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29 #ifndef _KGSSAPI_GSSAPI_H_
30 #define _KGSSAPI_GSSAPI_H_
33 * A cut-down version of the GSS-API for in-kernel use
37 * Now define the three implementation-dependent types.
39 typedef struct _gss_ctx_id_t *gss_ctx_id_t;
40 typedef struct _gss_cred_id_t *gss_cred_id_t;
41 typedef struct _gss_name_t *gss_name_t;
44 * We can't use X/Open definitions, so roll our own.
46 typedef uint32_t OM_uint32;
47 typedef uint64_t OM_uint64;
49 typedef struct gss_OID_desc_struct {
52 } gss_OID_desc, *gss_OID;
54 typedef struct gss_OID_set_desc_struct {
57 } gss_OID_set_desc, *gss_OID_set;
59 typedef struct gss_buffer_desc_struct {
62 } gss_buffer_desc, *gss_buffer_t;
64 typedef 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;
73 * For now, define a QOP-type as an OM_uint32
75 typedef OM_uint32 gss_qop_t;
77 typedef int gss_cred_usage_t;
80 * Flag bits for context-level services.
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
93 * Credential usage options
96 #define GSS_C_INITIATE 1
97 #define GSS_C_ACCEPT 2
100 * Status code types for gss_display_status
102 #define GSS_C_GSS_CODE 1
103 #define GSS_C_MECH_CODE 2
106 * The constant definitions for channel-bindings address families
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
132 * Various Null values
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}
144 * Some alternate names for a couple of the above
145 * values. These are defined for V1 compatibility.
147 #define GSS_C_NULL_OID GSS_C_NO_OID
148 #define GSS_C_NULL_OID_SET GSS_C_NO_OID_SET
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.
159 #define GSS_C_QOP_DEFAULT 0
162 * Expiration time of 2^32-1 seconds means infinite lifetime for a
163 * credential or security context
165 #define GSS_C_INDEFINITE 0xfffffffful
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.
178 extern gss_OID GSS_C_NT_USER_NAME;
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.
191 extern gss_OID GSS_C_NT_MACHINE_UID_NAME;
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.
204 extern gss_OID GSS_C_NT_STRING_UID_NAME;
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
223 extern gss_OID GSS_C_NT_HOSTBASED_SERVICE_X;
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.
236 extern gss_OID GSS_C_NT_HOSTBASED_SERVICE;
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.
248 extern gss_OID GSS_C_NT_ANONYMOUS;
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.
260 extern gss_OID GSS_C_NT_EXPORT_NAME;
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".
268 extern gss_OID GSS_KRB5_NT_PRINCIPAL_NAME;
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".
276 extern gss_OID GSS_KRB5_NT_USER_NAME;
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".
284 extern gss_OID GSS_KRB5_NT_MACHINE_UID_NAME;
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".
292 extern gss_OID GSS_KRB5_NT_STRING_UID_NAME;
294 /* Major status codes */
296 #define GSS_S_COMPLETE 0
299 * Some "helper" definitions to make the status code macros obvious.
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
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
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)))
325 * Now the actual status code definitions
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)
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)
362 * Supplementary info bits:
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))
378 * Finally, function prototypes for the GSS-API routines.
380 OM_uint32 gss_acquire_cred
381 (OM_uint32 *, /* minor_status */
382 const gss_name_t, /* desired_name */
383 OM_uint32, /* time_req */
384 const gss_OID_set, /* desired_mechs */
385 gss_cred_usage_t, /* cred_usage */
386 gss_cred_id_t *, /* output_cred_handle */
387 gss_OID_set *, /* actual_mechs */
388 OM_uint32 * /* time_rec */
391 OM_uint32 gss_release_cred
392 (OM_uint32 *, /* minor_status */
393 gss_cred_id_t * /* cred_handle */
396 OM_uint32 gss_init_sec_context
397 (OM_uint32 *, /* minor_status */
398 const gss_cred_id_t, /* initiator_cred_handle */
399 gss_ctx_id_t *, /* context_handle */
400 const gss_name_t, /* target_name */
401 const gss_OID, /* mech_type */
402 OM_uint32, /* req_flags */
403 OM_uint32, /* time_req */
404 const gss_channel_bindings_t,
405 /* input_chan_bindings */
406 const gss_buffer_t, /* input_token */
407 gss_OID *, /* actual_mech_type */
408 gss_buffer_t, /* output_token */
409 OM_uint32 *, /* ret_flags */
410 OM_uint32 * /* time_rec */
413 OM_uint32 gss_accept_sec_context
414 (OM_uint32 *, /* minor_status */
415 gss_ctx_id_t *, /* context_handle */
416 const gss_cred_id_t, /* acceptor_cred_handle */
417 const gss_buffer_t, /* input_token_buffer */
418 const gss_channel_bindings_t,
419 /* input_chan_bindings */
420 gss_name_t *, /* src_name */
421 gss_OID *, /* mech_type */
422 gss_buffer_t, /* output_token */
423 OM_uint32 *, /* ret_flags */
424 OM_uint32 *, /* time_rec */
425 gss_cred_id_t * /* delegated_cred_handle */
428 OM_uint32 gss_delete_sec_context
429 (OM_uint32 *, /* minor_status */
430 gss_ctx_id_t *, /* context_handle */
431 gss_buffer_t /* output_token */
434 OM_uint32 gss_get_mic
435 (OM_uint32 *, /* minor_status */
436 const gss_ctx_id_t, /* context_handle */
437 gss_qop_t, /* qop_req */
438 const gss_buffer_t, /* message_buffer */
439 gss_buffer_t /* message_token */
442 OM_uint32 gss_verify_mic
443 (OM_uint32 *, /* minor_status */
444 const gss_ctx_id_t, /* context_handle */
445 const gss_buffer_t, /* message_buffer */
446 const gss_buffer_t, /* token_buffer */
447 gss_qop_t * /* qop_state */
451 (OM_uint32 *, /* minor_status */
452 const gss_ctx_id_t, /* context_handle */
453 int, /* conf_req_flag */
454 gss_qop_t, /* qop_req */
455 const gss_buffer_t, /* input_message_buffer */
456 int *, /* conf_state */
457 gss_buffer_t /* output_message_buffer */
461 (OM_uint32 *, /* minor_status */
462 const gss_ctx_id_t, /* context_handle */
463 const gss_buffer_t, /* input_message_buffer */
464 gss_buffer_t, /* output_message_buffer */
465 int *, /* conf_state */
466 gss_qop_t * /* qop_state */
469 OM_uint32 gss_display_status
470 (OM_uint32 *, /* minor_status */
471 OM_uint32, /* status_value */
472 int, /* status_type */
473 const gss_OID, /* mech_type */
474 OM_uint32 *, /* message_context */
475 gss_buffer_t /* status_string */
478 OM_uint32 gss_import_name
479 (OM_uint32 *, /* minor_status */
480 const gss_buffer_t, /* input_name_buffer */
481 const gss_OID, /* input_name_type */
482 gss_name_t * /* output_name */
485 OM_uint32 gss_export_name
486 (OM_uint32 *, /* minor_status */
487 const gss_name_t, /* input_name */
488 gss_buffer_t /* exported_name */
491 OM_uint32 gss_release_name
492 (OM_uint32 *, /* minor_status */
493 gss_name_t * /* input_name */
496 OM_uint32 gss_release_buffer
497 (OM_uint32 *, /* minor_status */
498 gss_buffer_t /* buffer */
501 OM_uint32 gss_release_oid_set
502 (OM_uint32 *, /* minor_status */
503 gss_OID_set * /* set */
506 OM_uint32 gss_wrap_size_limit (
507 OM_uint32 *, /* minor_status */
508 const gss_ctx_id_t, /* context_handle */
509 int, /* conf_req_flag */
510 gss_qop_t, /* qop_req */
511 OM_uint32, /* req_output_size */
512 OM_uint32 * /* max_input_size */
515 OM_uint32 gss_create_empty_oid_set (
516 OM_uint32 *, /* minor_status */
517 gss_OID_set * /* oid_set */
520 OM_uint32 gss_add_oid_set_member (
521 OM_uint32 *, /* minor_status */
522 const gss_OID, /* member_oid */
523 gss_OID_set * /* oid_set */
526 OM_uint32 gss_test_oid_set_member (
527 OM_uint32 *, /* minor_status */
528 const gss_OID, /* member */
529 const gss_OID_set, /* set */
533 OM_uint32 gss_canonicalize_name (
534 OM_uint32 *, /* minor_status */
535 const gss_name_t, /* input_name */
536 const gss_OID, /* mech_type */
537 gss_name_t * /* output_name */
541 * Other extensions and helper functions.
544 OM_uint32 gss_set_cred_option
545 (OM_uint32 *, /* minor status */
546 gss_cred_id_t *, /* cred */
547 const gss_OID, /* option to set */
548 const gss_buffer_t /* option value */
551 OM_uint32 gss_pname_to_uid
552 (OM_uint32 *, /* minor status */
553 const gss_name_t pname, /* principal name */
554 const gss_OID mech, /* mechanism to query */
555 uid_t *uidp /* pointer to UID for result */
559 * 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.
561 OM_uint32 gss_pname_to_unix_cred
562 (OM_uint32 *, /* minor status */
563 const gss_name_t pname, /* principal name */
564 const gss_OID mech, /* mechanism to query */
565 uid_t *uidp, /* pointer to UID for result */
566 gid_t *gidp, /* pointer to GID for result */
567 int *numgroups, /* number of groups */
568 gid_t *groups /* pointer to group list */
572 * Mbuf oriented message signing and encryption.
574 * Get_mic allocates an mbuf to hold the message checksum. Verify_mic
575 * may modify the passed-in mic but will not free it.
578 * consume the message and generate a new mbuf chain with the
579 * result. The original message is freed on error.
582 OM_uint32 gss_get_mic_mbuf
583 (OM_uint32 *, /* minor_status */
584 const gss_ctx_id_t, /* context_handle */
585 gss_qop_t, /* qop_req */
586 struct mbuf *, /* message_buffer */
587 struct mbuf ** /* message_token */
590 OM_uint32 gss_verify_mic_mbuf
591 (OM_uint32 *, /* minor_status */
592 const gss_ctx_id_t, /* context_handle */
593 struct mbuf *, /* message_buffer */
594 struct mbuf *, /* token_buffer */
595 gss_qop_t * /* qop_state */
598 OM_uint32 gss_wrap_mbuf
599 (OM_uint32 *, /* minor_status */
600 const gss_ctx_id_t, /* context_handle */
601 int, /* conf_req_flag */
602 gss_qop_t, /* qop_req */
603 struct mbuf **, /* message_buffer */
604 int * /* conf_state */
607 OM_uint32 gss_unwrap_mbuf
608 (OM_uint32 *, /* minor_status */
609 const gss_ctx_id_t, /* context_handle */
610 struct mbuf **, /* message_buffer */
611 int *, /* conf_state */
612 gss_qop_t * /* qop_state */
617 #endif /* _KGSSAPI_GSSAPI_H_ */