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packet-kerberos.h
1/* Do not modify this file. Changes will be overwritten. */
2/* Generated automatically by the ASN.1 to Wireshark dissector compiler */
3/* packet-kerberos.h */
4/* asn2wrs.py -b -q -L -p kerberos -c ./kerberos.cnf -s ./packet-kerberos-template -D . -O ../.. KerberosV5Spec2.asn k5.asn RFC3244.asn RFC6113.asn SPAKE.asn */
5
6/* packet-kerberos.h
7 * Routines for kerberos packet dissection
8 * Copyright 2007, Anders Broman <anders.broman@ericsson.com>
9 *
10 * Wireshark - Network traffic analyzer
11 * By Gerald Combs <gerald@wireshark.org>
12 * Copyright 1998 Gerald Combs
13 *
14 * SPDX-License-Identifier: GPL-2.0-or-later
15 */
16
17#ifndef __PACKET_KERBEROS_H
18#define __PACKET_KERBEROS_H
19
20#include "ws_symbol_export.h"
21
22#ifdef __cplusplus
23 extern "C" {
24#endif /* __cplusplus */
25
26#ifndef KRB5_KU_USAGE_ACCEPTOR_SEAL
27#define KRB5_KU_USAGE_ACCEPTOR_SEAL 22
28#endif
29#ifndef KRB5_KU_USAGE_ACCEPTOR_SIGN
30#define KRB5_KU_USAGE_ACCEPTOR_SIGN 23
31#endif
32#ifndef KRB5_KU_USAGE_INITIATOR_SEAL
33#define KRB5_KU_USAGE_INITIATOR_SEAL 24
34#endif
35#ifndef KRB5_KU_USAGE_INITIATOR_SIGN
36#define KRB5_KU_USAGE_INITIATOR_SIGN 25
37#endif
38
39/* This is a list of callback functions a caller can use to specify that
40 octet strings in kerberos to be passed back to application specific
41 dissectors, outside of kerberos.
42 This is used for dissection of application specific data for PacketCable
43 KRB_SAFE user data and eventually to pass kerberos session keys
44 to future DCERPC decryption and other uses.
45 The list is terminated by {0, NULL }
46*/
47#define KRB_CBTAG_SAFE_USER_DATA 1
48#define KRB_CBTAG_PRIV_USER_DATA 2
49 typedef struct _kerberos_callbacks {
50 int tag;
51 int (*callback)(packet_info *pinfo, tvbuff_t *tvb, proto_tree *tree);
52} kerberos_callbacks;
53
54/* Function prototypes */
55
56 bool
57kerberos_is_win2k_pkinit(asn1_ctx_t *actx);
58
59 int
60dissect_kerberos_main(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, bool do_col_info, kerberos_callbacks *cb);
61
62 int
63dissect_krb5_Checksum(proto_tree *tree, tvbuff_t *tvb, int offset, asn1_ctx_t *actx _U_);
64
65 int
66dissect_krb5_ctime(proto_tree *tree, tvbuff_t *tvb, int offset, asn1_ctx_t *actx _U_);
67
68 int dissect_krb5_cname(proto_tree *tree, tvbuff_t *tvb, int offset, asn1_ctx_t *actx _U_);
69 int dissect_krb5_realm(proto_tree *tree, tvbuff_t *tvb, int offset, asn1_ctx_t *actx _U_);
70uint32_t kerberos_output_keytype(void);
71
72 unsigned get_krb_pdu_len(packet_info *, tvbuff_t *tvb, int offset, void *data _U_);
73
74 int kerberos_rm_to_reclen(unsigned krb_rm);
75
76 void
77show_krb_recordmark(proto_tree *tree, tvbuff_t *tvb, int start, uint32_t krb_rm);
78
79 int
80dissect_kerberos_KERB_TICKET_LOGON(tvbuff_t *tvb, int offset, asn1_ctx_t *actx, proto_tree *tree);
81
82#ifdef HAVE_KERBEROS
83
84#if defined(HAVE_HEIMDAL_KERBEROS) || defined(HAVE_MIT_KERBEROS)
85
86uint8_t *
87decrypt_krb5_data(proto_tree *tree, packet_info *pinfo,
88 int usage,
89 tvbuff_t *crypototvb,
90 int keytype,
91 int *datalen);
92
93 tvbuff_t *
94decrypt_krb5_krb_cfx_dce(proto_tree *tree,
95 packet_info *pinfo,
96 int usage,
97 int keytype,
98 tvbuff_t *gssapi_header_tvb,
99 tvbuff_t *gssapi_encrypted_tvb,
100 tvbuff_t *gssapi_trailer_tvb,
101 tvbuff_t *checksum_tvb);
102
103#endif /* HAVE_HEIMDAL_KERBEROS || HAVE_MIT_KERBEROS */
104
105 extern bool krb_decrypt;
106
107WS_DLL_PUBLIC
108 void read_keytab_file_from_preferences(void);
109
110#endif /* HAVE_KERBEROS */
111
112#ifdef __cplusplus
113}
114#endif /* __cplusplus */
115
116
117/* enumerated values for Applications */
118#define KERBEROS_APPLICATIONS_TICKET 1
119#define KERBEROS_APPLICATIONS_AUTHENTICATOR 2
120#define KERBEROS_APPLICATIONS_ENCTICKETPART 3
121#define KERBEROS_APPLICATIONS_AS_REQ 10
122#define KERBEROS_APPLICATIONS_AS_REP 11
123#define KERBEROS_APPLICATIONS_TGS_REQ 12
124#define KERBEROS_APPLICATIONS_TGS_REP 13
125#define KERBEROS_APPLICATIONS_AP_REQ 14
126#define KERBEROS_APPLICATIONS_AP_REP 15
127#define KERBEROS_APPLICATIONS_KRB_SAFE 20
128#define KERBEROS_APPLICATIONS_KRB_PRIV 21
129#define KERBEROS_APPLICATIONS_KRB_CRED 22
130#define KERBEROS_APPLICATIONS_ENCASREPPART 25
131#define KERBEROS_APPLICATIONS_ENCTGSREPPART 26
132#define KERBEROS_APPLICATIONS_ENCAPREPPART 27
133#define KERBEROS_APPLICATIONS_ENCKRBPRIVPART 28
134#define KERBEROS_APPLICATIONS_ENCKRBCREDPART 29
135#define KERBEROS_APPLICATIONS_KRB_ERROR 30
136 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_);
137 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_);
138 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_);
139
140#endif /* __PACKET_KERBEROS_H */
_asn1_ctx_t
Definition asn1.h:66
_kerberos_callbacks
Definition packet-kerberos.h:49
_packet_info
Definition packet_info.h:43
_proto_node
Definition proto.h:907
tvbuff
Definition tvbuff-int.h:35