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
29#ifndef _KGSSAPI_GSSAPI_H_
30#define _KGSSAPI_GSSAPI_H_
31
32/*
33 * A cut-down version of the GSS-API for in-kernel use
34 */
35
36/*
37 * Now define the three implementation-dependent types.
38 */
39typedef struct _gss_ctx_id_t *gss_ctx_id_t;
40typedef struct _gss_cred_id_t *gss_cred_id_t;
41typedef struct _gss_name_t *gss_name_t;
42
43/*
44 * We can't use X/Open definitions, so roll our own.
45 */
46typedef uint32_t OM_uint32;
47typedef uint64_t OM_uint64;
48
49typedef struct gss_OID_desc_struct {
50  OM_uint32 length;
51  void      *elements;
52} gss_OID_desc, *gss_OID;
53
54typedef struct gss_OID_set_desc_struct  {
55  size_t     count;
56  gss_OID    elements;
57} gss_OID_set_desc, *gss_OID_set;
58
59typedef struct gss_buffer_desc_struct {
60  size_t length;
61  void *value;
62} gss_buffer_desc, *gss_buffer_t;
63
64typedef struct gss_channel_bindings_struct {
65  OM_uint32 initiator_addrtype;
66  gss_buffer_desc initiator_address;
67  OM_uint32 acceptor_addrtype;
68  gss_buffer_desc acceptor_address;
69  gss_buffer_desc application_data;
70} *gss_channel_bindings_t;
71
72/*
73 * For now, define a QOP-type as an OM_uint32
74 */
75typedef OM_uint32 gss_qop_t;
76
77typedef int gss_cred_usage_t;
78
79/*
80 * Flag bits for context-level services.
81 */
82#define GSS_C_DELEG_FLAG      1
83#define GSS_C_MUTUAL_FLAG     2
84#define GSS_C_REPLAY_FLAG     4
85#define GSS_C_SEQUENCE_FLAG   8
86#define GSS_C_CONF_FLAG       16
87#define GSS_C_INTEG_FLAG      32
88#define GSS_C_ANON_FLAG       64
89#define GSS_C_PROT_READY_FLAG 128
90#define GSS_C_TRANS_FLAG      256
91
92/*
93 * Credential usage options
94 */
95#define GSS_C_BOTH     0
96#define GSS_C_INITIATE 1
97#define GSS_C_ACCEPT   2
98
99/*
100 * Status code types for gss_display_status
101 */
102#define GSS_C_GSS_CODE  1
103#define GSS_C_MECH_CODE 2
104
105/*
106 * The constant definitions for channel-bindings address families
107 */
108#define GSS_C_AF_UNSPEC     0
109#define GSS_C_AF_LOCAL      1
110#define GSS_C_AF_INET       2
111#define GSS_C_AF_IMPLINK    3
112#define GSS_C_AF_PUP        4
113#define GSS_C_AF_CHAOS      5
114#define GSS_C_AF_NS         6
115#define GSS_C_AF_NBS        7
116#define GSS_C_AF_ECMA       8
117#define GSS_C_AF_DATAKIT    9
118#define GSS_C_AF_CCITT      10
119#define GSS_C_AF_SNA        11
120#define GSS_C_AF_DECnet     12
121#define GSS_C_AF_DLI        13
122#define GSS_C_AF_LAT        14
123#define GSS_C_AF_HYLINK     15
124#define GSS_C_AF_APPLETALK  16
125#define GSS_C_AF_BSC        17
126#define GSS_C_AF_DSS        18
127#define GSS_C_AF_OSI        19
128#define GSS_C_AF_X25        21
129#define GSS_C_AF_NULLADDR   255
130
131/*
132 * Various Null values
133 */
134#define GSS_C_NO_NAME ((gss_name_t) 0)
135#define GSS_C_NO_BUFFER ((gss_buffer_t) 0)
136#define GSS_C_NO_OID ((gss_OID) 0)
137#define GSS_C_NO_OID_SET ((gss_OID_set) 0)
138#define GSS_C_NO_CONTEXT ((gss_ctx_id_t) 0)
139#define GSS_C_NO_CREDENTIAL ((gss_cred_id_t) 0)
140#define GSS_C_NO_CHANNEL_BINDINGS ((gss_channel_bindings_t) 0)
141#define GSS_C_EMPTY_BUFFER {0, NULL}
142
143/*
144 * Some alternate names for a couple of the above
145 * values.  These are defined for V1 compatibility.
146 */
147#define GSS_C_NULL_OID GSS_C_NO_OID
148#define GSS_C_NULL_OID_SET GSS_C_NO_OID_SET
149
150/*
151 * Define the default Quality of Protection for per-message
152 * services.  Note that an implementation that offers multiple
153 * levels of QOP may define GSS_C_QOP_DEFAULT to be either zero
154 * (as done here) to mean "default protection", or to a specific
155 * explicit QOP value.  However, a value of 0 should always be
156 * interpreted by a GSS-API implementation as a request for the
157 * default protection level.
158 */
159#define GSS_C_QOP_DEFAULT 0
160
161/*
162 * Expiration time of 2^32-1 seconds means infinite lifetime for a
163 * credential or security context
164 */
165#define GSS_C_INDEFINITE 0xfffffffful
166
167/*
168 * The implementation must reserve static storage for a
169 * gss_OID_desc object containing the value
170 * {10, (void *)"\x2a\x86\x48\x86\xf7\x12"
171 * "\x01\x02\x01\x01"},
172 * corresponding to an object-identifier value of
173 * {iso(1) member-body(2) United States(840) mit(113554)
174 * infosys(1) gssapi(2) generic(1) user_name(1)}.  The constant
175 * GSS_C_NT_USER_NAME should be initialized to point
176 * to that gss_OID_desc.
177 */
178extern gss_OID GSS_C_NT_USER_NAME;
179
180/*
181 * The implementation must reserve static storage for a
182 * gss_OID_desc object containing the value
183 * {10, (void *)"\x2a\x86\x48\x86\xf7\x12"
184 *              "\x01\x02\x01\x02"},
185 * corresponding to an object-identifier value of
186 * {iso(1) member-body(2) United States(840) mit(113554)
187 * infosys(1) gssapi(2) generic(1) machine_uid_name(2)}.
188 * The constant GSS_C_NT_MACHINE_UID_NAME should be
189 * initialized to point to that gss_OID_desc.
190 */
191extern gss_OID GSS_C_NT_MACHINE_UID_NAME;
192
193/*
194 * The implementation must reserve static storage for a
195 * gss_OID_desc object containing the value
196 * {10, (void *)"\x2a\x86\x48\x86\xf7\x12"
197 *              "\x01\x02\x01\x03"},
198 * corresponding to an object-identifier value of
199 * {iso(1) member-body(2) United States(840) mit(113554)
200 * infosys(1) gssapi(2) generic(1) string_uid_name(3)}.
201 * The constant GSS_C_NT_STRING_UID_NAME should be
202 * initialized to point to that gss_OID_desc.
203 */
204extern gss_OID GSS_C_NT_STRING_UID_NAME;
205
206/*
207 * The implementation must reserve static storage for a
208 * gss_OID_desc object containing the value
209 * {6, (void *)"\x2b\x06\x01\x05\x06\x02"},
210 * corresponding to an object-identifier value of
211 * {iso(1) org(3) dod(6) internet(1) security(5)
212 * nametypes(6) gss-host-based-services(2)).  The constant
213 * GSS_C_NT_HOSTBASED_SERVICE_X should be initialized to point
214 * to that gss_OID_desc.  This is a deprecated OID value, and
215 * implementations wishing to support hostbased-service names
216 * should instead use the GSS_C_NT_HOSTBASED_SERVICE OID,
217 * defined below, to identify such names;
218 * GSS_C_NT_HOSTBASED_SERVICE_X should be accepted a synonym
219 * for GSS_C_NT_HOSTBASED_SERVICE when presented as an input
220 * parameter, but should not be emitted by GSS-API
221 * implementations
222 */
223extern gss_OID GSS_C_NT_HOSTBASED_SERVICE_X;
224
225/*
226 * The implementation must reserve static storage for a
227 * gss_OID_desc object containing the value
228 * {10, (void *)"\x2a\x86\x48\x86\xf7\x12"
229 *              "\x01\x02\x01\x04"}, corresponding to an
230 * object-identifier value of {iso(1) member-body(2)
231 * Unites States(840) mit(113554) infosys(1) gssapi(2)
232 * generic(1) service_name(4)}.  The constant
233 * GSS_C_NT_HOSTBASED_SERVICE should be initialized
234 * to point to that gss_OID_desc.
235 */
236extern gss_OID GSS_C_NT_HOSTBASED_SERVICE;
237
238/*
239 * The implementation must reserve static storage for a
240 * gss_OID_desc object containing the value
241 * {6, (void *)"\x2b\x06\01\x05\x06\x03"},
242 * corresponding to an object identifier value of
243 * {1(iso), 3(org), 6(dod), 1(internet), 5(security),
244 * 6(nametypes), 3(gss-anonymous-name)}.  The constant
245 * and GSS_C_NT_ANONYMOUS should be initialized to point
246 * to that gss_OID_desc.
247 */
248extern gss_OID GSS_C_NT_ANONYMOUS;
249
250/*
251 * The implementation must reserve static storage for a
252 * gss_OID_desc object containing the value
253 * {6, (void *)"\x2b\x06\x01\x05\x06\x04"},
254 * corresponding to an object-identifier value of
255 * {1(iso), 3(org), 6(dod), 1(internet), 5(security),
256 * 6(nametypes), 4(gss-api-exported-name)}.  The constant
257 * GSS_C_NT_EXPORT_NAME should be initialized to point
258 * to that gss_OID_desc.
259 */
260extern gss_OID GSS_C_NT_EXPORT_NAME;
261
262/*
263 *   This name form shall be represented by the Object Identifier {iso(1)
264 *   member-body(2) United States(840) mit(113554) infosys(1) gssapi(2)
265 *   krb5(2) krb5_name(1)}.  The recommended symbolic name for this type
266 *   is "GSS_KRB5_NT_PRINCIPAL_NAME".
267 */
268extern gss_OID GSS_KRB5_NT_PRINCIPAL_NAME;
269
270/*
271 * This name form shall be represented by the Object Identifier {iso(1)
272 * member-body(2) United States(840) mit(113554) infosys(1) gssapi(2)
273 * generic(1) user_name(1)}.  The recommended symbolic name for this
274 * type is "GSS_KRB5_NT_USER_NAME".
275 */
276extern gss_OID GSS_KRB5_NT_USER_NAME;
277
278/*
279 * This name form shall be represented by the Object Identifier {iso(1)
280 * member-body(2) United States(840) mit(113554) infosys(1) gssapi(2)
281 * generic(1) machine_uid_name(2)}.  The recommended symbolic name for
282 * this type is "GSS_KRB5_NT_MACHINE_UID_NAME".
283 */
284extern gss_OID GSS_KRB5_NT_MACHINE_UID_NAME;
285
286/*
287 * This name form shall be represented by the Object Identifier {iso(1)
288 * member-body(2) United States(840) mit(113554) infosys(1) gssapi(2)
289 * generic(1) string_uid_name(3)}.  The recommended symbolic name for
290 * this type is "GSS_KRB5_NT_STRING_UID_NAME".
291 */
292extern gss_OID GSS_KRB5_NT_STRING_UID_NAME;
293
294/* Major status codes */
295
296#define GSS_S_COMPLETE 0
297
298/*
299 * Some "helper" definitions to make the status code macros obvious.
300 */
301#define GSS_C_CALLING_ERROR_OFFSET 24
302#define GSS_C_ROUTINE_ERROR_OFFSET 16
303#define GSS_C_SUPPLEMENTARY_OFFSET 0
304#define GSS_C_CALLING_ERROR_MASK 0377ul
305#define GSS_C_ROUTINE_ERROR_MASK 0377ul
306#define GSS_C_SUPPLEMENTARY_MASK 0177777ul
307
308/*
309 * The macros that test status codes for error conditions.
310 * Note that the GSS_ERROR() macro has changed slightly from
311 * the V1 GSS-API so that it now evaluates its argument
312 * only once.
313 */
314#define GSS_CALLING_ERROR(x) \
315 (x & (GSS_C_CALLING_ERROR_MASK << GSS_C_CALLING_ERROR_OFFSET))
316#define GSS_ROUTINE_ERROR(x) \
317 (x & (GSS_C_ROUTINE_ERROR_MASK << GSS_C_ROUTINE_ERROR_OFFSET))
318#define GSS_SUPPLEMENTARY_INFO(x) \
319 (x & (GSS_C_SUPPLEMENTARY_MASK << GSS_C_SUPPLEMENTARY_OFFSET))
320#define GSS_ERROR(x) \
321 (x & ((GSS_C_CALLING_ERROR_MASK << GSS_C_CALLING_ERROR_OFFSET) | \
322       (GSS_C_ROUTINE_ERROR_MASK << GSS_C_ROUTINE_ERROR_OFFSET)))
323
324/*
325 * Now the actual status code definitions
326 */
327
328/*
329 * Calling errors:
330 */
331#define GSS_S_CALL_INACCESSIBLE_READ \
332(1ul << GSS_C_CALLING_ERROR_OFFSET)
333#define GSS_S_CALL_INACCESSIBLE_WRITE \
334(2ul << GSS_C_CALLING_ERROR_OFFSET)
335#define GSS_S_CALL_BAD_STRUCTURE \
336(3ul << GSS_C_CALLING_ERROR_OFFSET)
337
338/*
339 * Routine errors:
340 */
341#define GSS_S_BAD_MECH             (1ul << GSS_C_ROUTINE_ERROR_OFFSET)
342#define GSS_S_BAD_NAME             (2ul << GSS_C_ROUTINE_ERROR_OFFSET)
343#define GSS_S_BAD_NAMETYPE         (3ul << GSS_C_ROUTINE_ERROR_OFFSET)
344#define GSS_S_BAD_BINDINGS         (4ul << GSS_C_ROUTINE_ERROR_OFFSET)
345#define GSS_S_BAD_STATUS           (5ul << GSS_C_ROUTINE_ERROR_OFFSET)
346#define GSS_S_BAD_SIG              (6ul << GSS_C_ROUTINE_ERROR_OFFSET)
347#define GSS_S_BAD_MIC		   GSS_S_BAD_SIG
348#define GSS_S_NO_CRED              (7ul << GSS_C_ROUTINE_ERROR_OFFSET)
349#define GSS_S_NO_CONTEXT           (8ul << GSS_C_ROUTINE_ERROR_OFFSET)
350#define GSS_S_DEFECTIVE_TOKEN      (9ul << GSS_C_ROUTINE_ERROR_OFFSET)
351#define GSS_S_DEFECTIVE_CREDENTIAL (10ul << GSS_C_ROUTINE_ERROR_OFFSET)
352#define GSS_S_CREDENTIALS_EXPIRED  (11ul << GSS_C_ROUTINE_ERROR_OFFSET)
353#define GSS_S_CONTEXT_EXPIRED      (12ul << GSS_C_ROUTINE_ERROR_OFFSET)
354#define GSS_S_FAILURE              (13ul << GSS_C_ROUTINE_ERROR_OFFSET)
355#define GSS_S_BAD_QOP              (14ul << GSS_C_ROUTINE_ERROR_OFFSET)
356#define GSS_S_UNAUTHORIZED         (15ul << GSS_C_ROUTINE_ERROR_OFFSET)
357#define GSS_S_UNAVAILABLE          (16ul << GSS_C_ROUTINE_ERROR_OFFSET)
358#define GSS_S_DUPLICATE_ELEMENT    (17ul << GSS_C_ROUTINE_ERROR_OFFSET)
359#define GSS_S_NAME_NOT_MN          (18ul << GSS_C_ROUTINE_ERROR_OFFSET)
360
361/*
362 * Supplementary info bits:
363 */
364#define GSS_S_CONTINUE_NEEDED \
365	 (1ul << (GSS_C_SUPPLEMENTARY_OFFSET + 0))
366#define GSS_S_DUPLICATE_TOKEN \
367	 (1ul << (GSS_C_SUPPLEMENTARY_OFFSET + 1))
368#define GSS_S_OLD_TOKEN \
369	 (1ul << (GSS_C_SUPPLEMENTARY_OFFSET + 2))
370#define GSS_S_UNSEQ_TOKEN \
371	 (1ul << (GSS_C_SUPPLEMENTARY_OFFSET + 3))
372#define GSS_S_GAP_TOKEN \
373	 (1ul << (GSS_C_SUPPLEMENTARY_OFFSET + 4))
374
375/*
376 * NI_MAXSERV and NI_MAXHOST.  The srv_principal argument for
377 * rpc_gss_ip_to_srv_principal should point to at least
378 * NI_MAXSERV + NI_MAXHOST + 1 bytes of storage. The "+ 1" is for the '@'.
379 * The NI_MAXHOST limit is checked for gss_ip_to_dns().
380 * These should be set to the same value as they are in <netdb.h>.
381 */
382#ifndef NI_MAXHOST
383#define	NI_MAXSERV	32
384#define	NI_MAXHOST	1025
385#endif
386
387__BEGIN_DECLS
388
389/*
390 * Finally, function prototypes for the GSS-API routines.
391 */
392OM_uint32 gss_acquire_cred
393	      (OM_uint32 *,            /* minor_status */
394	       const gss_name_t,       /* desired_name */
395	       OM_uint32,              /* time_req */
396	       const gss_OID_set,      /* desired_mechs */
397	       gss_cred_usage_t,       /* cred_usage */
398	       gss_cred_id_t *,        /* output_cred_handle */
399	       gss_OID_set *,          /* actual_mechs */
400	       OM_uint32 *             /* time_rec */
401	      );
402
403OM_uint32 gss_release_cred
404	      (OM_uint32 *,            /* minor_status */
405	       gss_cred_id_t *         /* cred_handle */
406	      );
407
408OM_uint32 gss_init_sec_context
409	      (OM_uint32 *,            /* minor_status */
410	       const gss_cred_id_t,    /* initiator_cred_handle */
411	       gss_ctx_id_t *,         /* context_handle */
412	       const gss_name_t,       /* target_name */
413	       const gss_OID,          /* mech_type */
414	       OM_uint32,              /* req_flags */
415	       OM_uint32,              /* time_req */
416	       const gss_channel_bindings_t,
417				       /* input_chan_bindings */
418	       const gss_buffer_t,     /* input_token */
419	       gss_OID *,              /* actual_mech_type */
420	       gss_buffer_t,           /* output_token */
421	       OM_uint32 *,            /* ret_flags */
422	       OM_uint32 *             /* time_rec */
423	      );
424
425OM_uint32 gss_accept_sec_context
426	      (OM_uint32 *,            /* minor_status */
427	       gss_ctx_id_t *,         /* context_handle */
428	       const gss_cred_id_t,    /* acceptor_cred_handle */
429	       const gss_buffer_t,     /* input_token_buffer */
430	       const gss_channel_bindings_t,
431				       /* input_chan_bindings */
432	       gss_name_t *,           /* src_name */
433	       gss_OID *,              /* mech_type */
434	       gss_buffer_t,           /* output_token */
435	       OM_uint32 *,            /* ret_flags */
436	       OM_uint32 *,            /* time_rec */
437	       gss_cred_id_t *         /* delegated_cred_handle */
438	      );
439
440OM_uint32 gss_delete_sec_context
441	      (OM_uint32 *,            /* minor_status */
442	       gss_ctx_id_t *,         /* context_handle */
443	       gss_buffer_t            /* output_token */
444	      );
445
446OM_uint32 gss_get_mic
447	      (OM_uint32 *,            /* minor_status */
448	       const gss_ctx_id_t,     /* context_handle */
449	       gss_qop_t,              /* qop_req */
450	       const gss_buffer_t,     /* message_buffer */
451	       gss_buffer_t            /* message_token */
452	      );
453
454OM_uint32 gss_verify_mic
455	      (OM_uint32 *,            /* minor_status */
456	       const gss_ctx_id_t,     /* context_handle */
457	       const gss_buffer_t,     /* message_buffer */
458	       const gss_buffer_t,     /* token_buffer */
459	       gss_qop_t *             /* qop_state */
460	      );
461
462OM_uint32 gss_wrap
463	      (OM_uint32 *,            /* minor_status */
464	       const gss_ctx_id_t,     /* context_handle */
465	       int,                    /* conf_req_flag */
466	       gss_qop_t,              /* qop_req */
467	       const gss_buffer_t,     /* input_message_buffer */
468	       int *,                  /* conf_state */
469	       gss_buffer_t            /* output_message_buffer */
470	      );
471
472OM_uint32 gss_unwrap
473	      (OM_uint32 *,            /* minor_status */
474	       const gss_ctx_id_t,     /* context_handle */
475	       const gss_buffer_t,     /* input_message_buffer */
476	       gss_buffer_t,           /* output_message_buffer */
477	       int *,                  /* conf_state */
478	       gss_qop_t *             /* qop_state */
479	      );
480
481OM_uint32 gss_display_status
482	      (OM_uint32 *,            /* minor_status */
483	       OM_uint32,              /* status_value */
484	       int,                    /* status_type */
485	       const gss_OID,          /* mech_type */
486	       OM_uint32 *,            /* message_context */
487	       gss_buffer_t            /* status_string */
488	      );
489
490OM_uint32 gss_import_name
491	      (OM_uint32 *,            /* minor_status */
492	       const gss_buffer_t,     /* input_name_buffer */
493	       const gss_OID,          /* input_name_type */
494	       gss_name_t *            /* output_name */
495	      );
496
497OM_uint32 gss_export_name
498	      (OM_uint32 *,            /* minor_status */
499	       const gss_name_t,       /* input_name */
500	       gss_buffer_t            /* exported_name */
501	      );
502
503OM_uint32 gss_release_name
504	      (OM_uint32 *,            /* minor_status */
505	       gss_name_t *            /* input_name */
506	      );
507
508OM_uint32 gss_release_buffer
509	      (OM_uint32 *,            /* minor_status */
510	       gss_buffer_t            /* buffer */
511	      );
512
513OM_uint32 gss_release_oid_set
514	      (OM_uint32 *,            /* minor_status */
515	       gss_OID_set *           /* set */
516	      );
517
518OM_uint32 gss_wrap_size_limit (
519	       OM_uint32 *,            /* minor_status */
520	       const gss_ctx_id_t,     /* context_handle */
521	       int,                    /* conf_req_flag */
522	       gss_qop_t,              /* qop_req */
523	       OM_uint32,              /* req_output_size */
524	       OM_uint32 *             /* max_input_size */
525	      );
526
527OM_uint32 gss_create_empty_oid_set (
528	       OM_uint32 *,            /* minor_status */
529	       gss_OID_set *           /* oid_set */
530	      );
531
532OM_uint32 gss_add_oid_set_member (
533	       OM_uint32 *,            /* minor_status */
534	       const gss_OID,          /* member_oid */
535	       gss_OID_set *           /* oid_set */
536	      );
537
538OM_uint32 gss_test_oid_set_member (
539	       OM_uint32 *,            /* minor_status */
540	       const gss_OID,          /* member */
541	       const gss_OID_set,      /* set */
542	       int *                   /* present */
543	      );
544
545OM_uint32 gss_canonicalize_name (
546	       OM_uint32 *,            /* minor_status */
547	       const gss_name_t,       /* input_name */
548	       const gss_OID,          /* mech_type */
549	       gss_name_t *            /* output_name */
550	      );
551
552/*
553 * Other extensions and helper functions.
554 */
555
556OM_uint32 gss_set_cred_option
557	      (OM_uint32 *,		/* minor status */
558	       gss_cred_id_t *,		/* cred */
559	       const gss_OID,		/* option to set */
560	       const gss_buffer_t	/* option value */
561	      );
562
563OM_uint32 gss_pname_to_uid
564	      (OM_uint32 *,		/* minor status */
565	       const gss_name_t pname,	/* principal name */
566	       const gss_OID mech,	/* mechanism to query */
567	       uid_t *uidp		/* pointer to UID for result */
568	      );
569
570/*
571 * 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.
572 */
573OM_uint32 gss_pname_to_unix_cred
574	      (OM_uint32 *,		/* minor status */
575	       const gss_name_t pname,	/* principal name */
576	       const gss_OID mech,	/* mechanism to query */
577	       uid_t *uidp,		/* pointer to UID for result */
578	       gid_t *gidp,		/* pointer to GID for result */
579	       int *numgroups,		/* number of groups */
580	       gid_t *groups		/* pointer to group list */
581	      );
582
583OM_uint32 gss_ip_to_dns
584	      (OM_uint32 *,		/* minor status */
585	       char *ip_addr,	/* IP host address string */
586	       char *dns_name		/* pointer to dns_name for result */
587	      );
588
589/*
590 * Mbuf oriented message signing and encryption.
591 *
592 * Get_mic allocates an mbuf to hold the message checksum. Verify_mic
593 * may modify the passed-in mic but will not free it.
594 *
595 * Wrap and unwrap
596 * consume the message and generate a new mbuf chain with the
597 * result. The original message is freed on error.
598 */
599struct mbuf;
600OM_uint32 gss_get_mic_mbuf
601	      (OM_uint32 *,            /* minor_status */
602	       const gss_ctx_id_t,     /* context_handle */
603	       gss_qop_t,              /* qop_req */
604	       struct mbuf *,          /* message_buffer */
605	       struct mbuf **          /* message_token */
606	      );
607
608OM_uint32 gss_verify_mic_mbuf
609	      (OM_uint32 *,            /* minor_status */
610	       const gss_ctx_id_t,     /* context_handle */
611	       struct mbuf *,          /* message_buffer */
612	       struct mbuf *,          /* token_buffer */
613	       gss_qop_t *             /* qop_state */
614	      );
615
616OM_uint32 gss_wrap_mbuf
617	      (OM_uint32 *,            /* minor_status */
618	       const gss_ctx_id_t,     /* context_handle */
619	       int,                    /* conf_req_flag */
620	       gss_qop_t,              /* qop_req */
621	       struct mbuf **,         /* message_buffer */
622	       int *                   /* conf_state */
623	      );
624
625OM_uint32 gss_unwrap_mbuf
626	      (OM_uint32 *,            /* minor_status */
627	       const gss_ctx_id_t,     /* context_handle */
628	       struct mbuf **,         /* message_buffer */
629	       int *,                  /* conf_state */
630	       gss_qop_t *             /* qop_state */
631	      );
632
633__END_DECLS
634
635#endif /* _KGSSAPI_GSSAPI_H_ */
636