xref: /freebsd/sys/kgssapi/gssapi.h (revision 40a8ac8f62b535d30349faf28cf47106b7041b83)
1 /*
2  * Copyright (C) The Internet Society (2000).  All Rights Reserved.
3  *
4  * This document and translations of it may be copied and furnished to
5  * others, and derivative works that comment on or otherwise explain it
6  * or assist in its implementation may be prepared, copied, published
7  * and distributed, in whole or in part, without restriction of any
8  * kind, provided that the above copyright notice and this paragraph are
9  * included on all such copies and derivative works.  However, this
10  * document itself may not be modified in any way, such as by removing
11  * the copyright notice or references to the Internet Society or other
12  * Internet organizations, except as needed for the purpose of
13  * developing Internet standards in which case the procedures for
14  * copyrights defined in the Internet Standards process must be
15  * followed, or as required to translate it into languages other than
16  * English.
17  *
18  * The limited permissions granted above are perpetual and will not be
19  * revoked by the Internet Society or its successors or assigns.
20  *
21  * This document and the information contained herein is provided on an
22  * "AS IS" basis and THE INTERNET SOCIETY AND THE INTERNET ENGINEERING
23  * TASK FORCE DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING
24  * BUT NOT LIMITED TO ANY WARRANTY THAT THE USE OF THE INFORMATION
25  * HEREIN WILL NOT INFRINGE ANY RIGHTS OR ANY IMPLIED WARRANTIES OF
26  * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
27  *
28  * $FreeBSD$
29  */
30 
31 #ifndef _KGSSAPI_GSSAPI_H_
32 #define _KGSSAPI_GSSAPI_H_
33 
34 /*
35  * A cut-down version of the GSS-API for in-kernel use
36  */
37 
38 /*
39  * Now define the three implementation-dependent types.
40  */
41 typedef struct _gss_ctx_id_t *gss_ctx_id_t;
42 typedef struct _gss_cred_id_t *gss_cred_id_t;
43 typedef struct _gss_name_t *gss_name_t;
44 
45 /*
46  * We can't use X/Open definitions, so roll our own.
47  */
48 typedef uint32_t OM_uint32;
49 typedef uint64_t OM_uint64;
50 
51 typedef struct gss_OID_desc_struct {
52   OM_uint32 length;
53   void      *elements;
54 } gss_OID_desc, *gss_OID;
55 
56 typedef struct gss_OID_set_desc_struct  {
57   size_t     count;
58   gss_OID    elements;
59 } gss_OID_set_desc, *gss_OID_set;
60 
61 typedef struct gss_buffer_desc_struct {
62   size_t length;
63   void *value;
64 } gss_buffer_desc, *gss_buffer_t;
65 
66 typedef struct gss_channel_bindings_struct {
67   OM_uint32 initiator_addrtype;
68   gss_buffer_desc initiator_address;
69   OM_uint32 acceptor_addrtype;
70   gss_buffer_desc acceptor_address;
71   gss_buffer_desc application_data;
72 } *gss_channel_bindings_t;
73 
74 /*
75  * For now, define a QOP-type as an OM_uint32
76  */
77 typedef OM_uint32 gss_qop_t;
78 
79 typedef int gss_cred_usage_t;
80 
81 /*
82  * Flag bits for context-level services.
83  */
84 #define GSS_C_DELEG_FLAG      1
85 #define GSS_C_MUTUAL_FLAG     2
86 #define GSS_C_REPLAY_FLAG     4
87 #define GSS_C_SEQUENCE_FLAG   8
88 #define GSS_C_CONF_FLAG       16
89 #define GSS_C_INTEG_FLAG      32
90 #define GSS_C_ANON_FLAG       64
91 #define GSS_C_PROT_READY_FLAG 128
92 #define GSS_C_TRANS_FLAG      256
93 
94 /*
95  * Credential usage options
96  */
97 #define GSS_C_BOTH     0
98 #define GSS_C_INITIATE 1
99 #define GSS_C_ACCEPT   2
100 
101 /*
102  * Status code types for gss_display_status
103  */
104 #define GSS_C_GSS_CODE  1
105 #define GSS_C_MECH_CODE 2
106 
107 /*
108  * The constant definitions for channel-bindings address families
109  */
110 #define GSS_C_AF_UNSPEC     0
111 #define GSS_C_AF_LOCAL      1
112 #define GSS_C_AF_INET       2
113 #define GSS_C_AF_IMPLINK    3
114 #define GSS_C_AF_PUP        4
115 #define GSS_C_AF_CHAOS      5
116 #define GSS_C_AF_NS         6
117 #define GSS_C_AF_NBS        7
118 #define GSS_C_AF_ECMA       8
119 #define GSS_C_AF_DATAKIT    9
120 #define GSS_C_AF_CCITT      10
121 #define GSS_C_AF_SNA        11
122 #define GSS_C_AF_DECnet     12
123 #define GSS_C_AF_DLI        13
124 #define GSS_C_AF_LAT        14
125 #define GSS_C_AF_HYLINK     15
126 #define GSS_C_AF_APPLETALK  16
127 #define GSS_C_AF_BSC        17
128 #define GSS_C_AF_DSS        18
129 #define GSS_C_AF_OSI        19
130 #define GSS_C_AF_X25        21
131 #define GSS_C_AF_NULLADDR   255
132 
133 /*
134  * Various Null values
135  */
136 #define GSS_C_NO_NAME ((gss_name_t) 0)
137 #define GSS_C_NO_BUFFER ((gss_buffer_t) 0)
138 #define GSS_C_NO_OID ((gss_OID) 0)
139 #define GSS_C_NO_OID_SET ((gss_OID_set) 0)
140 #define GSS_C_NO_CONTEXT ((gss_ctx_id_t) 0)
141 #define GSS_C_NO_CREDENTIAL ((gss_cred_id_t) 0)
142 #define GSS_C_NO_CHANNEL_BINDINGS ((gss_channel_bindings_t) 0)
143 #define GSS_C_EMPTY_BUFFER {0, NULL}
144 
145 /*
146  * Some alternate names for a couple of the above
147  * values.  These are defined for V1 compatibility.
148  */
149 #define GSS_C_NULL_OID GSS_C_NO_OID
150 #define GSS_C_NULL_OID_SET GSS_C_NO_OID_SET
151 
152 /*
153  * Define the default Quality of Protection for per-message
154  * services.  Note that an implementation that offers multiple
155  * levels of QOP may define GSS_C_QOP_DEFAULT to be either zero
156  * (as done here) to mean "default protection", or to a specific
157  * explicit QOP value.  However, a value of 0 should always be
158  * interpreted by a GSS-API implementation as a request for the
159  * default protection level.
160  */
161 #define GSS_C_QOP_DEFAULT 0
162 
163 /*
164  * Expiration time of 2^32-1 seconds means infinite lifetime for a
165  * credential or security context
166  */
167 #define GSS_C_INDEFINITE 0xfffffffful
168 
169 /*
170  * The implementation must reserve static storage for a
171  * gss_OID_desc object containing the value
172  * {10, (void *)"\x2a\x86\x48\x86\xf7\x12"
173  * "\x01\x02\x01\x01"},
174  * corresponding to an object-identifier value of
175  * {iso(1) member-body(2) United States(840) mit(113554)
176  * infosys(1) gssapi(2) generic(1) user_name(1)}.  The constant
177  * GSS_C_NT_USER_NAME should be initialized to point
178  * to that gss_OID_desc.
179  */
180 extern gss_OID GSS_C_NT_USER_NAME;
181 
182 /*
183  * The implementation must reserve static storage for a
184  * gss_OID_desc object containing the value
185  * {10, (void *)"\x2a\x86\x48\x86\xf7\x12"
186  *              "\x01\x02\x01\x02"},
187  * corresponding to an object-identifier value of
188  * {iso(1) member-body(2) United States(840) mit(113554)
189  * infosys(1) gssapi(2) generic(1) machine_uid_name(2)}.
190  * The constant GSS_C_NT_MACHINE_UID_NAME should be
191  * initialized to point to that gss_OID_desc.
192  */
193 extern gss_OID GSS_C_NT_MACHINE_UID_NAME;
194 
195 /*
196  * The implementation must reserve static storage for a
197  * gss_OID_desc object containing the value
198  * {10, (void *)"\x2a\x86\x48\x86\xf7\x12"
199  *              "\x01\x02\x01\x03"},
200  * corresponding to an object-identifier value of
201  * {iso(1) member-body(2) United States(840) mit(113554)
202  * infosys(1) gssapi(2) generic(1) string_uid_name(3)}.
203  * The constant GSS_C_NT_STRING_UID_NAME should be
204  * initialized to point to that gss_OID_desc.
205  */
206 extern gss_OID GSS_C_NT_STRING_UID_NAME;
207 
208 /*
209  * The implementation must reserve static storage for a
210  * gss_OID_desc object containing the value
211  * {6, (void *)"\x2b\x06\x01\x05\x06\x02"},
212  * corresponding to an object-identifier value of
213  * {iso(1) org(3) dod(6) internet(1) security(5)
214  * nametypes(6) gss-host-based-services(2)).  The constant
215  * GSS_C_NT_HOSTBASED_SERVICE_X should be initialized to point
216  * to that gss_OID_desc.  This is a deprecated OID value, and
217  * implementations wishing to support hostbased-service names
218  * should instead use the GSS_C_NT_HOSTBASED_SERVICE OID,
219  * defined below, to identify such names;
220  * GSS_C_NT_HOSTBASED_SERVICE_X should be accepted a synonym
221  * for GSS_C_NT_HOSTBASED_SERVICE when presented as an input
222  * parameter, but should not be emitted by GSS-API
223  * implementations
224  */
225 extern gss_OID GSS_C_NT_HOSTBASED_SERVICE_X;
226 
227 /*
228  * The implementation must reserve static storage for a
229  * gss_OID_desc object containing the value
230  * {10, (void *)"\x2a\x86\x48\x86\xf7\x12"
231  *              "\x01\x02\x01\x04"}, corresponding to an
232  * object-identifier value of {iso(1) member-body(2)
233  * Unites States(840) mit(113554) infosys(1) gssapi(2)
234  * generic(1) service_name(4)}.  The constant
235  * GSS_C_NT_HOSTBASED_SERVICE should be initialized
236  * to point to that gss_OID_desc.
237  */
238 extern gss_OID GSS_C_NT_HOSTBASED_SERVICE;
239 
240 /*
241  * The implementation must reserve static storage for a
242  * gss_OID_desc object containing the value
243  * {6, (void *)"\x2b\x06\01\x05\x06\x03"},
244  * corresponding to an object identifier value of
245  * {1(iso), 3(org), 6(dod), 1(internet), 5(security),
246  * 6(nametypes), 3(gss-anonymous-name)}.  The constant
247  * and GSS_C_NT_ANONYMOUS should be initialized to point
248  * to that gss_OID_desc.
249  */
250 extern gss_OID GSS_C_NT_ANONYMOUS;
251 
252 
253 /*
254  * The implementation must reserve static storage for a
255  * gss_OID_desc object containing the value
256  * {6, (void *)"\x2b\x06\x01\x05\x06\x04"},
257  * corresponding to an object-identifier value of
258  * {1(iso), 3(org), 6(dod), 1(internet), 5(security),
259  * 6(nametypes), 4(gss-api-exported-name)}.  The constant
260  * GSS_C_NT_EXPORT_NAME should be initialized to point
261  * to that gss_OID_desc.
262  */
263 extern gss_OID GSS_C_NT_EXPORT_NAME;
264 
265 /*
266  *   This name form shall be represented by the Object Identifier {iso(1)
267  *   member-body(2) United States(840) mit(113554) infosys(1) gssapi(2)
268  *   krb5(2) krb5_name(1)}.  The recommended symbolic name for this type
269  *   is "GSS_KRB5_NT_PRINCIPAL_NAME".
270  */
271 extern gss_OID GSS_KRB5_NT_PRINCIPAL_NAME;
272 
273 /*
274  * This name form shall be represented by the Object Identifier {iso(1)
275  * member-body(2) United States(840) mit(113554) infosys(1) gssapi(2)
276  * generic(1) user_name(1)}.  The recommended symbolic name for this
277  * type is "GSS_KRB5_NT_USER_NAME".
278  */
279 extern gss_OID GSS_KRB5_NT_USER_NAME;
280 
281 /*
282  * This name form shall be represented by the Object Identifier {iso(1)
283  * member-body(2) United States(840) mit(113554) infosys(1) gssapi(2)
284  * generic(1) machine_uid_name(2)}.  The recommended symbolic name for
285  * this type is "GSS_KRB5_NT_MACHINE_UID_NAME".
286  */
287 extern gss_OID GSS_KRB5_NT_MACHINE_UID_NAME;
288 
289 /*
290  * This name form shall be represented by the Object Identifier {iso(1)
291  * member-body(2) United States(840) mit(113554) infosys(1) gssapi(2)
292  * generic(1) string_uid_name(3)}.  The recommended symbolic name for
293  * this type is "GSS_KRB5_NT_STRING_UID_NAME".
294  */
295 extern gss_OID GSS_KRB5_NT_STRING_UID_NAME;
296 
297 /* Major status codes */
298 
299 #define GSS_S_COMPLETE 0
300 
301 /*
302  * Some "helper" definitions to make the status code macros obvious.
303  */
304 #define GSS_C_CALLING_ERROR_OFFSET 24
305 #define GSS_C_ROUTINE_ERROR_OFFSET 16
306 #define GSS_C_SUPPLEMENTARY_OFFSET 0
307 #define GSS_C_CALLING_ERROR_MASK 0377ul
308 #define GSS_C_ROUTINE_ERROR_MASK 0377ul
309 #define GSS_C_SUPPLEMENTARY_MASK 0177777ul
310 
311 /*
312  * The macros that test status codes for error conditions.
313  * Note that the GSS_ERROR() macro has changed slightly from
314  * the V1 GSS-API so that it now evaluates its argument
315  * only once.
316  */
317 #define GSS_CALLING_ERROR(x) \
318  (x & (GSS_C_CALLING_ERROR_MASK << GSS_C_CALLING_ERROR_OFFSET))
319 #define GSS_ROUTINE_ERROR(x) \
320  (x & (GSS_C_ROUTINE_ERROR_MASK << GSS_C_ROUTINE_ERROR_OFFSET))
321 #define GSS_SUPPLEMENTARY_INFO(x) \
322  (x & (GSS_C_SUPPLEMENTARY_MASK << GSS_C_SUPPLEMENTARY_OFFSET))
323 #define GSS_ERROR(x) \
324  (x & ((GSS_C_CALLING_ERROR_MASK << GSS_C_CALLING_ERROR_OFFSET) | \
325        (GSS_C_ROUTINE_ERROR_MASK << GSS_C_ROUTINE_ERROR_OFFSET)))
326 
327 /*
328  * Now the actual status code definitions
329  */
330 
331 /*
332  * Calling errors:
333  */
334 #define GSS_S_CALL_INACCESSIBLE_READ \
335 (1ul << GSS_C_CALLING_ERROR_OFFSET)
336 #define GSS_S_CALL_INACCESSIBLE_WRITE \
337 (2ul << GSS_C_CALLING_ERROR_OFFSET)
338 #define GSS_S_CALL_BAD_STRUCTURE \
339 (3ul << GSS_C_CALLING_ERROR_OFFSET)
340 
341 /*
342  * Routine errors:
343  */
344 #define GSS_S_BAD_MECH             (1ul << GSS_C_ROUTINE_ERROR_OFFSET)
345 #define GSS_S_BAD_NAME             (2ul << GSS_C_ROUTINE_ERROR_OFFSET)
346 #define GSS_S_BAD_NAMETYPE         (3ul << GSS_C_ROUTINE_ERROR_OFFSET)
347 #define GSS_S_BAD_BINDINGS         (4ul << GSS_C_ROUTINE_ERROR_OFFSET)
348 #define GSS_S_BAD_STATUS           (5ul << GSS_C_ROUTINE_ERROR_OFFSET)
349 #define GSS_S_BAD_SIG              (6ul << GSS_C_ROUTINE_ERROR_OFFSET)
350 #define GSS_S_BAD_MIC		   GSS_S_BAD_SIG
351 #define GSS_S_NO_CRED              (7ul << GSS_C_ROUTINE_ERROR_OFFSET)
352 #define GSS_S_NO_CONTEXT           (8ul << GSS_C_ROUTINE_ERROR_OFFSET)
353 #define GSS_S_DEFECTIVE_TOKEN      (9ul << GSS_C_ROUTINE_ERROR_OFFSET)
354 #define GSS_S_DEFECTIVE_CREDENTIAL (10ul << GSS_C_ROUTINE_ERROR_OFFSET)
355 #define GSS_S_CREDENTIALS_EXPIRED  (11ul << GSS_C_ROUTINE_ERROR_OFFSET)
356 #define GSS_S_CONTEXT_EXPIRED      (12ul << GSS_C_ROUTINE_ERROR_OFFSET)
357 #define GSS_S_FAILURE              (13ul << GSS_C_ROUTINE_ERROR_OFFSET)
358 #define GSS_S_BAD_QOP              (14ul << GSS_C_ROUTINE_ERROR_OFFSET)
359 #define GSS_S_UNAUTHORIZED         (15ul << GSS_C_ROUTINE_ERROR_OFFSET)
360 #define GSS_S_UNAVAILABLE          (16ul << GSS_C_ROUTINE_ERROR_OFFSET)
361 #define GSS_S_DUPLICATE_ELEMENT    (17ul << GSS_C_ROUTINE_ERROR_OFFSET)
362 #define GSS_S_NAME_NOT_MN          (18ul << GSS_C_ROUTINE_ERROR_OFFSET)
363 
364 /*
365  * Supplementary info bits:
366  */
367 #define GSS_S_CONTINUE_NEEDED \
368 	 (1ul << (GSS_C_SUPPLEMENTARY_OFFSET + 0))
369 #define GSS_S_DUPLICATE_TOKEN \
370 	 (1ul << (GSS_C_SUPPLEMENTARY_OFFSET + 1))
371 #define GSS_S_OLD_TOKEN \
372 	 (1ul << (GSS_C_SUPPLEMENTARY_OFFSET + 2))
373 #define GSS_S_UNSEQ_TOKEN \
374 	 (1ul << (GSS_C_SUPPLEMENTARY_OFFSET + 3))
375 #define GSS_S_GAP_TOKEN \
376 	 (1ul << (GSS_C_SUPPLEMENTARY_OFFSET + 4))
377 
378 __BEGIN_DECLS
379 
380 /*
381  * Finally, function prototypes for the GSS-API routines.
382  */
383 OM_uint32 gss_acquire_cred
384 	      (OM_uint32 *,            /* minor_status */
385 	       const gss_name_t,       /* desired_name */
386 	       OM_uint32,              /* time_req */
387 	       const gss_OID_set,      /* desired_mechs */
388 	       gss_cred_usage_t,       /* cred_usage */
389 	       gss_cred_id_t *,        /* output_cred_handle */
390 	       gss_OID_set *,          /* actual_mechs */
391 	       OM_uint32 *             /* time_rec */
392 	      );
393 
394 OM_uint32 gss_release_cred
395 	      (OM_uint32 *,            /* minor_status */
396 	       gss_cred_id_t *         /* cred_handle */
397 	      );
398 
399 OM_uint32 gss_init_sec_context
400 	      (OM_uint32 *,            /* minor_status */
401 	       const gss_cred_id_t,    /* initiator_cred_handle */
402 	       gss_ctx_id_t *,         /* context_handle */
403 	       const gss_name_t,       /* target_name */
404 	       const gss_OID,          /* mech_type */
405 	       OM_uint32,              /* req_flags */
406 	       OM_uint32,              /* time_req */
407 	       const gss_channel_bindings_t,
408 				       /* input_chan_bindings */
409 	       const gss_buffer_t,     /* input_token */
410 	       gss_OID *,              /* actual_mech_type */
411 	       gss_buffer_t,           /* output_token */
412 	       OM_uint32 *,            /* ret_flags */
413 	       OM_uint32 *             /* time_rec */
414 	      );
415 
416 OM_uint32 gss_accept_sec_context
417 	      (OM_uint32 *,            /* minor_status */
418 	       gss_ctx_id_t *,         /* context_handle */
419 	       const gss_cred_id_t,    /* acceptor_cred_handle */
420 	       const gss_buffer_t,     /* input_token_buffer */
421 	       const gss_channel_bindings_t,
422 				       /* input_chan_bindings */
423 	       gss_name_t *,           /* src_name */
424 	       gss_OID *,              /* mech_type */
425 	       gss_buffer_t,           /* output_token */
426 	       OM_uint32 *,            /* ret_flags */
427 	       OM_uint32 *,            /* time_rec */
428 	       gss_cred_id_t *         /* delegated_cred_handle */
429 	      );
430 
431 OM_uint32 gss_delete_sec_context
432 	      (OM_uint32 *,            /* minor_status */
433 	       gss_ctx_id_t *,         /* context_handle */
434 	       gss_buffer_t            /* output_token */
435 	      );
436 
437 OM_uint32 gss_get_mic
438 	      (OM_uint32 *,            /* minor_status */
439 	       const gss_ctx_id_t,     /* context_handle */
440 	       gss_qop_t,              /* qop_req */
441 	       const gss_buffer_t,     /* message_buffer */
442 	       gss_buffer_t            /* message_token */
443 	      );
444 
445 OM_uint32 gss_verify_mic
446 	      (OM_uint32 *,            /* minor_status */
447 	       const gss_ctx_id_t,     /* context_handle */
448 	       const gss_buffer_t,     /* message_buffer */
449 	       const gss_buffer_t,     /* token_buffer */
450 	       gss_qop_t *             /* qop_state */
451 	      );
452 
453 OM_uint32 gss_wrap
454 	      (OM_uint32 *,            /* minor_status */
455 	       const gss_ctx_id_t,     /* context_handle */
456 	       int,                    /* conf_req_flag */
457 	       gss_qop_t,              /* qop_req */
458 	       const gss_buffer_t,     /* input_message_buffer */
459 	       int *,                  /* conf_state */
460 	       gss_buffer_t            /* output_message_buffer */
461 	      );
462 
463 OM_uint32 gss_unwrap
464 	      (OM_uint32 *,            /* minor_status */
465 	       const gss_ctx_id_t,     /* context_handle */
466 	       const gss_buffer_t,     /* input_message_buffer */
467 	       gss_buffer_t,           /* output_message_buffer */
468 	       int *,                  /* conf_state */
469 	       gss_qop_t *             /* qop_state */
470 	      );
471 
472 OM_uint32 gss_display_status
473 	      (OM_uint32 *,            /* minor_status */
474 	       OM_uint32,              /* status_value */
475 	       int,                    /* status_type */
476 	       const gss_OID,          /* mech_type */
477 	       OM_uint32 *,            /* message_context */
478 	       gss_buffer_t            /* status_string */
479 	      );
480 
481 OM_uint32 gss_import_name
482 	      (OM_uint32 *,            /* minor_status */
483 	       const gss_buffer_t,     /* input_name_buffer */
484 	       const gss_OID,          /* input_name_type */
485 	       gss_name_t *            /* output_name */
486 	      );
487 
488 OM_uint32 gss_export_name
489 	      (OM_uint32 *,            /* minor_status */
490 	       const gss_name_t,       /* input_name */
491 	       gss_buffer_t            /* exported_name */
492 	      );
493 
494 OM_uint32 gss_release_name
495 	      (OM_uint32 *,            /* minor_status */
496 	       gss_name_t *            /* input_name */
497 	      );
498 
499 OM_uint32 gss_release_buffer
500 	      (OM_uint32 *,            /* minor_status */
501 	       gss_buffer_t            /* buffer */
502 	      );
503 
504 OM_uint32 gss_release_oid_set
505 	      (OM_uint32 *,            /* minor_status */
506 	       gss_OID_set *           /* set */
507 	      );
508 
509 OM_uint32 gss_wrap_size_limit (
510 	       OM_uint32 *,            /* minor_status */
511 	       const gss_ctx_id_t,     /* context_handle */
512 	       int,                    /* conf_req_flag */
513 	       gss_qop_t,              /* qop_req */
514 	       OM_uint32,              /* req_output_size */
515 	       OM_uint32 *             /* max_input_size */
516 	      );
517 
518 OM_uint32 gss_create_empty_oid_set (
519 	       OM_uint32 *,            /* minor_status */
520 	       gss_OID_set *           /* oid_set */
521 	      );
522 
523 OM_uint32 gss_add_oid_set_member (
524 	       OM_uint32 *,            /* minor_status */
525 	       const gss_OID,          /* member_oid */
526 	       gss_OID_set *           /* oid_set */
527 	      );
528 
529 OM_uint32 gss_test_oid_set_member (
530 	       OM_uint32 *,            /* minor_status */
531 	       const gss_OID,          /* member */
532 	       const gss_OID_set,      /* set */
533 	       int *                   /* present */
534 	      );
535 
536 OM_uint32 gss_canonicalize_name (
537 	       OM_uint32 *,            /* minor_status */
538 	       const gss_name_t,       /* input_name */
539 	       const gss_OID,          /* mech_type */
540 	       gss_name_t *            /* output_name */
541 	      );
542 
543 /*
544  * Other extensions and helper functions.
545  */
546 
547 OM_uint32 gss_set_cred_option
548 	      (OM_uint32 *,		/* minor status */
549 	       gss_cred_id_t *,		/* cred */
550 	       const gss_OID,		/* option to set */
551 	       const gss_buffer_t	/* option value */
552 	      );
553 
554 OM_uint32 gss_pname_to_uid
555 	      (OM_uint32 *,		/* minor status */
556 	       const gss_name_t pname,	/* principal name */
557 	       const gss_OID mech,	/* mechanism to query */
558 	       uid_t *uidp		/* pointer to UID for result */
559 	      );
560 
561 /*
562  * On entry, *numgroups is set to the maximum number of groups to return. On exit, *numgroups is set to the actual number of groups returned.
563  */
564 OM_uint32 gss_pname_to_unix_cred
565 	      (OM_uint32 *,		/* minor status */
566 	       const gss_name_t pname,	/* principal name */
567 	       const gss_OID mech,	/* mechanism to query */
568 	       uid_t *uidp,		/* pointer to UID for result */
569 	       gid_t *gidp,		/* pointer to GID for result */
570 	       int *numgroups,		/* number of groups */
571 	       gid_t *groups		/* pointer to group list */
572 	      );
573 
574 /*
575  * Mbuf oriented message signing and encryption.
576  *
577  * Get_mic allocates an mbuf to hold the message checksum. Verify_mic
578  * may modify the passed-in mic but will not free it.
579  *
580  * Wrap and unwrap
581  * consume the message and generate a new mbuf chain with the
582  * result. The original message is freed on error.
583  */
584 struct mbuf;
585 OM_uint32 gss_get_mic_mbuf
586 	      (OM_uint32 *,            /* minor_status */
587 	       const gss_ctx_id_t,     /* context_handle */
588 	       gss_qop_t,              /* qop_req */
589 	       struct mbuf *,          /* message_buffer */
590 	       struct mbuf **          /* message_token */
591 	      );
592 
593 OM_uint32 gss_verify_mic_mbuf
594 	      (OM_uint32 *,            /* minor_status */
595 	       const gss_ctx_id_t,     /* context_handle */
596 	       struct mbuf *,          /* message_buffer */
597 	       struct mbuf *,          /* token_buffer */
598 	       gss_qop_t *             /* qop_state */
599 	      );
600 
601 OM_uint32 gss_wrap_mbuf
602 	      (OM_uint32 *,            /* minor_status */
603 	       const gss_ctx_id_t,     /* context_handle */
604 	       int,                    /* conf_req_flag */
605 	       gss_qop_t,              /* qop_req */
606 	       struct mbuf **,         /* message_buffer */
607 	       int *                   /* conf_state */
608 	      );
609 
610 OM_uint32 gss_unwrap_mbuf
611 	      (OM_uint32 *,            /* minor_status */
612 	       const gss_ctx_id_t,     /* context_handle */
613 	       struct mbuf **,         /* message_buffer */
614 	       int *,                  /* conf_state */
615 	       gss_qop_t *             /* qop_state */
616 	      );
617 
618 __END_DECLS
619 
620 #endif /* _KGSSAPI_GSSAPI_H_ */
621