freebsd-src/lib/libgssapi/mech_switch.h
Doug Rabson 8f55a568f6 Add an implementation of the RPCSEC_GSS authentication protocol for RPC. This
is based on an old implementation from the University of Michigan with lots of
changes and fixes by me and the addition of a Solaris-compatible API.

Sponsored by:	Isilon Systems
Reviewed by:	alfred
2008-08-06 14:02:05 +00:00

363 lines
14 KiB
C

/*-
* Copyright (c) 2005 Doug Rabson
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#include <unistd.h>
#include <sys/queue.h>
typedef OM_uint32 _gss_acquire_cred_t
(OM_uint32 *, /* minor_status */
const gss_name_t, /* desired_name */
OM_uint32, /* time_req */
const gss_OID_set, /* desired_mechs */
gss_cred_usage_t, /* cred_usage */
gss_cred_id_t *, /* output_cred_handle */
gss_OID_set *, /* actual_mechs */
OM_uint32 * /* time_rec */
);
typedef OM_uint32 _gss_release_cred_t
(OM_uint32 *, /* minor_status */
gss_cred_id_t * /* cred_handle */
);
typedef OM_uint32 _gss_init_sec_context_t
(OM_uint32 *, /* minor_status */
const gss_cred_id_t, /* initiator_cred_handle */
gss_ctx_id_t *, /* context_handle */
const gss_name_t, /* target_name */
const gss_OID, /* mech_type */
OM_uint32, /* req_flags */
OM_uint32, /* time_req */
const gss_channel_bindings_t,
/* input_chan_bindings */
const gss_buffer_t, /* input_token */
gss_OID *, /* actual_mech_type */
gss_buffer_t, /* output_token */
OM_uint32 *, /* ret_flags */
OM_uint32 * /* time_rec */
);
typedef OM_uint32 _gss_accept_sec_context_t
(OM_uint32 *, /* minor_status */
gss_ctx_id_t *, /* context_handle */
const gss_cred_id_t, /* acceptor_cred_handle */
const gss_buffer_t, /* input_token_buffer */
const gss_channel_bindings_t,
/* input_chan_bindings */
gss_name_t *, /* src_name */
gss_OID *, /* mech_type */
gss_buffer_t, /* output_token */
OM_uint32 *, /* ret_flags */
OM_uint32 *, /* time_rec */
gss_cred_id_t * /* delegated_cred_handle */
);
typedef OM_uint32 _gss_process_context_token_t
(OM_uint32 *, /* minor_status */
const gss_ctx_id_t, /* context_handle */
const gss_buffer_t /* token_buffer */
);
typedef OM_uint32 _gss_delete_sec_context_t
(OM_uint32 *, /* minor_status */
gss_ctx_id_t *, /* context_handle */
gss_buffer_t /* output_token */
);
typedef OM_uint32 _gss_context_time_t
(OM_uint32 *, /* minor_status */
const gss_ctx_id_t, /* context_handle */
OM_uint32 * /* time_rec */
);
typedef OM_uint32 _gss_get_mic_t
(OM_uint32 *, /* minor_status */
const gss_ctx_id_t, /* context_handle */
gss_qop_t, /* qop_req */
const gss_buffer_t, /* message_buffer */
gss_buffer_t /* message_token */
);
typedef OM_uint32 _gss_verify_mic_t
(OM_uint32 *, /* minor_status */
const gss_ctx_id_t, /* context_handle */
const gss_buffer_t, /* message_buffer */
const gss_buffer_t, /* token_buffer */
gss_qop_t * /* qop_state */
);
typedef OM_uint32 _gss_wrap_t
(OM_uint32 *, /* minor_status */
const gss_ctx_id_t, /* context_handle */
int, /* conf_req_flag */
gss_qop_t, /* qop_req */
const gss_buffer_t, /* input_message_buffer */
int *, /* conf_state */
gss_buffer_t /* output_message_buffer */
);
typedef OM_uint32 _gss_unwrap_t
(OM_uint32 *, /* minor_status */
const gss_ctx_id_t, /* context_handle */
const gss_buffer_t, /* input_message_buffer */
gss_buffer_t, /* output_message_buffer */
int *, /* conf_state */
gss_qop_t * /* qop_state */
);
typedef OM_uint32 _gss_display_status_t
(OM_uint32 *, /* minor_status */
OM_uint32, /* status_value */
int, /* status_type */
const gss_OID, /* mech_type */
OM_uint32 *, /* message_context */
gss_buffer_t /* status_string */
);
typedef OM_uint32 _gss_indicate_mechs_t
(OM_uint32 *, /* minor_status */
gss_OID_set * /* mech_set */
);
typedef OM_uint32 _gss_compare_name_t
(OM_uint32 *, /* minor_status */
const gss_name_t, /* name1 */
const gss_name_t, /* name2 */
int * /* name_equal */
);
typedef OM_uint32 _gss_display_name_t
(OM_uint32 *, /* minor_status */
const gss_name_t, /* input_name */
gss_buffer_t, /* output_name_buffer */
gss_OID * /* output_name_type */
);
typedef OM_uint32 _gss_import_name_t
(OM_uint32 *, /* minor_status */
const gss_buffer_t, /* input_name_buffer */
const gss_OID, /* input_name_type */
gss_name_t * /* output_name */
);
typedef OM_uint32 _gss_export_name_t
(OM_uint32 *, /* minor_status */
const gss_name_t, /* input_name */
gss_buffer_t /* exported_name */
);
typedef OM_uint32 _gss_release_name_t
(OM_uint32 *, /* minor_status */
gss_name_t * /* input_name */
);
typedef OM_uint32 _gss_inquire_cred_t
(OM_uint32 *, /* minor_status */
const gss_cred_id_t, /* cred_handle */
gss_name_t *, /* name */
OM_uint32 *, /* lifetime */
gss_cred_usage_t *, /* cred_usage */
gss_OID_set * /* mechanisms */
);
typedef OM_uint32 _gss_inquire_context_t
(OM_uint32 *, /* minor_status */
const gss_ctx_id_t, /* context_handle */
gss_name_t *, /* src_name */
gss_name_t *, /* targ_name */
OM_uint32 *, /* lifetime_rec */
gss_OID *, /* mech_type */
OM_uint32 *, /* ctx_flags */
int *, /* locally_initiated */
int * /* open */
);
typedef OM_uint32 _gss_wrap_size_limit_t
(OM_uint32 *, /* minor_status */
const gss_ctx_id_t, /* context_handle */
int, /* conf_req_flag */
gss_qop_t, /* qop_req */
OM_uint32, /* req_output_size */
OM_uint32 * /* max_input_size */
);
typedef OM_uint32 _gss_add_cred_t (
OM_uint32 *, /* minor_status */
const gss_cred_id_t, /* input_cred_handle */
const gss_name_t, /* desired_name */
const gss_OID, /* desired_mech */
gss_cred_usage_t, /* cred_usage */
OM_uint32, /* initiator_time_req */
OM_uint32, /* acceptor_time_req */
gss_cred_id_t *, /* output_cred_handle */
gss_OID_set *, /* actual_mechs */
OM_uint32 *, /* initiator_time_rec */
OM_uint32 * /* acceptor_time_rec */
);
typedef OM_uint32 _gss_inquire_cred_by_mech_t (
OM_uint32 *, /* minor_status */
const gss_cred_id_t, /* cred_handle */
const gss_OID, /* mech_type */
gss_name_t *, /* name */
OM_uint32 *, /* initiator_lifetime */
OM_uint32 *, /* acceptor_lifetime */
gss_cred_usage_t * /* cred_usage */
);
typedef OM_uint32 _gss_export_sec_context_t (
OM_uint32 *, /* minor_status */
gss_ctx_id_t *, /* context_handle */
gss_buffer_t /* interprocess_token */
);
typedef OM_uint32 _gss_import_sec_context_t (
OM_uint32 *, /* minor_status */
const gss_buffer_t, /* interprocess_token */
gss_ctx_id_t * /* context_handle */
);
typedef OM_uint32 _gss_inquire_names_for_mech_t (
OM_uint32 *, /* minor_status */
const gss_OID, /* mechanism */
gss_OID_set * /* name_types */
);
typedef OM_uint32 _gss_inquire_mechs_for_name_t (
OM_uint32 *, /* minor_status */
const gss_name_t, /* input_name */
gss_OID_set * /* mech_types */
);
typedef OM_uint32 _gss_canonicalize_name_t (
OM_uint32 *, /* minor_status */
const gss_name_t, /* input_name */
const gss_OID, /* mech_type */
gss_name_t * /* output_name */
);
typedef OM_uint32 _gss_duplicate_name_t (
OM_uint32 *, /* minor_status */
const gss_name_t, /* src_name */
gss_name_t * /* dest_name */
);
typedef OM_uint32 _gss_inquire_sec_context_by_oid
(OM_uint32 *, /* minor_status */
const gss_ctx_id_t, /* context_handle */
const gss_OID, /* desired_object */
gss_buffer_set_t * /* result */
);
typedef OM_uint32 _gss_inquire_cred_by_oid
(OM_uint32 *, /* bminor_status */
const gss_cred_id_t, /* cred_handle, */
const gss_OID, /* desired_object */
gss_buffer_set_t * /* data_set */
);
typedef OM_uint32 _gss_set_sec_context_option
(OM_uint32 *, /* minor status */
gss_ctx_id_t *, /* context */
const gss_OID, /* option to set */
const gss_buffer_t /* option value */
);
typedef OM_uint32 _gss_set_cred_option
(OM_uint32 *, /* minor status */
gss_cred_id_t *, /* cred */
const gss_OID, /* option to set */
const gss_buffer_t /* option value */
);
typedef OM_uint32 _gss_pseudo_random
(OM_uint32 *, /* minor status */
gss_ctx_id_t, /* context */
int, /* PRF key */
const gss_buffer_t, /* PRF input */
ssize_t, /* desired output length */
gss_buffer_t /* PRF output */
);
typedef OM_uint32 _gss_pname_to_uid
(OM_uint32 *, /* minor status */
gss_name_t pname, /* principal name */
gss_OID mech, /* mechanism to query */
uid_t *uidp /* pointer to UID for result */
);
struct _gss_mech_switch {
SLIST_ENTRY(_gss_mech_switch) gm_link;
const char *gm_name_prefix;
gss_OID_desc gm_mech_oid;
void *gm_so;
_gss_acquire_cred_t *gm_acquire_cred;
_gss_release_cred_t *gm_release_cred;
_gss_init_sec_context_t *gm_init_sec_context;
_gss_accept_sec_context_t *gm_accept_sec_context;
_gss_process_context_token_t *gm_process_context_token;
_gss_delete_sec_context_t *gm_delete_sec_context;
_gss_context_time_t *gm_context_time;
_gss_get_mic_t *gm_get_mic;
_gss_verify_mic_t *gm_verify_mic;
_gss_wrap_t *gm_wrap;
_gss_unwrap_t *gm_unwrap;
_gss_display_status_t *gm_display_status;
_gss_indicate_mechs_t *gm_indicate_mechs;
_gss_compare_name_t *gm_compare_name;
_gss_display_name_t *gm_display_name;
_gss_import_name_t *gm_import_name;
_gss_export_name_t *gm_export_name;
_gss_release_name_t *gm_release_name;
_gss_inquire_cred_t *gm_inquire_cred;
_gss_inquire_context_t *gm_inquire_context;
_gss_wrap_size_limit_t *gm_wrap_size_limit;
_gss_add_cred_t *gm_add_cred;
_gss_inquire_cred_by_mech_t *gm_inquire_cred_by_mech;
_gss_export_sec_context_t *gm_export_sec_context;
_gss_import_sec_context_t *gm_import_sec_context;
_gss_inquire_names_for_mech_t *gm_inquire_names_for_mech;
_gss_inquire_mechs_for_name_t *gm_inquire_mechs_for_name;
_gss_canonicalize_name_t *gm_canonicalize_name;
_gss_duplicate_name_t *gm_duplicate_name;
_gss_inquire_sec_context_by_oid *gm_inquire_sec_context_by_oid;
_gss_inquire_cred_by_oid *gm_inquire_cred_by_oid;
_gss_set_sec_context_option *gm_set_sec_context_option;
_gss_set_cred_option *gm_set_cred_option;
_gss_pseudo_random *gm_pseudo_random;
_gss_pname_to_uid *gm_pname_to_uid;
};
SLIST_HEAD(_gss_mech_switch_list, _gss_mech_switch);
extern struct _gss_mech_switch_list _gss_mechs;
extern gss_OID_set _gss_mech_oids;
extern void _gss_load_mech(void);
extern struct _gss_mech_switch *_gss_find_mech_switch(gss_OID);
extern void _gss_mg_error(struct _gss_mech_switch *m, OM_uint32 maj,
OM_uint32 min);