71 lines
2.1 KiB
C
71 lines
2.1 KiB
C
/* packet-gssapi.h
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* Dissector for GSS-API tokens as described in rfc2078, section 3.1
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* Copyright 2002, Tim Potter <tpot@samba.org>
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#ifndef __PACKET_GSSAPI_H
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#define __PACKET_GSSAPI_H
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/* Structures needed outside */
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typedef struct _gssapi_oid_value {
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protocol_t *proto;
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int ett;
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dissector_handle_t handle;
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dissector_handle_t wrap_handle;
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const gchar *comment; /* For the comment */
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} gssapi_oid_value;
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#define DECRYPT_GSSAPI_NORMAL 1
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#define DECRYPT_GSSAPI_DCE 2
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/**< Extra data for handling of decryption of GSSAPI wrapped tvbuffs.
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Caller sets decrypt_gssapi_tvb if this service is requested.
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If gssapi_encrypted_tvb is NULL, then the rest of the tvb data following
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the gssapi blob itself is decrypted othervise the gssapi_encrypted_tvb
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tvb will be decrypted (DCERPC has the data before the gssapi blob)
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If, on return, gssapi_data_encrypted is FALSE, the wrapped tvbuff
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was signed (i.e., an encrypted signature was present, to check
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whether the data was modified by a man in the middle) but not sealed
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(i.e., the data itself wasn't encrypted).
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*/
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typedef struct _gssapi_encrypt_info
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{
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guint16 decrypt_gssapi_tvb;
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tvbuff_t *gssapi_wrap_tvb;
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tvbuff_t *gssapi_header_tvb;
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tvbuff_t *gssapi_encrypted_tvb;
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tvbuff_t *gssapi_trailer_tvb;
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tvbuff_t *gssapi_decrypted_tvb;
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gboolean gssapi_data_encrypted;
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} gssapi_encrypt_info_t;
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/* Function prototypes */
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void
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gssapi_init_oid(const char *oid, int proto, int ett, dissector_handle_t handle,
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dissector_handle_t wrap_handle, const gchar *comment);
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gssapi_oid_value *
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gssapi_lookup_oid_str(const gchar *oid_key);
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int wrap_dissect_gssapi_verf(tvbuff_t *tvb, int offset,
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packet_info *pinfo,
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proto_tree *tree, dcerpc_info *di, guint8 *drep);
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tvbuff_t *
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wrap_dissect_gssapi_payload(tvbuff_t *header_tvb _U_,
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tvbuff_t *payload_tvb,
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tvbuff_t *trailer_tvb _U_,
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tvbuff_t *auth_tvb,
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packet_info *pinfo,
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dcerpc_auth_info *auth_info _U_);
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#endif /* __PACKET_GSSAPI_H */
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