2 * GSSAPI Security Extensions
3 * RPC Pipe client and server routines
4 * Copyright (C) Simo Sorce 2010.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 3 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, see <http://www.gnu.org/licenses/>.
20 /* We support only GSSAPI/KRB5 here */
25 #if defined(HAVE_KRB5) && defined(HAVE_GSS_WRAP_IOV)
30 #ifndef GSS_KRB5_INQ_SSPI_SESSION_KEY_OID
31 #define GSS_KRB5_INQ_SSPI_SESSION_KEY_OID_LENGTH 11
32 #define GSS_KRB5_INQ_SSPI_SESSION_KEY_OID "\x2a\x86\x48\x86\xf7\x12\x01\x02\x02\x05\x05"
35 gss_OID_desc gse_sesskey_inq_oid
= {
36 GSS_KRB5_INQ_SSPI_SESSION_KEY_OID_LENGTH
,
37 (void *)GSS_KRB5_INQ_SSPI_SESSION_KEY_OID
40 #ifndef GSS_KRB5_SESSION_KEY_ENCTYPE_OID
41 #define GSS_KRB5_SESSION_KEY_ENCTYPE_OID_LENGTH 10
42 #define GSS_KRB5_SESSION_KEY_ENCTYPE_OID "\x2a\x86\x48\x86\xf7\x12\x01\x02\x02\x04"
45 gss_OID_desc gse_sesskeytype_oid
= {
46 GSS_KRB5_SESSION_KEY_ENCTYPE_OID_LENGTH
,
47 (void *)GSS_KRB5_SESSION_KEY_ENCTYPE_OID
50 #define GSE_EXTRACT_RELEVANT_AUTHZ_DATA_OID_LENGTH 12
51 /* EXTRACTION OID AUTHZ ID */
52 #define GSE_EXTRACT_RELEVANT_AUTHZ_DATA_OID "\x2a\x86\x48\x86\xf7\x12\x01\x02\x02\x05\x0a" "\x01"
54 gss_OID_desc gse_authz_data_oid
= {
55 GSE_EXTRACT_RELEVANT_AUTHZ_DATA_OID_LENGTH
,
56 (void *)GSE_EXTRACT_RELEVANT_AUTHZ_DATA_OID
59 static char *gse_errstr(TALLOC_CTX
*mem_ctx
, OM_uint32 maj
, OM_uint32 min
);
68 gss_OID_desc gss_mech
;
69 OM_uint32 gss_c_flags
;
71 gss_name_t server_name
;
75 gss_cred_id_t delegated_creds
;
76 gss_name_t client_name
;
82 #ifndef HAVE_GSS_OID_EQUAL
84 static bool gss_oid_equal(const gss_OID o1
, const gss_OID o2
)
89 if ((o1
== NULL
&& o2
!= NULL
) || (o1
!= NULL
&& o2
== NULL
)) {
92 if (o1
->length
!= o2
->length
) {
95 return memcmp(o1
->elements
, o2
->elements
, o1
->length
) == false;
100 /* free non talloc dependent contexts */
101 static int gse_context_destructor(void *ptr
)
103 struct gse_context
*gse_ctx
;
104 OM_uint32 gss_min
, gss_maj
;
106 gse_ctx
= talloc_get_type_abort(ptr
, struct gse_context
);
107 if (gse_ctx
->k5ctx
) {
108 if (gse_ctx
->ccache
) {
109 krb5_cc_close(gse_ctx
->k5ctx
, gse_ctx
->ccache
);
110 gse_ctx
->ccache
= NULL
;
112 if (gse_ctx
->keytab
) {
113 krb5_kt_close(gse_ctx
->k5ctx
, gse_ctx
->keytab
);
114 gse_ctx
->keytab
= NULL
;
116 krb5_free_context(gse_ctx
->k5ctx
);
117 gse_ctx
->k5ctx
= NULL
;
119 if (gse_ctx
->gss_ctx
!= GSS_C_NO_CONTEXT
) {
120 gss_maj
= gss_delete_sec_context(&gss_min
,
124 if (gse_ctx
->server_name
) {
125 gss_maj
= gss_release_name(&gss_min
,
126 &gse_ctx
->server_name
);
128 if (gse_ctx
->client_name
) {
129 gss_maj
= gss_release_name(&gss_min
,
130 &gse_ctx
->client_name
);
132 if (gse_ctx
->creds
) {
133 gss_maj
= gss_release_cred(&gss_min
,
136 if (gse_ctx
->delegated_creds
) {
137 gss_maj
= gss_release_cred(&gss_min
,
138 &gse_ctx
->delegated_creds
);
141 /* MIT and Heimdal differ as to if you can call
142 * gss_release_oid() on this OID, generated by
143 * gss_{accept,init}_sec_context(). However, as long as the
144 * oid is gss_mech_krb5 (which it always is at the moment),
145 * then this is a moot point, as both declare this particular
146 * OID static, and so no memory is lost. This assert is in
147 * place to ensure that the programmer who wishes to extend
148 * this code to EAP or other GSS mechanisms determines an
149 * implementation-dependent way of releasing any dynamically
151 SMB_ASSERT(gss_oid_equal(&gse_ctx
->gss_mech
, GSS_C_NO_OID
) || gss_oid_equal(&gse_ctx
->gss_mech
, gss_mech_krb5
));
156 static NTSTATUS
gse_context_init(TALLOC_CTX
*mem_ctx
,
157 bool do_sign
, bool do_seal
,
158 const char *ccache_name
,
159 uint32_t add_gss_c_flags
,
160 struct gse_context
**_gse_ctx
)
162 struct gse_context
*gse_ctx
;
163 krb5_error_code k5ret
;
166 gse_ctx
= talloc_zero(mem_ctx
, struct gse_context
);
168 return NT_STATUS_NO_MEMORY
;
170 talloc_set_destructor((TALLOC_CTX
*)gse_ctx
, gse_context_destructor
);
172 memcpy(&gse_ctx
->gss_mech
, gss_mech_krb5
, sizeof(gss_OID_desc
));
174 gse_ctx
->gss_c_flags
= GSS_C_MUTUAL_FLAG
|
176 GSS_C_DELEG_POLICY_FLAG
|
180 gse_ctx
->gss_c_flags
|= GSS_C_INTEG_FLAG
;
183 gse_ctx
->gss_c_flags
|= GSS_C_CONF_FLAG
;
186 gse_ctx
->gss_c_flags
|= add_gss_c_flags
;
188 /* Initialize Kerberos Context */
189 initialize_krb5_error_table();
191 k5ret
= krb5_init_context(&gse_ctx
->k5ctx
);
193 DEBUG(0, ("Failed to initialize kerberos context! (%s)\n",
194 error_message(k5ret
)));
195 status
= NT_STATUS_INTERNAL_ERROR
;
200 ccache_name
= krb5_cc_default_name(gse_ctx
->k5ctx
);
202 k5ret
= krb5_cc_resolve(gse_ctx
->k5ctx
, ccache_name
,
205 DEBUG(1, ("Failed to resolve credential cache! (%s)\n",
206 error_message(k5ret
)));
207 status
= NT_STATUS_INTERNAL_ERROR
;
211 /* TODO: Should we enforce a enc_types list ?
212 ret = krb5_set_default_tgs_ktypes(gse_ctx->k5ctx, enc_types);
219 TALLOC_FREE(gse_ctx
);
223 NTSTATUS
gse_init_client(TALLOC_CTX
*mem_ctx
,
224 bool do_sign
, bool do_seal
,
225 const char *ccache_name
,
228 const char *username
,
229 const char *password
,
230 uint32_t add_gss_c_flags
,
231 struct gse_context
**_gse_ctx
)
233 struct gse_context
*gse_ctx
;
234 OM_uint32 gss_maj
, gss_min
;
235 gss_buffer_desc name_buffer
= {0, NULL
};
236 gss_OID_set_desc mech_set
;
239 if (!server
|| !service
) {
240 return NT_STATUS_INVALID_PARAMETER
;
243 status
= gse_context_init(mem_ctx
, do_sign
, do_seal
,
244 ccache_name
, add_gss_c_flags
,
246 if (!NT_STATUS_IS_OK(status
)) {
247 return NT_STATUS_NO_MEMORY
;
250 name_buffer
.value
= talloc_asprintf(gse_ctx
,
251 "%s@%s", service
, server
);
252 if (!name_buffer
.value
) {
253 status
= NT_STATUS_NO_MEMORY
;
256 name_buffer
.length
= strlen((char *)name_buffer
.value
);
257 gss_maj
= gss_import_name(&gss_min
, &name_buffer
,
258 GSS_C_NT_HOSTBASED_SERVICE
,
259 &gse_ctx
->server_name
);
261 DEBUG(0, ("gss_import_name failed for %s, with [%s]\n",
262 (char *)name_buffer
.value
,
263 gse_errstr(gse_ctx
, gss_maj
, gss_min
)));
264 status
= NT_STATUS_INTERNAL_ERROR
;
268 /* TODO: get krb5 ticket using username/password, if no valid
269 * one already available in ccache */
272 mech_set
.elements
= &gse_ctx
->gss_mech
;
274 gss_maj
= gss_acquire_cred(&gss_min
,
282 DEBUG(0, ("gss_acquire_creds failed for %s, with [%s]\n",
283 (char *)name_buffer
.value
,
284 gse_errstr(gse_ctx
, gss_maj
, gss_min
)));
285 status
= NT_STATUS_INTERNAL_ERROR
;
290 TALLOC_FREE(name_buffer
.value
);
294 TALLOC_FREE(name_buffer
.value
);
295 TALLOC_FREE(gse_ctx
);
299 NTSTATUS
gse_get_client_auth_token(TALLOC_CTX
*mem_ctx
,
300 struct gse_context
*gse_ctx
,
302 DATA_BLOB
*token_out
)
304 OM_uint32 gss_maj
, gss_min
;
305 gss_buffer_desc in_data
;
306 gss_buffer_desc out_data
;
307 DATA_BLOB blob
= data_blob_null
;
310 in_data
.value
= token_in
->data
;
311 in_data
.length
= token_in
->length
;
313 gss_maj
= gss_init_sec_context(&gss_min
,
316 gse_ctx
->server_name
,
318 gse_ctx
->gss_c_flags
,
319 0, GSS_C_NO_CHANNEL_BINDINGS
,
320 &in_data
, NULL
, &out_data
,
324 /* we are done with it */
325 gse_ctx
->more_processing
= false;
326 status
= NT_STATUS_OK
;
328 case GSS_S_CONTINUE_NEEDED
:
329 /* we will need a third leg */
330 gse_ctx
->more_processing
= true;
331 /* status = NT_STATUS_MORE_PROCESSING_REQUIRED; */
332 status
= NT_STATUS_OK
;
335 DEBUG(0, ("gss_init_sec_context failed with [%s]\n",
336 gse_errstr(talloc_tos(), gss_maj
, gss_min
)));
337 status
= NT_STATUS_INTERNAL_ERROR
;
341 blob
= data_blob_talloc(mem_ctx
, out_data
.value
, out_data
.length
);
343 status
= NT_STATUS_NO_MEMORY
;
346 gss_maj
= gss_release_buffer(&gss_min
, &out_data
);
353 NTSTATUS
gse_init_server(TALLOC_CTX
*mem_ctx
,
354 bool do_sign
, bool do_seal
,
355 uint32_t add_gss_c_flags
,
356 struct gse_context
**_gse_ctx
)
358 struct gse_context
*gse_ctx
;
359 OM_uint32 gss_maj
, gss_min
;
363 status
= gse_context_init(mem_ctx
, do_sign
, do_seal
,
364 NULL
, add_gss_c_flags
, &gse_ctx
);
365 if (!NT_STATUS_IS_OK(status
)) {
366 return NT_STATUS_NO_MEMORY
;
369 ret
= gse_krb5_get_server_keytab(gse_ctx
->k5ctx
,
372 status
= NT_STATUS_INTERNAL_ERROR
;
376 #ifdef HAVE_GSS_KRB5_IMPORT_CRED
377 /* This creates a GSSAPI cred_id_t with the principal and keytab set */
378 gss_maj
= gss_krb5_import_cred(&gss_min
, NULL
, NULL
, gse_ctx
->keytab
,
381 DEBUG(0, ("gss_krb5_import_cred failed with [%s]\n",
382 gse_errstr(gse_ctx
, gss_maj
, gss_min
)));
383 status
= NT_STATUS_INTERNAL_ERROR
;
388 * This call sets the default keytab for the whole server, not
389 * just for this context. Need to find a way that does not alter
390 * the state of the whole server ... */
393 gss_OID_set_desc mech_set
;
395 ret
= smb_krb5_keytab_name(gse_ctx
, gse_ctx
->k5ctx
,
396 gse_ctx
->keytab
, &ktname
);
398 status
= NT_STATUS_INTERNAL_ERROR
;
402 ret
= gsskrb5_register_acceptor_identity(ktname
);
404 status
= NT_STATUS_INTERNAL_ERROR
;
409 mech_set
.elements
= &gse_ctx
->gss_mech
;
411 gss_maj
= gss_acquire_cred(&gss_min
,
420 DEBUG(0, ("gss_acquire_creds failed with [%s]\n",
421 gse_errstr(gse_ctx
, gss_maj
, gss_min
)));
422 status
= NT_STATUS_INTERNAL_ERROR
;
427 status
= NT_STATUS_OK
;
430 if (!NT_STATUS_IS_OK(status
)) {
431 TALLOC_FREE(gse_ctx
);
438 NTSTATUS
gse_get_server_auth_token(TALLOC_CTX
*mem_ctx
,
439 struct gse_context
*gse_ctx
,
441 DATA_BLOB
*token_out
)
443 OM_uint32 gss_maj
, gss_min
;
444 gss_buffer_desc in_data
;
445 gss_buffer_desc out_data
;
446 DATA_BLOB blob
= data_blob_null
;
449 in_data
.value
= token_in
->data
;
450 in_data
.length
= token_in
->length
;
452 gss_maj
= gss_accept_sec_context(&gss_min
,
456 GSS_C_NO_CHANNEL_BINDINGS
,
457 &gse_ctx
->client_name
,
460 &gse_ctx
->ret_flags
, NULL
,
461 &gse_ctx
->delegated_creds
);
464 /* we are done with it */
465 gse_ctx
->more_processing
= false;
466 gse_ctx
->authenticated
= true;
467 status
= NT_STATUS_OK
;
469 case GSS_S_CONTINUE_NEEDED
:
470 /* we will need a third leg */
471 gse_ctx
->more_processing
= true;
472 /* status = NT_STATUS_MORE_PROCESSING_REQUIRED; */
473 status
= NT_STATUS_OK
;
476 DEBUG(0, ("gss_init_sec_context failed with [%s]\n",
477 gse_errstr(talloc_tos(), gss_maj
, gss_min
)));
479 if (gse_ctx
->gss_ctx
) {
480 gss_delete_sec_context(&gss_min
,
485 status
= NT_STATUS_INTERNAL_ERROR
;
489 /* we may be told to return nothing */
490 if (out_data
.length
) {
491 blob
= data_blob_talloc(mem_ctx
, out_data
.value
, out_data
.length
);
493 status
= NT_STATUS_NO_MEMORY
;
495 gss_maj
= gss_release_buffer(&gss_min
, &out_data
);
504 NTSTATUS
gse_verify_server_auth_flags(struct gse_context
*gse_ctx
)
506 if (!gse_ctx
->authenticated
) {
507 return NT_STATUS_INVALID_HANDLE
;
510 if (memcmp(gse_ctx
->ret_mech
,
511 gss_mech_krb5
, sizeof(gss_OID_desc
)) != 0) {
512 return NT_STATUS_ACCESS_DENIED
;
515 /* GSS_C_MUTUAL_FLAG */
516 if (gse_ctx
->gss_c_flags
& GSS_C_MUTUAL_FLAG
) {
517 if (!(gse_ctx
->ret_flags
& GSS_C_MUTUAL_FLAG
)) {
518 return NT_STATUS_ACCESS_DENIED
;
522 /* GSS_C_DELEG_FLAG */
523 /* GSS_C_DELEG_POLICY_FLAG */
524 /* GSS_C_REPLAY_FLAG */
525 /* GSS_C_SEQUENCE_FLAG */
527 /* GSS_C_INTEG_FLAG */
528 if (gse_ctx
->gss_c_flags
& GSS_C_INTEG_FLAG
) {
529 if (!(gse_ctx
->ret_flags
& GSS_C_INTEG_FLAG
)) {
530 return NT_STATUS_ACCESS_DENIED
;
534 /* GSS_C_CONF_FLAG */
535 if (gse_ctx
->gss_c_flags
& GSS_C_CONF_FLAG
) {
536 if (!(gse_ctx
->ret_flags
& GSS_C_CONF_FLAG
)) {
537 return NT_STATUS_ACCESS_DENIED
;
544 static char *gse_errstr(TALLOC_CTX
*mem_ctx
, OM_uint32 maj
, OM_uint32 min
)
546 OM_uint32 gss_min
, gss_maj
;
547 gss_buffer_desc msg_min
;
548 gss_buffer_desc msg_maj
;
549 OM_uint32 msg_ctx
= 0;
553 ZERO_STRUCT(msg_min
);
554 ZERO_STRUCT(msg_maj
);
556 gss_maj
= gss_display_status(&gss_min
, maj
, GSS_C_GSS_CODE
,
557 GSS_C_NO_OID
, &msg_ctx
, &msg_maj
);
561 gss_maj
= gss_display_status(&gss_min
, min
, GSS_C_MECH_CODE
,
562 (gss_OID
)discard_const(gss_mech_krb5
),
568 errstr
= talloc_strndup(mem_ctx
,
569 (char *)msg_maj
.value
,
574 errstr
= talloc_strdup_append_buffer(errstr
, ": ");
578 errstr
= talloc_strndup_append_buffer(errstr
,
579 (char *)msg_min
.value
,
587 gss_maj
= gss_release_buffer(&gss_min
, &msg_min
);
590 gss_maj
= gss_release_buffer(&gss_min
, &msg_maj
);
595 bool gse_require_more_processing(struct gse_context
*gse_ctx
)
597 return gse_ctx
->more_processing
;
600 DATA_BLOB
gse_get_session_key(TALLOC_CTX
*mem_ctx
,
601 struct gse_context
*gse_ctx
)
603 OM_uint32 gss_min
, gss_maj
;
604 gss_buffer_set_t set
= GSS_C_NO_BUFFER_SET
;
607 gss_maj
= gss_inquire_sec_context_by_oid(
608 &gss_min
, gse_ctx
->gss_ctx
,
609 &gse_sesskey_inq_oid
, &set
);
611 DEBUG(0, ("gss_inquire_sec_context_by_oid failed [%s]\n",
612 gse_errstr(talloc_tos(), gss_maj
, gss_min
)));
613 return data_blob_null
;
616 if ((set
== GSS_C_NO_BUFFER_SET
) ||
618 (memcmp(set
->elements
[1].value
,
619 gse_sesskeytype_oid
.elements
,
620 gse_sesskeytype_oid
.length
) != 0)) {
621 DEBUG(0, ("gss_inquire_sec_context_by_oid returned unknown "
622 "OID for data in results:\n"));
623 dump_data(1, (uint8_t *)set
->elements
[1].value
,
624 set
->elements
[1].length
);
625 return data_blob_null
;
628 ret
= data_blob_talloc(mem_ctx
, set
->elements
[0].value
,
629 set
->elements
[0].length
);
631 gss_maj
= gss_release_buffer_set(&gss_min
, &set
);
635 NTSTATUS
gse_get_client_name(struct gse_context
*gse_ctx
,
636 TALLOC_CTX
*mem_ctx
, char **cli_name
)
638 OM_uint32 gss_min
, gss_maj
;
639 gss_buffer_desc name_buffer
;
641 if (!gse_ctx
->authenticated
) {
642 return NT_STATUS_ACCESS_DENIED
;
645 if (!gse_ctx
->client_name
) {
646 return NT_STATUS_NOT_FOUND
;
649 /* TODO: check OID matches KRB5 Principal Name OID ? */
651 gss_maj
= gss_display_name(&gss_min
,
652 gse_ctx
->client_name
,
655 DEBUG(0, ("gss_display_name failed [%s]\n",
656 gse_errstr(talloc_tos(), gss_maj
, gss_min
)));
657 return NT_STATUS_INTERNAL_ERROR
;
660 *cli_name
= talloc_strndup(talloc_tos(),
661 (char *)name_buffer
.value
,
664 gss_maj
= gss_release_buffer(&gss_min
, &name_buffer
);
667 return NT_STATUS_NO_MEMORY
;
673 NTSTATUS
gse_get_authz_data(struct gse_context
*gse_ctx
,
674 TALLOC_CTX
*mem_ctx
, DATA_BLOB
*pac
)
676 OM_uint32 gss_min
, gss_maj
;
677 gss_buffer_set_t set
= GSS_C_NO_BUFFER_SET
;
679 if (!gse_ctx
->authenticated
) {
680 return NT_STATUS_ACCESS_DENIED
;
683 gss_maj
= gss_inquire_sec_context_by_oid(
684 &gss_min
, gse_ctx
->gss_ctx
,
685 &gse_authz_data_oid
, &set
);
687 DEBUG(0, ("gss_inquire_sec_context_by_oid failed [%s]\n",
688 gse_errstr(talloc_tos(), gss_maj
, gss_min
)));
689 return NT_STATUS_NOT_FOUND
;
692 if (set
== GSS_C_NO_BUFFER_SET
) {
693 DEBUG(0, ("gss_inquire_sec_context_by_oid returned unknown "
694 "data in results.\n"));
695 return NT_STATUS_INTERNAL_ERROR
;
698 /* for now we just hope it is the first value */
699 *pac
= data_blob_talloc(mem_ctx
,
700 set
->elements
[0].value
,
701 set
->elements
[0].length
);
703 gss_maj
= gss_release_buffer_set(&gss_min
, &set
);
708 NTSTATUS
gse_get_pac_blob(struct gse_context
*gse_ctx
,
709 TALLOC_CTX
*mem_ctx
, DATA_BLOB
*pac_blob
)
711 if (!gse_ctx
->authenticated
) {
712 return NT_STATUS_ACCESS_DENIED
;
715 return gssapi_obtain_pac_blob(mem_ctx
, gse_ctx
->gss_ctx
,
716 gse_ctx
->client_name
, pac_blob
);
719 size_t gse_get_signature_length(struct gse_context
*gse_ctx
,
720 int seal
, size_t payload_size
)
722 OM_uint32 gss_min
, gss_maj
;
723 gss_iov_buffer_desc iov
[2];
724 uint8_t fakebuf
[payload_size
];
727 iov
[0].type
= GSS_IOV_BUFFER_TYPE_HEADER
;
728 iov
[0].buffer
.value
= NULL
;
729 iov
[0].buffer
.length
= 0;
730 iov
[1].type
= GSS_IOV_BUFFER_TYPE_DATA
;
731 iov
[1].buffer
.value
= fakebuf
;
732 iov
[1].buffer
.length
= payload_size
;
734 gss_maj
= gss_wrap_iov_length(&gss_min
, gse_ctx
->gss_ctx
,
735 seal
, GSS_C_QOP_DEFAULT
,
738 DEBUG(0, ("gss_wrap_iov_length failed with [%s]\n",
739 gse_errstr(talloc_tos(), gss_maj
, gss_min
)));
743 return iov
[0].buffer
.length
;
746 NTSTATUS
gse_seal(TALLOC_CTX
*mem_ctx
, struct gse_context
*gse_ctx
,
747 DATA_BLOB
*data
, DATA_BLOB
*signature
)
749 OM_uint32 gss_min
, gss_maj
;
750 gss_iov_buffer_desc iov
[2];
751 int req_seal
= 1; /* setting to 1 means we request sign+seal */
755 /* allocate the memory ourselves so we do not need to talloc_memdup */
756 signature
->length
= gse_get_signature_length(gse_ctx
, 1, data
->length
);
757 if (!signature
->length
) {
758 return NT_STATUS_INTERNAL_ERROR
;
760 signature
->data
= (uint8_t *)talloc_size(mem_ctx
, signature
->length
);
761 if (!signature
->data
) {
762 return NT_STATUS_NO_MEMORY
;
764 iov
[0].type
= GSS_IOV_BUFFER_TYPE_HEADER
;
765 iov
[0].buffer
.value
= signature
->data
;
766 iov
[0].buffer
.length
= signature
->length
;
768 /* data is encrypted in place, which is ok */
769 iov
[1].type
= GSS_IOV_BUFFER_TYPE_DATA
;
770 iov
[1].buffer
.value
= data
->data
;
771 iov
[1].buffer
.length
= data
->length
;
773 gss_maj
= gss_wrap_iov(&gss_min
, gse_ctx
->gss_ctx
,
774 req_seal
, GSS_C_QOP_DEFAULT
,
777 DEBUG(0, ("gss_wrap_iov failed with [%s]\n",
778 gse_errstr(talloc_tos(), gss_maj
, gss_min
)));
779 status
= NT_STATUS_ACCESS_DENIED
;
784 DEBUG(0, ("gss_wrap_iov says data was not sealed!\n"));
785 status
= NT_STATUS_ACCESS_DENIED
;
789 status
= NT_STATUS_OK
;
791 DEBUG(10, ("Sealed %d bytes, and got %d bytes header/signature.\n",
792 (int)iov
[1].buffer
.length
, (int)iov
[0].buffer
.length
));
798 NTSTATUS
gse_unseal(TALLOC_CTX
*mem_ctx
, struct gse_context
*gse_ctx
,
799 DATA_BLOB
*data
, DATA_BLOB
*signature
)
801 OM_uint32 gss_min
, gss_maj
;
802 gss_iov_buffer_desc iov
[2];
806 iov
[0].type
= GSS_IOV_BUFFER_TYPE_HEADER
;
807 iov
[0].buffer
.value
= signature
->data
;
808 iov
[0].buffer
.length
= signature
->length
;
810 /* data is decrypted in place, which is ok */
811 iov
[1].type
= GSS_IOV_BUFFER_TYPE_DATA
;
812 iov
[1].buffer
.value
= data
->data
;
813 iov
[1].buffer
.length
= data
->length
;
815 gss_maj
= gss_unwrap_iov(&gss_min
, gse_ctx
->gss_ctx
,
816 &sealed
, NULL
, iov
, 2);
818 DEBUG(0, ("gss_unwrap_iov failed with [%s]\n",
819 gse_errstr(talloc_tos(), gss_maj
, gss_min
)));
820 status
= NT_STATUS_ACCESS_DENIED
;
825 DEBUG(0, ("gss_unwrap_iov says data is not sealed!\n"));
826 status
= NT_STATUS_ACCESS_DENIED
;
830 status
= NT_STATUS_OK
;
832 DEBUG(10, ("Unsealed %d bytes, with %d bytes header/signature.\n",
833 (int)iov
[1].buffer
.length
, (int)iov
[0].buffer
.length
));
839 NTSTATUS
gse_sign(TALLOC_CTX
*mem_ctx
, struct gse_context
*gse_ctx
,
840 DATA_BLOB
*data
, DATA_BLOB
*signature
)
842 OM_uint32 gss_min
, gss_maj
;
843 gss_buffer_desc in_data
= { 0, NULL
};
844 gss_buffer_desc out_data
= { 0, NULL
};
847 in_data
.value
= data
->data
;
848 in_data
.length
= data
->length
;
850 gss_maj
= gss_get_mic(&gss_min
, gse_ctx
->gss_ctx
,
852 &in_data
, &out_data
);
854 DEBUG(0, ("gss_get_mic failed with [%s]\n",
855 gse_errstr(talloc_tos(), gss_maj
, gss_min
)));
856 status
= NT_STATUS_ACCESS_DENIED
;
860 *signature
= data_blob_talloc(mem_ctx
,
861 out_data
.value
, out_data
.length
);
862 if (!signature
->data
) {
863 status
= NT_STATUS_NO_MEMORY
;
867 status
= NT_STATUS_OK
;
870 if (out_data
.value
) {
871 gss_maj
= gss_release_buffer(&gss_min
, &out_data
);
876 NTSTATUS
gse_sigcheck(TALLOC_CTX
*mem_ctx
, struct gse_context
*gse_ctx
,
877 DATA_BLOB
*data
, DATA_BLOB
*signature
)
879 OM_uint32 gss_min
, gss_maj
;
880 gss_buffer_desc in_data
= { 0, NULL
};
881 gss_buffer_desc in_token
= { 0, NULL
};
884 in_data
.value
= data
->data
;
885 in_data
.length
= data
->length
;
886 in_token
.value
= signature
->data
;
887 in_token
.length
= signature
->length
;
889 gss_maj
= gss_verify_mic(&gss_min
, gse_ctx
->gss_ctx
,
890 &in_data
, &in_token
, NULL
);
892 DEBUG(0, ("gss_verify_mic failed with [%s]\n",
893 gse_errstr(talloc_tos(), gss_maj
, gss_min
)));
894 status
= NT_STATUS_ACCESS_DENIED
;
898 status
= NT_STATUS_OK
;
906 NTSTATUS
gse_init_client(TALLOC_CTX
*mem_ctx
,
907 bool do_sign
, bool do_seal
,
908 const char *ccache_name
,
911 const char *username
,
912 const char *password
,
913 uint32_t add_gss_c_flags
,
914 struct gse_context
**_gse_ctx
)
916 return NT_STATUS_NOT_IMPLEMENTED
;
919 NTSTATUS
gse_get_client_auth_token(TALLOC_CTX
*mem_ctx
,
920 struct gse_context
*gse_ctx
,
922 DATA_BLOB
*token_out
)
924 return NT_STATUS_NOT_IMPLEMENTED
;
927 NTSTATUS
gse_init_server(TALLOC_CTX
*mem_ctx
,
928 bool do_sign
, bool do_seal
,
929 uint32_t add_gss_c_flags
,
930 struct gse_context
**_gse_ctx
)
932 return NT_STATUS_NOT_IMPLEMENTED
;
935 NTSTATUS
gse_get_server_auth_token(TALLOC_CTX
*mem_ctx
,
936 struct gse_context
*gse_ctx
,
938 DATA_BLOB
*token_out
)
940 return NT_STATUS_NOT_IMPLEMENTED
;
943 NTSTATUS
gse_verify_server_auth_flags(struct gse_context
*gse_ctx
)
945 return NT_STATUS_NOT_IMPLEMENTED
;
948 bool gse_require_more_processing(struct gse_context
*gse_ctx
)
953 DATA_BLOB
gse_get_session_key(TALLOC_CTX
*mem_ctx
,
954 struct gse_context
*gse_ctx
)
956 return data_blob_null
;
959 NTSTATUS
gse_get_client_name(struct gse_context
*gse_ctx
,
960 TALLOC_CTX
*mem_ctx
, char **cli_name
)
962 return NT_STATUS_NOT_IMPLEMENTED
;
965 NTSTATUS
gse_get_authz_data(struct gse_context
*gse_ctx
,
966 TALLOC_CTX
*mem_ctx
, DATA_BLOB
*pac
)
968 return NT_STATUS_NOT_IMPLEMENTED
;
971 NTSTATUS
gse_get_pac_blob(struct gse_context
*gse_ctx
,
972 TALLOC_CTX
*mem_ctx
, DATA_BLOB
*pac_blob
)
974 return NT_STATUS_NOT_IMPLEMENTED
;
977 size_t gse_get_signature_length(struct gse_context
*gse_ctx
,
978 int seal
, size_t payload_size
)
983 NTSTATUS
gse_seal(TALLOC_CTX
*mem_ctx
, struct gse_context
*gse_ctx
,
984 DATA_BLOB
*data
, DATA_BLOB
*signature
)
986 return NT_STATUS_NOT_IMPLEMENTED
;
989 NTSTATUS
gse_unseal(TALLOC_CTX
*mem_ctx
, struct gse_context
*gse_ctx
,
990 DATA_BLOB
*data
, DATA_BLOB
*signature
)
992 return NT_STATUS_NOT_IMPLEMENTED
;
995 NTSTATUS
gse_sign(TALLOC_CTX
*mem_ctx
, struct gse_context
*gse_ctx
,
996 DATA_BLOB
*data
, DATA_BLOB
*signature
)
998 return NT_STATUS_NOT_IMPLEMENTED
;
1001 NTSTATUS
gse_sigcheck(TALLOC_CTX
*mem_ctx
, struct gse_context
*gse_ctx
,
1002 DATA_BLOB
*data
, DATA_BLOB
*signature
)
1004 return NT_STATUS_NOT_IMPLEMENTED
;
1007 #endif /* HAVE_KRB5 && HAVE_GSS_WRAP_IOV */