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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))
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>.
383 #define NI_MAXSERV 32
384 #define NI_MAXHOST 1025
390 * Finally, function prototypes for the GSS-API routines.
392 OM_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 */
403 OM_uint32 gss_release_cred
404 (OM_uint32 *, /* minor_status */
405 gss_cred_id_t * /* cred_handle */
408 OM_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 */
425 OM_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 */
440 OM_uint32 gss_delete_sec_context
441 (OM_uint32 *, /* minor_status */
442 gss_ctx_id_t *, /* context_handle */
443 gss_buffer_t /* output_token */
446 OM_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 */
454 OM_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 */
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 */
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 */
481 OM_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 */
490 OM_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 */
497 OM_uint32 gss_export_name
498 (OM_uint32 *, /* minor_status */
499 const gss_name_t, /* input_name */
500 gss_buffer_t /* exported_name */
503 OM_uint32 gss_release_name
504 (OM_uint32 *, /* minor_status */
505 gss_name_t * /* input_name */
508 OM_uint32 gss_release_buffer
509 (OM_uint32 *, /* minor_status */
510 gss_buffer_t /* buffer */
513 OM_uint32 gss_release_oid_set
514 (OM_uint32 *, /* minor_status */
515 gss_OID_set * /* set */
518 OM_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 */
527 OM_uint32 gss_create_empty_oid_set (
528 OM_uint32 *, /* minor_status */
529 gss_OID_set * /* oid_set */
532 OM_uint32 gss_add_oid_set_member (
533 OM_uint32 *, /* minor_status */
534 const gss_OID, /* member_oid */
535 gss_OID_set * /* oid_set */
538 OM_uint32 gss_test_oid_set_member (
539 OM_uint32 *, /* minor_status */
540 const gss_OID, /* member */
541 const gss_OID_set, /* set */
545 OM_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 */
553 * Other extensions and helper functions.
556 OM_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 */
563 OM_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 */
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.
573 OM_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 */
583 OM_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 */
590 * Mbuf oriented message signing and encryption.
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.
596 * consume the message and generate a new mbuf chain with the
597 * result. The original message is freed on error.
600 OM_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 */
608 OM_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 */
616 OM_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 */
625 OM_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 */
635 #endif /* _KGSSAPI_GSSAPI_H_ */