_INFO(tr, next_tvb, 0, actx); break; case PAC_DEVICE_CLAIMS_INFO: dissect_krb5_PAC_DEVICE_CLAIMS_INFO(tr, next_tvb, 0, actx); break; case PAC_TICKET_CHECKSUM: dissect_krb5_PAC_TICKET_CHECKSUM(tr, next_tvb, 0, actx); break; case PAC_ATTRIBUTES_INFO: dissect_krb5_PAC_ATTRIBUTES_INFO(tr, next_tvb, 0, actx); break; case PAC_REQUESTER_SID: dissect_krb5_PAC_REQUESTER_SID(tr, next_tvb, 0, actx); break; default: break; } return offset; } static int dissect_krb5_AD_WIN2K_PAC(bool implicit_tag _U_, tvbuff_t *tvb, int offset, asn1_ctx_t *actx, proto_tree *tree, int hf_index _U_) { guint32 entries; guint32 version; guint32 i; #if defined(HAVE_MIT_KERBEROS) && defined(HAVE_KRB5_PAC_VERIFY) verify_krb5_pac(tree, actx, tvb); #endif /* first in the PAC structure comes the number of entries */ entries=tvb_get_letohl(tvb, offset); proto_tree_add_uint(tree, hf_krb_w2k_pac_entries, tvb, offset, 4, entries); offset += 4; /* second comes the version */ version=tvb_get_letohl(tvb, offset); proto_tree_add_uint(tree, hf_krb_w2k_pac_version, tvb, offset, 4, version); offset += 4; for(i=0;ietype)); return offset; } static int dissect_kerberos_UInt32(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_integer(implicit_tag, actx, tree, tvb, offset, hf_index, NULL); return offset; } static int dissect_kerberos_T_encryptedTicketData_cipher(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { #ifdef HAVE_KERBEROS offset=dissect_ber_octet_string_wcb(FALSE, actx, tree, tvb, offset, hf_index, dissect_krb5_decrypt_ticket_data); #else offset = dissect_ber_octet_string(implicit_tag, actx, tree, tvb, offset, hf_index, NULL); #endif return offset; } static const ber_sequence_t EncryptedTicketData_sequence[] = { { &hf_kerberos_etype , BER_CLASS_CON, 0, 0, dissect_kerberos_ENCTYPE }, { &hf_kerberos_kvno , BER_CLASS_CON, 1, BER_FLAGS_OPTIONAL, dissect_kerberos_UInt32 }, { &hf_kerberos_encryptedTicketData_cipher, BER_CLASS_CON, 2, 0, dissect_kerberos_T_encryptedTicketData_cipher }, { NULL, 0, 0, 0, NULL } }; static int dissect_kerberos_EncryptedTicketData(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset, EncryptedTicketData_sequence, hf_index, ett_kerberos_EncryptedTicketData); return offset; } static const ber_sequence_t Ticket_U_sequence[] = { { &hf_kerberos_tkt_vno , BER_CLASS_CON, 0, 0, dissect_kerberos_INTEGER_5 }, { &hf_kerberos_realm , BER_CLASS_CON, 1, 0, dissect_kerberos_Realm }, { &hf_kerberos_sname , BER_CLASS_CON, 2, 0, dissect_kerberos_SName }, { &hf_kerberos_ticket_enc_part, BER_CLASS_CON, 3, 0, dissect_kerberos_EncryptedTicketData }, { NULL, 0, 0, 0, NULL } }; static int dissect_kerberos_Ticket_U(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset, Ticket_U_sequence, hf_index, ett_kerberos_Ticket_U); return offset; } static int dissect_kerberos_Ticket(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_tagged_type(implicit_tag, actx, tree, tvb, offset, hf_index, BER_CLASS_APP, 1, FALSE, dissect_kerberos_Ticket_U); return offset; } static int dissect_kerberos_CNameString(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_restricted_string(implicit_tag, BER_UNI_TAG_GeneralString, actx, tree, tvb, offset, hf_index, NULL); return offset; } static const ber_sequence_t SEQUENCE_OF_CNameString_sequence_of[1] = { { &hf_kerberos_cname_string_item, BER_CLASS_UNI, BER_UNI_TAG_GeneralString, BER_FLAGS_NOOWNTAG, dissect_kerberos_CNameString }, }; static int dissect_kerberos_SEQUENCE_OF_CNameString(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_sequence_of(implicit_tag, actx, tree, tvb, offset, SEQUENCE_OF_CNameString_sequence_of, hf_index, ett_kerberos_SEQUENCE_OF_CNameString); return offset; } static const ber_sequence_t CName_sequence[] = { { &hf_kerberos_name_type , BER_CLASS_CON, 0, 0, dissect_kerberos_NAME_TYPE }, { &hf_kerberos_cname_string, BER_CLASS_CON, 1, 0, dissect_kerberos_SEQUENCE_OF_CNameString }, { NULL, 0, 0, 0, NULL } }; static int dissect_kerberos_CName(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset, CName_sequence, hf_index, ett_kerberos_CName); return offset; } static const value_string kerberos_CKSUMTYPE_vals[] = { { 0, "cKSUMTYPE-NONE" }, { 1, "cKSUMTYPE-CRC32" }, { 2, "cKSUMTYPE-RSA-MD4" }, { 3, "cKSUMTYPE-RSA-MD4-DES" }, { 4, "cKSUMTYPE-DES-MAC" }, { 5, "cKSUMTYPE-DES-MAC-K" }, { 6, "cKSUMTYPE-RSA-MD4-DES-K" }, { 7, "cKSUMTYPE-RSA-MD5" }, { 8, "cKSUMTYPE-RSA-MD5-DES" }, { 9, "cKSUMTYPE-RSA-MD5-DES3" }, { 10, "cKSUMTYPE-SHA1-OTHER" }, { 12, "cKSUMTYPE-HMAC-SHA1-DES3-KD" }, { 13, "cKSUMTYPE-HMAC-SHA1-DES3" }, { 14, "cKSUMTYPE-SHA1" }, { 15, "cKSUMTYPE-HMAC-SHA1-96-AES-128" }, { 16, "cKSUMTYPE-HMAC-SHA1-96-AES-256" }, { 17, "cKSUMTYPE-CMAC-CAMELLIA128" }, { 18, "cKSUMTYPE-CMAC-CAMELLIA256" }, { 19, "cKSUMTYPE-HMAC-SHA256-128-AES128" }, { 20, "cKSUMTYPE-HMAC-SHA384-192-AES256" }, { 32771, "cKSUMTYPE-GSSAPI" }, { -138, "cKSUMTYPE-HMAC-MD5" }, { -1138, "cKSUMTYPE-HMAC-MD5-ENC" }, { 0, NULL } }; static int dissect_kerberos_CKSUMTYPE(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { kerberos_private_data_t *private_data = kerberos_get_private_data(actx); offset = dissect_ber_integer(implicit_tag, actx, tree, tvb, offset, hf_index, &(private_data->checksum_type)); return offset; } static int dissect_kerberos_T_checksum(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { tvbuff_t *next_tvb; kerberos_private_data_t *private_data = kerberos_get_private_data(actx); switch(private_data->checksum_type){ case KRB5_CHKSUM_GSSAPI: offset=dissect_ber_octet_string(FALSE, actx, tree, tvb, offset, hf_index, &next_tvb); dissect_krb5_rfc1964_checksum(actx, tree, next_tvb); break; default: offset=dissect_ber_octet_string(FALSE, actx, tree, tvb, offset, hf_index, NULL); break; } return offset; } static const ber_sequence_t Checksum_sequence[] = { { &hf_kerberos_cksumtype , BER_CLASS_CON, 0, 0, dissect_kerberos_CKSUMTYPE }, { &hf_kerberos_checksum , BER_CLASS_CON, 1, 0, dissect_kerberos_T_checksum }, { NULL, 0, 0, 0, NULL } }; static int dissect_kerberos_Checksum(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset, Checksum_sequence, hf_index, ett_kerberos_Checksum); return offset; } static int dissect_kerberos_Microseconds(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_integer(implicit_tag, actx, tree, tvb, offset, hf_index, NULL); return offset; } static int dissect_kerberos_KerberosTime(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_GeneralizedTime(implicit_tag, actx, tree, tvb, offset, hf_index); return offset; } static int dissect_kerberos_Int32(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_integer(implicit_tag, actx, tree, tvb, offset, hf_index, NULL); return offset; } static int dissect_kerberos_T_keytype(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { kerberos_private_data_t *private_data = kerberos_get_private_data(actx); private_data->key_hidden_item = proto_tree_add_item(tree, hf_krb_key_hidden_item, tvb, 0, 0, ENC_NA); if (private_data->key_hidden_item != NULL) { proto_item_set_hidden(private_data->key_hidden_item); } offset = dissect_ber_integer(implicit_tag, actx, tree, tvb, offset, hf_index, &gbl_keytype); private_data->key.keytype = gbl_keytype; return offset; } static int dissect_kerberos_T_keyvalue(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { tvbuff_t *out_tvb; kerberos_private_data_t *private_data = kerberos_get_private_data(actx); offset = dissect_ber_octet_string(implicit_tag, actx, tree, tvb, offset, hf_index, &out_tvb); private_data->key.keylength = tvb_reported_length(out_tvb); private_data->key.keyvalue = tvb_get_ptr(out_tvb, 0, private_data->key.keylength); private_data->key_tree = tree; private_data->key_tvb = out_tvb; return offset; } static const ber_sequence_t EncryptionKey_sequence[] = { { &hf_kerberos_keytype , BER_CLASS_CON, 0, 0, dissect_kerberos_T_keytype }, { &hf_kerberos_keyvalue , BER_CLASS_CON, 1, 0, dissect_kerberos_T_keyvalue }, { NULL, 0, 0, 0, NULL } }; static int dissect_kerberos_EncryptionKey(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { kerberos_private_data_t *private_data = kerberos_get_private_data(actx); #ifdef HAVE_KERBEROS int start_offset = offset; #endif offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset, EncryptionKey_sequence, hf_index, ett_kerberos_EncryptionKey); if (private_data->key.keytype != 0 && private_data->key.keylength > 0) { #ifdef HAVE_KERBEROS int length = offset - start_offset; private_data->last_added_key = NULL; private_data->save_encryption_key_fn(tvb, start_offset, length, actx, tree, private_data->save_encryption_key_parent_hf_index, hf_index); private_data->last_added_key = NULL; #endif } return offset; } static int dissect_kerberos_T_authenticator_subkey(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { kerberos_private_data_t *private_data = kerberos_get_private_data(actx); gint save_encryption_key_parent_hf_index = private_data->save_encryption_key_parent_hf_index; kerberos_key_save_fn saved_encryption_key_fn = private_data->save_encryption_key_fn; private_data->save_encryption_key_parent_hf_index = hf_kerberos_authenticator; #ifdef HAVE_KERBEROS private_data->save_encryption_key_fn = save_Authenticator_subkey; #endif offset = dissect_kerberos_EncryptionKey(implicit_tag, tvb, offset, actx, tree, hf_index); private_data->save_encryption_key_parent_hf_index = save_encryption_key_parent_hf_index; private_data->save_encryption_key_fn = saved_encryption_key_fn; return offset; } static const value_string kerberos_AUTHDATA_TYPE_vals[] = { { KERBEROS_AD_IF_RELEVANT, "aD-IF-RELEVANT" }, { KERBEROS_AD_INTENDED_FOR_SERVER, "aD-INTENDED-FOR-SERVER" }, { KERBEROS_AD_INTENDED_FOR_APPLICATION_CLASS, "aD-INTENDED-FOR-APPLICATION-CLASS" }, { KERBEROS_AD_KDC_ISSUED, "aD-KDC-ISSUED" }, { KERBEROS_AD_AND_OR, "aD-AND-OR" }, { KERBEROS_AD_MANDATORY_TICKET_EXTENSIONS, "aD-MANDATORY-TICKET-EXTENSIONS" }, { KERBEROS_AD_IN_TICKET_EXTENSIONS, "aD-IN-TICKET-EXTENSIONS" }, { KERBEROS_AD_MANDATORY_FOR_KDC, "aD-MANDATORY-FOR-KDC" }, { KERBEROS_AD_INITIAL_VERIFIED_CAS, "aD-INITIAL-VERIFIED-CAS" }, { KERBEROS_AD_OSF_DCE, "aD-OSF-DCE" }, { KERBEROS_AD_SESAME, "aD-SESAME" }, { KERBEROS_AD_OSF_DCE_PKI_CERTID, "aD-OSF-DCE-PKI-CERTID" }, { KERBEROS_AD_AUTHENTICATION_STRENGTH, "aD-authentication-strength" }, { KERBEROS_AD_FX_FAST_ARMOR, "aD-fx-fast-armor" }, { KERBEROS_AD_FX_FAST_USED, "aD-fx-fast-used" }, { KERBEROS_AD_WIN2K_PAC, "aD-WIN2K-PAC" }, { KERBEROS_AD_GSS_API_ETYPE_NEGOTIATION, "aD-GSS-API-ETYPE-NEGOTIATION" }, { KERBEROS_AD_TOKEN_RESTRICTIONS, "aD-TOKEN-RESTRICTIONS" }, { KERBEROS_AD_LOCAL, "aD-LOCAL" }, { KERBEROS_AD_AP_OPTIONS, "aD-AP-OPTIONS" }, { KERBEROS_AD_TARGET_PRINCIPAL, "aD-TARGET-PRINCIPAL" }, { KERBEROS_AD_SIGNTICKET_OLDER, "aD-SIGNTICKET-OLDER" }, { KERBEROS_AD_SIGNTICKET, "aD-SIGNTICKET" }, { 0, NULL } }; static int dissect_kerberos_AUTHDATA_TYPE(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { kerberos_private_data_t *private_data = kerberos_get_private_data(actx); offset = dissect_ber_integer(implicit_tag, actx, tree, tvb, offset, hf_index, &(private_data->ad_type)); return offset; } static int dissect_kerberos_T_ad_data(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { kerberos_private_data_t *private_data = kerberos_get_private_data(actx); switch(private_data->ad_type){ case KERBEROS_AD_WIN2K_PAC: offset=dissect_ber_octet_string_wcb(implicit_tag, actx, tree, tvb, offset, hf_index, dissect_krb5_AD_WIN2K_PAC); break; case KERBEROS_AD_IF_RELEVANT: offset=dissect_ber_octet_string_wcb(implicit_tag, actx, tree, tvb, offset, hf_index, dissect_kerberos_AD_IF_RELEVANT); break; case KERBEROS_AD_AUTHENTICATION_STRENGTH: offset=dissect_ber_octet_string_wcb(implicit_tag, actx, tree, tvb, offset, hf_index, dissect_kerberos_PA_AUTHENTICATION_SET_ELEM); break; case KERBEROS_AD_GSS_API_ETYPE_NEGOTIATION: offset=dissect_ber_octet_string_wcb(implicit_tag, actx, tree, tvb, offset, hf_index, dissect_kerberos_SEQUENCE_OF_ENCTYPE); break; case KERBEROS_AD_TOKEN_RESTRICTIONS: offset=dissect_ber_octet_string_wcb(implicit_tag, actx, tree, tvb, offset, hf_index, dissect_kerberos_KERB_AD_RESTRICTION_ENTRY); break; case KERBEROS_AD_AP_OPTIONS: offset=dissect_ber_octet_string_wcb(implicit_tag, actx, tree, tvb, offset, hf_index, dissect_kerberos_AD_AP_OPTIONS); break; case KERBEROS_AD_TARGET_PRINCIPAL: offset=dissect_ber_octet_string_wcb(implicit_tag, actx, tree, tvb, offset, hf_index, dissect_kerberos_AD_TARGET_PRINCIPAL); break; default: offset=dissect_ber_octet_string(implicit_tag, actx, tree, tvb, offset, hf_index, NULL); break; } return offset; } static const ber_sequence_t AuthorizationData_item_sequence[] = { { &hf_kerberos_ad_type , BER_CLASS_CON, 0, 0, dissect_kerberos_AUTHDATA_TYPE }, { &hf_kerberos_ad_data , BER_CLASS_CON, 1, 0, dissect_kerberos_T_ad_data }, { NULL, 0, 0, 0, NULL } }; static int dissect_kerberos_AuthorizationData_item(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset, AuthorizationData_item_sequence, hf_index, ett_kerberos_AuthorizationData_item); return offset; } static const ber_sequence_t AuthorizationData_sequence_of[1] = { { &hf_kerberos_AuthorizationData_item, BER_CLASS_UNI, BER_UNI_TAG_SEQUENCE, BER_FLAGS_NOOWNTAG, dissect_kerberos_AuthorizationData_item }, }; static int dissect_kerberos_AuthorizationData(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_sequence_of(implicit_tag, actx, tree, tvb, offset, AuthorizationData_sequence_of, hf_index, ett_kerberos_AuthorizationData); return offset; } static const ber_sequence_t Authenticator_U_sequence[] = { { &hf_kerberos_authenticator_vno, BER_CLASS_CON, 0, 0, dissect_kerberos_INTEGER_5 }, { &hf_kerberos_crealm , BER_CLASS_CON, 1, 0, dissect_kerberos_Realm }, { &hf_kerberos_cname , BER_CLASS_CON, 2, 0, dissect_kerberos_CName }, { &hf_kerberos_cksum , BER_CLASS_CON, 3, BER_FLAGS_OPTIONAL, dissect_kerberos_Checksum }, { &hf_kerberos_cusec , BER_CLASS_CON, 4, 0, dissect_kerberos_Microseconds }, { &hf_kerberos_ctime , BER_CLASS_CON, 5, 0, dissect_kerberos_KerberosTime }, { &hf_kerberos_authenticator_subkey, BER_CLASS_CON, 6, BER_FLAGS_OPTIONAL, dissect_kerberos_T_authenticator_subkey }, { &hf_kerberos_seq_number , BER_CLASS_CON, 7, BER_FLAGS_OPTIONAL, dissect_kerberos_UInt32 }, { &hf_kerberos_authorization_data, BER_CLASS_CON, 8, BER_FLAGS_OPTIONAL, dissect_kerberos_AuthorizationData }, { NULL, 0, 0, 0, NULL } }; static int dissect_kerberos_Authenticator_U(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset, Authenticator_U_sequence, hf_index, ett_kerberos_Authenticator_U); return offset; } static int dissect_kerberos_Authenticator(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_tagged_type(implicit_tag, actx, tree, tvb, offset, hf_index, BER_CLASS_APP, 2, FALSE, dissect_kerberos_Authenticator_U); return offset; } static int * const TicketFlags_bits[] = { &hf_kerberos_TicketFlags_reserved, &hf_kerberos_TicketFlags_forwardable, &hf_kerberos_TicketFlags_forwarded, &hf_kerberos_TicketFlags_proxiable, &hf_kerberos_TicketFlags_proxy, &hf_kerberos_TicketFlags_may_postdate, &hf_kerberos_TicketFlags_postdated, &hf_kerberos_TicketFlags_invalid, &hf_kerberos_TicketFlags_renewable, &hf_kerberos_TicketFlags_initial, &hf_kerberos_TicketFlags_pre_authent, &hf_kerberos_TicketFlags_hw_authent, &hf_kerberos_TicketFlags_transited_policy_checked, &hf_kerberos_TicketFlags_ok_as_delegate, &hf_kerberos_TicketFlags_unused, &hf_kerberos_TicketFlags_enc_pa_rep, &hf_kerberos_TicketFlags_anonymous, NULL }; static int dissect_kerberos_TicketFlags(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_bitstring(implicit_tag, actx, tree, tvb, offset, TicketFlags_bits, 17, hf_index, ett_kerberos_TicketFlags, NULL); return offset; } static int dissect_kerberos_T_encTicketPart_key(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { kerberos_private_data_t *private_data = kerberos_get_private_data(actx); gint save_encryption_key_parent_hf_index = private_data->save_encryption_key_parent_hf_index; kerberos_key_save_fn saved_encryption_key_fn = private_data->save_encryption_key_fn; private_data->save_encryption_key_parent_hf_index = hf_kerberos_encTicketPart; #ifdef HAVE_KERBEROS private_data->save_encryption_key_fn = save_EncTicketPart_key; #endif offset = dissect_kerberos_EncryptionKey(implicit_tag, tvb, offset, actx, tree, hf_index); private_data->save_encryption_key_parent_hf_index = save_encryption_key_parent_hf_index; private_data->save_encryption_key_fn = saved_encryption_key_fn; return offset; } static int dissect_kerberos_OCTET_STRING(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_octet_string(implicit_tag, actx, tree, tvb, offset, hf_index, NULL); return offset; } static const ber_sequence_t TransitedEncoding_sequence[] = { { &hf_kerberos_tr_type , BER_CLASS_CON, 0, 0, dissect_kerberos_Int32 }, { &hf_kerberos_contents , BER_CLASS_CON, 1, 0, dissect_kerberos_OCTET_STRING }, { NULL, 0, 0, 0, NULL } }; static int dissect_kerberos_TransitedEncoding(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset, TransitedEncoding_sequence, hf_index, ett_kerberos_TransitedEncoding); return offset; } static const value_string kerberos_ADDR_TYPE_vals[] = { { KERBEROS_ADDR_TYPE_IPV4, "iPv4" }, { KERBEROS_ADDR_TYPE_CHAOS, "cHAOS" }, { KERBEROS_ADDR_TYPE_XEROX, "xEROX" }, { KERBEROS_ADDR_TYPE_ISO, "iSO" }, { KERBEROS_ADDR_TYPE_DECNET, "dECNET" }, { KERBEROS_ADDR_TYPE_APPLETALK, "aPPLETALK" }, { KERBEROS_ADDR_TYPE_NETBIOS, "nETBIOS" }, { KERBEROS_ADDR_TYPE_IPV6, "iPv6" }, { 0, NULL } }; static int dissect_kerberos_ADDR_TYPE(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { kerberos_private_data_t *private_data = kerberos_get_private_data(actx); offset = dissect_ber_integer(implicit_tag, actx, tree, tvb, offset, hf_index, &(private_data->addr_type)); return offset; } static int dissect_kerberos_T_address(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { gint8 appclass; bool pc; gint32 tag; guint32 len; const char *address_str; proto_item *it=NULL; kerberos_private_data_t *private_data = kerberos_get_private_data(actx); /* read header and len for the octet string */ offset=dissect_ber_identifier(actx->pinfo, tree, tvb, offset, &appclass, &pc, &tag); offset=dissect_ber_length(actx->pinfo, tree, tvb, offset, &len, NULL); switch(private_data->addr_type){ case KERBEROS_ADDR_TYPE_IPV4: it=proto_tree_add_item(tree, hf_krb_address_ip, tvb, offset, 4, ENC_BIG_ENDIAN); address_str = tvb_ip_to_str(actx->pinfo->pool, tvb, offset); break; case KERBEROS_ADDR_TYPE_NETBIOS: { char netbios_name[(NETBIOS_NAME_LEN - 1)*4 + 1]; int netbios_name_type; int netbios_name_len = (NETBIOS_NAME_LEN - 1)*4 + 1; netbios_name_type = process_netbios_name(tvb_get_ptr(tvb, offset, 16), netbios_name, netbios_name_len); address_str = wmem_strdup_printf(actx->pinfo->pool, "%s<%02x>", netbios_name, netbios_name_type); it=proto_tree_add_string_format(tree, hf_krb_address_netbios, tvb, offset, 16, netbios_name, "NetBIOS Name: %s (%s)", address_str, netbios_name_type_descr(netbios_name_type)); } break; case KERBEROS_ADDR_TYPE_IPV6: it=proto_tree_add_item(tree, hf_krb_address_ipv6, tvb, offset, INET6_ADDRLEN, ENC_NA); address_str = tvb_ip6_to_str(actx->pinfo->pool, tvb, offset); break; default: proto_tree_add_expert(tree, actx->pinfo, &ei_kerberos_address, tvb, offset, len); address_str = NULL; break; } /* push it up two levels in the decode pane */ if(it && address_str){ proto_item_append_text(proto_item_get_parent(it), " %s",address_str); proto_item_append_text(proto_item_get_parent_nth(it, 2), " %s",address_str); } offset+=len; return offset; } static const ber_sequence_t HostAddress_sequence[] = { { &hf_kerberos_addr_type , BER_CLASS_CON, 0, 0, dissect_kerberos_ADDR_TYPE }, { &hf_kerberos_address , BER_CLASS_CON, 1, 0, dissect_kerberos_T_address }, { NULL, 0, 0, 0, NULL } }; static int dissect_kerberos_HostAddress(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset, HostAddress_sequence, hf_index, ett_kerberos_HostAddress); return offset; } static const ber_sequence_t HostAddresses_sequence_of[1] = { { &hf_kerberos_HostAddresses_item, BER_CLASS_UNI, BER_UNI_TAG_SEQUENCE, BER_FLAGS_NOOWNTAG, dissect_kerberos_HostAddress }, }; static int dissect_kerberos_HostAddresses(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_sequence_of(implicit_tag, actx, tree, tvb, offset, HostAddresses_sequence_of, hf_index, ett_kerberos_HostAddresses); return offset; } static const ber_sequence_t EncTicketPart_U_sequence[] = { { &hf_kerberos_flags , BER_CLASS_CON, 0, 0, dissect_kerberos_TicketFlags }, { &hf_kerberos_encTicketPart_key, BER_CLASS_CON, 1, 0, dissect_kerberos_T_encTicketPart_key }, { &hf_kerberos_crealm , BER_CLASS_CON, 2, 0, dissect_kerberos_Realm }, { &hf_kerberos_cname , BER_CLASS_CON, 3, 0, dissect_kerberos_CName }, { &hf_kerberos_transited , BER_CLASS_CON, 4, 0, dissect_kerberos_TransitedEncoding }, { &hf_kerberos_authtime , BER_CLASS_CON, 5, 0, dissect_kerberos_KerberosTime }, { &hf_kerberos_starttime , BER_CLASS_CON, 6, BER_FLAGS_OPTIONAL, dissect_kerberos_KerberosTime }, { &hf_kerberos_endtime , BER_CLASS_CON, 7, 0, dissect_kerberos_KerberosTime }, { &hf_kerberos_renew_till , BER_CLASS_CON, 8, BER_FLAGS_OPTIONAL, dissect_kerberos_KerberosTime }, { &hf_kerberos_caddr , BER_CLASS_CON, 9, BER_FLAGS_OPTIONAL, dissect_kerberos_HostAddresses }, { &hf_kerberos_authorization_data, BER_CLASS_CON, 10, BER_FLAGS_OPTIONAL, dissect_kerberos_AuthorizationData }, { NULL, 0, 0, 0, NULL } }; static int dissect_kerberos_EncTicketPart_U(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset, EncTicketPart_U_sequence, hf_index, ett_kerberos_EncTicketPart_U); return offset; } static int dissect_kerberos_EncTicketPart(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_tagged_type(implicit_tag, actx, tree, tvb, offset, hf_index, BER_CLASS_APP, 3, FALSE, dissect_kerberos_EncTicketPart_U); return offset; } static const value_string kerberos_MESSAGE_TYPE_vals[] = { { 10, "krb-as-req" }, { 11, "krb-as-rep" }, { 12, "krb-tgs-req" }, { 13, "krb-tgs-rep" }, { 14, "krb-ap-req" }, { 15, "krb-ap-rep" }, { 16, "krb-tgt-req" }, { 17, "krb-tgt-rep" }, { 20, "krb-safe" }, { 21, "krb-priv" }, { 22, "krb-cred" }, { 30, "krb-error" }, { 0, NULL } }; static int dissect_kerberos_MESSAGE_TYPE(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { kerberos_private_data_t *private_data = kerberos_get_private_data(actx); guint32 msgtype; offset = dissect_ber_integer(implicit_tag, actx, tree, tvb, offset, hf_index, &msgtype); if (gbl_do_col_info) { col_add_str(actx->pinfo->cinfo, COL_INFO, val_to_str(msgtype, krb5_msg_types, "Unknown msg type %#x")); } gbl_do_col_info=FALSE; #if 0 /* append the application type to the tree */ proto_item_append_text(tree, " %s", val_to_str(msgtype, krb5_msg_types, "Unknown:0x%x")); #endif if (private_data->msg_type == 0) { private_data->msg_type = msgtype; } return offset; } static const value_string kerberos_PADATA_TYPE_vals[] = { { KERBEROS_PA_NONE, "pA-NONE" }, { KERBEROS_PA_TGS_REQ, "pA-TGS-REQ" }, { KERBEROS_PA_ENC_TIMESTAMP, "pA-ENC-TIMESTAMP" }, { KERBEROS_PA_PW_SALT, "pA-PW-SALT" }, { KERBEROS_PA_ENC_UNIX_TIME, "pA-ENC-UNIX-TIME" }, { KERBEROS_PA_SANDIA_SECUREID, "pA-SANDIA-SECUREID" }, { KERBEROS_PA_SESAME, "pA-SESAME" }, { KERBEROS_PA_OSF_DCE, "pA-OSF-DCE" }, { KERBEROS_PA_CYBERSAFE_SECUREID, "pA-CYBERSAFE-SECUREID" }, { KERBEROS_PA_AFS3_SALT, "pA-AFS3-SALT" }, { KERBEROS_PA_ETYPE_INFO, "pA-ETYPE-INFO" }, { KERBEROS_PA_SAM_CHALLENGE, "pA-SAM-CHALLENGE" }, { KERBEROS_PA_SAM_RESPONSE, "pA-SAM-RESPONSE" }, { KERBEROS_PA_PK_AS_REQ_19, "pA-PK-AS-REQ-19" }, { KERBEROS_PA_PK_AS_REP_19, "pA-PK-AS-REP-19" }, { KERBEROS_PA_PK_AS_REQ, "pA-PK-AS-REQ" }, { KERBEROS_PA_PK_AS_REP, "pA-PK-AS-REP" }, { KERBEROS_PA_PK_OCSP_RESPONSE, "pA-PK-OCSP-RESPONSE" }, { KERBEROS_PA_ETYPE_INFO2, "pA-ETYPE-INFO2" }, { KERBEROS_PA_USE_SPECIFIED_KVNO, "pA-USE-SPECIFIED-KVNO" }, { KERBEROS_PA_SAM_REDIRECT, "pA-SAM-REDIRECT" }, { KERBEROS_PA_GET_FROM_TYPED_DATA, "pA-GET-FROM-TYPED-DATA" }, { KERBEROS_TD_PADATA, "tD-PADATA" }, { KERBEROS_PA_SAM_ETYPE_INFO, "pA-SAM-ETYPE-INFO" }, { KERBEROS_PA_ALT_PRINC, "pA-ALT-PRINC" }, { KERBEROS_PA_SERVER_REFERRAL, "pA-SERVER-REFERRAL" }, { KERBEROS_PA_SAM_CHALLENGE2, "pA-SAM-CHALLENGE2" }, { KERBEROS_PA_SAM_RESPONSE2, "pA-SAM-RESPONSE2" }, { KERBEROS_PA_EXTRA_TGT, "pA-EXTRA-TGT" }, { KERBEROS_TD_PKINIT_CMS_CERTIFICATES, "tD-PKINIT-CMS-CERTIFICATES" }, { KERBEROS_TD_KRB_PRINCIPAL, "tD-KRB-PRINCIPAL" }, { KERBEROS_TD_KRB_REALM, "tD-KRB-REALM" }, { KERBEROS_TD_TRUSTED_CERTIFIERS, "tD-TRUSTED-CERTIFIERS" }, { KERBEROS_TD_CERTIFICATE_INDEX, "tD-CERTIFICATE-INDEX" }, { KERBEROS_TD_APP_DEFINED_ERROR, "tD-APP-DEFINED-ERROR" }, { KERBEROS_TD_REQ_NONCE, "tD-REQ-NONCE" }, { KERBEROS_TD_REQ_SEQ, "tD-REQ-SEQ" }, { KERBEROS_TD_DH_PARAMETERS, "tD-DH-PARAMETERS" }, { KERBEROS_TD_CMS_DIGEST_ALGORITHMS, "tD-CMS-DIGEST-ALGORITHMS" }, { KERBEROS_TD_CERT_DIGEST_ALGORITHMS, "tD-CERT-DIGEST-ALGORITHMS" }, { KERBEROS_PA_PAC_REQUEST, "pA-PAC-REQUEST" }, { KERBEROS_PA_FOR_USER, "pA-FOR-USER" }, { KERBEROS_PA_FOR_X509_USER, "pA-FOR-X509-USER" }, { KERBEROS_PA_FOR_CHECK_DUPS, "pA-FOR-CHECK-DUPS" }, { KERBEROS_PA_PK_AS_09_BINDING, "pA-PK-AS-09-BINDING" }, { KERBEROS_PA_FX_COOKIE, "pA-FX-COOKIE" }, { KERBEROS_PA_AUTHENTICATION_SET, "pA-AUTHENTICATION-SET" }, { KERBEROS_PA_AUTH_SET_SELECTED, "pA-AUTH-SET-SELECTED" }, { KERBEROS_PA_FX_FAST, "pA-FX-FAST" }, { KERBEROS_PA_FX_ERROR, "pA-FX-ERROR" }, { KERBEROS_PA_ENCRYPTED_CHALLENGE, "pA-ENCRYPTED-CHALLENGE" }, { KERBEROS_PA_OTP_CHALLENGE, "pA-OTP-CHALLENGE" }, { KERBEROS_PA_OTP_REQUEST, "pA-OTP-REQUEST" }, { KERBEROS_PA_OTP_CONFIRM, "pA-OTP-CONFIRM" }, { KERBEROS_PA_OTP_PIN_CHANGE, "pA-OTP-PIN-CHANGE" }, { KERBEROS_PA_EPAK_AS_REQ, "pA-EPAK-AS-REQ" }, { KERBEROS_PA_EPAK_AS_REP, "pA-EPAK-AS-REP" }, { KERBEROS_PA_PKINIT_KX, "pA-PKINIT-KX" }, { KERBEROS_PA_PKU2U_NAME, "pA-PKU2U-NAME" }, { KERBEROS_PA_REQ_ENC_PA_REP, "pA-REQ-ENC-PA-REP" }, { KERBEROS_PA_AS_FRESHNESS, "pA-AS-FRESHNESS" }, { KERBEROS_PA_SPAKE, "pA-SPAKE" }, { KERBEROS_PA_REDHAT_IDP_OAUTH2, "pA-REDHAT-IDP-OAUTH2" }, { KERBEROS_PA_REDHAT_PASSKEY, "pA-REDHAT-PASSKEY" }, { KERBEROS_PA_KERB_KEY_LIST_REQ, "pA-KERB-KEY-LIST-REQ" }, { KERBEROS_PA_KERB_KEY_LIST_REP, "pA-KERB-KEY-LIST-REP" }, { KERBEROS_PA_SUPPORTED_ETYPES, "pA-SUPPORTED-ETYPES" }, { KERBEROS_PA_EXTENDED_ERROR, "pA-EXTENDED-ERROR" }, { KERBEROS_PA_PAC_OPTIONS, "pA-PAC-OPTIONS" }, { KERBEROS_PA_PROV_SRV_LOCATION, "pA-PROV-SRV-LOCATION" }, { 0, NULL } }; static int dissect_kerberos_PADATA_TYPE(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { kerberos_private_data_t* private_data = kerberos_get_private_data(actx); offset = dissect_ber_integer(implicit_tag, actx, tree, tvb, offset, hf_index, &(private_data->padata_type)); if(tree){ proto_item_append_text(tree, " %s", val_to_str(private_data->padata_type, kerberos_PADATA_TYPE_vals, "Unknown:%d")); } return offset; } static int dissect_kerberos_T_padata_value(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { proto_tree *sub_tree=tree; kerberos_private_data_t* private_data = kerberos_get_private_data(actx); if(actx->created_item){ sub_tree=proto_item_add_subtree(actx->created_item, ett_kerberos_PA_DATA); } switch(private_data->padata_type){ case KERBEROS_PA_TGS_REQ: private_data->within_PA_TGS_REQ++; offset=dissect_ber_octet_string_wcb(FALSE, actx, sub_tree, tvb, offset,hf_index, dissect_kerberos_Applications); private_data->within_PA_TGS_REQ--; break; case KERBEROS_PA_PK_AS_REP_19: private_data->is_win2k_pkinit = TRUE; if (kerberos_private_is_kdc_req(private_data)) { offset=dissect_ber_octet_string_wcb(FALSE, actx, sub_tree, tvb, offset,hf_index, dissect_pkinit_PA_PK_AS_REQ_Win2k); } else { offset=dissect_ber_octet_string_wcb(FALSE, actx, sub_tree, tvb, offset,hf_index, dissect_pkinit_PA_PK_AS_REP_Win2k); } break; case KERBEROS_PA_PK_AS_REQ: offset=dissect_ber_octet_string_wcb(FALSE, actx, sub_tree, tvb, offset,hf_index, dissect_pkinit_PaPkAsReq); break; case KERBEROS_PA_PK_AS_REP: offset=dissect_ber_octet_string_wcb(FALSE, actx, sub_tree, tvb, offset,hf_index, dissect_pkinit_PaPkAsRep); break; case KERBEROS_PA_PAC_REQUEST: offset=dissect_ber_octet_string_wcb(FALSE, actx, sub_tree, tvb, offset,hf_index, dissect_kerberos_PA_PAC_REQUEST); break; case KERBEROS_PA_FOR_USER: /* S4U2SELF */ offset=dissect_ber_octet_string_wcb(FALSE, actx, sub_tree, tvb, offset,hf_index, dissect_kerberos_PA_S4U2Self); break; case KERBEROS_PA_FOR_X509_USER: if(private_data->msg_type == KRB5_MSG_AS_REQ){ offset=dissect_ber_octet_string_wcb(FALSE, actx, sub_tree, tvb, offset,hf_index, dissect_x509af_Certificate); }else if(private_data->is_enc_padata){ offset=dissect_ber_octet_string_wcb(FALSE, actx, sub_tree, tvb, offset,hf_index, NULL); }else{ offset=dissect_ber_octet_string_wcb(FALSE, actx, sub_tree, tvb, offset,hf_index, dissect_kerberos_PA_S4U_X509_USER); } break; case KERBEROS_PA_PROV_SRV_LOCATION: offset=dissect_ber_octet_string_wcb(FALSE, actx, sub_tree, tvb, offset,hf_index, dissect_krb5_PA_PROV_SRV_LOCATION); break; case KERBEROS_PA_ENC_TIMESTAMP: offset=dissect_ber_octet_string_wcb(FALSE, actx, sub_tree, tvb, offset,hf_index, dissect_kerberos_PA_ENC_TIMESTAMP); break; case KERBEROS_PA_ETYPE_INFO: offset=dissect_ber_octet_string_wcb(FALSE, actx, sub_tree, tvb, offset,hf_index, dissect_kerberos_ETYPE_INFO); break; case KERBEROS_PA_ETYPE_INFO2: offset=dissect_ber_octet_string_wcb(FALSE, actx, sub_tree, tvb, offset,hf_index, dissect_kerberos_ETYPE_INFO2); break; case KERBEROS_PA_PW_SALT: offset=dissect_ber_octet_string_wcb(FALSE, actx, sub_tree, tvb, offset,hf_index, dissect_krb5_PW_SALT); break; case KERBEROS_PA_AUTH_SET_SELECTED: offset=dissect_ber_octet_string_wcb(FALSE, actx, sub_tree, tvb, offset,hf_index, dissect_kerberos_PA_AUTHENTICATION_SET_ELEM); break; case KERBEROS_PA_FX_FAST: if (kerberos_private_is_kdc_req(private_data)) { offset=dissect_ber_octet_string_wcb(FALSE, actx, sub_tree, tvb, offset,hf_index, dissect_kerberos_defer_PA_FX_FAST_REQUEST); }else{ offset=dissect_ber_octet_string_wcb(FALSE, actx, sub_tree, tvb, offset,hf_index, dissect_kerberos_PA_FX_FAST_REPLY); } break; case KERBEROS_PA_FX_ERROR: offset=dissect_ber_octet_string_wcb(FALSE, actx, sub_tree, tvb, offset,hf_index, dissect_kerberos_Applications); break; case KERBEROS_PA_ENCRYPTED_CHALLENGE: offset=dissect_ber_octet_string_wcb(FALSE, actx, sub_tree, tvb, offset,hf_index, dissect_kerberos_EncryptedChallenge); break; case KERBEROS_PA_KERB_KEY_LIST_REQ: offset=dissect_ber_octet_string_wcb(FALSE, actx, sub_tree, tvb, offset, hf_index, dissect_kerberos_PA_KERB_KEY_LIST_REQ); break; case KERBEROS_PA_KERB_KEY_LIST_REP: offset=dissect_ber_octet_string_wcb(FALSE, actx, sub_tree, tvb, offset, hf_index, dissect_kerberos_PA_KERB_KEY_LIST_REP); break; case KERBEROS_PA_SUPPORTED_ETYPES: offset=dissect_ber_octet_string_wcb(FALSE, actx, sub_tree, tvb, offset,hf_index, dissect_kerberos_PA_SUPPORTED_ENCTYPES); break; case KERBEROS_PA_PAC_OPTIONS: offset=dissect_ber_octet_string_wcb(FALSE, actx, sub_tree, tvb, offset, hf_index, dissect_kerberos_PA_PAC_OPTIONS); break; case KERBEROS_PA_REQ_ENC_PA_REP: offset=dissect_ber_octet_string_wcb(FALSE, actx, sub_tree, tvb, offset,hf_index, dissect_kerberos_Checksum); break; case KERBEROS_PA_SPAKE: offset=dissect_ber_octet_string_wcb(FALSE, actx, sub_tree, tvb, offset,hf_index, dissect_kerberos_PA_SPAKE); break; default: offset=dissect_ber_octet_string_wcb(FALSE, actx, sub_tree, tvb, offset,hf_index, NULL); break; } return offset; } static const ber_sequence_t PA_DATA_sequence[] = { { &hf_kerberos_padata_type, BER_CLASS_CON, 1, 0, dissect_kerberos_PADATA_TYPE }, { &hf_kerberos_padata_value, BER_CLASS_CON, 2, 0, dissect_kerberos_T_padata_value }, { NULL, 0, 0, 0, NULL } }; static int dissect_kerberos_PA_DATA(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset, PA_DATA_sequence, hf_index, ett_kerberos_PA_DATA); return offset; } static const ber_sequence_t T_rEQ_SEQUENCE_OF_PA_DATA_sequence_of[1] = { { &hf_kerberos_rEQ_SEQUENCE_OF_PA_DATA_item, BER_CLASS_UNI, BER_UNI_TAG_SEQUENCE, BER_FLAGS_NOOWNTAG, dissect_kerberos_PA_DATA }, }; static int dissect_kerberos_T_rEQ_SEQUENCE_OF_PA_DATA(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { kerberos_private_data_t* private_data = kerberos_get_private_data(actx); struct _kerberos_PA_FX_FAST_REQUEST saved_stack = private_data->PA_FX_FAST_REQUEST; /* * we need to defer calling dissect_kerberos_PA_FX_FAST_REQUEST, * see dissect_kerberos_defer_PA_FX_FAST_REQUEST() */ private_data->PA_FX_FAST_REQUEST = (struct _kerberos_PA_FX_FAST_REQUEST) { .defer = TRUE, }; offset = dissect_ber_sequence_of(implicit_tag, actx, tree, tvb, offset, T_rEQ_SEQUENCE_OF_PA_DATA_sequence_of, hf_index, ett_kerberos_T_rEQ_SEQUENCE_OF_PA_DATA); if (private_data->PA_FX_FAST_REQUEST.tvb != NULL) { struct _kerberos_PA_FX_FAST_REQUEST used_stack = private_data->PA_FX_FAST_REQUEST; private_data->PA_FX_FAST_REQUEST = (struct _kerberos_PA_FX_FAST_REQUEST) { .defer = FALSE, }; /* * dissect_kerberos_defer_PA_FX_FAST_REQUEST() remembered * a tvb, so replay dissect_kerberos_PA_FX_FAST_REQUEST() * here. */ dissect_kerberos_PA_FX_FAST_REQUEST(FALSE, used_stack.tvb, 0, actx, used_stack.tree, -1); } private_data->PA_FX_FAST_REQUEST = saved_stack; return offset; } static int * const KDCOptions_bits[] = { &hf_kerberos_KDCOptions_reserved, &hf_kerberos_KDCOptions_forwardable, &hf_kerberos_KDCOptions_forwarded, &hf_kerberos_KDCOptions_proxiable, &hf_kerberos_KDCOptions_proxy, &hf_kerberos_KDCOptions_allow_postdate, &hf_kerberos_KDCOptions_postdated, &hf_kerberos_KDCOptions_unused7, &hf_kerberos_KDCOptions_renewable, &hf_kerberos_KDCOptions_unused9, &hf_kerberos_KDCOptions_unused10, &hf_kerberos_KDCOptions_opt_hardware_auth, &hf_kerberos_KDCOptions_unused12, &hf_kerberos_KDCOptions_unused13, &hf_kerberos_KDCOptions_constrained_delegation, &hf_kerberos_KDCOptions_canonicalize, &hf_kerberos_KDCOptions_request_anonymous, &hf_kerberos_KDCOptions_unused17, &hf_kerberos_KDCOptions_unused18, &hf_kerberos_KDCOptions_unused19, &hf_kerberos_KDCOptions_unused20, &hf_kerberos_KDCOptions_unused21, &hf_kerberos_KDCOptions_unused22, &hf_kerberos_KDCOptions_unused23, &hf_kerberos_KDCOptions_unused24, &hf_kerberos_KDCOptions_unused25, &hf_kerberos_KDCOptions_disable_transited_check, &hf_kerberos_KDCOptions_renewable_ok, &hf_kerberos_KDCOptions_enc_tkt_in_skey, &hf_kerberos_KDCOptions_unused29, &hf_kerberos_KDCOptions_renew, &hf_kerberos_KDCOptions_validate, NULL }; static int dissect_kerberos_KDCOptions(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_bitstring(implicit_tag, actx, tree, tvb, offset, KDCOptions_bits, 32, hf_index, ett_kerberos_KDCOptions, NULL); return offset; } static const ber_sequence_t SEQUENCE_OF_ENCTYPE_sequence_of[1] = { { &hf_kerberos_kDC_REQ_BODY_etype_item, BER_CLASS_UNI, BER_UNI_TAG_INTEGER, BER_FLAGS_NOOWNTAG, dissect_kerberos_ENCTYPE }, }; static int dissect_kerberos_SEQUENCE_OF_ENCTYPE(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_sequence_of(implicit_tag, actx, tree, tvb, offset, SEQUENCE_OF_ENCTYPE_sequence_of, hf_index, ett_kerberos_SEQUENCE_OF_ENCTYPE); return offset; } static int dissect_kerberos_T_encryptedAuthorizationData_cipher(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { #ifdef HAVE_KERBEROS offset=dissect_ber_octet_string_wcb(FALSE, actx, tree, tvb, offset, hf_index, dissect_krb5_decrypt_authorization_data); #else offset = dissect_ber_octet_string(implicit_tag, actx, tree, tvb, offset, hf_index, NULL); #endif return offset; } static const ber_sequence_t EncryptedAuthorizationData_sequence[] = { { &hf_kerberos_etype , BER_CLASS_CON, 0, 0, dissect_kerberos_ENCTYPE }, { &hf_kerberos_kvno , BER_CLASS_CON, 1, BER_FLAGS_OPTIONAL, dissect_kerberos_UInt32 }, { &hf_kerberos_encryptedAuthorizationData_cipher, BER_CLASS_CON, 2, 0, dissect_kerberos_T_encryptedAuthorizationData_cipher }, { NULL, 0, 0, 0, NULL } }; static int dissect_kerberos_EncryptedAuthorizationData(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset, EncryptedAuthorizationData_sequence, hf_index, ett_kerberos_EncryptedAuthorizationData); return offset; } static const ber_sequence_t SEQUENCE_OF_Ticket_sequence_of[1] = { { &hf_kerberos_additional_tickets_item, BER_CLASS_APP, 1, BER_FLAGS_NOOWNTAG, dissect_kerberos_Ticket }, }; static int dissect_kerberos_SEQUENCE_OF_Ticket(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_sequence_of(implicit_tag, actx, tree, tvb, offset, SEQUENCE_OF_Ticket_sequence_of, hf_index, ett_kerberos_SEQUENCE_OF_Ticket); return offset; } static const ber_sequence_t KDC_REQ_BODY_sequence[] = { { &hf_kerberos_kdc_options, BER_CLASS_CON, 0, 0, dissect_kerberos_KDCOptions }, { &hf_kerberos_cname , BER_CLASS_CON, 1, BER_FLAGS_OPTIONAL, dissect_kerberos_CName }, { &hf_kerberos_realm , BER_CLASS_CON, 2, 0, dissect_kerberos_Realm }, { &hf_kerberos_sname , BER_CLASS_CON, 3, BER_FLAGS_OPTIONAL, dissect_kerberos_SName }, { &hf_kerberos_from , BER_CLASS_CON, 4, BER_FLAGS_OPTIONAL, dissect_kerberos_KerberosTime }, { &hf_kerberos_till , BER_CLASS_CON, 5, BER_FLAGS_OPTIONAL, dissect_kerberos_KerberosTime }, { &hf_kerberos_rtime , BER_CLASS_CON, 6, BER_FLAGS_OPTIONAL, dissect_kerberos_KerberosTime }, { &hf_kerberos_nonce , BER_CLASS_CON, 7, 0, dissect_kerberos_UInt32 }, { &hf_kerberos_kDC_REQ_BODY_etype, BER_CLASS_CON, 8, 0, dissect_kerberos_SEQUENCE_OF_ENCTYPE }, { &hf_kerberos_addresses , BER_CLASS_CON, 9, BER_FLAGS_OPTIONAL, dissect_kerberos_HostAddresses }, { &hf_kerberos_enc_authorization_data, BER_CLASS_CON, 10, BER_FLAGS_OPTIONAL, dissect_kerberos_EncryptedAuthorizationData }, { &hf_kerberos_additional_tickets, BER_CLASS_CON, 11, BER_FLAGS_OPTIONAL, dissect_kerberos_SEQUENCE_OF_Ticket }, { NULL, 0, 0, 0, NULL } }; static int dissect_kerberos_KDC_REQ_BODY(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { conversation_t *conversation; /* * UDP replies to KDC_REQs are sent from the server back to the client's * source port, similar to the way TFTP works. Set up a conversation * accordingly. * * Ref: Section 7.2.1 of * http://www.ietf.org/internet-drafts/draft-ietf-krb-wg-kerberos-clarifications-07.txt */ if (actx->pinfo->destport == UDP_PORT_KERBEROS && actx->pinfo->ptype == PT_UDP) { conversation = find_conversation(actx->pinfo->num, &actx->pinfo->src, &actx->pinfo->dst, CONVERSATION_UDP, actx->pinfo->srcport, 0, NO_PORT_B); if (conversation == NULL) { conversation = conversation_new(actx->pinfo->num, &actx->pinfo->src, &actx->pinfo->dst, CONVERSATION_UDP, actx->pinfo->srcport, 0, NO_PORT2); conversation_set_dissector(conversation, kerberos_handle_udp); } } offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset, KDC_REQ_BODY_sequence, hf_index, ett_kerberos_KDC_REQ_BODY); return offset; } static const ber_sequence_t KDC_REQ_sequence[] = { { &hf_kerberos_pvno , BER_CLASS_CON, 1, 0, dissect_kerberos_INTEGER_5 }, { &hf_kerberos_msg_type , BER_CLASS_CON, 2, 0, dissect_kerberos_MESSAGE_TYPE }, { &hf_kerberos_rEQ_SEQUENCE_OF_PA_DATA, BER_CLASS_CON, 3, BER_FLAGS_OPTIONAL, dissect_kerberos_T_rEQ_SEQUENCE_OF_PA_DATA }, { &hf_kerberos_req_body , BER_CLASS_CON, 4, 0, dissect_kerberos_KDC_REQ_BODY }, { NULL, 0, 0, 0, NULL } }; static int dissect_kerberos_KDC_REQ(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset, KDC_REQ_sequence, hf_index, ett_kerberos_KDC_REQ); return offset; } static int dissect_kerberos_AS_REQ(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_tagged_type(implicit_tag, actx, tree, tvb, offset, hf_index, BER_CLASS_APP, 10, FALSE, dissect_kerberos_KDC_REQ); return offset; } static const ber_sequence_t T_rEP_SEQUENCE_OF_PA_DATA_sequence_of[1] = { { &hf_kerberos_rEP_SEQUENCE_OF_PA_DATA_item, BER_CLASS_UNI, BER_UNI_TAG_SEQUENCE, BER_FLAGS_NOOWNTAG, dissect_kerberos_PA_DATA }, }; static int dissect_kerberos_T_rEP_SEQUENCE_OF_PA_DATA(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_sequence_of(implicit_tag, actx, tree, tvb, offset, T_rEP_SEQUENCE_OF_PA_DATA_sequence_of, hf_index, ett_kerberos_T_rEP_SEQUENCE_OF_PA_DATA); return offset; } static int dissect_kerberos_T_encryptedKDCREPData_cipher(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { #ifdef HAVE_KERBEROS offset=dissect_ber_octet_string_wcb(FALSE, actx, tree, tvb, offset, hf_index, dissect_krb5_decrypt_KDC_REP_data); #else offset = dissect_ber_octet_string(implicit_tag, actx, tree, tvb, offset, hf_index, NULL); #endif return offset; } static const ber_sequence_t EncryptedKDCREPData_sequence[] = { { &hf_kerberos_etype , BER_CLASS_CON, 0, 0, dissect_kerberos_ENCTYPE }, { &hf_kerberos_kvno , BER_CLASS_CON, 1, BER_FLAGS_OPTIONAL, dissect_kerberos_UInt32 }, { &hf_kerberos_encryptedKDCREPData_cipher, BER_CLASS_CON, 2, 0, dissect_kerberos_T_encryptedKDCREPData_cipher }, { NULL, 0, 0, 0, NULL } }; static int dissect_kerberos_EncryptedKDCREPData(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset, EncryptedKDCREPData_sequence, hf_index, ett_kerberos_EncryptedKDCREPData); return offset; } static const ber_sequence_t KDC_REP_sequence[] = { { &hf_kerberos_pvno , BER_CLASS_CON, 0, 0, dissect_kerberos_INTEGER_5 }, { &hf_kerberos_msg_type , BER_CLASS_CON, 1, 0, dissect_kerberos_MESSAGE_TYPE }, { &hf_kerberos_rEP_SEQUENCE_OF_PA_DATA, BER_CLASS_CON, 2, BER_FLAGS_OPTIONAL, dissect_kerberos_T_rEP_SEQUENCE_OF_PA_DATA }, { &hf_kerberos_crealm , BER_CLASS_CON, 3, 0, dissect_kerberos_Realm }, { &hf_kerberos_cname , BER_CLASS_CON, 4, 0, dissect_kerberos_CName }, { &hf_kerberos_ticket , BER_CLASS_CON, 5, 0, dissect_kerberos_Ticket }, { &hf_kerberos_kDC_REP_enc_part, BER_CLASS_CON, 6, 0, dissect_kerberos_EncryptedKDCREPData }, { NULL, 0, 0, 0, NULL } }; static int dissect_kerberos_KDC_REP(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset, KDC_REP_sequence, hf_index, ett_kerberos_KDC_REP); return offset; } static int dissect_kerberos_AS_REP(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_tagged_type(implicit_tag, actx, tree, tvb, offset, hf_index, BER_CLASS_APP, 11, FALSE, dissect_kerberos_KDC_REP); return offset; } static int dissect_kerberos_TGS_REQ(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_tagged_type(implicit_tag, actx, tree, tvb, offset, hf_index, BER_CLASS_APP, 12, FALSE, dissect_kerberos_KDC_REQ); return offset; } static int dissect_kerberos_TGS_REP(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_tagged_type(implicit_tag, actx, tree, tvb, offset, hf_index, BER_CLASS_APP, 13, FALSE, dissect_kerberos_KDC_REP); return offset; } static int * const APOptions_bits[] = { &hf_kerberos_APOptions_reserved, &hf_kerberos_APOptions_use_session_key, &hf_kerberos_APOptions_mutual_required, NULL }; static int dissect_kerberos_APOptions(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_bitstring(implicit_tag, actx, tree, tvb, offset, APOptions_bits, 3, hf_index, ett_kerberos_APOptions, NULL); return offset; } static int dissect_kerberos_T_encryptedAuthenticator_cipher(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { #ifdef HAVE_KERBEROS offset=dissect_ber_octet_string_wcb(FALSE, actx, tree, tvb, offset, hf_index, dissect_krb5_decrypt_authenticator_data); #else offset = dissect_ber_octet_string(implicit_tag, actx, tree, tvb, offset, hf_index, NULL); #endif return offset; } static const ber_sequence_t EncryptedAuthenticator_sequence[] = { { &hf_kerberos_etype , BER_CLASS_CON, 0, 0, dissect_kerberos_ENCTYPE }, { &hf_kerberos_kvno , BER_CLASS_CON, 1, BER_FLAGS_OPTIONAL, dissect_kerberos_UInt32 }, { &hf_kerberos_encryptedAuthenticator_cipher, BER_CLASS_CON, 2, 0, dissect_kerberos_T_encryptedAuthenticator_cipher }, { NULL, 0, 0, 0, NULL } }; static int dissect_kerberos_EncryptedAuthenticator(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset, EncryptedAuthenticator_sequence, hf_index, ett_kerberos_EncryptedAuthenticator); return offset; } static const ber_sequence_t AP_REQ_U_sequence[] = { { &hf_kerberos_pvno , BER_CLASS_CON, 0, 0, dissect_kerberos_INTEGER_5 }, { &hf_kerberos_msg_type , BER_CLASS_CON, 1, 0, dissect_kerberos_MESSAGE_TYPE }, { &hf_kerberos_ap_options , BER_CLASS_CON, 2, 0, dissect_kerberos_APOptions }, { &hf_kerberos_ticket , BER_CLASS_CON, 3, 0, dissect_kerberos_Ticket }, { &hf_kerberos_authenticator_enc_part, BER_CLASS_CON, 4, 0, dissect_kerberos_EncryptedAuthenticator }, { NULL, 0, 0, 0, NULL } }; static int dissect_kerberos_AP_REQ_U(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset, AP_REQ_U_sequence, hf_index, ett_kerberos_AP_REQ_U); return offset; } static int dissect_kerberos_AP_REQ(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_tagged_type(implicit_tag, actx, tree, tvb, offset, hf_index, BER_CLASS_APP, 14, FALSE, dissect_kerberos_AP_REQ_U); return offset; } static int dissect_kerberos_T_encryptedAPREPData_cipher(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { #ifdef HAVE_KERBEROS offset=dissect_ber_octet_string_wcb(FALSE, actx, tree, tvb, offset, hf_index, dissect_krb5_decrypt_AP_REP_data); #else offset = dissect_ber_octet_string(implicit_tag, actx, tree, tvb, offset, hf_index, NULL); #endif return offset; } static const ber_sequence_t EncryptedAPREPData_sequence[] = { { &hf_kerberos_etype , BER_CLASS_CON, 0, 0, dissect_kerberos_ENCTYPE }, { &hf_kerberos_kvno , BER_CLASS_CON, 1, BER_FLAGS_OPTIONAL, dissect_kerberos_UInt32 }, { &hf_kerberos_encryptedAPREPData_cipher, BER_CLASS_CON, 2, 0, dissect_kerberos_T_encryptedAPREPData_cipher }, { NULL, 0, 0, 0, NULL } }; static int dissect_kerberos_EncryptedAPREPData(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset, EncryptedAPREPData_sequence, hf_index, ett_kerberos_EncryptedAPREPData); return offset; } static const ber_sequence_t AP_REP_U_sequence[] = { { &hf_kerberos_pvno , BER_CLASS_CON, 0, 0, dissect_kerberos_INTEGER_5 }, { &hf_kerberos_msg_type , BER_CLASS_CON, 1, 0, dissect_kerberos_MESSAGE_TYPE }, { &hf_kerberos_aP_REP_enc_part, BER_CLASS_CON, 2, 0, dissect_kerberos_EncryptedAPREPData }, { NULL, 0, 0, 0, NULL } }; static int dissect_kerberos_AP_REP_U(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset, AP_REP_U_sequence, hf_index, ett_kerberos_AP_REP_U); return offset; } static int dissect_kerberos_AP_REP(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_tagged_type(implicit_tag, actx, tree, tvb, offset, hf_index, BER_CLASS_APP, 15, FALSE, dissect_kerberos_AP_REP_U); return offset; } static int dissect_kerberos_T_kRB_SAFE_BODY_user_data(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { kerberos_private_data_t* private_data = kerberos_get_private_data(actx); tvbuff_t *new_tvb; offset=dissect_ber_octet_string(FALSE, actx, tree, tvb, offset, hf_index, &new_tvb); if (new_tvb) { call_kerberos_callbacks(actx->pinfo, tree, new_tvb, KRB_CBTAG_SAFE_USER_DATA, private_data->callbacks); } return offset; } static const ber_sequence_t KRB_SAFE_BODY_sequence[] = { { &hf_kerberos_kRB_SAFE_BODY_user_data, BER_CLASS_CON, 0, 0, dissect_kerberos_T_kRB_SAFE_BODY_user_data }, { &hf_kerberos_timestamp , BER_CLASS_CON, 1, BER_FLAGS_OPTIONAL, dissect_kerberos_KerberosTime }, { &hf_kerberos_usec , BER_CLASS_CON, 2, BER_FLAGS_OPTIONAL, dissect_kerberos_Microseconds }, { &hf_kerberos_seq_number , BER_CLASS_CON, 3, BER_FLAGS_OPTIONAL, dissect_kerberos_UInt32 }, { &hf_kerberos_s_address , BER_CLASS_CON, 4, BER_FLAGS_OPTIONAL, dissect_kerberos_HostAddress }, { &hf_kerberos_r_address , BER_CLASS_CON, 5, BER_FLAGS_OPTIONAL, dissect_kerberos_HostAddress }, { NULL, 0, 0, 0, NULL } }; static int dissect_kerberos_KRB_SAFE_BODY(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset, KRB_SAFE_BODY_sequence, hf_index, ett_kerberos_KRB_SAFE_BODY); return offset; } static const ber_sequence_t KRB_SAFE_U_sequence[] = { { &hf_kerberos_pvno , BER_CLASS_CON, 0, 0, dissect_kerberos_INTEGER_5 }, { &hf_kerberos_msg_type , BER_CLASS_CON, 1, 0, dissect_kerberos_MESSAGE_TYPE }, { &hf_kerberos_safe_body , BER_CLASS_CON, 2, 0, dissect_kerberos_KRB_SAFE_BODY }, { &hf_kerberos_cksum , BER_CLASS_CON, 3, 0, dissect_kerberos_Checksum }, { NULL, 0, 0, 0, NULL } }; static int dissect_kerberos_KRB_SAFE_U(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset, KRB_SAFE_U_sequence, hf_index, ett_kerberos_KRB_SAFE_U); return offset; } static int dissect_kerberos_KRB_SAFE(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_tagged_type(implicit_tag, actx, tree, tvb, offset, hf_index, BER_CLASS_APP, 20, FALSE, dissect_kerberos_KRB_SAFE_U); return offset; } static int dissect_kerberos_T_encryptedKrbPrivData_cipher(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { #ifdef HAVE_KERBEROS offset=dissect_ber_octet_string_wcb(FALSE, actx, tree, tvb, offset, hf_index, dissect_krb5_decrypt_PRIV_data); #else offset = dissect_ber_octet_string(implicit_tag, actx, tree, tvb, offset, hf_index, NULL); #endif return offset; } static const ber_sequence_t EncryptedKrbPrivData_sequence[] = { { &hf_kerberos_etype , BER_CLASS_CON, 0, 0, dissect_kerberos_ENCTYPE }, { &hf_kerberos_kvno , BER_CLASS_CON, 1, BER_FLAGS_OPTIONAL, dissect_kerberos_UInt32 }, { &hf_kerberos_encryptedKrbPrivData_cipher, BER_CLASS_CON, 2, 0, dissect_kerberos_T_encryptedKrbPrivData_cipher }, { NULL, 0, 0, 0, NULL } }; static int dissect_kerberos_EncryptedKrbPrivData(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset, EncryptedKrbPrivData_sequence, hf_index, ett_kerberos_EncryptedKrbPrivData); return offset; } static const ber_sequence_t KRB_PRIV_U_sequence[] = { { &hf_kerberos_pvno , BER_CLASS_CON, 0, 0, dissect_kerberos_INTEGER_5 }, { &hf_kerberos_msg_type , BER_CLASS_CON, 1, 0, dissect_kerberos_MESSAGE_TYPE }, { &hf_kerberos_kRB_PRIV_enc_part, BER_CLASS_CON, 3, 0, dissect_kerberos_EncryptedKrbPrivData }, { NULL, 0, 0, 0, NULL } }; static int dissect_kerberos_KRB_PRIV_U(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset, KRB_PRIV_U_sequence, hf_index, ett_kerberos_KRB_PRIV_U); return offset; } static int dissect_kerberos_KRB_PRIV(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_tagged_type(implicit_tag, actx, tree, tvb, offset, hf_index, BER_CLASS_APP, 21, FALSE, dissect_kerberos_KRB_PRIV_U); return offset; } static int dissect_kerberos_T_encryptedKrbCredData_cipher(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { #ifdef HAVE_KERBEROS offset=dissect_ber_octet_string_wcb(FALSE, actx, tree, tvb, offset, hf_index, dissect_krb5_decrypt_CRED_data); #else offset = dissect_ber_octet_string(implicit_tag, actx, tree, tvb, offset, hf_index, NULL); #endif return offset; } static const ber_sequence_t EncryptedKrbCredData_sequence[] = { { &hf_kerberos_etype , BER_CLASS_CON, 0, 0, dissect_kerberos_ENCTYPE }, { &hf_kerberos_kvno , BER_CLASS_CON, 1, BER_FLAGS_OPTIONAL, dissect_kerberos_UInt32 }, { &hf_kerberos_encryptedKrbCredData_cipher, BER_CLASS_CON, 2, 0, dissect_kerberos_T_encryptedKrbCredData_cipher }, { NULL, 0, 0, 0, NULL } }; static int dissect_kerberos_EncryptedKrbCredData(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset, EncryptedKrbCredData_sequence, hf_index, ett_kerberos_EncryptedKrbCredData); return offset; } static const ber_sequence_t KRB_CRED_U_sequence[] = { { &hf_kerberos_pvno , BER_CLASS_CON, 0, 0, dissect_kerberos_INTEGER_5 }, { &hf_kerberos_msg_type , BER_CLASS_CON, 1, 0, dissect_kerberos_MESSAGE_TYPE }, { &hf_kerberos_tickets , BER_CLASS_CON, 2, 0, dissect_kerberos_SEQUENCE_OF_Ticket }, { &hf_kerberos_kRB_CRED_enc_part, BER_CLASS_CON, 3, 0, dissect_kerberos_EncryptedKrbCredData }, { NULL, 0, 0, 0, NULL } }; static int dissect_kerberos_KRB_CRED_U(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset, KRB_CRED_U_sequence, hf_index, ett_kerberos_KRB_CRED_U); return offset; } static int dissect_kerberos_KRB_CRED(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_tagged_type(implicit_tag, actx, tree, tvb, offset, hf_index, BER_CLASS_APP, 22, FALSE, dissect_kerberos_KRB_CRED_U); return offset; } static int dissect_kerberos_T_encKDCRepPart_key(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { kerberos_private_data_t *private_data = kerberos_get_private_data(actx); gint save_encryption_key_parent_hf_index = private_data->save_encryption_key_parent_hf_index; kerberos_key_save_fn saved_encryption_key_fn = private_data->save_encryption_key_fn; switch (private_data->msg_type) { case KERBEROS_APPLICATIONS_AS_REP: private_data->save_encryption_key_parent_hf_index = hf_kerberos_encASRepPart; break; case KERBEROS_APPLICATIONS_TGS_REP: private_data->save_encryption_key_parent_hf_index = hf_kerberos_encTGSRepPart; break; default: private_data->save_encryption_key_parent_hf_index = -1; } #ifdef HAVE_KERBEROS private_data->save_encryption_key_fn = save_EncKDCRepPart_key; #endif offset = dissect_kerberos_EncryptionKey(implicit_tag, tvb, offset, actx, tree, hf_index); private_data->save_encryption_key_parent_hf_index = save_encryption_key_parent_hf_index; private_data->save_encryption_key_fn = saved_encryption_key_fn; return offset; } static const value_string kerberos_LR_TYPE_vals[] = { { 0, "lR-NONE" }, { 1, "lR-INITIAL-TGT" }, { 2, "lR-INITIAL" }, { 3, "lR-ISSUE-USE-TGT" }, { 4, "lR-RENEWAL" }, { 5, "lR-REQUEST" }, { 6, "lR-PW-EXPTIME" }, { 7, "lR-ACCT-EXPTIME" }, { 0, NULL } }; static int dissect_kerberos_LR_TYPE(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_integer(implicit_tag, actx, tree, tvb, offset, hf_index, NULL); return offset; } static const ber_sequence_t LastReq_item_sequence[] = { { &hf_kerberos_lr_type , BER_CLASS_CON, 0, 0, dissect_kerberos_LR_TYPE }, { &hf_kerberos_lr_value , BER_CLASS_CON, 1, 0, dissect_kerberos_KerberosTime }, { NULL, 0, 0, 0, NULL } }; static int dissect_kerberos_LastReq_item(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset, LastReq_item_sequence, hf_index, ett_kerberos_LastReq_item); return offset; } static const ber_sequence_t LastReq_sequence_of[1] = { { &hf_kerberos_LastReq_item, BER_CLASS_UNI, BER_UNI_TAG_SEQUENCE, BER_FLAGS_NOOWNTAG, dissect_kerberos_LastReq_item }, }; static int dissect_kerberos_LastReq(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_sequence_of(implicit_tag, actx, tree, tvb, offset, LastReq_sequence_of, hf_index, ett_kerberos_LastReq); return offset; } static const ber_sequence_t METHOD_DATA_sequence_of[1] = { { &hf_kerberos_METHOD_DATA_item, BER_CLASS_UNI, BER_UNI_TAG_SEQUENCE, BER_FLAGS_NOOWNTAG, dissect_kerberos_PA_DATA }, }; static int dissect_kerberos_METHOD_DATA(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_sequence_of(implicit_tag, actx, tree, tvb, offset, METHOD_DATA_sequence_of, hf_index, ett_kerberos_METHOD_DATA); return offset; } static int dissect_kerberos_T_encrypted_pa_data(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { kerberos_private_data_t* private_data = kerberos_get_private_data(actx); private_data->is_enc_padata = TRUE; offset = dissect_kerberos_METHOD_DATA(implicit_tag, tvb, offset, actx, tree, hf_index); private_data->is_enc_padata = FALSE; return offset; } static const ber_sequence_t EncKDCRepPart_sequence[] = { { &hf_kerberos_encKDCRepPart_key, BER_CLASS_CON, 0, 0, dissect_kerberos_T_encKDCRepPart_key }, { &hf_kerberos_last_req , BER_CLASS_CON, 1, 0, dissect_kerberos_LastReq }, { &hf_kerberos_nonce , BER_CLASS_CON, 2, 0, dissect_kerberos_UInt32 }, { &hf_kerberos_key_expiration, BER_CLASS_CON, 3, BER_FLAGS_OPTIONAL, dissect_kerberos_KerberosTime }, { &hf_kerberos_flags , BER_CLASS_CON, 4, 0, dissect_kerberos_TicketFlags }, { &hf_kerberos_authtime , BER_CLASS_CON, 5, 0, dissect_kerberos_KerberosTime }, { &hf_kerberos_starttime , BER_CLASS_CON, 6, BER_FLAGS_OPTIONAL, dissect_kerberos_KerberosTime }, { &hf_kerberos_endtime , BER_CLASS_CON, 7, 0, dissect_kerberos_KerberosTime }, { &hf_kerberos_renew_till , BER_CLASS_CON, 8, BER_FLAGS_OPTIONAL, dissect_kerberos_KerberosTime }, { &hf_kerberos_srealm , BER_CLASS_CON, 9, 0, dissect_kerberos_Realm }, { &hf_kerberos_sname , BER_CLASS_CON, 10, 0, dissect_kerberos_SName }, { &hf_kerberos_caddr , BER_CLASS_CON, 11, BER_FLAGS_OPTIONAL, dissect_kerberos_HostAddresses }, { &hf_kerberos_encrypted_pa_data, BER_CLASS_CON, 12, BER_FLAGS_OPTIONAL, dissect_kerberos_T_encrypted_pa_data }, { NULL, 0, 0, 0, NULL } }; static int dissect_kerberos_EncKDCRepPart(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset, EncKDCRepPart_sequence, hf_index, ett_kerberos_EncKDCRepPart); return offset; } static int dissect_kerberos_EncASRepPart(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_tagged_type(implicit_tag, actx, tree, tvb, offset, hf_index, BER_CLASS_APP, 25, FALSE, dissect_kerberos_EncKDCRepPart); return offset; } static int dissect_kerberos_EncTGSRepPart(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_tagged_type(implicit_tag, actx, tree, tvb, offset, hf_index, BER_CLASS_APP, 26, FALSE, dissect_kerberos_EncKDCRepPart); return offset; } static int dissect_kerberos_T_encAPRepPart_subkey(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { kerberos_private_data_t *private_data = kerberos_get_private_data(actx); gint save_encryption_key_parent_hf_index = private_data->save_encryption_key_parent_hf_index; kerberos_key_save_fn saved_encryption_key_fn = private_data->save_encryption_key_fn; private_data->save_encryption_key_parent_hf_index = hf_kerberos_encAPRepPart; #ifdef HAVE_KERBEROS private_data->save_encryption_key_fn = save_EncAPRepPart_subkey; #endif offset = dissect_kerberos_EncryptionKey(implicit_tag, tvb, offset, actx, tree, hf_index); private_data->save_encryption_key_parent_hf_index = save_encryption_key_parent_hf_index; private_data->save_encryption_key_fn = saved_encryption_key_fn; return offset; } static const ber_sequence_t EncAPRepPart_U_sequence[] = { { &hf_kerberos_ctime , BER_CLASS_CON, 0, 0, dissect_kerberos_KerberosTime }, { &hf_kerberos_cusec , BER_CLASS_CON, 1, 0, dissect_kerberos_Microseconds }, { &hf_kerberos_encAPRepPart_subkey, BER_CLASS_CON, 2, BER_FLAGS_OPTIONAL, dissect_kerberos_T_encAPRepPart_subkey }, { &hf_kerberos_seq_number , BER_CLASS_CON, 3, BER_FLAGS_OPTIONAL, dissect_kerberos_UInt32 }, { NULL, 0, 0, 0, NULL } }; static int dissect_kerberos_EncAPRepPart_U(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset, EncAPRepPart_U_sequence, hf_index, ett_kerberos_EncAPRepPart_U); return offset; } static int dissect_kerberos_EncAPRepPart(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_tagged_type(implicit_tag, actx, tree, tvb, offset, hf_index, BER_CLASS_APP, 27, FALSE, dissect_kerberos_EncAPRepPart_U); return offset; } static int dissect_kerberos_T_encKrbPrivPart_user_data(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { kerberos_private_data_t* private_data = kerberos_get_private_data(actx); tvbuff_t *new_tvb; offset=dissect_ber_octet_string(FALSE, actx, tree, tvb, offset, hf_index, &new_tvb); if (new_tvb) { call_kerberos_callbacks(actx->pinfo, tree, new_tvb, KRB_CBTAG_PRIV_USER_DATA, private_data->callbacks); } return offset; } static const ber_sequence_t EncKrbPrivPart_sequence[] = { { &hf_kerberos_encKrbPrivPart_user_data, BER_CLASS_CON, 0, 0, dissect_kerberos_T_encKrbPrivPart_user_data }, { &hf_kerberos_timestamp , BER_CLASS_CON, 1, BER_FLAGS_OPTIONAL, dissect_kerberos_KerberosTime }, { &hf_kerberos_usec , BER_CLASS_CON, 2, BER_FLAGS_OPTIONAL, dissect_kerberos_Microseconds }, { &hf_kerberos_seq_number , BER_CLASS_CON, 3, BER_FLAGS_OPTIONAL, dissect_kerberos_UInt32 }, { &hf_kerberos_s_address , BER_CLASS_CON, 4, 0, dissect_kerberos_HostAddress }, { &hf_kerberos_r_address , BER_CLASS_CON, 5, BER_FLAGS_OPTIONAL, dissect_kerberos_HostAddress }, { NULL, 0, 0, 0, NULL } }; static int dissect_kerberos_EncKrbPrivPart(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset, EncKrbPrivPart_sequence, hf_index, ett_kerberos_EncKrbPrivPart); return offset; } static int dissect_kerberos_ENC_KRB_PRIV_PART(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_tagged_type(implicit_tag, actx, tree, tvb, offset, hf_index, BER_CLASS_APP, 28, FALSE, dissect_kerberos_EncKrbPrivPart); return offset; } static int dissect_kerberos_T_krbCredInfo_key(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { kerberos_private_data_t *private_data = kerberos_get_private_data(actx); gint save_encryption_key_parent_hf_index = private_data->save_encryption_key_parent_hf_index; kerberos_key_save_fn saved_encryption_key_fn = private_data->save_encryption_key_fn; private_data->save_encryption_key_parent_hf_index = hf_kerberos_ticket_info_item; #ifdef HAVE_KERBEROS private_data->save_encryption_key_fn = save_KrbCredInfo_key; #endif offset = dissect_kerberos_EncryptionKey(implicit_tag, tvb, offset, actx, tree, hf_index); private_data->save_encryption_key_parent_hf_index = save_encryption_key_parent_hf_index; private_data->save_encryption_key_fn = saved_encryption_key_fn; return offset; } static const ber_sequence_t SEQUENCE_OF_KerberosString_sequence_of[1] = { { &hf_kerberos_name_string_item, BER_CLASS_UNI, BER_UNI_TAG_GeneralString, BER_FLAGS_NOOWNTAG, dissect_kerberos_KerberosString }, }; static int dissect_kerberos_SEQUENCE_OF_KerberosString(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_sequence_of(implicit_tag, actx, tree, tvb, offset, SEQUENCE_OF_KerberosString_sequence_of, hf_index, ett_kerberos_SEQUENCE_OF_KerberosString); return offset; } static const ber_sequence_t PrincipalName_sequence[] = { { &hf_kerberos_name_type , BER_CLASS_CON, 0, 0, dissect_kerberos_NAME_TYPE }, { &hf_kerberos_name_string, BER_CLASS_CON, 1, 0, dissect_kerberos_SEQUENCE_OF_KerberosString }, { NULL, 0, 0, 0, NULL } }; static int dissect_kerberos_PrincipalName(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset, PrincipalName_sequence, hf_index, ett_kerberos_PrincipalName); return offset; } static const ber_sequence_t KrbCredInfo_sequence[] = { { &hf_kerberos_krbCredInfo_key, BER_CLASS_CON, 0, 0, dissect_kerberos_T_krbCredInfo_key }, { &hf_kerberos_prealm , BER_CLASS_CON, 1, BER_FLAGS_OPTIONAL, dissect_kerberos_Realm }, { &hf_kerberos_pname , BER_CLASS_CON, 2, BER_FLAGS_OPTIONAL, dissect_kerberos_PrincipalName }, { &hf_kerberos_flags , BER_CLASS_CON, 3, BER_FLAGS_OPTIONAL, dissect_kerberos_TicketFlags }, { &hf_kerberos_authtime , BER_CLASS_CON, 4, BER_FLAGS_OPTIONAL, dissect_kerberos_KerberosTime }, { &hf_kerberos_starttime , BER_CLASS_CON, 5, BER_FLAGS_OPTIONAL, dissect_kerberos_KerberosTime }, { &hf_kerberos_endtime , BER_CLASS_CON, 6, BER_FLAGS_OPTIONAL, dissect_kerberos_KerberosTime }, { &hf_kerberos_renew_till , BER_CLASS_CON, 7, BER_FLAGS_OPTIONAL, dissect_kerberos_KerberosTime }, { &hf_kerberos_srealm , BER_CLASS_CON, 8, BER_FLAGS_OPTIONAL, dissect_kerberos_Realm }, { &hf_kerberos_sname , BER_CLASS_CON, 9, BER_FLAGS_OPTIONAL, dissect_kerberos_SName }, { &hf_kerberos_caddr , BER_CLASS_CON, 10, BER_FLAGS_OPTIONAL, dissect_kerberos_HostAddresses }, { NULL, 0, 0, 0, NULL } }; static int dissect_kerberos_KrbCredInfo(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset, KrbCredInfo_sequence, hf_index, ett_kerberos_KrbCredInfo); return offset; } static const ber_sequence_t SEQUENCE_OF_KrbCredInfo_sequence_of[1] = { { &hf_kerberos_ticket_info_item, BER_CLASS_UNI, BER_UNI_TAG_SEQUENCE, BER_FLAGS_NOOWNTAG, dissect_kerberos_KrbCredInfo }, }; static int dissect_kerberos_SEQUENCE_OF_KrbCredInfo(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_sequence_of(implicit_tag, actx, tree, tvb, offset, SEQUENCE_OF_KrbCredInfo_sequence_of, hf_index, ett_kerberos_SEQUENCE_OF_KrbCredInfo); return offset; } static const ber_sequence_t EncKrbCredPart_U_sequence[] = { { &hf_kerberos_ticket_info, BER_CLASS_CON, 0, 0, dissect_kerberos_SEQUENCE_OF_KrbCredInfo }, { &hf_kerberos_nonce , BER_CLASS_CON, 1, BER_FLAGS_OPTIONAL, dissect_kerberos_UInt32 }, { &hf_kerberos_timestamp , BER_CLASS_CON, 2, BER_FLAGS_OPTIONAL, dissect_kerberos_KerberosTime }, { &hf_kerberos_usec , BER_CLASS_CON, 3, BER_FLAGS_OPTIONAL, dissect_kerberos_Microseconds }, { &hf_kerberos_s_address , BER_CLASS_CON, 4, BER_FLAGS_OPTIONAL, dissect_kerberos_HostAddress }, { &hf_kerberos_r_address , BER_CLASS_CON, 5, BER_FLAGS_OPTIONAL, dissect_kerberos_HostAddress }, { NULL, 0, 0, 0, NULL } }; static int dissect_kerberos_EncKrbCredPart_U(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset, EncKrbCredPart_U_sequence, hf_index, ett_kerberos_EncKrbCredPart_U); return offset; } static int dissect_kerberos_EncKrbCredPart(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_tagged_type(implicit_tag, actx, tree, tvb, offset, hf_index, BER_CLASS_APP, 29, FALSE, dissect_kerberos_EncKrbCredPart_U); return offset; } static const value_string kerberos_ERROR_CODE_vals[] = { { 0, "eRR-NONE" }, { 1, "eRR-NAME-EXP" }, { 2, "eRR-SERVICE-EXP" }, { 3, "eRR-BAD-PVNO" }, { 4, "eRR-C-OLD-MAST-KVNO" }, { 5, "eRR-S-OLD-MAST-KVNO" }, { 6, "eRR-C-PRINCIPAL-UNKNOWN" }, { 7, "eRR-S-PRINCIPAL-UNKNOWN" }, { 8, "eRR-PRINCIPAL-NOT-UNIQUE" }, { 9, "eRR-NULL-KEY" }, { 10, "eRR-CANNOT-POSTDATE" }, { 11, "eRR-NEVER-VALID" }, { 12, "eRR-POLICY" }, { 13, "eRR-BADOPTION" }, { 14, "eRR-ETYPE-NOSUPP" }, { 15, "eRR-SUMTYPE-NOSUPP" }, { 16, "eRR-PADATA-TYPE-NOSUPP" }, { 17, "eRR-TRTYPE-NOSUPP" }, { 18, "eRR-CLIENT-REVOKED" }, { 19, "eRR-SERVICE-REVOKED" }, { 20, "eRR-TGT-REVOKED" }, { 21, "eRR-CLIENT-NOTYET" }, { 22, "eRR-SERVICE-NOTYET" }, { 23, "eRR-KEY-EXP" }, { 24, "eRR-PREAUTH-FAILED" }, { 25, "eRR-PREAUTH-REQUIRED" }, { 26, "eRR-SERVER-NOMATCH" }, { 27, "eRR-MUST-USE-USER2USER" }, { 28, "eRR-PATH-NOT-ACCEPTED" }, { 29, "eRR-SVC-UNAVAILABLE" }, { 31, "eRR-BAD-INTEGRITY" }, { 32, "eRR-TKT-EXPIRED" }, { 33, "eRR-TKT-NYV" }, { 34, "eRR-REPEAT" }, { 35, "eRR-NOT-US" }, { 36, "eRR-BADMATCH" }, { 37, "eRR-SKEW" }, { 38, "eRR-BADADDR" }, { 39, "eRR-BADVERSION" }, { 40, "eRR-MSG-TYPE" }, { 41, "eRR-MODIFIED" }, { 42, "eRR-BADORDER" }, { 43, "eRR-ILL-CR-TKT" }, { 44, "eRR-BADKEYVER" }, { 45, "eRR-NOKEY" }, { 46, "eRR-MUT-FAIL" }, { 47, "eRR-BADDIRECTION" }, { 48, "eRR-METHOD" }, { 49, "eRR-BADSEQ" }, { 50, "eRR-INAPP-CKSUM" }, { 51, "pATH-NOT-ACCEPTED" }, { 52, "eRR-RESPONSE-TOO-BIG" }, { 60, "eRR-GENERIC" }, { 61, "eRR-FIELD-TOOLONG" }, { 62, "eRROR-CLIENT-NOT-TRUSTED" }, { 63, "eRROR-KDC-NOT-TRUSTED" }, { 64, "eRROR-INVALID-SIG" }, { 65, "eRR-KEY-TOO-WEAK" }, { 66, "eRR-CERTIFICATE-MISMATCH" }, { 67, "eRR-NO-TGT" }, { 68, "eRR-WRONG-REALM" }, { 69, "eRR-USER-TO-USER-REQUIRED" }, { 70, "eRR-CANT-VERIFY-CERTIFICATE" }, { 71, "eRR-INVALID-CERTIFICATE" }, { 72, "eRR-REVOKED-CERTIFICATE" }, { 73, "eRR-REVOCATION-STATUS-UNKNOWN" }, { 74, "eRR-REVOCATION-STATUS-UNAVAILABLE" }, { 75, "eRR-CLIENT-NAME-MISMATCH" }, { 76, "eRR-KDC-NAME-MISMATCH" }, { 0, NULL } }; static int dissect_kerberos_ERROR_CODE(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { kerberos_private_data_t *private_data = kerberos_get_private_data(actx); offset = dissect_ber_integer(implicit_tag, actx, tree, tvb, offset, hf_index, &private_data->errorcode); if (private_data->errorcode) { col_add_fstr(actx->pinfo->cinfo, COL_INFO, "KRB Error: %s", val_to_str(private_data->errorcode, krb5_error_codes, "Unknown error code %#x")); } return offset; } static int dissect_kerberos_T_e_data(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { kerberos_private_data_t *private_data = kerberos_get_private_data(actx); switch (private_data->errorcode) { case KRB5_ET_KRB5KDC_ERR_BADOPTION: case KRB5_ET_KRB5KDC_ERR_CLIENT_REVOKED: case KRB5_ET_KRB5KDC_ERR_KEY_EXP: case KRB5_ET_KRB5KDC_ERR_POLICY: /* ms windows kdc sends e-data of this type containing a "salt" * that contains the nt_status code for these error codes. */ private_data->try_nt_status = TRUE; offset=dissect_ber_octet_string_wcb(FALSE, actx, tree, tvb, offset, hf_kerberos_e_data, dissect_kerberos_PA_DATA); break; case KRB5_ET_KRB5KDC_ERR_PREAUTH_REQUIRED: case KRB5_ET_KRB5KDC_ERR_PREAUTH_FAILED: case KRB5_ET_KRB5KDC_ERR_ETYPE_NOSUPP: case KRB5_ET_KDC_ERR_WRONG_REALM: case KRB5_ET_KDC_ERR_PREAUTH_EXPIRED: case KRB5_ET_KDC_ERR_MORE_PREAUTH_DATA_REQUIRED: case KRB5_ET_KDC_ERR_PREAUTH_BAD_AUTHENTICATION_SET: case KRB5_ET_KDC_ERR_UNKNOWN_CRITICAL_FAST_OPTIONS: offset=dissect_ber_octet_string_wcb(FALSE, actx, tree, tvb, offset, hf_kerberos_e_data, dissect_kerberos_T_rEP_SEQUENCE_OF_PA_DATA); break; default: offset=dissect_ber_octet_string(FALSE, actx, tree, tvb, offset, hf_kerberos_e_data, NULL); break; } return offset; } static const ber_sequence_t KRB_ERROR_U_sequence[] = { { &hf_kerberos_pvno , BER_CLASS_CON, 0, 0, dissect_kerberos_INTEGER_5 }, { &hf_kerberos_msg_type , BER_CLASS_CON, 1, 0, dissect_kerberos_MESSAGE_TYPE }, { &hf_kerberos_ctime , BER_CLASS_CON, 2, BER_FLAGS_OPTIONAL, dissect_kerberos_KerberosTime }, { &hf_kerberos_cusec , BER_CLASS_CON, 3, BER_FLAGS_OPTIONAL, dissect_kerberos_Microseconds }, { &hf_kerberos_stime , BER_CLASS_CON, 4, 0, dissect_kerberos_KerberosTime }, { &hf_kerberos_susec , BER_CLASS_CON, 5, 0, dissect_kerberos_Microseconds }, { &hf_kerberos_error_code , BER_CLASS_CON, 6, 0, dissect_kerberos_ERROR_CODE }, { &hf_kerberos_crealm , BER_CLASS_CON, 7, BER_FLAGS_OPTIONAL, dissect_kerberos_Realm }, { &hf_kerberos_cname , BER_CLASS_CON, 8, BER_FLAGS_OPTIONAL, dissect_kerberos_CName }, { &hf_kerberos_realm , BER_CLASS_CON, 9, 0, dissect_kerberos_Realm }, { &hf_kerberos_sname , BER_CLASS_CON, 10, 0, dissect_kerberos_SName }, { &hf_kerberos_e_text , BER_CLASS_CON, 11, BER_FLAGS_OPTIONAL, dissect_kerberos_KerberosString }, { &hf_kerberos_e_data , BER_CLASS_CON, 12, BER_FLAGS_OPTIONAL, dissect_kerberos_T_e_data }, { &hf_kerberos_e_checksum , BER_CLASS_CON, 13, BER_FLAGS_OPTIONAL, dissect_kerberos_Checksum }, { NULL, 0, 0, 0, NULL } }; static int dissect_kerberos_KRB_ERROR_U(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset, KRB_ERROR_U_sequence, hf_index, ett_kerberos_KRB_ERROR_U); return offset; } static int dissect_kerberos_KRB_ERROR(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_tagged_type(implicit_tag, actx, tree, tvb, offset, hf_index, BER_CLASS_APP, 30, FALSE, dissect_kerberos_KRB_ERROR_U); return offset; } static const ber_choice_t Applications_choice[] = { { KERBEROS_APPLICATIONS_TICKET, &hf_kerberos_ticket , BER_CLASS_APP, 1, BER_FLAGS_NOOWNTAG, dissect_kerberos_Ticket }, { KERBEROS_APPLICATIONS_AUTHENTICATOR, &hf_kerberos_authenticator, BER_CLASS_APP, 2, BER_FLAGS_NOOWNTAG, dissect_kerberos_Authenticator }, { KERBEROS_APPLICATIONS_ENCTICKETPART, &hf_kerberos_encTicketPart, BER_CLASS_APP, 3, BER_FLAGS_NOOWNTAG, dissect_kerberos_EncTicketPart }, { KERBEROS_APPLICATIONS_AS_REQ, &hf_kerberos_as_req , BER_CLASS_APP, 10, BER_FLAGS_NOOWNTAG, dissect_kerberos_AS_REQ }, { KERBEROS_APPLICATIONS_AS_REP, &hf_kerberos_as_rep , BER_CLASS_APP, 11, BER_FLAGS_NOOWNTAG, dissect_kerberos_AS_REP }, { KERBEROS_APPLICATIONS_TGS_REQ, &hf_kerberos_tgs_req , BER_CLASS_APP, 12, BER_FLAGS_NOOWNTAG, dissect_kerberos_TGS_REQ }, { KERBEROS_APPLICATIONS_TGS_REP, &hf_kerberos_tgs_rep , BER_CLASS_APP, 13, BER_FLAGS_NOOWNTAG, dissect_kerberos_TGS_REP }, { KERBEROS_APPLICATIONS_AP_REQ, &hf_kerberos_ap_req , BER_CLASS_APP, 14, BER_FLAGS_NOOWNTAG, dissect_kerberos_AP_REQ }, { KERBEROS_APPLICATIONS_AP_REP, &hf_kerberos_ap_rep , BER_CLASS_APP, 15, BER_FLAGS_NOOWNTAG, dissect_kerberos_AP_REP }, { KERBEROS_APPLICATIONS_KRB_SAFE, &hf_kerberos_krb_safe , BER_CLASS_APP, 20, BER_FLAGS_NOOWNTAG, dissect_kerberos_KRB_SAFE }, { KERBEROS_APPLICATIONS_KRB_PRIV, &hf_kerberos_krb_priv , BER_CLASS_APP, 21, BER_FLAGS_NOOWNTAG, dissect_kerberos_KRB_PRIV }, { KERBEROS_APPLICATIONS_KRB_CRED, &hf_kerberos_krb_cred , BER_CLASS_APP, 22, BER_FLAGS_NOOWNTAG, dissect_kerberos_KRB_CRED }, { KERBEROS_APPLICATIONS_ENCASREPPART, &hf_kerberos_encASRepPart, BER_CLASS_APP, 25, BER_FLAGS_NOOWNTAG, dissect_kerberos_EncASRepPart }, { KERBEROS_APPLICATIONS_ENCTGSREPPART, &hf_kerberos_encTGSRepPart, BER_CLASS_APP, 26, BER_FLAGS_NOOWNTAG, dissect_kerberos_EncTGSRepPart }, { KERBEROS_APPLICATIONS_ENCAPREPPART, &hf_kerberos_encAPRepPart, BER_CLASS_APP, 27, BER_FLAGS_NOOWNTAG, dissect_kerberos_EncAPRepPart }, { KERBEROS_APPLICATIONS_ENCKRBPRIVPART, &hf_kerberos_encKrbPrivPart, BER_CLASS_APP, 28, BER_FLAGS_NOOWNTAG, dissect_kerberos_ENC_KRB_PRIV_PART }, { KERBEROS_APPLICATIONS_ENCKRBCREDPART, &hf_kerberos_encKrbCredPart, BER_CLASS_APP, 29, BER_FLAGS_NOOWNTAG, dissect_kerberos_EncKrbCredPart }, { KERBEROS_APPLICATIONS_KRB_ERROR, &hf_kerberos_krb_error , BER_CLASS_APP, 30, BER_FLAGS_NOOWNTAG, dissect_kerberos_KRB_ERROR }, { 0, NULL, 0, 0, 0, NULL } }; static int dissect_kerberos_Applications(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_choice(actx, tree, tvb, offset, Applications_choice, hf_index, ett_kerberos_Applications, NULL); return offset; } static int dissect_kerberos_T_pA_ENC_TIMESTAMP_cipher(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { #ifdef HAVE_KERBEROS offset=dissect_ber_octet_string_wcb(FALSE, actx, tree, tvb, offset, hf_index, dissect_krb5_decrypt_PA_ENC_TIMESTAMP); #else offset = dissect_ber_octet_string(implicit_tag, actx, tree, tvb, offset, hf_index, NULL); #endif return offset; } static const ber_sequence_t PA_ENC_TIMESTAMP_sequence[] = { { &hf_kerberos_etype , BER_CLASS_CON, 0, 0, dissect_kerberos_ENCTYPE }, { &hf_kerberos_kvno , BER_CLASS_CON, 1, BER_FLAGS_OPTIONAL, dissect_kerberos_UInt32 }, { &hf_kerberos_pA_ENC_TIMESTAMP_cipher, BER_CLASS_CON, 2, 0, dissect_kerberos_T_pA_ENC_TIMESTAMP_cipher }, { NULL, 0, 0, 0, NULL } }; static int dissect_kerberos_PA_ENC_TIMESTAMP(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset, PA_ENC_TIMESTAMP_sequence, hf_index, ett_kerberos_PA_ENC_TIMESTAMP); return offset; } static const ber_sequence_t ETYPE_INFO_ENTRY_sequence[] = { { &hf_kerberos_etype , BER_CLASS_CON, 0, 0, dissect_kerberos_ENCTYPE }, { &hf_kerberos_info_salt , BER_CLASS_CON, 1, BER_FLAGS_OPTIONAL, dissect_kerberos_OCTET_STRING }, { NULL, 0, 0, 0, NULL } }; static int dissect_kerberos_ETYPE_INFO_ENTRY(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset, ETYPE_INFO_ENTRY_sequence, hf_index, ett_kerberos_ETYPE_INFO_ENTRY); return offset; } static const ber_sequence_t ETYPE_INFO_sequence_of[1] = { { &hf_kerberos_ETYPE_INFO_item, BER_CLASS_UNI, BER_UNI_TAG_SEQUENCE, BER_FLAGS_NOOWNTAG, dissect_kerberos_ETYPE_INFO_ENTRY }, }; static int dissect_kerberos_ETYPE_INFO(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_sequence_of(implicit_tag, actx, tree, tvb, offset, ETYPE_INFO_sequence_of, hf_index, ett_kerberos_ETYPE_INFO); return offset; } static const ber_sequence_t ETYPE_INFO2_ENTRY_sequence[] = { { &hf_kerberos_etype , BER_CLASS_CON, 0, 0, dissect_kerberos_ENCTYPE }, { &hf_kerberos_info2_salt , BER_CLASS_CON, 1, BER_FLAGS_OPTIONAL, dissect_kerberos_KerberosString }, { &hf_kerberos_s2kparams , BER_CLASS_CON, 2, BER_FLAGS_OPTIONAL, dissect_kerberos_OCTET_STRING }, { NULL, 0, 0, 0, NULL } }; static int dissect_kerberos_ETYPE_INFO2_ENTRY(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset, ETYPE_INFO2_ENTRY_sequence, hf_index, ett_kerberos_ETYPE_INFO2_ENTRY); return offset; } static const ber_sequence_t ETYPE_INFO2_sequence_of[1] = { { &hf_kerberos_ETYPE_INFO2_item, BER_CLASS_UNI, BER_UNI_TAG_SEQUENCE, BER_FLAGS_NOOWNTAG, dissect_kerberos_ETYPE_INFO2_ENTRY }, }; static int dissect_kerberos_ETYPE_INFO2(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_sequence_of(implicit_tag, actx, tree, tvb, offset, ETYPE_INFO2_sequence_of, hf_index, ett_kerberos_ETYPE_INFO2); return offset; } static int dissect_kerberos_AD_IF_RELEVANT(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_kerberos_AuthorizationData(implicit_tag, tvb, offset, actx, tree, hf_index); return offset; } static const ber_sequence_t TGT_REQ_sequence[] = { { &hf_kerberos_pvno , BER_CLASS_CON, 0, 0, dissect_kerberos_INTEGER_5 }, { &hf_kerberos_msg_type , BER_CLASS_CON, 1, 0, dissect_kerberos_MESSAGE_TYPE }, { &hf_kerberos_server_name, BER_CLASS_CON, 2, BER_FLAGS_OPTIONAL, dissect_kerberos_PrincipalName }, { &hf_kerberos_realm , BER_CLASS_CON, 3, BER_FLAGS_OPTIONAL, dissect_kerberos_Realm }, { NULL, 0, 0, 0, NULL } }; int dissect_kerberos_TGT_REQ(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset, TGT_REQ_sequence, hf_index, ett_kerberos_TGT_REQ); return offset; } static const ber_sequence_t TGT_REP_sequence[] = { { &hf_kerberos_pvno , BER_CLASS_CON, 0, 0, dissect_kerberos_INTEGER_5 }, { &hf_kerberos_msg_type , BER_CLASS_CON, 1, 0, dissect_kerberos_MESSAGE_TYPE }, { &hf_kerberos_ticket , BER_CLASS_CON, 2, 0, dissect_kerberos_Ticket }, { NULL, 0, 0, 0, NULL } }; int dissect_kerberos_TGT_REP(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset, TGT_REP_sequence, hf_index, ett_kerberos_TGT_REP); return offset; } static int dissect_kerberos_BOOLEAN(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_boolean(implicit_tag, actx, tree, tvb, offset, hf_index, NULL); return offset; } static const ber_sequence_t PA_PAC_REQUEST_sequence[] = { { &hf_kerberos_include_pac, BER_CLASS_CON, 0, 0, dissect_kerberos_BOOLEAN }, { NULL, 0, 0, 0, NULL } }; static int dissect_kerberos_PA_PAC_REQUEST(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset, PA_PAC_REQUEST_sequence, hf_index, ett_kerberos_PA_PAC_REQUEST); return offset; } static int dissect_kerberos_GeneralString(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_restricted_string(implicit_tag, BER_UNI_TAG_GeneralString, actx, tree, tvb, offset, hf_index, NULL); return offset; } static const ber_sequence_t PA_S4U2Self_sequence[] = { { &hf_kerberos_name , BER_CLASS_CON, 0, 0, dissect_kerberos_PrincipalName }, { &hf_kerberos_realm , BER_CLASS_CON, 1, 0, dissect_kerberos_Realm }, { &hf_kerberos_cksum , BER_CLASS_CON, 2, 0, dissect_kerberos_Checksum }, { &hf_kerberos_auth , BER_CLASS_CON, 3, 0, dissect_kerberos_GeneralString }, { NULL, 0, 0, 0, NULL } }; static int dissect_kerberos_PA_S4U2Self(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset, PA_S4U2Self_sequence, hf_index, ett_kerberos_PA_S4U2Self); return offset; } static int dissect_kerberos_T_subject_certificate(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset=dissect_ber_octet_string_wcb(implicit_tag, actx, tree, tvb, offset,hf_index, dissect_x509af_Certificate); return offset; } static int dissect_kerberos_BIT_STRING(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_bitstring(implicit_tag, actx, tree, tvb, offset, NULL, 0, hf_index, -1, NULL); return offset; } static const ber_sequence_t S4UUserID_sequence[] = { { &hf_kerberos_nonce , BER_CLASS_CON, 0, 0, dissect_kerberos_UInt32 }, { &hf_kerberos_cname_01 , BER_CLASS_CON, 1, BER_FLAGS_OPTIONAL, dissect_kerberos_PrincipalName }, { &hf_kerberos_crealm , BER_CLASS_CON, 2, 0, dissect_kerberos_Realm }, { &hf_kerberos_subject_certificate, BER_CLASS_CON, 3, BER_FLAGS_OPTIONAL, dissect_kerberos_T_subject_certificate }, { &hf_kerberos_options , BER_CLASS_CON, 4, BER_FLAGS_OPTIONAL, dissect_kerberos_BIT_STRING }, { NULL, 0, 0, 0, NULL } }; static int dissect_kerberos_S4UUserID(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset, S4UUserID_sequence, hf_index, ett_kerberos_S4UUserID); return offset; } static const ber_sequence_t PA_S4U_X509_USER_sequence[] = { { &hf_kerberos_user_id , BER_CLASS_CON, 0, 0, dissect_kerberos_S4UUserID }, { &hf_kerberos_checksum_01, BER_CLASS_CON, 1, 0, dissect_kerberos_Checksum }, { NULL, 0, 0, 0, NULL } }; static int dissect_kerberos_PA_S4U_X509_USER(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset, PA_S4U_X509_USER_sequence, hf_index, ett_kerberos_PA_S4U_X509_USER); return offset; } static int * const PAC_OPTIONS_FLAGS_bits[] = { &hf_kerberos_PAC_OPTIONS_FLAGS_claims, &hf_kerberos_PAC_OPTIONS_FLAGS_branch_aware, &hf_kerberos_PAC_OPTIONS_FLAGS_forward_to_full_dc, &hf_kerberos_PAC_OPTIONS_FLAGS_resource_based_constrained_delegation, NULL }; static int dissect_kerberos_PAC_OPTIONS_FLAGS(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_bitstring(implicit_tag, actx, tree, tvb, offset, PAC_OPTIONS_FLAGS_bits, 4, hf_index, ett_kerberos_PAC_OPTIONS_FLAGS, NULL); return offset; } static const ber_sequence_t PA_PAC_OPTIONS_sequence[] = { { &hf_kerberos_flags_01 , BER_CLASS_CON, 0, 0, dissect_kerberos_PAC_OPTIONS_FLAGS }, { NULL, 0, 0, 0, NULL } }; static int dissect_kerberos_PA_PAC_OPTIONS(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset, PA_PAC_OPTIONS_sequence, hf_index, ett_kerberos_PA_PAC_OPTIONS); return offset; } static const ber_sequence_t KERB_AD_RESTRICTION_ENTRY_U_sequence[] = { { &hf_kerberos_restriction_type, BER_CLASS_CON, 0, 0, dissect_kerberos_Int32 }, { &hf_kerberos_restriction, BER_CLASS_CON, 1, 0, dissect_kerberos_OCTET_STRING }, { NULL, 0, 0, 0, NULL } }; static int dissect_kerberos_KERB_AD_RESTRICTION_ENTRY_U(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset, KERB_AD_RESTRICTION_ENTRY_U_sequence, hf_index, ett_kerberos_KERB_AD_RESTRICTION_ENTRY_U); return offset; } static int dissect_kerberos_KERB_AD_RESTRICTION_ENTRY(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_tagged_type(implicit_tag, actx, tree, tvb, offset, hf_index, BER_CLASS_UNI, 16, FALSE, dissect_kerberos_KERB_AD_RESTRICTION_ENTRY_U); return offset; } static const ber_sequence_t PA_KERB_KEY_LIST_REQ_sequence_of[1] = { { &hf_kerberos_PA_KERB_KEY_LIST_REQ_item, BER_CLASS_UNI, BER_UNI_TAG_INTEGER, BER_FLAGS_NOOWNTAG, dissect_kerberos_ENCTYPE }, }; static int dissect_kerberos_PA_KERB_KEY_LIST_REQ(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_sequence_of(implicit_tag, actx, tree, tvb, offset, PA_KERB_KEY_LIST_REQ_sequence_of, hf_index, ett_kerberos_PA_KERB_KEY_LIST_REQ); return offset; } static int dissect_kerberos_PA_KERB_KEY_LIST_REP_Key(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_kerberos_EncryptionKey(implicit_tag, tvb, offset, actx, tree, hf_index); return offset; } static int dissect_kerberos_PA_KERB_KEY_LIST_REP_item(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { kerberos_private_data_t *private_data = kerberos_get_private_data(actx); gint save_encryption_key_parent_hf_index = private_data->save_encryption_key_parent_hf_index; kerberos_key_save_fn saved_encryption_key_fn = private_data->save_encryption_key_fn; private_data->save_encryption_key_parent_hf_index = hf_kerberos_kerbKeyListRep_key; #ifdef HAVE_KERBEROS private_data->save_encryption_key_fn = save_encryption_key; #endif offset = dissect_kerberos_PA_KERB_KEY_LIST_REP_Key(implicit_tag, tvb, offset, actx, tree, hf_index); private_data->save_encryption_key_parent_hf_index = save_encryption_key_parent_hf_index; private_data->save_encryption_key_fn = saved_encryption_key_fn; return offset; } static const ber_sequence_t PA_KERB_KEY_LIST_REP_sequence_of[1] = { { &hf_kerberos_kerbKeyListRep_key, BER_CLASS_UNI, BER_UNI_TAG_SEQUENCE, BER_FLAGS_NOOWNTAG, dissect_kerberos_PA_KERB_KEY_LIST_REP_item }, }; static int dissect_kerberos_PA_KERB_KEY_LIST_REP(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_sequence_of(implicit_tag, actx, tree, tvb, offset, PA_KERB_KEY_LIST_REP_sequence_of, hf_index, ett_kerberos_PA_KERB_KEY_LIST_REP); return offset; } static const ber_sequence_t ChangePasswdData_sequence[] = { { &hf_kerberos_newpasswd , BER_CLASS_CON, 0, 0, dissect_kerberos_OCTET_STRING }, { &hf_kerberos_targname , BER_CLASS_CON, 1, BER_FLAGS_OPTIONAL, dissect_kerberos_PrincipalName }, { &hf_kerberos_targrealm , BER_CLASS_CON, 2, BER_FLAGS_OPTIONAL, dissect_kerberos_Realm }, { NULL, 0, 0, 0, NULL } }; int dissect_kerberos_ChangePasswdData(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset, ChangePasswdData_sequence, hf_index, ett_kerberos_ChangePasswdData); return offset; } static const ber_sequence_t PA_AUTHENTICATION_SET_ELEM_sequence[] = { { &hf_kerberos_pa_type , BER_CLASS_CON, 0, 0, dissect_kerberos_PADATA_TYPE }, { &hf_kerberos_pa_hint , BER_CLASS_CON, 1, BER_FLAGS_OPTIONAL, dissect_kerberos_OCTET_STRING }, { &hf_kerberos_pa_value , BER_CLASS_CON, 2, BER_FLAGS_OPTIONAL, dissect_kerberos_OCTET_STRING }, { NULL, 0, 0, 0, NULL } }; static int dissect_kerberos_PA_AUTHENTICATION_SET_ELEM(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset, PA_AUTHENTICATION_SET_ELEM_sequence, hf_index, ett_kerberos_PA_AUTHENTICATION_SET_ELEM); return offset; } static const value_string kerberos_KrbFastArmorTypes_vals[] = { { KERBEROS_FX_FAST_RESERVED, "fX-FAST-reserved" }, { KERBEROS_FX_FAST_ARMOR_AP_REQUEST, "fX-FAST-ARMOR-AP-REQUEST" }, { 0, NULL } }; static int dissect_kerberos_KrbFastArmorTypes(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { kerberos_private_data_t *private_data = kerberos_get_private_data(actx); offset = dissect_ber_integer(implicit_tag, actx, tree, tvb, offset, hf_index, &(private_data->fast_type)); return offset; } static int dissect_kerberos_T_armor_value(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { kerberos_private_data_t *private_data = kerberos_get_private_data(actx); switch(private_data->fast_type){ case KERBEROS_FX_FAST_ARMOR_AP_REQUEST: private_data->fast_armor_within_armor_value++; offset=dissect_ber_octet_string_wcb(implicit_tag, actx, tree, tvb, offset, hf_index, dissect_kerberos_Applications); private_data->fast_armor_within_armor_value--; break; default: offset=dissect_ber_octet_string(implicit_tag, actx, tree, tvb, offset, hf_index, NULL); break; } return offset; } static const ber_sequence_t KrbFastArmor_sequence[] = { { &hf_kerberos_armor_type , BER_CLASS_CON, 0, 0, dissect_kerberos_KrbFastArmorTypes }, { &hf_kerberos_armor_value, BER_CLASS_CON, 1, 0, dissect_kerberos_T_armor_value }, { NULL, 0, 0, 0, NULL } }; static int dissect_kerberos_KrbFastArmor(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset, KrbFastArmor_sequence, hf_index, ett_kerberos_KrbFastArmor); return offset; } static int dissect_kerberos_T_encryptedKrbFastReq_cipher(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { #ifdef HAVE_KERBEROS offset=dissect_ber_octet_string_wcb(FALSE, actx, tree, tvb, offset, hf_index, dissect_krb5_decrypt_KrbFastReq); #else offset = dissect_ber_octet_string(implicit_tag, actx, tree, tvb, offset, hf_index, NULL); #endif return offset; } static const ber_sequence_t EncryptedKrbFastReq_sequence[] = { { &hf_kerberos_etype , BER_CLASS_CON, 0, 0, dissect_kerberos_ENCTYPE }, { &hf_kerberos_kvno , BER_CLASS_CON, 1, BER_FLAGS_OPTIONAL, dissect_kerberos_UInt32 }, { &hf_kerberos_encryptedKrbFastReq_cipher, BER_CLASS_CON, 2, 0, dissect_kerberos_T_encryptedKrbFastReq_cipher }, { NULL, 0, 0, 0, NULL } }; static int dissect_kerberos_EncryptedKrbFastReq(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset, EncryptedKrbFastReq_sequence, hf_index, ett_kerberos_EncryptedKrbFastReq); return offset; } static const ber_sequence_t KrbFastArmoredReq_sequence[] = { { &hf_kerberos_armor , BER_CLASS_CON, 0, BER_FLAGS_OPTIONAL, dissect_kerberos_KrbFastArmor }, { &hf_kerberos_req_checksum, BER_CLASS_CON, 1, 0, dissect_kerberos_Checksum }, { &hf_kerberos_enc_fast_req, BER_CLASS_CON, 2, 0, dissect_kerberos_EncryptedKrbFastReq }, { NULL, 0, 0, 0, NULL } }; static int dissect_kerberos_KrbFastArmoredReq(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset, KrbFastArmoredReq_sequence, hf_index, ett_kerberos_KrbFastArmoredReq); return offset; } static const ber_choice_t PA_FX_FAST_REQUEST_choice[] = { { 0, &hf_kerberos_armored_data_request, BER_CLASS_CON, 0, 0, dissect_kerberos_KrbFastArmoredReq }, { 0, NULL, 0, 0, 0, NULL } }; static int dissect_kerberos_PA_FX_FAST_REQUEST(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_choice(actx, tree, tvb, offset, PA_FX_FAST_REQUEST_choice, hf_index, ett_kerberos_PA_FX_FAST_REQUEST, NULL); return offset; } static int dissect_kerberos_T_encryptedKrbFastResponse_cipher(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { #ifdef HAVE_KERBEROS offset=dissect_ber_octet_string_wcb(FALSE, actx, tree, tvb, offset, hf_index, dissect_krb5_decrypt_KrbFastResponse); #else offset = dissect_ber_octet_string(implicit_tag, actx, tree, tvb, offset, hf_index, NULL); #endif return offset; } static const ber_sequence_t EncryptedKrbFastResponse_sequence[] = { { &hf_kerberos_etype , BER_CLASS_CON, 0, 0, dissect_kerberos_ENCTYPE }, { &hf_kerberos_kvno , BER_CLASS_CON, 1, BER_FLAGS_OPTIONAL, dissect_kerberos_UInt32 }, { &hf_kerberos_encryptedKrbFastResponse_cipher, BER_CLASS_CON, 2, 0, dissect_kerberos_T_encryptedKrbFastResponse_cipher }, { NULL, 0, 0, 0, NULL } }; static int dissect_kerberos_EncryptedKrbFastResponse(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset, EncryptedKrbFastResponse_sequence, hf_index, ett_kerberos_EncryptedKrbFastResponse); return offset; } static const ber_sequence_t KrbFastArmoredRep_sequence[] = { { &hf_kerberos_enc_fast_rep, BER_CLASS_CON, 0, 0, dissect_kerberos_EncryptedKrbFastResponse }, { NULL, 0, 0, 0, NULL } }; static int dissect_kerberos_KrbFastArmoredRep(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset, KrbFastArmoredRep_sequence, hf_index, ett_kerberos_KrbFastArmoredRep); return offset; } static const ber_choice_t PA_FX_FAST_REPLY_choice[] = { { 0, &hf_kerberos_armored_data_reply, BER_CLASS_CON, 0, 0, dissect_kerberos_KrbFastArmoredRep }, { 0, NULL, 0, 0, 0, NULL } }; static int dissect_kerberos_PA_FX_FAST_REPLY(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_choice(actx, tree, tvb, offset, PA_FX_FAST_REPLY_choice, hf_index, ett_kerberos_PA_FX_FAST_REPLY, NULL); return offset; } static int dissect_kerberos_T_encryptedChallenge_cipher(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { #ifdef HAVE_KERBEROS offset=dissect_ber_octet_string_wcb(FALSE, actx, tree, tvb, offset, hf_index, dissect_krb5_decrypt_EncryptedChallenge); #else offset = dissect_ber_octet_string(implicit_tag, actx, tree, tvb, offset, hf_index, NULL); #endif return offset; } static const ber_sequence_t EncryptedChallenge_sequence[] = { { &hf_kerberos_etype , BER_CLASS_CON, 0, 0, dissect_kerberos_ENCTYPE }, { &hf_kerberos_kvno , BER_CLASS_CON, 1, BER_FLAGS_OPTIONAL, dissect_kerberos_UInt32 }, { &hf_kerberos_encryptedChallenge_cipher, BER_CLASS_CON, 2, 0, dissect_kerberos_T_encryptedChallenge_cipher }, { NULL, 0, 0, 0, NULL } }; static int dissect_kerberos_EncryptedChallenge(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset, EncryptedChallenge_sequence, hf_index, ett_kerberos_EncryptedChallenge); return offset; } static const ber_sequence_t EncryptedSpakeData_sequence[] = { { &hf_kerberos_etype , BER_CLASS_CON, 0, 0, dissect_kerberos_ENCTYPE }, { &hf_kerberos_kvno , BER_CLASS_CON, 1, BER_FLAGS_OPTIONAL, dissect_kerberos_UInt32 }, { &hf_kerberos_cipher , BER_CLASS_CON, 2, 0, dissect_kerberos_OCTET_STRING }, { NULL, 0, 0, 0, NULL } }; static int dissect_kerberos_EncryptedSpakeData(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset, EncryptedSpakeData_sequence, hf_index, ett_kerberos_EncryptedSpakeData); return offset; } static const ber_sequence_t EncryptedSpakeResponseData_sequence[] = { { &hf_kerberos_etype , BER_CLASS_CON, 0, 0, dissect_kerberos_ENCTYPE }, { &hf_kerberos_kvno , BER_CLASS_CON, 1, BER_FLAGS_OPTIONAL, dissect_kerberos_UInt32 }, { &hf_kerberos_cipher , BER_CLASS_CON, 2, 0, dissect_kerberos_OCTET_STRING }, { NULL, 0, 0, 0, NULL } }; static int dissect_kerberos_EncryptedSpakeResponseData(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset, EncryptedSpakeResponseData_sequence, hf_index, ett_kerberos_EncryptedSpakeResponseData); return offset; } static const value_string kerberos_SPAKEGroup_vals[] = { { 1, "sPAKEGroup-edwards25519" }, { 2, "sPAKEGroup-P-256" }, { 3, "sPAKEGroup-P-384" }, { 4, "sPAKEGroup-P-521" }, { 0, NULL } }; static int dissect_kerberos_SPAKEGroup(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_integer(implicit_tag, actx, tree, tvb, offset, hf_index, NULL); return offset; } static const value_string kerberos_SPAKESecondFactorType_vals[] = { { 1, "sPAKESecondFactor-SF-NONE" }, { 0, NULL } }; static int dissect_kerberos_SPAKESecondFactorType(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_integer(implicit_tag, actx, tree, tvb, offset, hf_index, NULL); return offset; } static const ber_sequence_t SEQUENCE_SIZE_1_MAX_OF_SPAKEGroup_sequence_of[1] = { { &hf_kerberos_groups_item, BER_CLASS_UNI, BER_UNI_TAG_INTEGER, BER_FLAGS_NOOWNTAG, dissect_kerberos_SPAKEGroup }, }; static int dissect_kerberos_SEQUENCE_SIZE_1_MAX_OF_SPAKEGroup(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_sequence_of(implicit_tag, actx, tree, tvb, offset, SEQUENCE_SIZE_1_MAX_OF_SPAKEGroup_sequence_of, hf_index, ett_kerberos_SEQUENCE_SIZE_1_MAX_OF_SPAKEGroup); return offset; } static const ber_sequence_t SPAKESupport_sequence[] = { { &hf_kerberos_groups , BER_CLASS_CON, 0, 0, dissect_kerberos_SEQUENCE_SIZE_1_MAX_OF_SPAKEGroup }, { NULL, 0, 0, 0, NULL } }; static int dissect_kerberos_SPAKESupport(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset, SPAKESupport_sequence, hf_index, ett_kerberos_SPAKESupport); return offset; } static const ber_sequence_t SPAKESecondFactor_sequence[] = { { &hf_kerberos_type , BER_CLASS_CON, 0, 0, dissect_kerberos_SPAKESecondFactorType }, { &hf_kerberos_data , BER_CLASS_CON, 1, BER_FLAGS_OPTIONAL, dissect_kerberos_OCTET_STRING }, { NULL, 0, 0, 0, NULL } }; static int dissect_kerberos_SPAKESecondFactor(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset, SPAKESecondFactor_sequence, hf_index, ett_kerberos_SPAKESecondFactor); return offset; } static const ber_sequence_t SEQUENCE_SIZE_1_MAX_OF_SPAKESecondFactor_sequence_of[1] = { { &hf_kerberos_factors_item, BER_CLASS_UNI, BER_UNI_TAG_SEQUENCE, BER_FLAGS_NOOWNTAG, dissect_kerberos_SPAKESecondFactor }, }; static int dissect_kerberos_SEQUENCE_SIZE_1_MAX_OF_SPAKESecondFactor(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_sequence_of(implicit_tag, actx, tree, tvb, offset, SEQUENCE_SIZE_1_MAX_OF_SPAKESecondFactor_sequence_of, hf_index, ett_kerberos_SEQUENCE_SIZE_1_MAX_OF_SPAKESecondFactor); return offset; } static const ber_sequence_t SPAKEChallenge_sequence[] = { { &hf_kerberos_group , BER_CLASS_CON, 0, 0, dissect_kerberos_SPAKEGroup }, { &hf_kerberos_pubkey , BER_CLASS_CON, 1, 0, dissect_kerberos_OCTET_STRING }, { &hf_kerberos_factors , BER_CLASS_CON, 2, 0, dissect_kerberos_SEQUENCE_SIZE_1_MAX_OF_SPAKESecondFactor }, { NULL, 0, 0, 0, NULL } }; static int dissect_kerberos_SPAKEChallenge(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset, SPAKEChallenge_sequence, hf_index, ett_kerberos_SPAKEChallenge); return offset; } static const ber_sequence_t SPAKEResponse_sequence[] = { { &hf_kerberos_pubkey , BER_CLASS_CON, 0, 0, dissect_kerberos_OCTET_STRING }, { &hf_kerberos_factor , BER_CLASS_CON, 1, 0, dissect_kerberos_EncryptedSpakeResponseData }, { NULL, 0, 0, 0, NULL } }; static int dissect_kerberos_SPAKEResponse(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset, SPAKEResponse_sequence, hf_index, ett_kerberos_SPAKEResponse); return offset; } static const value_string kerberos_PA_SPAKE_vals[] = { { 0, "support" }, { 1, "challenge" }, { 2, "response" }, { 3, "encdata" }, { 0, NULL } }; static const ber_choice_t PA_SPAKE_choice[] = { { 0, &hf_kerberos_support , BER_CLASS_CON, 0, 0, dissect_kerberos_SPAKESupport }, { 1, &hf_kerberos_challenge , BER_CLASS_CON, 1, 0, dissect_kerberos_SPAKEChallenge }, { 2, &hf_kerberos_response , BER_CLASS_CON, 2, 0, dissect_kerberos_SPAKEResponse }, { 3, &hf_kerberos_encdata , BER_CLASS_CON, 3, 0, dissect_kerberos_EncryptedSpakeData }, { 0, NULL, 0, 0, 0, NULL } }; static int dissect_kerberos_PA_SPAKE(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { kerberos_private_data_t* private_data = kerberos_get_private_data(actx); offset = dissect_ber_choice(actx, tree, tvb, offset, PA_SPAKE_choice, hf_index, ett_kerberos_PA_SPAKE, &(private_data->padata_type)); if(tree){ proto_item_append_text(tree, " %s", val_to_str(private_data->padata_type, kerberos_PA_SPAKE_vals, "Unknown:%d")); } return offset; } #ifdef HAVE_KERBEROS static const ber_sequence_t PA_ENC_TS_ENC_sequence[] = { { &hf_krb_patimestamp, BER_CLASS_CON, 0, 0, dissect_kerberos_KerberosTime }, { &hf_krb_pausec , BER_CLASS_CON, 1, BER_FLAGS_OPTIONAL, dissect_kerberos_Microseconds }, { NULL, 0, 0, 0, NULL } }; static int dissect_kerberos_PA_ENC_TS_ENC(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset, PA_ENC_TS_ENC_sequence, hf_index, ett_krb_pa_enc_ts_enc); return offset; } static int dissect_kerberos_T_strengthen_key(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { kerberos_private_data_t *private_data = kerberos_get_private_data(actx); gint save_encryption_key_parent_hf_index = private_data->save_encryption_key_parent_hf_index; kerberos_key_save_fn saved_encryption_key_fn = private_data->save_encryption_key_fn; private_data->save_encryption_key_parent_hf_index = hf_kerberos_KrbFastResponse; #ifdef HAVE_KERBEROS private_data->save_encryption_key_fn = save_KrbFastResponse_strengthen_key; #endif offset = dissect_kerberos_EncryptionKey(implicit_tag, tvb, offset, actx, tree, hf_index); private_data->save_encryption_key_parent_hf_index = save_encryption_key_parent_hf_index; private_data->save_encryption_key_fn = saved_encryption_key_fn; return offset; } static const ber_sequence_t KrbFastFinished_sequence[] = { { &hf_kerberos_timestamp , BER_CLASS_CON, 0, 0, dissect_kerberos_KerberosTime }, { &hf_kerberos_usec , BER_CLASS_CON, 1, 0, dissect_kerberos_Microseconds }, { &hf_kerberos_crealm , BER_CLASS_CON, 2, 0, dissect_kerberos_Realm }, { &hf_kerberos_cname_01 , BER_CLASS_CON, 3, 0, dissect_kerberos_PrincipalName }, { &hf_kerberos_ticket_checksum, BER_CLASS_CON, 4, 0, dissect_kerberos_Checksum }, { NULL, 0, 0, 0, NULL } }; static int dissect_kerberos_KrbFastFinished(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset, KrbFastFinished_sequence, hf_index, ett_kerberos_KrbFastFinished); return offset; } static const ber_sequence_t KrbFastResponse_sequence[] = { { &hf_kerberos_rEP_SEQUENCE_OF_PA_DATA, BER_CLASS_CON, 0, 0, dissect_kerberos_T_rEP_SEQUENCE_OF_PA_DATA }, { &hf_kerberos_strengthen_key, BER_CLASS_CON, 1, BER_FLAGS_OPTIONAL, dissect_kerberos_T_strengthen_key }, { &hf_kerberos_finished , BER_CLASS_CON, 2, BER_FLAGS_OPTIONAL, dissect_kerberos_KrbFastFinished }, { &hf_kerberos_nonce , BER_CLASS_CON, 3, 0, dissect_kerberos_UInt32 }, { NULL, 0, 0, 0, NULL } }; static int dissect_kerberos_KrbFastResponse(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset, KrbFastResponse_sequence, hf_index, ett_kerberos_KrbFastResponse); return offset; } static const ber_sequence_t KrbFastReq_sequence[] = { { &hf_kerberos_fast_options, BER_CLASS_CON, 0, 0, dissect_kerberos_FastOptions }, { &hf_kerberos_rEQ_SEQUENCE_OF_PA_DATA, BER_CLASS_CON, 1, 0, dissect_kerberos_T_rEQ_SEQUENCE_OF_PA_DATA }, { &hf_kerberos_req_body , BER_CLASS_CON, 2, 0, dissect_kerberos_KDC_REQ_BODY }, { NULL, 0, 0, 0, NULL } }; static int dissect_kerberos_KrbFastReq(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { kerberos_private_data_t *private_data = kerberos_get_private_data(actx); struct _kerberos_PA_FX_FAST_REQUEST saved_stack = private_data->PA_FX_FAST_REQUEST; private_data->PA_FX_FAST_REQUEST = (struct _kerberos_PA_FX_FAST_REQUEST) { .defer = FALSE, }; offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset, KrbFastReq_sequence, hf_index, ett_kerberos_KrbFastReq); private_data->PA_FX_FAST_REQUEST = saved_stack; return offset; } static int * const FastOptions_bits[] = { &hf_kerberos_FastOptions_reserved, &hf_kerberos_FastOptions_hide_client_names, &hf_kerberos_FastOptions_spare_bit2, &hf_kerberos_FastOptions_spare_bit3, &hf_kerberos_FastOptions_spare_bit4, &hf_kerberos_FastOptions_spare_bit5, &hf_kerberos_FastOptions_spare_bit6, &hf_kerberos_FastOptions_spare_bit7, &hf_kerberos_FastOptions_spare_bit8, &hf_kerberos_FastOptions_spare_bit9, &hf_kerberos_FastOptions_spare_bit10, &hf_kerberos_FastOptions_spare_bit11, &hf_kerberos_FastOptions_spare_bit12, &hf_kerberos_FastOptions_spare_bit13, &hf_kerberos_FastOptions_spare_bit14, &hf_kerberos_FastOptions_spare_bit15, &hf_kerberos_FastOptions_kdc_follow_referrals, NULL }; static int dissect_kerberos_FastOptions(bool implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) { offset = dissect_ber_bitstring(implicit_tag, actx, tree, tvb, offset, FastOptions_bits, 17, hf_index, ett_kerberos_FastOptions, NULL); return offset; } #endif /* HAVE_KERBEROS */ /* Make wrappers around exported functions for now */ int dissect_krb5_Checksum(proto_tree *tree, tvbuff_t *tvb, int offset, asn1_ctx_t *actx _U_) { return dissect_kerberos_Checksum(FALSE, tvb, offset, actx, tree, hf_kerberos_cksum); } int dissect_krb5_ctime(proto_tree *tree, tvbuff_t *tvb, int offset, asn1_ctx_t *actx _U_) { return dissect_kerberos_KerberosTime(FALSE, tvb, offset, actx, tree, hf_kerberos_ctime); } int dissect_krb5_cname(proto_tree *tree, tvbuff_t *tvb, int offset, asn1_ctx_t *actx _U_) { return dissect_kerberos_PrincipalName(FALSE, tvb, offset, actx, tree, hf_kerberos_cname); } int dissect_krb5_realm(proto_tree *tree, tvbuff_t *tvb, int offset, asn1_ctx_t *actx _U_) { return dissect_kerberos_Realm(FALSE, tvb, offset, actx, tree, hf_kerberos_realm); } struct kerberos_display_key_state { proto_tree *tree; packet_info *pinfo; expert_field *expindex; const char *name; tvbuff_t *tvb; gint start; gint length; }; static void #ifdef HAVE_KERBEROS kerberos_display_key(gpointer data, gpointer userdata) #else kerberos_display_key(gpointer data _U_, gpointer userdata _U_) #endif { #ifdef HAVE_KERBEROS struct kerberos_display_key_state *state = (struct kerberos_display_key_state *)userdata; const enc_key_t *ek = (const enc_key_t *)data; proto_item *item = NULL; enc_key_t *sek = NULL; item = proto_tree_add_expert_format(state->tree, state->pinfo, state->expindex, state->tvb, state->start, state->length, "%s %s keytype %d (id=%s same=%u) (%02x%02x%02x%02x...)", state->name, ek->key_origin, ek->keytype, ek->id_str, ek->num_same, ek->keyvalue[0] & 0xFF, ek->keyvalue[1] & 0xFF, ek->keyvalue[2] & 0xFF, ek->keyvalue[3] & 0xFF); if (ek->src1 != NULL) { sek = ek->src1; expert_add_info_format(state->pinfo, item, state->expindex, "SRC1 %s keytype %d (id=%s same=%u) (%02x%02x%02x%02x...)", sek->key_origin, sek->keytype, sek->id_str, sek->num_same, sek->keyvalue[0] & 0xFF, sek->keyvalue[1] & 0xFF, sek->keyvalue[2] & 0xFF, sek->keyvalue[3] & 0xFF); } if (ek->src2 != NULL) { sek = ek->src2; expert_add_info_format(state->pinfo, item, state->expindex, "SRC2 %s keytype %d (id=%s same=%u) (%02x%02x%02x%02x...)", sek->key_origin, sek->keytype, sek->id_str, sek->num_same, sek->keyvalue[0] & 0xFF, sek->keyvalue[1] & 0xFF, sek->keyvalue[2] & 0xFF, sek->keyvalue[3] & 0xFF); } sek = ek->same_list; while (sek != NULL) { expert_add_info_format(state->pinfo, item, state->expindex, "%s %s keytype %d (id=%s same=%u) (%02x%02x%02x%02x...)", state->name, sek->key_origin, sek->keytype, sek->id_str, sek->num_same, sek->keyvalue[0] & 0xFF, sek->keyvalue[1] & 0xFF, sek->keyvalue[2] & 0xFF, sek->keyvalue[3] & 0xFF); sek = sek->same_list; } #endif /* HAVE_KERBEROS */ } static const value_string KERB_LOGON_SUBMIT_TYPE[] = { { 2, "KerbInteractiveLogon" }, { 6, "KerbSmartCardLogon" }, { 7, "KerbWorkstationUnlockLogon" }, { 8, "KerbSmartCardUnlockLogon" }, { 9, "KerbProxyLogon" }, { 10, "KerbTicketLogon" }, { 11, "KerbTicketUnlockLogon" }, { 12, "KerbS4ULogon" }, { 13, "KerbCertificateLogon" }, { 14, "KerbCertificateS4ULogon" }, { 15, "KerbCertificateUnlockLogon" }, { 0, NULL } }; #define KERB_LOGON_FLAG_ALLOW_EXPIRED_TICKET 0x1 #define KERB_LOGON_FLAG_REDIRECTED 0x2 static int* const ktl_flags_bits[] = { &hf_kerberos_KERB_TICKET_LOGON_FLAG_ALLOW_EXPIRED_TICKET, &hf_kerberos_KERB_TICKET_LOGON_FLAG_REDIRECTED, NULL }; int dissect_kerberos_KERB_TICKET_LOGON(tvbuff_t *tvb, int offset, asn1_ctx_t *actx, proto_tree *tree) { proto_item *item; proto_tree *subtree; guint32 ServiceTicketLength; guint32 TicketGrantingTicketLength; int orig_offset; if (tvb_captured_length(tvb) < 32) return offset; item = proto_tree_add_item(tree, hf_kerberos_KERB_TICKET_LOGON, tvb, offset, -1, ENC_NA); subtree = proto_item_add_subtree(item, ett_kerberos_KERB_TICKET_LOGON); proto_tree_add_item(subtree, hf_kerberos_KERB_TICKET_LOGON_MessageType, tvb, offset, 4, ENC_LITTLE_ENDIAN); offset+=4; proto_tree_add_bitmask(subtree, tvb, offset, hf_kerberos_KERB_TICKET_LOGON_Flags, ett_kerberos, ktl_flags_bits, ENC_LITTLE_ENDIAN); offset+=4; ServiceTicketLength = tvb_get_letohl(tvb, offset); proto_tree_add_item(subtree, hf_kerberos_KERB_TICKET_LOGON_ServiceTicketLength, tvb, offset, 4, ENC_LITTLE_ENDIAN); offset+=4; TicketGrantingTicketLength = tvb_get_letohl(tvb, offset); proto_tree_add_item(subtree, hf_kerberos_KERB_TICKET_LOGON_TicketGrantingTicketLength, tvb, offset, 4, ENC_LITTLE_ENDIAN); offset+=4; /* Skip two PUCHAR of ServiceTicket and TicketGrantingTicket */ offset+=16; if (ServiceTicketLength == 0) return offset; orig_offset = offset; offset = dissect_kerberos_Ticket(FALSE, tvb, offset, actx, subtree, hf_kerberos_KERB_TICKET_LOGON_ServiceTicket); if ((unsigned)(offset-orig_offset) != ServiceTicketLength) return offset; if (TicketGrantingTicketLength == 0) return offset; offset = dissect_kerberos_KRB_CRED(FALSE, tvb, offset, actx, subtree, hf_kerberos_KERB_TICKET_LOGON_TicketGrantingTicket); if ((unsigned)(offset-orig_offset) != ServiceTicketLength + TicketGrantingTicketLength) return offset; return offset; } static gint dissect_kerberos_common(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, bool dci, bool do_col_protocol, bool have_rm, kerberos_callbacks *cb) { volatile int offset = 0; proto_tree *volatile kerberos_tree = NULL; proto_item *volatile item = NULL; kerberos_private_data_t *private_data = NULL; asn1_ctx_t asn1_ctx; /* TCP record mark and length */ guint32 krb_rm = 0; gint krb_reclen = 0; gbl_do_col_info=dci; if (have_rm) { krb_rm = tvb_get_ntohl(tvb, offset); krb_reclen = kerberos_rm_to_reclen(krb_rm); /* * What is a reasonable size limit? */ if (krb_reclen > 10 * 1024 * 1024) { return (-1); } if (do_col_protocol) { col_set_str(pinfo->cinfo, COL_PROTOCOL, "KRB5"); } if (tree) { item = proto_tree_add_item(tree, proto_kerberos, tvb, 0, -1, ENC_NA); kerberos_tree = proto_item_add_subtree(item, ett_kerberos); } show_krb_recordmark(kerberos_tree, tvb, offset, krb_rm); offset += 4; } else { /* Do some sanity checking here, * All krb5 packets start with a TAG class that is BER_CLASS_APP * and a tag value that is either of the values below: * If it doesn't look like kerberos, return 0 and let someone else have * a go at it. */ gint8 tmp_class; bool tmp_pc; gint32 tmp_tag; get_ber_identifier(tvb, offset, &tmp_class, &tmp_pc, &tmp_tag); if(tmp_class!=BER_CLASS_APP){ return 0; } switch(tmp_tag){ case KRB5_MSG_TICKET: case KRB5_MSG_AUTHENTICATOR: case KRB5_MSG_ENC_TICKET_PART: case KRB5_MSG_AS_REQ: case KRB5_MSG_AS_REP: case KRB5_MSG_TGS_REQ: case KRB5_MSG_TGS_REP: case KRB5_MSG_AP_REQ: case KRB5_MSG_AP_REP: case KRB5_MSG_ENC_AS_REP_PART: case KRB5_MSG_ENC_TGS_REP_PART: case KRB5_MSG_ENC_AP_REP_PART: case KRB5_MSG_ENC_KRB_PRIV_PART: case KRB5_MSG_ENC_KRB_CRED_PART: case KRB5_MSG_SAFE: case KRB5_MSG_PRIV: case KRB5_MSG_ERROR: break; default: return 0; } if (do_col_protocol) { col_set_str(pinfo->cinfo, COL_PROTOCOL, "KRB5"); } if (gbl_do_col_info) { col_clear(pinfo->cinfo, COL_INFO); } if (tree) { item = proto_tree_add_item(tree, proto_kerberos, tvb, 0, -1, ENC_NA); kerberos_tree = proto_item_add_subtree(item, ett_kerberos); } } asn1_ctx_init(&asn1_ctx, ASN1_ENC_BER, TRUE, pinfo); asn1_ctx.private_data = NULL; private_data = kerberos_get_private_data(&asn1_ctx); private_data->callbacks = cb; TRY { offset=dissect_kerberos_Applications(FALSE, tvb, offset, &asn1_ctx , kerberos_tree, /* hf_index */ -1); } CATCH_BOUNDS_ERRORS { RETHROW; } ENDTRY; if (kerberos_tree != NULL) { struct kerberos_display_key_state display_state = { .tree = kerberos_tree, .pinfo = pinfo, .expindex = &ei_kerberos_learnt_keytype, .name = "Provides", .tvb = tvb, }; wmem_list_foreach(private_data->learnt_keys, kerberos_display_key, &display_state); } if (kerberos_tree != NULL) { struct kerberos_display_key_state display_state = { .tree = kerberos_tree, .pinfo = pinfo, .expindex = &ei_kerberos_missing_keytype, .name = "Missing", .tvb = tvb, }; wmem_list_foreach(private_data->missing_keys, kerberos_display_key, &display_state); } if (kerberos_tree != NULL) { struct kerberos_display_key_state display_state = { .tree = kerberos_tree, .pinfo = pinfo, .expindex = &ei_kerberos_decrypted_keytype, .name = "Used", .tvb = tvb, }; wmem_list_foreach(private_data->decryption_keys, kerberos_display_key, &display_state); } proto_item_set_len(item, offset); return offset; } /* * Display the TCP record mark. */ void show_krb_recordmark(proto_tree *tree, tvbuff_t *tvb, gint start, guint32 krb_rm) { gint rec_len; proto_tree *rm_tree; if (tree == NULL) return; rec_len = kerberos_rm_to_reclen(krb_rm); rm_tree = proto_tree_add_subtree_format(tree, tvb, start, 4, ett_krb_recordmark, NULL, "Record Mark: %u %s", rec_len, plurality(rec_len, "byte", "bytes")); proto_tree_add_boolean(rm_tree, hf_krb_rm_reserved, tvb, start, 4, krb_rm); proto_tree_add_uint(rm_tree, hf_krb_rm_reclen, tvb, start, 4, krb_rm); } gint dissect_kerberos_main(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int do_col_info, kerberos_callbacks *cb) { return (dissect_kerberos_common(tvb, pinfo, tree, do_col_info, FALSE, FALSE, cb)); } guint32 kerberos_output_keytype(void) { return gbl_keytype; } static gint dissect_kerberos_udp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_) { /* Some weird kerberos implementation apparently do krb4 on the krb5 port. Since all (except weirdo transarc krb4 stuff) use an opcode <=16 in the first byte, use this to see if it might be krb4. All krb5 commands start with an APPL tag and thus is >=0x60 so if first byte is <=16 just blindly assume it is krb4 then */ if(tvb_captured_length(tvb) >= 1 && tvb_get_guint8(tvb, 0)<=0x10){ if(krb4_handle){ gboolean res; res=call_dissector_only(krb4_handle, tvb, pinfo, tree, NULL); return res; }else{ return 0; } } return dissect_kerberos_common(tvb, pinfo, tree, TRUE, TRUE, FALSE, NULL); } gint kerberos_rm_to_reclen(guint krb_rm) { return (krb_rm & KRB_RM_RECLEN); } guint get_krb_pdu_len(packet_info *pinfo _U_, tvbuff_t *tvb, int offset, void *data _U_) { guint krb_rm; gint pdulen; krb_rm = tvb_get_ntohl(tvb, offset); pdulen = kerberos_rm_to_reclen(krb_rm); return (pdulen + 4); } static void kerberos_prefs_apply_cb(void) { #ifdef HAVE_LIBNETTLE clear_keytab(); read_keytab_file(keytab_filename); #endif } static int dissect_kerberos_tcp_pdu(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_) { pinfo->fragmented = TRUE; if (dissect_kerberos_common(tvb, pinfo, tree, TRUE, TRUE, TRUE, NULL) < 0) { /* * The dissector failed to recognize this as a valid * Kerberos message. Mark it as a continuation packet. */ col_set_str(pinfo->cinfo, COL_INFO, "Continuation"); } return tvb_captured_length(tvb); } static int dissect_kerberos_tcp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data) { col_set_str(pinfo->cinfo, COL_PROTOCOL, "KRB5"); col_clear(pinfo->cinfo, COL_INFO); tcp_dissect_pdus(tvb, pinfo, tree, krb_desegment, 4, get_krb_pdu_len, dissect_kerberos_tcp_pdu, data); return tvb_captured_length(tvb); } /*--- proto_register_kerberos -------------------------------------------*/ void proto_register_kerberos(void) { /* List of fields */ static hf_register_info hf[] = { { &hf_krb_rm_reserved, { "Reserved", "kerberos.rm.reserved", FT_BOOLEAN, 32, TFS(&tfs_set_notset), KRB_RM_RESERVED, "Record mark reserved bit", HFILL }}, { &hf_krb_rm_reclen, { "Record Length", "kerberos.rm.length", FT_UINT32, BASE_DEC, NULL, KRB_RM_RECLEN, NULL, HFILL }}, { &hf_krb_provsrv_location, { "PROVSRV Location", "kerberos.provsrv_location", FT_STRING, BASE_NONE, NULL, 0, "PacketCable PROV SRV Location", HFILL }}, { &hf_krb_pw_salt, { "pw-salt", "kerberos.pw_salt", FT_BYTES, BASE_NONE, NULL, 0, NULL, HFILL }}, { &hf_krb_ext_error_nt_status, /* we keep kerberos.smb.nt_status for compat reasons */ { "NT Status", "kerberos.smb.nt_status", FT_UINT32, BASE_HEX, VALS(NT_errors), 0, "NT Status code", HFILL }}, { &hf_krb_ext_error_reserved, { "Reserved", "kerberos.ext_error.reserved", FT_UINT32, BASE_HEX, NULL, 0, NULL, HFILL }}, { &hf_krb_ext_error_flags, { "Flags", "kerberos.ext_error.flags", FT_UINT32, BASE_HEX, NULL, 0, NULL, HFILL }}, { &hf_krb_address_ip, { "IP Address", "kerberos.addr_ip", FT_IPv4, BASE_NONE, NULL, 0, NULL, HFILL }}, { &hf_krb_address_ipv6, { "IPv6 Address", "kerberos.addr_ipv6", FT_IPv6, BASE_NONE, NULL, 0, NULL, HFILL }}, { &hf_krb_address_netbios, { "NetBIOS Address", "kerberos.addr_nb", FT_STRING, BASE_NONE, NULL, 0, "NetBIOS Address and type", HFILL }}, { &hf_krb_gssapi_len, { "Length", "kerberos.gssapi.len", FT_UINT32, BASE_DEC, NULL, 0, "Length of GSSAPI Bnd field", HFILL }}, { &hf_krb_gssapi_bnd, { "Bnd", "kerberos.gssapi.bdn", FT_BYTES, BASE_NONE, NULL, 0, "GSSAPI Bnd field", HFILL }}, { &hf_krb_gssapi_c_flag_deleg, { "Deleg", "kerberos.gssapi.checksum.flags.deleg", FT_BOOLEAN, 32, TFS(&tfs_gss_flags_deleg), KRB5_GSS_C_DELEG_FLAG, NULL, HFILL }}, { &hf_krb_gssapi_c_flag_mutual, { "Mutual", "kerberos.gssapi.checksum.flags.mutual", FT_BOOLEAN, 32, TFS(&tfs_gss_flags_mutual), KRB5_GSS_C_MUTUAL_FLAG, NULL, HFILL }}, { &hf_krb_gssapi_c_flag_replay, { "Replay", "kerberos.gssapi.checksum.flags.replay", FT_BOOLEAN, 32, TFS(&tfs_gss_flags_replay), KRB5_GSS_C_REPLAY_FLAG, NULL, HFILL }}, { &hf_krb_gssapi_c_flag_sequence, { "Sequence", "kerberos.gssapi.checksum.flags.sequence", FT_BOOLEAN, 32, TFS(&tfs_gss_flags_sequence), KRB5_GSS_C_SEQUENCE_FLAG, NULL, HFILL }}, { &hf_krb_gssapi_c_flag_conf, { "Conf", "kerberos.gssapi.checksum.flags.conf", FT_BOOLEAN, 32, TFS(&tfs_gss_flags_conf), KRB5_GSS_C_CONF_FLAG, NULL, HFILL }}, { &hf_krb_gssapi_c_flag_integ, { "Integ", "kerberos.gssapi.checksum.flags.integ", FT_BOOLEAN, 32, TFS(&tfs_gss_flags_integ), KRB5_GSS_C_INTEG_FLAG, NULL, HFILL }}, { &hf_krb_gssapi_c_flag_dce_style, { "DCE-style", "kerberos.gssapi.checksum.flags.dce-style", FT_BOOLEAN, 32, TFS(&tfs_gss_flags_dce_style), KRB5_GSS_C_DCE_STYLE, NULL, HFILL }}, { &hf_krb_gssapi_dlgopt, { "DlgOpt", "kerberos.gssapi.dlgopt", FT_UINT16, BASE_DEC, NULL, 0, "GSSAPI DlgOpt", HFILL }}, { &hf_krb_gssapi_dlglen, { "DlgLen", "kerberos.gssapi.dlglen", FT_UINT16, BASE_DEC, NULL, 0, "GSSAPI DlgLen", HFILL }}, { &hf_krb_midl_blob_len, { "Blob Length", "kerberos.midl_blob_len", FT_UINT64, BASE_DEC, NULL, 0, "Length of NDR encoded data that follows", HFILL }}, { &hf_krb_midl_fill_bytes, { "Fill bytes", "kerberos.midl.fill_bytes", FT_UINT32, BASE_HEX, NULL, 0, "Just some fill bytes", HFILL }}, { &hf_krb_midl_version, { "Version", "kerberos.midl.version", FT_UINT8, BASE_DEC, NULL, 0, "Version of pickling", HFILL }}, { &hf_krb_midl_hdr_len, { "HDR Length", "kerberos.midl.hdr_len", FT_UINT16, BASE_DEC, NULL, 0, "Length of header", HFILL }}, { &hf_krb_pac_signature_type, { "Type", "kerberos.pac.signature.type", FT_INT32, BASE_DEC, NULL, 0, "PAC Signature Type", HFILL }}, { &hf_krb_pac_signature_signature, { "Signature", "kerberos.pac.signature.signature", FT_BYTES, BASE_NONE, NULL, 0, "A PAC signature blob", HFILL }}, { &hf_krb_w2k_pac_entries, { "Num Entries", "kerberos.pac.entries", FT_UINT32, BASE_DEC, NULL, 0, "Number of W2k PAC entries", HFILL }}, { &hf_krb_w2k_pac_version, { "Version", "kerberos.pac.version", FT_UINT32, BASE_DEC, NULL, 0, "Version of PAC structures", HFILL }}, { &hf_krb_w2k_pac_type, { "Type", "kerberos.pac.type", FT_UINT32, BASE_DEC, VALS(w2k_pac_types), 0, "Type of W2k PAC entry", HFILL }}, { &hf_krb_w2k_pac_size, { "Size", "kerberos.pac.size", FT_UINT32, BASE_DEC, NULL, 0, "Size of W2k PAC entry", HFILL }}, { &hf_krb_w2k_pac_offset, { "Offset", "kerberos.pac.offset", FT_UINT32, BASE_DEC, NULL, 0, "Offset to W2k PAC entry", HFILL }}, { &hf_krb_pac_clientid, { "ClientID", "kerberos.pac.clientid", FT_ABSOLUTE_TIME, ABSOLUTE_TIME_LOCAL, NULL, 0, "ClientID Timestamp", HFILL }}, { &hf_krb_pac_namelen, { "Name Length", "kerberos.pac.namelen", FT_UINT16, BASE_DEC, NULL, 0, "Length of client name", HFILL }}, { &hf_krb_pac_clientname, { "Name", "kerberos.pac.name", FT_STRING, BASE_NONE, NULL, 0, "Name of the Client in the PAC structure", HFILL }}, { &hf_krb_pac_logon_info, { "PAC_LOGON_INFO", "kerberos.pac_logon_info", FT_BYTES, BASE_NONE, NULL, 0, "PAC_LOGON_INFO structure", HFILL }}, { &hf_krb_pac_credential_data, { "PAC_CREDENTIAL_DATA", "kerberos.pac_credential_data", FT_BYTES, BASE_NONE, NULL, 0, "PAC_CREDENTIAL_DATA structure", HFILL }}, { &hf_krb_pac_credential_info, { "PAC_CREDENTIAL_INFO", "kerberos.pac_credential_info", FT_BYTES, BASE_NONE, NULL, 0, "PAC_CREDENTIAL_INFO structure", HFILL }}, { &hf_krb_pac_credential_info_version, { "Version", "kerberos.pac_credential_info.version", FT_UINT32, BASE_DEC, NULL, 0, NULL, HFILL }}, { &hf_krb_pac_credential_info_etype, { "Etype", "kerberos.pac_credential_info.etype", FT_UINT32, BASE_DEC, NULL, 0, NULL, HFILL }}, { &hf_krb_pac_server_checksum, { "PAC_SERVER_CHECKSUM", "kerberos.pac_server_checksum", FT_BYTES, BASE_NONE, NULL, 0, "PAC_SERVER_CHECKSUM structure", HFILL }}, { &hf_krb_pac_privsvr_checksum, { "PAC_PRIVSVR_CHECKSUM", "kerberos.pac_privsvr_checksum", FT_BYTES, BASE_NONE, NULL, 0, "PAC_PRIVSVR_CHECKSUM structure", HFILL }}, { &hf_krb_pac_client_info_type, { "PAC_CLIENT_INFO_TYPE", "kerberos.pac_client_info_type", FT_BYTES, BASE_NONE, NULL, 0, "PAC_CLIENT_INFO_TYPE structure", HFILL }}, { &hf_krb_pac_s4u_delegation_info, { "PAC_S4U_DELEGATION_INFO", "kerberos.pac_s4u_delegation_info", FT_BYTES, BASE_NONE, NULL, 0, "PAC_S4U_DELEGATION_INFO structure", HFILL }}, { &hf_krb_pac_upn_dns_info, { "UPN_DNS_INFO", "kerberos.pac_upn_dns_info", FT_BYTES, BASE_NONE, NULL, 0, "UPN_DNS_INFO structure", HFILL }}, { &hf_krb_pac_upn_flags, { "Flags", "kerberos.pac.upn.flags", FT_UINT32, BASE_HEX, NULL, 0, "UPN flags", HFILL }}, { &hf_krb_pac_upn_flag_upn_constructed, { "UPN Name Constructed", "kerberos.pac.upn.flags.upn_constructed", FT_BOOLEAN, 32, TFS(&tfs_krb_pac_upn_flag_upn_constructed), PAC_UPN_DNS_FLAG_CONSTRUCTED, "Is the UPN Name constructed?", HFILL }}, { &hf_krb_pac_upn_flag_has_sam_name_and_sid, { "SAM_NAME and SID Included", "kerberos.pac.upn.flags.has_sam_name_and_sid", FT_BOOLEAN, 32, TFS(&tfs_krb_pac_upn_flag_has_sam_name_and_sid), PAC_UPN_DNS_FLAG_HAS_SAM_NAME_AND_SID, "Are SAM_NAME and SID included?", HFILL }}, { &hf_krb_pac_upn_upn_offset, { "UPN Offset", "kerberos.pac.upn.upn_offset", FT_UINT16, BASE_DEC, NULL, 0, NULL, HFILL }}, { &hf_krb_pac_upn_upn_len, { "UPN Len", "kerberos.pac.upn.upn_len", FT_UINT16, BASE_DEC, NULL, 0, NULL, HFILL }}, { &hf_krb_pac_upn_upn_name, { "UPN Name", "kerberos.pac.upn.upn_name", FT_STRING, BASE_NONE, NULL, 0, NULL, HFILL }}, { &hf_krb_pac_upn_dns_offset, { "DNS Offset", "kerberos.pac.upn.dns_offset", FT_UINT16, BASE_DEC, NULL, 0, NULL, HFILL }}, { &hf_krb_pac_upn_dns_len, { "DNS Len", "kerberos.pac.upn.dns_len", FT_UINT16, BASE_DEC, NULL, 0, NULL, HFILL }}, { &hf_krb_pac_upn_dns_name, { "DNS Name", "kerberos.pac.upn.dns_name", FT_STRING, BASE_NONE, NULL, 0, NULL, HFILL }}, { &hf_krb_pac_upn_samaccountname_offset, { "sAMAccountName Offset", "kerberos.pac.upn.samaccountname_offset", FT_UINT16, BASE_DEC, NULL, 0, NULL, HFILL }}, { &hf_krb_pac_upn_samaccountname_len, { "sAMAccountName Len", "kerberos.pac.upn.samaccountname_len", FT_UINT16, BASE_DEC, NULL, 0, NULL, HFILL }}, { &hf_krb_pac_upn_samaccountname, { "sAMAccountName", "kerberos.pac.upn.samaccountname", FT_STRING, BASE_NONE, NULL, 0, NULL, HFILL }}, { &hf_krb_pac_upn_objectsid_offset, { "objectSid Offset", "kerberos.pac.upn.objectsid_offset", FT_UINT16, BASE_DEC, NULL, 0, NULL, HFILL }}, { &hf_krb_pac_upn_objectsid_len, { "objectSid Len", "kerberos.pac.upn.objectsid_len", FT_UINT16, BASE_DEC, NULL, 0, NULL, HFILL }}, { &hf_krb_pac_client_claims_info, { "PAC_CLIENT_CLAIMS_INFO", "kerberos.pac_client_claims_info", FT_BYTES, BASE_NONE, NULL, 0, "PAC_CLIENT_CLAIMS_INFO structure", HFILL }}, { &hf_krb_pac_device_info, { "PAC_DEVICE_INFO", "kerberos.pac_device_info", FT_BYTES, BASE_NONE, NULL, 0, "PAC_DEVICE_INFO structure", HFILL }}, { &hf_krb_pac_device_claims_info, { "PAC_DEVICE_CLAIMS_INFO", "kerberos.pac_device_claims_info", FT_BYTES, BASE_NONE, NULL, 0, "PAC_DEVICE_CLAIMS_INFO structure", HFILL }}, { &hf_krb_pac_ticket_checksum, { "PAC_TICKET_CHECKSUM", "kerberos.pac_ticket_checksum", FT_BYTES, BASE_NONE, NULL, 0, "PAC_TICKET_CHECKSUM structure", HFILL }}, { &hf_krb_pac_attributes_info, { "PAC_ATTRIBUTES_INFO", "kerberos.pac_attributes_info", FT_BYTES, BASE_NONE, NULL, 0, "PAC_ATTRIBUTES_INFO structure", HFILL }}, { &hf_krb_pac_attributes_info_length, { "Flags Valid Length", "kerberos.pac.attributes_info.length", FT_UINT32, BASE_DEC, NULL, 0, NULL, HFILL }}, { &hf_krb_pac_attributes_info_flags, { "Flags", "kerberos.pac.attributes_info.flags", FT_UINT32, BASE_HEX, NULL, 0, NULL, HFILL }}, { &hf_krb_pac_attributes_info_flags_pac_was_requested, { "PAC Requested", "kerberos.pac.attributes.flags.pac_was_requested", FT_BOOLEAN, 32, TFS(&tfs_krb_pac_attributes_info_pac_was_requested), PAC_ATTRIBUTE_FLAG_PAC_WAS_REQUESTED, "Was a PAC requested?", HFILL }}, { &hf_krb_pac_attributes_info_flags_pac_was_given_implicitly, { "PAC given Implicitly", "kerberos.pac.attributes.flags.pac_was_given_implicitly", FT_BOOLEAN, 32, TFS(&tfs_krb_pac_attributes_info_pac_was_given_implicitly), PAC_ATTRIBUTE_FLAG_PAC_WAS_GIVEN_IMPLICITLY, "Was PAC given implicitly?", HFILL }}, { &hf_krb_pac_requester_sid, { "PAC_REQUESTER_SID", "kerberos.pac_requester_sid", FT_BYTES, BASE_NONE, NULL, 0, "PAC_REQUESTER_SID structure", HFILL }}, { &hf_krb_pa_supported_enctypes, { "SupportedEnctypes", "kerberos.supported_entypes", FT_UINT32, BASE_HEX, NULL, 0, NULL, HFILL }}, { &hf_krb_pa_supported_enctypes_des_cbc_crc, { "des-cbc-crc", "kerberos.supported_entypes.des-cbc-crc", FT_BOOLEAN, 32, TFS(&tfs_supported_not_supported), 0x00000001, NULL, HFILL }}, { &hf_krb_pa_supported_enctypes_des_cbc_md5, { "des-cbc-md5", "kerberos.supported_entypes.des-cbc-md5", FT_BOOLEAN, 32, TFS(&tfs_supported_not_supported), 0x00000002, NULL, HFILL }}, { &hf_krb_pa_supported_enctypes_rc4_hmac, { "rc4-hmac", "kerberos.supported_entypes.rc4-hmac", FT_BOOLEAN, 32, TFS(&tfs_supported_not_supported), 0x00000004, NULL, HFILL }}, { &hf_krb_pa_supported_enctypes_aes128_cts_hmac_sha1_96, { "aes128-cts-hmac-sha1-96", "kerberos.supported_entypes.aes128-cts-hmac-sha1-96", FT_BOOLEAN, 32, TFS(&tfs_supported_not_supported), 0x00000008, NULL, HFILL }}, { &hf_krb_pa_supported_enctypes_aes256_cts_hmac_sha1_96, { "aes256-cts-hmac-sha1-96", "kerberos.supported_entypes.aes256-cts-hmac-sha1-96", FT_BOOLEAN, 32, TFS(&tfs_supported_not_supported), 0x00000010, NULL, HFILL }}, { &hf_krb_pa_supported_enctypes_fast_supported, { "fast-supported", "kerberos.supported_entypes.fast-supported", FT_BOOLEAN, 32, TFS(&tfs_supported_not_supported), 0x00010000, NULL, HFILL }}, { &hf_krb_pa_supported_enctypes_compound_identity_supported, { "compound-identity-supported", "kerberos.supported_entypes.compound-identity-supported", FT_BOOLEAN, 32, TFS(&tfs_supported_not_supported), 0x00020000, NULL, HFILL }}, { &hf_krb_pa_supported_enctypes_claims_supported, { "claims-supported", "kerberos.supported_entypes.claims-supported", FT_BOOLEAN, 32, TFS(&tfs_supported_not_supported), 0x00040000, NULL, HFILL }}, { &hf_krb_pa_supported_enctypes_resource_sid_compression_disabled, { "resource-sid-compression-disabled", "kerberos.supported_entypes.resource-sid-compression-disabled", FT_BOOLEAN, 32, TFS(&tfs_supported_not_supported), 0x00080000, NULL, HFILL }}, { &hf_krb_ad_ap_options, { "AD-AP-Options", "kerberos.ad_ap_options", FT_UINT32, BASE_HEX, NULL, 0, NULL, HFILL }}, { &hf_krb_ad_ap_options_cbt, { "ChannelBindings", "kerberos.ad_ap_options.cbt", FT_BOOLEAN, 32, TFS(&tfs_set_notset), 0x00004000, NULL, HFILL }}, { &hf_krb_ad_target_principal, { "Target Principal", "kerberos.ad_target_principal", FT_STRING, BASE_NONE, NULL, 0, NULL, HFILL }}, { &hf_krb_key_hidden_item, { "KeyHiddenItem", "krb5.key_hidden_item", FT_NONE, BASE_NONE, NULL, 0x0, NULL, HFILL }}, { &hf_kerberos_KERB_TICKET_LOGON, { "KERB_TICKET_LOGON", "kerberos.KERB_TICKET_LOGON", FT_NONE, BASE_NONE, NULL, 0, NULL, HFILL }}, { &hf_kerberos_KERB_TICKET_LOGON_MessageType, { "MessageType", "kerberos.KERB_TICKET_LOGON.MessageType", FT_UINT32, BASE_DEC, VALS(KERB_LOGON_SUBMIT_TYPE), 0, NULL, HFILL }}, { &hf_kerberos_KERB_TICKET_LOGON_Flags, { "Flags", "kerberos.KERB_TICKET_LOGON.Flags", FT_UINT32, BASE_DEC, NULL, 0, NULL, HFILL }}, { &hf_kerberos_KERB_TICKET_LOGON_ServiceTicketLength, { "ServiceTicketLength", "kerberos.KERB_TICKET_LOGON.ServiceTicketLength", FT_UINT32, BASE_DEC, NULL, 0, NULL, HFILL }}, { &hf_kerberos_KERB_TICKET_LOGON_TicketGrantingTicketLength, { "TicketGrantingTicketLength", "kerberos.KERB_TICKET_LOGON.TicketGrantingTicketLength", FT_UINT32, BASE_DEC, NULL, 0, NULL, HFILL }}, { &hf_kerberos_KERB_TICKET_LOGON_ServiceTicket, { "ServiceTicket", "kerberos.KERB_TICKET_LOGON.ServiceTicket", FT_NONE, BASE_NONE, NULL, 0, NULL, HFILL }}, { &hf_kerberos_KERB_TICKET_LOGON_TicketGrantingTicket, { "TicketGrantingTicket", "kerberos.KERB_TICKET_LOGON.TicketGrantingTicket", FT_NONE, BASE_NONE, NULL, 0, NULL, HFILL }}, { &hf_kerberos_KERB_TICKET_LOGON_FLAG_ALLOW_EXPIRED_TICKET, { "allow_expired_ticket", "kerberos.KERB_TICKET_LOGON.FLAG_ALLOW_EXPIRED_TICKET", FT_BOOLEAN, 32, NULL, KERB_LOGON_FLAG_ALLOW_EXPIRED_TICKET, NULL, HFILL }}, { &hf_kerberos_KERB_TICKET_LOGON_FLAG_REDIRECTED, { "redirected", "kerberos.KERB_TICKET_LOGON.FLAG_REDIRECTED", FT_BOOLEAN, 32, NULL, KERB_LOGON_FLAG_REDIRECTED, NULL, HFILL }}, #ifdef HAVE_KERBEROS { &hf_kerberos_KrbFastResponse, { "KrbFastResponse", "kerberos.KrbFastResponse_element", FT_NONE, BASE_NONE, NULL, 0, NULL, HFILL }}, { &hf_kerberos_strengthen_key, { "strengthen-key", "kerberos.strengthen_key_element", FT_NONE, BASE_NONE, NULL, 0, NULL, HFILL }}, { &hf_kerberos_finished, { "finished", "kerberos.finished_element", FT_NONE, BASE_NONE, NULL, 0, "KrbFastFinished", HFILL }}, { &hf_kerberos_fast_options, { "fast-options", "kerberos.fast_options", FT_BYTES, BASE_NONE, NULL, 0, "FastOptions", HFILL }}, { &hf_kerberos_FastOptions_reserved, { "reserved", "kerberos.FastOptions.reserved", FT_BOOLEAN, 8, NULL, 0x80, NULL, HFILL }}, { &hf_kerberos_FastOptions_hide_client_names, { "hide-client-names", "kerberos.FastOptions.hide.client.names", FT_BOOLEAN, 8, NULL, 0x40, NULL, HFILL }}, { &hf_kerberos_FastOptions_spare_bit2, { "spare_bit2", "kerberos.FastOptions.spare.bit2", FT_BOOLEAN, 8, NULL, 0x20, NULL, HFILL }}, { &hf_kerberos_FastOptions_spare_bit3, { "spare_bit3", "kerberos.FastOptions.spare.bit3", FT_BOOLEAN, 8, NULL, 0x10, NULL, HFILL }}, { &hf_kerberos_FastOptions_spare_bit4, { "spare_bit4", "kerberos.FastOptions.spare.bit4", FT_BOOLEAN, 8, NULL, 0x08, NULL, HFILL }}, { &hf_kerberos_FastOptions_spare_bit5, { "spare_bit5", "kerberos.FastOptions.spare.bit5", FT_BOOLEAN, 8, NULL, 0x04, NULL, HFILL }}, { &hf_kerberos_FastOptions_spare_bit6, { "spare_bit6", "kerberos.FastOptions.spare.bit6", FT_BOOLEAN, 8, NULL, 0x02, NULL, HFILL }}, { &hf_kerberos_FastOptions_spare_bit7, { "spare_bit7", "kerberos.FastOptions.spare.bit7", FT_BOOLEAN, 8, NULL, 0x01, NULL, HFILL }}, { &hf_kerberos_FastOptions_spare_bit8, { "spare_bit8", "kerberos.FastOptions.spare.bit8", FT_BOOLEAN, 8, NULL, 0x80, NULL, HFILL }}, { &hf_kerberos_FastOptions_spare_bit9, { "spare_bit9", "kerberos.FastOptions.spare.bit9", FT_BOOLEAN, 8, NULL, 0x40, NULL, HFILL }}, { &hf_kerberos_FastOptions_spare_bit10, { "spare_bit10", "kerberos.FastOptions.spare.bit10", FT_BOOLEAN, 8, NULL, 0x20, NULL, HFILL }}, { &hf_kerberos_FastOptions_spare_bit11, { "spare_bit11", "kerberos.FastOptions.spare.bit11", FT_BOOLEAN, 8, NULL, 0x10, NULL, HFILL }}, { &hf_kerberos_FastOptions_spare_bit12, { "spare_bit12", "kerberos.FastOptions.spare.bit12", FT_BOOLEAN, 8, NULL, 0x08, NULL, HFILL }}, { &hf_kerberos_FastOptions_spare_bit13, { "spare_bit13", "kerberos.FastOptions.spare.bit13", FT_BOOLEAN, 8, NULL, 0x04, NULL, HFILL }}, { &hf_kerberos_FastOptions_spare_bit14, { "spare_bit14", "kerberos.FastOptions.spare.bit14", FT_BOOLEAN, 8, NULL, 0x02, NULL, HFILL }}, { &hf_kerberos_FastOptions_spare_bit15, { "spare_bit15", "kerberos.FastOptions.spare.bit15", FT_BOOLEAN, 8, NULL, 0x01, NULL, HFILL }}, { &hf_kerberos_FastOptions_kdc_follow_referrals, { "kdc-follow-referrals", "kerberos.FastOptions.kdc.follow.referrals", FT_BOOLEAN, 8, NULL, 0x80, NULL, HFILL }}, { &hf_kerberos_ticket_checksum, { "ticket-checksum", "kerberos.ticket_checksum_element", FT_NONE, BASE_NONE, NULL, 0, "Checksum", HFILL }}, { &hf_krb_patimestamp, { "patimestamp", "kerberos.patimestamp", FT_ABSOLUTE_TIME, ABSOLUTE_TIME_LOCAL, NULL, 0, "KerberosTime", HFILL }}, { &hf_krb_pausec, { "pausec", "kerberos.pausec", FT_UINT32, BASE_DEC, NULL, 0, "Microseconds", HFILL }}, #endif /* HAVE_KERBEROS */ { &hf_kerberos_ticket, { "ticket", "kerberos.ticket_element", FT_NONE, BASE_NONE, NULL, 0, NULL, HFILL }}, { &hf_kerberos_authenticator, { "authenticator", "kerberos.authenticator_element", FT_NONE, BASE_NONE, NULL, 0, NULL, HFILL }}, { &hf_kerberos_encTicketPart, { "encTicketPart", "kerberos.encTicketPart_element", FT_NONE, BASE_NONE, NULL, 0, NULL, HFILL }}, { &hf_kerberos_as_req, { "as-req", "kerberos.as_req_element", FT_NONE, BASE_NONE, NULL, 0, NULL, HFILL }}, { &hf_kerberos_as_rep, { "as-rep", "kerberos.as_rep_element", FT_NONE, BASE_NONE, NULL, 0, NULL, HFILL }}, { &hf_kerberos_tgs_req, { "tgs-req", "kerberos.tgs_req_element", FT_NONE, BASE_NONE, NULL, 0, NULL, HFILL }}, { &hf_kerberos_tgs_rep, { "tgs-rep", "kerberos.tgs_rep_element", FT_NONE, BASE_NONE, NULL, 0, NULL, HFILL }}, { &hf_kerberos_ap_req, { "ap-req", "kerberos.ap_req_element", FT_NONE, BASE_NONE, NULL, 0, NULL, HFILL }}, { &hf_kerberos_ap_rep, { "ap-rep", "kerberos.ap_rep_element", FT_NONE, BASE_NONE, NULL, 0, NULL, HFILL }}, { &hf_kerberos_krb_safe, { "krb-safe", "kerberos.krb_safe_element", FT_NONE, BASE_NONE, NULL, 0, NULL, HFILL }}, { &hf_kerberos_krb_priv, { "krb-priv", "kerberos.krb_priv_element", FT_NONE, BASE_NONE, NULL, 0, NULL, HFILL }}, { &hf_kerberos_krb_cred, { "krb-cred", "kerberos.krb_cred_element", FT_NONE, BASE_NONE, NULL, 0, NULL, HFILL }}, { &hf_kerberos_encASRepPart, { "encASRepPart", "kerberos.encASRepPart_element", FT_NONE, BASE_NONE, NULL, 0, NULL, HFILL }}, { &hf_kerberos_encTGSRepPart, { "encTGSRepPart", "kerberos.encTGSRepPart_element", FT_NONE, BASE_NONE, NULL, 0, NULL, HFILL }}, { &hf_kerberos_encAPRepPart, { "encAPRepPart", "kerberos.encAPRepPart_element", FT_NONE, BASE_NONE, NULL, 0, NULL, HFILL }}, { &hf_kerberos_encKrbPrivPart, { "encKrbPrivPart", "kerberos.encKrbPrivPart_element", FT_NONE, BASE_NONE, NULL, 0, "ENC_KRB_PRIV_PART", HFILL }}, { &hf_kerberos_encKrbCredPart, { "encKrbCredPart", "kerberos.encKrbCredPart_element", FT_NONE, BASE_NONE, NULL, 0, NULL, HFILL }}, { &hf_kerberos_krb_error, { "krb-error", "kerberos.krb_error_element", FT_NONE, BASE_NONE, NULL, 0, NULL, HFILL }}, { &hf_kerberos_name_type, { "name-type", "kerberos.name_type", FT_INT32, BASE_DEC, VALS(kerberos_NAME_TYPE_vals), 0, NULL, HFILL }}, { &hf_kerberos_name_string, { "name-string", "kerberos.name_string", FT_UINT32, BASE_DEC, NULL, 0, "SEQUENCE_OF_KerberosString", HFILL }}, { &hf_kerberos_name_string_item, { "KerberosString", "kerberos.KerberosString", FT_STRING, BASE_NONE, NULL, 0, NULL, HFILL }}, { &hf_kerberos_cname_string, { "cname-string", "kerberos.cname_string", FT_UINT32, BASE_DEC, NULL, 0, "SEQUENCE_OF_CNameString", HFILL }}, { &hf_kerberos_cname_string_item, { "CNameString", "kerberos.CNameString", FT_STRING, BASE_NONE, NULL, 0, NULL, HFILL }}, { &hf_kerberos_sname_string, { "sname-string", "kerberos.sname_string", FT_UINT32, BASE_DEC, NULL, 0, "SEQUENCE_OF_SNameString", HFILL }}, { &hf_kerberos_sname_string_item, { "SNameString", "kerberos.SNameString", FT_STRING, BASE_NONE, NULL, 0, NULL, HFILL }}, { &hf_kerberos_addr_type, { "addr-type", "kerberos.addr_type", FT_INT32, BASE_DEC, VALS(kerberos_ADDR_TYPE_vals), 0, NULL, HFILL }}, { &hf_kerberos_address, { "address", "kerberos.address", FT_BYTES, BASE_NONE, NULL, 0, NULL, HFILL }}, { &hf_kerberos_HostAddresses_item, { "HostAddress", "kerberos.HostAddress_element", FT_NONE, BASE_NONE, NULL, 0, NULL, HFILL }}, { &hf_kerberos_AuthorizationData_item, { "AuthorizationData item", "kerberos.AuthorizationData_item_element", FT_NONE, BASE_NONE, NULL, 0, NULL, HFILL }}, { &hf_kerberos_ad_type, { "ad-type", "kerberos.ad_type", FT_INT32, BASE_DEC, VALS(kerberos_AUTHDATA_TYPE_vals), 0, "AUTHDATA_TYPE", HFILL }}, { &hf_kerberos_ad_data, { "ad-data", "kerberos.ad_data", FT_BYTES, BASE_NONE, NULL, 0, NULL, HFILL }}, { &hf_kerberos_padata_type, { "padata-type", "kerberos.padata_type", FT_INT32, BASE_DEC, VALS(kerberos_PADATA_TYPE_vals), 0, NULL, HFILL }}, { &hf_kerberos_padata_value, { "padata-value", "kerberos.padata_value", FT_BYTES, BASE_NONE, NULL, 0, NULL, HFILL }}, { &hf_kerberos_keytype, { "keytype", "kerberos.keytype", FT_INT32, BASE_DEC, NULL, 0, NULL, HFILL }}, { &hf_kerberos_keyvalue, { "keyvalue", "kerberos.keyvalue", FT_BYTES, BASE_NONE, NULL, 0, NULL, HFILL }}, { &hf_kerberos_cksumtype, { "cksumtype", "kerberos.cksumtype", FT_INT32, BASE_DEC, VALS(kerberos_CKSUMTYPE_vals), 0, NULL, HFILL }}, { &hf_kerberos_checksum, { "checksum", "kerberos.checksum", FT_BYTES, BASE_NONE, NULL, 0, NULL, HFILL }}, { &hf_kerberos_etype, { "etype", "kerberos.etype", FT_INT32, BASE_DEC, VALS(kerberos_ENCTYPE_vals), 0, "ENCTYPE", HFILL }}, { &hf_kerberos_kvno, { "kvno", "kerberos.kvno", FT_UINT32, BASE_DEC, NULL, 0, "UInt32", HFILL }}, { &hf_kerberos_encryptedTicketData_cipher, { "cipher", "kerberos.cipher", FT_BYTES, BASE_NONE, NULL, 0, "T_encryptedTicketData_cipher", HFILL }}, { &hf_kerberos_encryptedAuthorizationData_cipher, { "cipher", "kerberos.cipher", FT_BYTES, BASE_NONE, NULL, 0, "T_encryptedAuthorizationData_cipher", HFILL }}, { &hf_kerberos_encryptedAuthenticator_cipher, { "cipher", "kerberos.cipher", FT_BYTES, BASE_NONE, NULL, 0, "T_encryptedAuthenticator_cipher", HFILL }}, { &hf_kerberos_encryptedKDCREPData_cipher, { "cipher", "kerberos.cipher", FT_BYTES, BASE_NONE, NULL, 0, "T_encryptedKDCREPData_cipher", HFILL }}, { &hf_kerberos_encryptedAPREPData_cipher, { "cipher", "kerberos.cipher", FT_BYTES, BASE_NONE, NULL, 0, "T_encryptedAPREPData_cipher", HFILL }}, { &hf_kerberos_encryptedKrbPrivData_cipher, { "cipher", "kerberos.cipher", FT_BYTES, BASE_NONE, NULL, 0, "T_encryptedKrbPrivData_cipher", HFILL }}, { &hf_kerberos_encryptedKrbCredData_cipher, { "cipher", "kerberos.cipher", FT_BYTES, BASE_NONE, NULL, 0, "T_encryptedKrbCredData_cipher", HFILL }}, { &hf_kerberos_tkt_vno, { "tkt-vno", "kerberos.tkt_vno", FT_UINT32, BASE_DEC, NULL, 0, "INTEGER_5", HFILL }}, { &hf_kerberos_realm, { "realm", "kerberos.realm", FT_STRING, BASE_NONE, NULL, 0, NULL, HFILL }}, { &hf_kerberos_sname, { "sname", "kerberos.sname_element", FT_NONE, BASE_NONE, NULL, 0, NULL, HFILL }}, { &hf_kerberos_ticket_enc_part, { "enc-part", "kerberos.enc_part_element", FT_NONE, BASE_NONE, NULL, 0, "EncryptedTicketData", HFILL }}, { &hf_kerberos_flags, { "flags", "kerberos.flags", FT_BYTES, BASE_NONE, NULL, 0, "TicketFlags", HFILL }}, { &hf_kerberos_encTicketPart_key, { "key", "kerberos.key_element", FT_NONE, BASE_NONE, NULL, 0, "T_encTicketPart_key", HFILL }}, { &hf_kerberos_crealm, { "crealm", "kerberos.crealm", FT_STRING, BASE_NONE, NULL, 0, "Realm", HFILL }}, { &hf_kerberos_cname, { "cname", "kerberos.cname_element", FT_NONE, BASE_NONE, NULL, 0, NULL, HFILL }}, { &hf_kerberos_transited, { "transited", "kerberos.transited_element", FT_NONE, BASE_NONE, NULL, 0, "TransitedEncoding", HFILL }}, { &hf_kerberos_authtime, { "authtime", "kerberos.authtime", FT_ABSOLUTE_TIME, ABSOLUTE_TIME_LOCAL, NULL, 0, "KerberosTime", HFILL }}, { &hf_kerberos_starttime, { "starttime", "kerberos.starttime", FT_ABSOLUTE_TIME, ABSOLUTE_TIME_LOCAL, NULL, 0, "KerberosTime", HFILL }}, { &hf_kerberos_endtime, { "endtime", "kerberos.endtime", FT_ABSOLUTE_TIME, ABSOLUTE_TIME_LOCAL, NULL, 0, "KerberosTime", HFILL }}, { &hf_kerberos_renew_till, { "renew-till", "kerberos.renew_till", FT_ABSOLUTE_TIME, ABSOLUTE_TIME_LOCAL, NULL, 0, "KerberosTime", HFILL }}, { &hf_kerberos_caddr, { "caddr", "kerberos.caddr", FT_UINT32, BASE_DEC, NULL, 0, "HostAddresses", HFILL }}, { &hf_kerberos_authorization_data, { "authorization-data", "kerberos.authorization_data", FT_UINT32, BASE_DEC, NULL, 0, "AuthorizationData", HFILL }}, { &hf_kerberos_tr_type, { "tr-type", "kerberos.tr_type", FT_INT32, BASE_DEC, NULL, 0, "Int32", HFILL }}, { &hf_kerberos_contents, { "contents", "kerberos.contents", FT_BYTES, BASE_NONE, NULL, 0, "OCTET_STRING", HFILL }}, { &hf_kerberos_pvno, { "pvno", "kerberos.pvno", FT_UINT32, BASE_DEC, NULL, 0, "INTEGER_5", HFILL }}, { &hf_kerberos_msg_type, { "msg-type", "kerberos.msg_type", FT_INT32, BASE_DEC, VALS(kerberos_MESSAGE_TYPE_vals), 0, "MESSAGE_TYPE", HFILL }}, { &hf_kerberos_rEQ_SEQUENCE_OF_PA_DATA, { "padata", "kerberos.padata", FT_UINT32, BASE_DEC, NULL, 0, "T_rEQ_SEQUENCE_OF_PA_DATA", HFILL }}, { &hf_kerberos_rEQ_SEQUENCE_OF_PA_DATA_item, { "PA-DATA", "kerberos.PA_DATA_element", FT_NONE, BASE_NONE, NULL, 0, NULL, HFILL }}, { &hf_kerberos_req_body, { "req-body", "kerberos.req_body_element", FT_NONE, BASE_NONE, NULL, 0, "KDC_REQ_BODY", HFILL }}, { &hf_kerberos_kdc_options, { "kdc-options", "kerberos.kdc_options", FT_BYTES, BASE_NONE, NULL, 0, "KDCOptions", HFILL }}, { &hf_kerberos_from, { "from", "kerberos.from", FT_ABSOLUTE_TIME, ABSOLUTE_TIME_LOCAL, NULL, 0, "KerberosTime", HFILL }}, { &hf_kerberos_till, { "till", "kerberos.till", FT_ABSOLUTE_TIME, ABSOLUTE_TIME_LOCAL, NULL, 0, "KerberosTime", HFILL }}, { &hf_kerberos_rtime, { "rtime", "kerberos.rtime", FT_ABSOLUTE_TIME, ABSOLUTE_TIME_LOCAL, NULL, 0, "KerberosTime", HFILL }}, { &hf_kerberos_nonce, { "nonce", "kerberos.nonce", FT_UINT32, BASE_DEC, NULL, 0, "UInt32", HFILL }}, { &hf_kerberos_kDC_REQ_BODY_etype, { "etype", "kerberos.kdc-req-body.etype", FT_UINT32, BASE_DEC, NULL, 0, "SEQUENCE_OF_ENCTYPE", HFILL }}, { &hf_kerberos_kDC_REQ_BODY_etype_item, { "ENCTYPE", "kerberos.ENCTYPE", FT_INT32, BASE_DEC, VALS(kerberos_ENCTYPE_vals), 0, NULL, HFILL }}, { &hf_kerberos_addresses, { "addresses", "kerberos.addresses", FT_UINT32, BASE_DEC, NULL, 0, "HostAddresses", HFILL }}, { &hf_kerberos_enc_authorization_data, { "enc-authorization-data", "kerberos.enc_authorization_data_element", FT_NONE, BASE_NONE, NULL, 0, "EncryptedAuthorizationData", HFILL }}, { &hf_kerberos_additional_tickets, { "additional-tickets", "kerberos.additional_tickets", FT_UINT32, BASE_DEC, NULL, 0, "SEQUENCE_OF_Ticket", HFILL }}, { &hf_kerberos_additional_tickets_item, { "Ticket", "kerberos.Ticket_element", FT_NONE, BASE_NONE, NULL, 0, NULL, HFILL }}, { &hf_kerberos_rEP_SEQUENCE_OF_PA_DATA, { "padata", "kerberos.padata", FT_UINT32, BASE_DEC, NULL, 0, "T_rEP_SEQUENCE_OF_PA_DATA", HFILL }}, { &hf_kerberos_rEP_SEQUENCE_OF_PA_DATA_item, { "PA-DATA", "kerberos.PA_DATA_element", FT_NONE, BASE_NONE, NULL, 0, NULL, HFILL }}, { &hf_kerberos_kDC_REP_enc_part, { "enc-part", "kerberos.enc_part_element", FT_NONE, BASE_NONE, NULL, 0, "EncryptedKDCREPData", HFILL }}, { &hf_kerberos_encKDCRepPart_key, { "key", "kerberos.key_element", FT_NONE, BASE_NONE, NULL, 0, "T_encKDCRepPart_key", HFILL }}, { &hf_kerberos_last_req, { "last-req", "kerberos.last_req", FT_UINT32, BASE_DEC, NULL, 0, "LastReq", HFILL }}, { &hf_kerberos_key_expiration, { "key-expiration", "kerberos.key_expiration", FT_ABSOLUTE_TIME, ABSOLUTE_TIME_LOCAL, NULL, 0, "KerberosTime", HFILL }}, { &hf_kerberos_srealm, { "srealm", "kerberos.srealm", FT_STRING, BASE_NONE, NULL, 0, "Realm", HFILL }}, { &hf_kerberos_encrypted_pa_data, { "encrypted-pa-data", "kerberos.encrypted_pa_data", FT_UINT32, BASE_DEC, NULL, 0, NULL, HFILL }}, { &hf_kerberos_LastReq_item, { "LastReq item", "kerberos.LastReq_item_element", FT_NONE, BASE_NONE, NULL, 0, NULL, HFILL }}, { &hf_kerberos_lr_type, { "lr-type", "kerberos.lr_type", FT_INT32, BASE_DEC, VALS(kerberos_LR_TYPE_vals), 0, NULL, HFILL }}, { &hf_kerberos_lr_value, { "lr-value", "kerberos.lr_value", FT_ABSOLUTE_TIME, ABSOLUTE_TIME_LOCAL, NULL, 0, "KerberosTime", HFILL }}, { &hf_kerberos_ap_options, { "ap-options", "kerberos.ap_options", FT_BYTES, BASE_NONE, NULL, 0, "APOptions", HFILL }}, { &hf_kerberos_authenticator_enc_part, { "authenticator", "kerberos.authenticator_element", FT_NONE, BASE_NONE, NULL, 0, "EncryptedAuthenticator", HFILL }}, { &hf_kerberos_authenticator_vno, { "authenticator-vno", "kerberos.authenticator_vno", FT_UINT32, BASE_DEC, NULL, 0, "INTEGER_5", HFILL }}, { &hf_kerberos_cksum, { "cksum", "kerberos.cksum_element", FT_NONE, BASE_NONE, NULL, 0, "Checksum", HFILL }}, { &hf_kerberos_cusec, { "cusec", "kerberos.cusec", FT_UINT32, BASE_DEC, NULL, 0, "Microseconds", HFILL }}, { &hf_kerberos_ctime, { "ctime", "kerberos.ctime", FT_ABSOLUTE_TIME, ABSOLUTE_TIME_LOCAL, NULL, 0, "KerberosTime", HFILL }}, { &hf_kerberos_authenticator_subkey, { "subkey", "kerberos.subkey_element", FT_NONE, BASE_NONE, NULL, 0, "T_authenticator_subkey", HFILL }}, { &hf_kerberos_seq_number, { "seq-number", "kerberos.seq_number", FT_UINT32, BASE_DEC, NULL, 0, "UInt32", HFILL }}, { &hf_kerberos_aP_REP_enc_part, { "enc-part", "kerberos.enc_part_element", FT_NONE, BASE_NONE, NULL, 0, "EncryptedAPREPData", HFILL }}, { &hf_kerberos_encAPRepPart_subkey, { "subkey", "kerberos.subkey_element", FT_NONE, BASE_NONE, NULL, 0, "T_encAPRepPart_subkey", HFILL }}, { &hf_kerberos_safe_body, { "safe-body", "kerberos.safe_body_element", FT_NONE, BASE_NONE, NULL, 0, "KRB_SAFE_BODY", HFILL }}, { &hf_kerberos_kRB_SAFE_BODY_user_data, { "user-data", "kerberos.user_data", FT_BYTES, BASE_NONE, NULL, 0, "T_kRB_SAFE_BODY_user_data", HFILL }}, { &hf_kerberos_timestamp, { "timestamp", "kerberos.timestamp", FT_ABSOLUTE_TIME, ABSOLUTE_TIME_LOCAL, NULL, 0, "KerberosTime", HFILL }}, { &hf_kerberos_usec, { "usec", "kerberos.usec", FT_UINT32, BASE_DEC, NULL, 0, "Microseconds", HFILL }}, { &hf_kerberos_s_address, { "s-address", "kerberos.s_address_element", FT_NONE, BASE_NONE, NULL, 0, "HostAddress", HFILL }}, { &hf_kerberos_r_address, { "r-address", "kerberos.r_address_element", FT_NONE, BASE_NONE, NULL, 0, "HostAddress", HFILL }}, { &hf_kerberos_kRB_PRIV_enc_part, { "enc-part", "kerberos.enc_part_element", FT_NONE, BASE_NONE, NULL, 0, "EncryptedKrbPrivData", HFILL }}, { &hf_kerberos_encKrbPrivPart_user_data, { "user-data", "kerberos.user_data", FT_BYTES, BASE_NONE, NULL, 0, "T_encKrbPrivPart_user_data", HFILL }}, { &hf_kerberos_tickets, { "tickets", "kerberos.tickets", FT_UINT32, BASE_DEC, NULL, 0, "SEQUENCE_OF_Ticket", HFILL }}, { &hf_kerberos_tickets_item, { "Ticket", "kerberos.Ticket_element", FT_NONE, BASE_NONE, NULL, 0, NULL, HFILL }}, { &hf_kerberos_kRB_CRED_enc_part, { "enc-part", "kerberos.enc_part_element", FT_NONE, BASE_NONE, NULL, 0, "EncryptedKrbCredData", HFILL }}, { &hf_kerberos_ticket_info, { "ticket-info", "kerberos.ticket_info", FT_UINT32, BASE_DEC, NULL, 0, "SEQUENCE_OF_KrbCredInfo", HFILL }}, { &hf_kerberos_ticket_info_item, { "KrbCredInfo", "kerberos.KrbCredInfo_element", FT_NONE, BASE_NONE, NULL, 0, NULL, HFILL }}, { &hf_kerberos_krbCredInfo_key, { "key", "kerberos.key_element", FT_NONE, BASE_NONE, NULL, 0, "T_krbCredInfo_key", HFILL }}, { &hf_kerberos_prealm, { "prealm", "kerberos.prealm", FT_STRING, BASE_NONE, NULL, 0, "Realm", HFILL }}, { &hf_kerberos_pname, { "pname", "kerberos.pname_element", FT_NONE, BASE_NONE, NULL, 0, "PrincipalName", HFILL }}, { &hf_kerberos_stime, { "stime", "kerberos.stime", FT_ABSOLUTE_TIME, ABSOLUTE_TIME_LOCAL, NULL, 0, "KerberosTime", HFILL }}, { &hf_kerberos_susec, { "susec", "kerberos.susec", FT_UINT32, BASE_DEC, NULL, 0, "Microseconds", HFILL }}, { &hf_kerberos_error_code, { "error-code", "kerberos.error_code", FT_INT32, BASE_DEC, VALS(kerberos_ERROR_CODE_vals), 0, NULL, HFILL }}, { &hf_kerberos_e_text, { "e-text", "kerberos.e_text", FT_STRING, BASE_NONE, NULL, 0, "KerberosString", HFILL }}, { &hf_kerberos_e_data, { "e-data", "kerberos.e_data", FT_BYTES, BASE_NONE, NULL, 0, NULL, HFILL }}, { &hf_kerberos_e_checksum, { "e-checksum", "kerberos.e_checksum_element", FT_NONE, BASE_NONE, NULL, 0, "Checksum", HFILL }}, { &hf_kerberos_METHOD_DATA_item, { "PA-DATA", "kerberos.PA_DATA_element", FT_NONE, BASE_NONE, NULL, 0, NULL, HFILL }}, { &hf_kerberos_pA_ENC_TIMESTAMP_cipher, { "cipher", "kerberos.cipher", FT_BYTES, BASE_NONE, NULL, 0, "T_pA_ENC_TIMESTAMP_cipher", HFILL }}, { &hf_kerberos_info_salt, { "salt", "kerberos.info_salt", FT_BYTES, BASE_NONE, NULL, 0, "OCTET_STRING", HFILL }}, { &hf_kerberos_ETYPE_INFO_item, { "ETYPE-INFO-ENTRY", "kerberos.ETYPE_INFO_ENTRY_element", FT_NONE, BASE_NONE, NULL, 0, NULL, HFILL }}, { &hf_kerberos_info2_salt, { "salt", "kerberos.info2_salt", FT_STRING, BASE_NONE, NULL, 0, "KerberosString", HFILL }}, { &hf_kerberos_s2kparams, { "s2kparams", "kerberos.s2kparams", FT_BYTES, BASE_NONE, NULL, 0, "OCTET_STRING", HFILL }}, { &hf_kerberos_ETYPE_INFO2_item, { "ETYPE-INFO2-ENTRY", "kerberos.ETYPE_INFO2_ENTRY_element", FT_NONE, BASE_NONE, NULL, 0, NULL, HFILL }}, { &hf_kerberos_server_name, { "server-name", "kerberos.server_name_element", FT_NONE, BASE_NONE, NULL, 0, "PrincipalName", HFILL }}, { &hf_kerberos_include_pac, { "include-pac", "kerberos.include_pac", FT_BOOLEAN, BASE_NONE, NULL, 0, "BOOLEAN", HFILL }}, { &hf_kerberos_name, { "name", "kerberos.name_element", FT_NONE, BASE_NONE, NULL, 0, "PrincipalName", HFILL }}, { &hf_kerberos_auth, { "auth", "kerberos.auth", FT_STRING, BASE_NONE, NULL, 0, "GeneralString", HFILL }}, { &hf_kerberos_user_id, { "user-id", "kerberos.user_id_element", FT_NONE, BASE_NONE, NULL, 0, "S4UUserID", HFILL }}, { &hf_kerberos_checksum_01, { "checksum", "kerberos.checksum_element", FT_NONE, BASE_NONE, NULL, 0, NULL, HFILL }}, { &hf_kerberos_cname_01, { "cname", "kerberos.cname_element", FT_NONE, BASE_NONE, NULL, 0, "PrincipalName", HFILL }}, { &hf_kerberos_subject_certificate, { "subject-certificate", "kerberos.subject_certificate", FT_BYTES, BASE_NONE, NULL, 0, "T_subject_certificate", HFILL }}, { &hf_kerberos_options, { "options", "kerberos.options", FT_BYTES, BASE_NONE, NULL, 0, "BIT_STRING", HFILL }}, { &hf_kerberos_flags_01, { "flags", "kerberos.flags", FT_BYTES, BASE_NONE, NULL, 0, "PAC_OPTIONS_FLAGS", HFILL }}, { &hf_kerberos_restriction_type, { "restriction-type", "kerberos.restriction_type", FT_INT32, BASE_DEC, NULL, 0, "Int32", HFILL }}, { &hf_kerberos_restriction, { "restriction", "kerberos.restriction", FT_BYTES, BASE_NONE, NULL, 0, "OCTET_STRING", HFILL }}, { &hf_kerberos_PA_KERB_KEY_LIST_REQ_item, { "ENCTYPE", "kerberos.ENCTYPE", FT_INT32, BASE_DEC, VALS(kerberos_ENCTYPE_vals), 0, NULL, HFILL }}, { &hf_kerberos_kerbKeyListRep_key, { "key", "kerberos.kerbKeyListRep.key_element", FT_NONE, BASE_NONE, NULL, 0, "PA_KERB_KEY_LIST_REP_item", HFILL }}, { &hf_kerberos_newpasswd, { "newpasswd", "kerberos.newpasswd", FT_BYTES, BASE_NONE, NULL, 0, "OCTET_STRING", HFILL }}, { &hf_kerberos_targname, { "targname", "kerberos.targname_element", FT_NONE, BASE_NONE, NULL, 0, "PrincipalName", HFILL }}, { &hf_kerberos_targrealm, { "targrealm", "kerberos.targrealm", FT_STRING, BASE_NONE, NULL, 0, "Realm", HFILL }}, { &hf_kerberos_pa_type, { "pa-type", "kerberos.pa_type", FT_INT32, BASE_DEC, VALS(kerberos_PADATA_TYPE_vals), 0, "PADATA_TYPE", HFILL }}, { &hf_kerberos_pa_hint, { "pa-hint", "kerberos.pa_hint", FT_BYTES, BASE_NONE, NULL, 0, "OCTET_STRING", HFILL }}, { &hf_kerberos_pa_value, { "pa-value", "kerberos.pa_value", FT_BYTES, BASE_NONE, NULL, 0, "OCTET_STRING", HFILL }}, { &hf_kerberos_armor_type, { "armor-type", "kerberos.armor_type", FT_INT32, BASE_DEC, VALS(kerberos_KrbFastArmorTypes_vals), 0, "KrbFastArmorTypes", HFILL }}, { &hf_kerberos_armor_value, { "armor-value", "kerberos.armor_value", FT_BYTES, BASE_NONE, NULL, 0, NULL, HFILL }}, { &hf_kerberos_armored_data_request, { "armored-data", "kerberos.armored_data_element", FT_NONE, BASE_NONE, NULL, 0, "KrbFastArmoredReq", HFILL }}, { &hf_kerberos_encryptedKrbFastReq_cipher, { "cipher", "kerberos.cipher", FT_BYTES, BASE_NONE, NULL, 0, "T_encryptedKrbFastReq_cipher", HFILL }}, { &hf_kerberos_armor, { "armor", "kerberos.armor_element", FT_NONE, BASE_NONE, NULL, 0, "KrbFastArmor", HFILL }}, { &hf_kerberos_req_checksum, { "req-checksum", "kerberos.req_checksum_element", FT_NONE, BASE_NONE, NULL, 0, "Checksum", HFILL }}, { &hf_kerberos_enc_fast_req, { "enc-fast-req", "kerberos.enc_fast_req_element", FT_NONE, BASE_NONE, NULL, 0, "EncryptedKrbFastReq", HFILL }}, { &hf_kerberos_armored_data_reply, { "armored-data", "kerberos.armored_data_element", FT_NONE, BASE_NONE, NULL, 0, "KrbFastArmoredRep", HFILL }}, { &hf_kerberos_encryptedKrbFastResponse_cipher, { "cipher", "kerberos.cipher", FT_BYTES, BASE_NONE, NULL, 0, "T_encryptedKrbFastResponse_cipher", HFILL }}, { &hf_kerberos_enc_fast_rep, { "enc-fast-rep", "kerberos.enc_fast_rep_element", FT_NONE, BASE_NONE, NULL, 0, "EncryptedKrbFastResponse", HFILL }}, { &hf_kerberos_encryptedChallenge_cipher, { "cipher", "kerberos.cipher", FT_BYTES, BASE_NONE, NULL, 0, "T_encryptedChallenge_cipher", HFILL }}, { &hf_kerberos_cipher, { "cipher", "kerberos.cipher", FT_BYTES, BASE_NONE, NULL, 0, "OCTET_STRING", HFILL }}, { &hf_kerberos_groups, { "groups", "kerberos.groups", FT_UINT32, BASE_DEC, NULL, 0, "SEQUENCE_SIZE_1_MAX_OF_SPAKEGroup", HFILL }}, { &hf_kerberos_groups_item, { "SPAKEGroup", "kerberos.SPAKEGroup", FT_INT32, BASE_DEC, VALS(kerberos_SPAKEGroup_vals), 0, NULL, HFILL }}, { &hf_kerberos_group, { "group", "kerberos.group", FT_INT32, BASE_DEC, VALS(kerberos_SPAKEGroup_vals), 0, "SPAKEGroup", HFILL }}, { &hf_kerberos_pubkey, { "pubkey", "kerberos.pubkey", FT_BYTES, BASE_NONE, NULL, 0, "OCTET_STRING", HFILL }}, { &hf_kerberos_factors, { "factors", "kerberos.factors", FT_UINT32, BASE_DEC, NULL, 0, "SEQUENCE_SIZE_1_MAX_OF_SPAKESecondFactor", HFILL }}, { &hf_kerberos_factors_item, { "SPAKESecondFactor", "kerberos.SPAKESecondFactor_element", FT_NONE, BASE_NONE, NULL, 0, NULL, HFILL }}, { &hf_kerberos_type, { "type", "kerberos.type", FT_INT32, BASE_DEC, VALS(kerberos_SPAKESecondFactorType_vals), 0, "SPAKESecondFactorType", HFILL }}, { &hf_kerberos_data, { "data", "kerberos.data", FT_BYTES, BASE_NONE, NULL, 0, "OCTET_STRING", HFILL }}, { &hf_kerberos_factor, { "factor", "kerberos.factor_element", FT_NONE, BASE_NONE, NULL, 0, "EncryptedSpakeResponseData", HFILL }}, { &hf_kerberos_support, { "support", "kerberos.support_element", FT_NONE, BASE_NONE, NULL, 0, "SPAKESupport", HFILL }}, { &hf_kerberos_challenge, { "challenge", "kerberos.challenge_element", FT_NONE, BASE_NONE, NULL, 0, "SPAKEChallenge", HFILL }}, { &hf_kerberos_response, { "response", "kerberos.response_element", FT_NONE, BASE_NONE, NULL, 0, "SPAKEResponse", HFILL }}, { &hf_kerberos_encdata, { "encdata", "kerberos.encdata_element", FT_NONE, BASE_NONE, NULL, 0, "EncryptedSpakeData", HFILL }}, { &hf_kerberos_APOptions_reserved, { "reserved", "kerberos.APOptions.reserved", FT_BOOLEAN, 8, NULL, 0x80, NULL, HFILL }}, { &hf_kerberos_APOptions_use_session_key, { "use-session-key", "kerberos.APOptions.use.session.key", FT_BOOLEAN, 8, NULL, 0x40, NULL, HFILL }}, { &hf_kerberos_APOptions_mutual_required, { "mutual-required", "kerberos.APOptions.mutual.required", FT_BOOLEAN, 8, NULL, 0x20, NULL, HFILL }}, { &hf_kerberos_TicketFlags_reserved, { "reserved", "kerberos.TicketFlags.reserved", FT_BOOLEAN, 8, NULL, 0x80, NULL, HFILL }}, { &hf_kerberos_TicketFlags_forwardable, { "forwardable", "kerberos.TicketFlags.forwardable", FT_BOOLEAN, 8, NULL, 0x40, NULL, HFILL }}, { &hf_kerberos_TicketFlags_forwarded, { "forwarded", "kerberos.TicketFlags.forwarded", FT_BOOLEAN, 8, NULL, 0x20, NULL, HFILL }}, { &hf_kerberos_TicketFlags_proxiable, { "proxiable", "kerberos.TicketFlags.proxiable", FT_BOOLEAN, 8, NULL, 0x10, NULL, HFILL }}, { &hf_kerberos_TicketFlags_proxy, { "proxy", "kerberos.TicketFlags.proxy", FT_BOOLEAN, 8, NULL, 0x08, NULL, HFILL }}, { &hf_kerberos_TicketFlags_may_postdate, { "may-postdate", "kerberos.TicketFlags.may.postdate", FT_BOOLEAN, 8, NULL, 0x04, NULL, HFILL }}, { &hf_kerberos_TicketFlags_postdated, { "postdated", "kerberos.TicketFlags.postdated", FT_BOOLEAN, 8, NULL, 0x02, NULL, HFILL }}, { &hf_kerberos_TicketFlags_invalid, { "invalid", "kerberos.TicketFlags.invalid", FT_BOOLEAN, 8, NULL, 0x01, NULL, HFILL }}, { &hf_kerberos_TicketFlags_renewable, { "renewable", "kerberos.TicketFlags.renewable", FT_BOOLEAN, 8, NULL, 0x80, NULL, HFILL }}, { &hf_kerberos_TicketFlags_initial, { "initial", "kerberos.TicketFlags.initial", FT_BOOLEAN, 8, NULL, 0x40, NULL, HFILL }}, { &hf_kerberos_TicketFlags_pre_authent, { "pre-authent", "kerberos.TicketFlags.pre.authent", FT_BOOLEAN, 8, NULL, 0x20, NULL, HFILL }}, { &hf_kerberos_TicketFlags_hw_authent, { "hw-authent", "kerberos.TicketFlags.hw.authent", FT_BOOLEAN, 8, NULL, 0x10, NULL, HFILL }}, { &hf_kerberos_TicketFlags_transited_policy_checked, { "transited-policy-checked", "kerberos.TicketFlags.transited.policy.checked", FT_BOOLEAN, 8, NULL, 0x08, NULL, HFILL }}, { &hf_kerberos_TicketFlags_ok_as_delegate, { "ok-as-delegate", "kerberos.TicketFlags.ok.as.delegate", FT_BOOLEAN, 8, NULL, 0x04, NULL, HFILL }}, { &hf_kerberos_TicketFlags_unused, { "unused", "kerberos.TicketFlags.unused", FT_BOOLEAN, 8, NULL, 0x02, NULL, HFILL }}, { &hf_kerberos_TicketFlags_enc_pa_rep, { "enc-pa-rep", "kerberos.TicketFlags.enc.pa.rep", FT_BOOLEAN, 8, NULL, 0x01, NULL, HFILL }}, { &hf_kerberos_TicketFlags_anonymous, { "anonymous", "kerberos.TicketFlags.anonymous", FT_BOOLEAN, 8, NULL, 0x80, NULL, HFILL }}, { &hf_kerberos_KDCOptions_reserved, { "reserved", "kerberos.KDCOptions.reserved", FT_BOOLEAN, 8, NULL, 0x80, NULL, HFILL }}, { &hf_kerberos_KDCOptions_forwardable, { "forwardable", "kerberos.KDCOptions.forwardable", FT_BOOLEAN, 8, NULL, 0x40, NULL, HFILL }}, { &hf_kerberos_KDCOptions_forwarded, { "forwarded", "kerberos.KDCOptions.forwarded", FT_BOOLEAN, 8, NULL, 0x20, NULL, HFILL }}, { &hf_kerberos_KDCOptions_proxiable, { "proxiable", "kerberos.KDCOptions.proxiable", FT_BOOLEAN, 8, NULL, 0x10, NULL, HFILL }}, { &hf_kerberos_KDCOptions_proxy, { "proxy", "kerberos.KDCOptions.proxy", FT_BOOLEAN, 8, NULL, 0x08, NULL, HFILL }}, { &hf_kerberos_KDCOptions_allow_postdate, { "allow-postdate", "kerberos.KDCOptions.allow.postdate", FT_BOOLEAN, 8, NULL, 0x04, NULL, HFILL }}, { &hf_kerberos_KDCOptions_postdated, { "postdated", "kerberos.KDCOptions.postdated", FT_BOOLEAN, 8, NULL, 0x02, NULL, HFILL }}, { &hf_kerberos_KDCOptions_unused7, { "unused7", "kerberos.KDCOptions.unused7", FT_BOOLEAN, 8, NULL, 0x01, NULL, HFILL }}, { &hf_kerberos_KDCOptions_renewable, { "renewable", "kerberos.KDCOptions.renewable", FT_BOOLEAN, 8, NULL, 0x80, NULL, HFILL }}, { &hf_kerberos_KDCOptions_unused9, { "unused9", "kerberos.KDCOptions.unused9", FT_BOOLEAN, 8, NULL, 0x40, NULL, HFILL }}, { &hf_kerberos_KDCOptions_unused10, { "unused10", "kerberos.KDCOptions.unused10", FT_BOOLEAN, 8, NULL, 0x20, NULL, HFILL }}, { &hf_kerberos_KDCOptions_opt_hardware_auth, { "opt-hardware-auth", "kerberos.KDCOptions.opt.hardware.auth", FT_BOOLEAN, 8, NULL, 0x10, NULL, HFILL }}, { &hf_kerberos_KDCOptions_unused12, { "unused12", "kerberos.KDCOptions.unused12", FT_BOOLEAN, 8, NULL, 0x08, NULL, HFILL }}, { &hf_kerberos_KDCOptions_unused13, { "unused13", "kerberos.KDCOptions.unused13", FT_BOOLEAN, 8, NULL, 0x04, NULL, HFILL }}, { &hf_kerberos_KDCOptions_constrained_delegation, { "constrained-delegation", "kerberos.KDCOptions.constrained.delegation", FT_BOOLEAN, 8, NULL, 0x02, NULL, HFILL }}, { &hf_kerberos_KDCOptions_canonicalize, { "canonicalize", "kerberos.KDCOptions.canonicalize", FT_BOOLEAN, 8, NULL, 0x01, NULL, HFILL }}, { &hf_kerberos_KDCOptions_request_anonymous, { "request-anonymous", "kerberos.KDCOptions.request.anonymous", FT_BOOLEAN, 8, NULL, 0x80, NULL, HFILL }}, { &hf_kerberos_KDCOptions_unused17, { "unused17", "kerberos.KDCOptions.unused17", FT_BOOLEAN, 8, NULL, 0x40, NULL, HFILL }}, { &hf_kerberos_KDCOptions_unused18, { "unused18", "kerberos.KDCOptions.unused18", FT_BOOLEAN, 8, NULL, 0x20, NULL, HFILL }}, { &hf_kerberos_KDCOptions_unused19, { "unused19", "kerberos.KDCOptions.unused19", FT_BOOLEAN, 8, NULL, 0x10, NULL, HFILL }}, { &hf_kerberos_KDCOptions_unused20, { "unused20", "kerberos.KDCOptions.unused20", FT_BOOLEAN, 8, NULL, 0x08, NULL, HFILL }}, { &hf_kerberos_KDCOptions_unused21, { "unused21", "kerberos.KDCOptions.unused21", FT_BOOLEAN, 8, NULL, 0x04, NULL, HFILL }}, { &hf_kerberos_KDCOptions_unused22, { "unused22", "kerberos.KDCOptions.unused22", FT_BOOLEAN, 8, NULL, 0x02, NULL, HFILL }}, { &hf_kerberos_KDCOptions_unused23, { "unused23", "kerberos.KDCOptions.unused23", FT_BOOLEAN, 8, NULL, 0x01, NULL, HFILL }}, { &hf_kerberos_KDCOptions_unused24, { "unused24", "kerberos.KDCOptions.unused24", FT_BOOLEAN, 8, NULL, 0x80, NULL, HFILL }}, { &hf_kerberos_KDCOptions_unused25, { "unused25", "kerberos.KDCOptions.unused25", FT_BOOLEAN, 8, NULL, 0x40, NULL, HFILL }}, { &hf_kerberos_KDCOptions_disable_transited_check, { "disable-transited-check", "kerberos.KDCOptions.disable.transited.check", FT_BOOLEAN, 8, NULL, 0x20, NULL, HFILL }}, { &hf_kerberos_KDCOptions_renewable_ok, { "renewable-ok", "kerberos.KDCOptions.renewable.ok", FT_BOOLEAN, 8, NULL, 0x10, NULL, HFILL }}, { &hf_kerberos_KDCOptions_enc_tkt_in_skey, { "enc-tkt-in-skey", "kerberos.KDCOptions.enc.tkt.in.skey", FT_BOOLEAN, 8, NULL, 0x08, NULL, HFILL }}, { &hf_kerberos_KDCOptions_unused29, { "unused29", "kerberos.KDCOptions.unused29", FT_BOOLEAN, 8, NULL, 0x04, NULL, HFILL }}, { &hf_kerberos_KDCOptions_renew, { "renew", "kerberos.KDCOptions.renew", FT_BOOLEAN, 8, NULL, 0x02, NULL, HFILL }}, { &hf_kerberos_KDCOptions_validate, { "validate", "kerberos.KDCOptions.validate", FT_BOOLEAN, 8, NULL, 0x01, NULL, HFILL }}, { &hf_kerberos_PAC_OPTIONS_FLAGS_claims, { "claims", "kerberos.PAC.OPTIONS.FLAGS.claims", FT_BOOLEAN, 8, NULL, 0x80, NULL, HFILL }}, { &hf_kerberos_PAC_OPTIONS_FLAGS_branch_aware, { "branch-aware", "kerberos.PAC.OPTIONS.FLAGS.branch.aware", FT_BOOLEAN, 8, NULL, 0x40, NULL, HFILL }}, { &hf_kerberos_PAC_OPTIONS_FLAGS_forward_to_full_dc, { "forward-to-full-dc", "kerberos.PAC.OPTIONS.FLAGS.forward.to.full.dc", FT_BOOLEAN, 8, NULL, 0x20, NULL, HFILL }}, { &hf_kerberos_PAC_OPTIONS_FLAGS_resource_based_constrained_delegation, { "resource-based-constrained-delegation", "kerberos.PAC.OPTIONS.FLAGS.resource.based.constrained.delegation", FT_BOOLEAN, 8, NULL, 0x10, NULL, HFILL }}, }; /* List of subtrees */ static gint *ett[] = { &ett_kerberos, &ett_krb_recordmark, &ett_krb_pac, &ett_krb_pac_drep, &ett_krb_pac_midl_blob, &ett_krb_pac_logon_info, &ett_krb_pac_credential_info, &ett_krb_pac_s4u_delegation_info, &ett_krb_pac_upn_dns_info, &ett_krb_pac_upn_dns_info_flags, &ett_krb_pac_device_info, &ett_krb_pac_server_checksum, &ett_krb_pac_privsvr_checksum, &ett_krb_pac_client_info_type, &ett_krb_pac_ticket_checksum, &ett_krb_pac_attributes_info, &ett_krb_pac_attributes_info_flags, &ett_krb_pac_requester_sid, &ett_krb_pa_supported_enctypes, &ett_krb_ad_ap_options, &ett_kerberos_KERB_TICKET_LOGON, #ifdef HAVE_KERBEROS &ett_krb_pa_enc_ts_enc, &ett_kerberos_KrbFastFinished, &ett_kerberos_KrbFastResponse, &ett_kerberos_KrbFastReq, &ett_kerberos_FastOptions, #endif &ett_kerberos_Applications, &ett_kerberos_PrincipalName, &ett_kerberos_SEQUENCE_OF_KerberosString, &ett_kerberos_CName, &ett_kerberos_SEQUENCE_OF_CNameString, &ett_kerberos_SName, &ett_kerberos_SEQUENCE_OF_SNameString, &ett_kerberos_HostAddress, &ett_kerberos_HostAddresses, &ett_kerberos_AuthorizationData, &ett_kerberos_AuthorizationData_item, &ett_kerberos_PA_DATA, &ett_kerberos_EncryptionKey, &ett_kerberos_Checksum, &ett_kerberos_EncryptedTicketData, &ett_kerberos_EncryptedAuthorizationData, &ett_kerberos_EncryptedAuthenticator, &ett_kerberos_EncryptedKDCREPData, &ett_kerberos_EncryptedAPREPData, &ett_kerberos_EncryptedKrbPrivData, &ett_kerberos_EncryptedKrbCredData, &ett_kerberos_Ticket_U, &ett_kerberos_EncTicketPart_U, &ett_kerberos_TransitedEncoding, &ett_kerberos_KDC_REQ, &ett_kerberos_T_rEQ_SEQUENCE_OF_PA_DATA, &ett_kerberos_KDC_REQ_BODY, &ett_kerberos_SEQUENCE_OF_ENCTYPE, &ett_kerberos_SEQUENCE_OF_Ticket, &ett_kerberos_KDC_REP, &ett_kerberos_T_rEP_SEQUENCE_OF_PA_DATA, &ett_kerberos_EncKDCRepPart, &ett_kerberos_LastReq, &ett_kerberos_LastReq_item, &ett_kerberos_AP_REQ_U, &ett_kerberos_Authenticator_U, &ett_kerberos_AP_REP_U, &ett_kerberos_EncAPRepPart_U, &ett_kerberos_KRB_SAFE_U, &ett_kerberos_KRB_SAFE_BODY, &ett_kerberos_KRB_PRIV_U, &ett_kerberos_EncKrbPrivPart, &ett_kerberos_KRB_CRED_U, &ett_kerberos_EncKrbCredPart_U, &ett_kerberos_SEQUENCE_OF_KrbCredInfo, &ett_kerberos_KrbCredInfo, &ett_kerberos_KRB_ERROR_U, &ett_kerberos_METHOD_DATA, &ett_kerberos_PA_ENC_TIMESTAMP, &ett_kerberos_ETYPE_INFO_ENTRY, &ett_kerberos_ETYPE_INFO, &ett_kerberos_ETYPE_INFO2_ENTRY, &ett_kerberos_ETYPE_INFO2, &ett_kerberos_TGT_REQ, &ett_kerberos_TGT_REP, &ett_kerberos_APOptions, &ett_kerberos_TicketFlags, &ett_kerberos_KDCOptions, &ett_kerberos_PA_PAC_REQUEST, &ett_kerberos_PA_S4U2Self, &ett_kerberos_PA_S4U_X509_USER, &ett_kerberos_S4UUserID, &ett_kerberos_PAC_OPTIONS_FLAGS, &ett_kerberos_PA_PAC_OPTIONS, &ett_kerberos_KERB_AD_RESTRICTION_ENTRY_U, &ett_kerberos_PA_KERB_KEY_LIST_REQ, &ett_kerberos_PA_KERB_KEY_LIST_REP, &ett_kerberos_ChangePasswdData, &ett_kerberos_PA_AUTHENTICATION_SET_ELEM, &ett_kerberos_KrbFastArmor, &ett_kerberos_PA_FX_FAST_REQUEST, &ett_kerberos_EncryptedKrbFastReq, &ett_kerberos_KrbFastArmoredReq, &ett_kerberos_PA_FX_FAST_REPLY, &ett_kerberos_EncryptedKrbFastResponse, &ett_kerberos_KrbFastArmoredRep, &ett_kerberos_EncryptedChallenge, &ett_kerberos_EncryptedSpakeData, &ett_kerberos_EncryptedSpakeResponseData, &ett_kerberos_SPAKESupport, &ett_kerberos_SEQUENCE_SIZE_1_MAX_OF_SPAKEGroup, &ett_kerberos_SPAKEChallenge, &ett_kerberos_SEQUENCE_SIZE_1_MAX_OF_SPAKESecondFactor, &ett_kerberos_SPAKESecondFactor, &ett_kerberos_SPAKEResponse, &ett_kerberos_PA_SPAKE, }; static ei_register_info ei[] = { { &ei_kerberos_missing_keytype, { "kerberos.missing_keytype", PI_DECRYPTION, PI_WARN, "Missing keytype", EXPFILL }}, { &ei_kerberos_decrypted_keytype, { "kerberos.decrypted_keytype", PI_SECURITY, PI_CHAT, "Decrypted keytype", EXPFILL }}, { &ei_kerberos_learnt_keytype, { "kerberos.learnt_keytype", PI_SECURITY, PI_CHAT, "Learnt keytype", EXPFILL }}, { &ei_kerberos_address, { "kerberos.address.unknown", PI_UNDECODED, PI_WARN, "KRB Address: I don't know how to parse this type of address yet", EXPFILL }}, { &ei_krb_gssapi_dlglen, { "kerberos.gssapi.dlglen.error", PI_MALFORMED, PI_ERROR, "DlgLen is not the same as number of bytes remaining", EXPFILL }}, }; expert_module_t* expert_krb; module_t *krb_module; proto_kerberos = proto_register_protocol("Kerberos", "KRB5", "kerberos"); proto_register_field_array(proto_kerberos, hf, array_length(hf)); proto_register_subtree_array(ett, array_length(ett)); expert_krb = expert_register_protocol(proto_kerberos); expert_register_field_array(expert_krb, ei, array_length(ei)); /* Register dissectors */ kerberos_handle_udp = register_dissector("kerberos.udp", dissect_kerberos_udp, proto_kerberos); kerberos_handle_tcp = register_dissector("kerberos.tcp", dissect_kerberos_tcp, proto_kerberos); /* Register preferences */ krb_module = prefs_register_protocol(proto_kerberos, kerberos_prefs_apply_cb); prefs_register_bool_preference(krb_module, "desegment", "Reassemble Kerberos over TCP messages spanning multiple TCP segments", "Whether the Kerberos dissector should reassemble messages spanning multiple TCP segments." " To use this option, you must also enable \"Allow subdissectors to reassemble TCP streams\" in the TCP protocol settings.", &krb_desegment); #ifdef HAVE_KERBEROS prefs_register_bool_preference(krb_module, "decrypt", "Try to decrypt Kerberos blobs", "Whether the dissector should try to decrypt " "encrypted Kerberos blobs. This requires that the proper " "keytab file is installed as well.", &krb_decrypt); prefs_register_filename_preference(krb_module, "file", "Kerberos keytab file", "The keytab file containing all the secrets", &keytab_filename, FALSE); #if defined(HAVE_HEIMDAL_KERBEROS) || defined(HAVE_MIT_KERBEROS) wmem_register_callback(wmem_epan_scope(), enc_key_list_cb, NULL); kerberos_longterm_keys = wmem_map_new(wmem_epan_scope(), enc_key_content_hash, enc_key_content_equal); kerberos_all_keys = wmem_map_new_autoreset(wmem_epan_scope(), wmem_file_scope(), enc_key_content_hash, enc_key_content_equal); kerberos_app_session_keys = wmem_map_new_autoreset(wmem_epan_scope(), wmem_file_scope(), enc_key_content_hash, enc_key_content_equal); #endif /* defined(HAVE_HEIMDAL_KERBEROS) || defined(HAVE_MIT_KERBEROS) */ #endif /* HAVE_KERBEROS */ } static int wrap_dissect_gss_kerb(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree, dcerpc_info *di _U_,guint8 *drep _U_) { tvbuff_t *auth_tvb; auth_tvb = tvb_new_subset_remaining(tvb, offset); dissect_kerberos_main(auth_tvb, pinfo, tree, FALSE, NULL); return tvb_captured_length_remaining(tvb, offset); } static dcerpc_auth_subdissector_fns gss_kerb_auth_connect_fns = { wrap_dissect_gss_kerb, /* Bind */ wrap_dissect_gss_kerb, /* Bind ACK */ wrap_dissect_gss_kerb, /* AUTH3 */ NULL, /* Request verifier */ NULL, /* Response verifier */ NULL, /* Request data */ NULL /* Response data */ }; static dcerpc_auth_subdissector_fns gss_kerb_auth_sign_fns = { wrap_dissect_gss_kerb, /* Bind */ wrap_dissect_gss_kerb, /* Bind ACK */ wrap_dissect_gss_kerb, /* AUTH3 */ wrap_dissect_gssapi_verf, /* Request verifier */ wrap_dissect_gssapi_verf, /* Response verifier */ NULL, /* Request data */ NULL /* Response data */ }; static dcerpc_auth_subdissector_fns gss_kerb_auth_seal_fns = { wrap_dissect_gss_kerb, /* Bind */ wrap_dissect_gss_kerb, /* Bind ACK */ wrap_dissect_gss_kerb, /* AUTH3 */ wrap_dissect_gssapi_verf, /* Request verifier */ wrap_dissect_gssapi_verf, /* Response verifier */ wrap_dissect_gssapi_payload, /* Request data */ wrap_dissect_gssapi_payload /* Response data */ }; void proto_reg_handoff_kerberos(void) { krb4_handle = find_dissector_add_dependency("krb4", proto_kerberos); dissector_add_uint_with_preference("udp.port", UDP_PORT_KERBEROS, kerberos_handle_udp); dissector_add_uint_with_preference("tcp.port", TCP_PORT_KERBEROS, kerberos_handle_tcp); register_dcerpc_auth_subdissector(DCE_C_AUTHN_LEVEL_CONNECT, DCE_C_RPC_AUTHN_PROTOCOL_GSS_KERBEROS, &gss_kerb_auth_connect_fns); register_dcerpc_auth_subdissector(DCE_C_AUTHN_LEVEL_PKT_INTEGRITY, DCE_C_RPC_AUTHN_PROTOCOL_GSS_KERBEROS, &gss_kerb_auth_sign_fns); register_dcerpc_auth_subdissector(DCE_C_AUTHN_LEVEL_PKT_PRIVACY, DCE_C_RPC_AUTHN_PROTOCOL_GSS_KERBEROS, &gss_kerb_auth_seal_fns); } /* * Editor modelines - https://www.wireshark.org/tools/modelines.html * * Local variables: * c-basic-offset: 8 * tab-width: 8 * indent-tabs-mode: t * End: * * vi: set shiftwidth=8 tabstop=8 noexpandtab: * :indentSize=8:tabSize=8:noTabs=false: */