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 #include <gssapi/gssapi.h>
31 #include <gssapi/gssapi_krb5.h>
32 #ifdef HAVE_GSSAPI_GSSAPI_EXT_H
33 #include <gssapi/gssapi_ext.h>
36 #ifndef GSS_KRB5_INQ_SSPI_SESSION_KEY_OID
37 #define GSS_KRB5_INQ_SSPI_SESSION_KEY_OID_LENGTH 11
38 #define GSS_KRB5_INQ_SSPI_SESSION_KEY_OID "\x2a\x86\x48\x86\xf7\x12\x01\x02\x02\x05\x05"
41 gss_OID_desc gse_sesskey_inq_oid = {
42 GSS_KRB5_INQ_SSPI_SESSION_KEY_OID_LENGTH,
43 (void *)GSS_KRB5_INQ_SSPI_SESSION_KEY_OID
46 #ifndef GSS_KRB5_SESSION_KEY_ENCTYPE_OID
47 #define GSS_KRB5_SESSION_KEY_ENCTYPE_OID_LENGTH 10
48 #define GSS_KRB5_SESSION_KEY_ENCTYPE_OID "\x2a\x86\x48\x86\xf7\x12\x01\x02\x02\x04"
51 gss_OID_desc gse_sesskeytype_oid = {
52 GSS_KRB5_SESSION_KEY_ENCTYPE_OID_LENGTH,
53 (void *)GSS_KRB5_SESSION_KEY_ENCTYPE_OID
56 #define GSE_EXTRACT_RELEVANT_AUTHZ_DATA_OID_LENGTH 12
57 /* EXTRACTION OID AUTHZ ID */
58 #define GSE_EXTRACT_RELEVANT_AUTHZ_DATA_OID "\x2a\x86\x48\x86\xf7\x12\x01\x02\x02\x05\x0a" "\x01"
60 gss_OID_desc gse_authz_data_oid = {
61 GSE_EXTRACT_RELEVANT_AUTHZ_DATA_OID_LENGTH,
62 (void *)GSE_EXTRACT_RELEVANT_AUTHZ_DATA_OID
65 static char *gse_errstr(TALLOC_CTX *mem_ctx, OM_uint32 maj, OM_uint32 min);
74 gss_OID_desc gss_mech;
75 OM_uint32 gss_c_flags;
77 gss_name_t server_name;
81 gss_cred_id_t delegated_creds;
82 gss_name_t client_name;
88 #ifndef HAVE_GSS_OID_EQUAL
90 static bool gss_oid_equal(const gss_OID o1, const gss_OID o2)
95 if ((o1 == NULL && o2 != NULL) || (o1 != NULL && o2 == NULL)) {
98 if (o1->length != o2->length) {
101 return memcmp(o1->elements, o2->elements, o1->length) == false;
106 /* free non talloc dependent contexts */
107 static int gse_context_destructor(void *ptr)
109 struct gse_context *gse_ctx;
110 OM_uint32 gss_min, gss_maj;
112 gse_ctx = talloc_get_type_abort(ptr, struct gse_context);
113 if (gse_ctx->k5ctx) {
114 if (gse_ctx->ccache) {
115 krb5_cc_close(gse_ctx->k5ctx, gse_ctx->ccache);
116 gse_ctx->ccache = NULL;
118 if (gse_ctx->keytab) {
119 krb5_kt_close(gse_ctx->k5ctx, gse_ctx->keytab);
120 gse_ctx->keytab = NULL;
122 krb5_free_context(gse_ctx->k5ctx);
123 gse_ctx->k5ctx = NULL;
125 if (gse_ctx->gss_ctx != GSS_C_NO_CONTEXT) {
126 gss_maj = gss_delete_sec_context(&gss_min,
130 if (gse_ctx->server_name) {
131 gss_maj = gss_release_name(&gss_min,
132 &gse_ctx->server_name);
134 if (gse_ctx->client_name) {
135 gss_maj = gss_release_name(&gss_min,
136 &gse_ctx->client_name);
138 if (gse_ctx->creds) {
139 gss_maj = gss_release_cred(&gss_min,
142 if (gse_ctx->delegated_creds) {
143 gss_maj = gss_release_cred(&gss_min,
144 &gse_ctx->delegated_creds);
147 /* MIT and Heimdal differ as to if you can call
148 * gss_release_oid() on this OID, generated by
149 * gss_{accept,init}_sec_context(). However, as long as the
150 * oid is gss_mech_krb5 (which it always is at the moment),
151 * then this is a moot point, as both declare this particular
152 * OID static, and so no memory is lost. This assert is in
153 * place to ensure that the programmer who wishes to extend
154 * this code to EAP or other GSS mechanisms determines an
155 * implementation-dependent way of releasing any dynamically
157 SMB_ASSERT(gss_oid_equal(&gse_ctx->gss_mech, GSS_C_NO_OID) || gss_oid_equal(&gse_ctx->gss_mech, gss_mech_krb5));
162 static NTSTATUS gse_context_init(TALLOC_CTX *mem_ctx,
163 bool do_sign, bool do_seal,
164 const char *ccache_name,
165 uint32_t add_gss_c_flags,
166 struct gse_context **_gse_ctx)
168 struct gse_context *gse_ctx;
169 krb5_error_code k5ret;
172 gse_ctx = talloc_zero(mem_ctx, struct gse_context);
174 return NT_STATUS_NO_MEMORY;
176 talloc_set_destructor((TALLOC_CTX *)gse_ctx, gse_context_destructor);
178 memcpy(&gse_ctx->gss_mech, gss_mech_krb5, sizeof(gss_OID_desc));
180 gse_ctx->gss_c_flags = GSS_C_MUTUAL_FLAG |
182 GSS_C_DELEG_POLICY_FLAG |
186 gse_ctx->gss_c_flags |= GSS_C_INTEG_FLAG;
189 gse_ctx->gss_c_flags |= GSS_C_CONF_FLAG;
192 gse_ctx->gss_c_flags |= add_gss_c_flags;
194 /* Initialize Kerberos Context */
195 initialize_krb5_error_table();
197 k5ret = krb5_init_context(&gse_ctx->k5ctx);
199 DEBUG(0, ("Failed to initialize kerberos context! (%s)\n",
200 error_message(k5ret)));
201 status = NT_STATUS_INTERNAL_ERROR;
206 ccache_name = krb5_cc_default_name(gse_ctx->k5ctx);
208 k5ret = krb5_cc_resolve(gse_ctx->k5ctx, ccache_name,
211 DEBUG(1, ("Failed to resolve credential cache! (%s)\n",
212 error_message(k5ret)));
213 status = NT_STATUS_INTERNAL_ERROR;
217 /* TODO: Should we enforce a enc_types list ?
218 ret = krb5_set_default_tgs_ktypes(gse_ctx->k5ctx, enc_types);
225 TALLOC_FREE(gse_ctx);
229 NTSTATUS gse_init_client(TALLOC_CTX *mem_ctx,
230 bool do_sign, bool do_seal,
231 const char *ccache_name,
234 const char *username,
235 const char *password,
236 uint32_t add_gss_c_flags,
237 struct gse_context **_gse_ctx)
239 struct gse_context *gse_ctx;
240 OM_uint32 gss_maj, gss_min;
241 gss_buffer_desc name_buffer = {0, NULL};
242 gss_OID_set_desc mech_set;
245 if (!server || !service) {
246 return NT_STATUS_INVALID_PARAMETER;
249 status = gse_context_init(mem_ctx, do_sign, do_seal,
250 ccache_name, add_gss_c_flags,
252 if (!NT_STATUS_IS_OK(status)) {
253 return NT_STATUS_NO_MEMORY;
256 name_buffer.value = talloc_asprintf(gse_ctx,
257 "%s@%s", service, server);
258 if (!name_buffer.value) {
259 status = NT_STATUS_NO_MEMORY;
262 name_buffer.length = strlen((char *)name_buffer.value);
263 gss_maj = gss_import_name(&gss_min, &name_buffer,
264 GSS_C_NT_HOSTBASED_SERVICE,
265 &gse_ctx->server_name);
267 DEBUG(0, ("gss_import_name failed for %s, with [%s]\n",
268 (char *)name_buffer.value,
269 gse_errstr(gse_ctx, gss_maj, gss_min)));
270 status = NT_STATUS_INTERNAL_ERROR;
274 /* TODO: get krb5 ticket using username/password, if no valid
275 * one already available in ccache */
278 mech_set.elements = &gse_ctx->gss_mech;
280 gss_maj = gss_acquire_cred(&gss_min,
288 DEBUG(0, ("gss_acquire_creds failed for %s, with [%s]\n",
289 (char *)name_buffer.value,
290 gse_errstr(gse_ctx, gss_maj, gss_min)));
291 status = NT_STATUS_INTERNAL_ERROR;
296 TALLOC_FREE(name_buffer.value);
300 TALLOC_FREE(name_buffer.value);
301 TALLOC_FREE(gse_ctx);
305 NTSTATUS gse_get_client_auth_token(TALLOC_CTX *mem_ctx,
306 struct gse_context *gse_ctx,
308 DATA_BLOB *token_out)
310 OM_uint32 gss_maj, gss_min;
311 gss_buffer_desc in_data;
312 gss_buffer_desc out_data;
313 DATA_BLOB blob = data_blob_null;
316 in_data.value = token_in->data;
317 in_data.length = token_in->length;
319 gss_maj = gss_init_sec_context(&gss_min,
322 gse_ctx->server_name,
324 gse_ctx->gss_c_flags,
325 0, GSS_C_NO_CHANNEL_BINDINGS,
326 &in_data, NULL, &out_data,
330 /* we are done with it */
331 gse_ctx->more_processing = false;
332 status = NT_STATUS_OK;
334 case GSS_S_CONTINUE_NEEDED:
335 /* we will need a third leg */
336 gse_ctx->more_processing = true;
337 /* status = NT_STATUS_MORE_PROCESSING_REQUIRED; */
338 status = NT_STATUS_OK;
341 DEBUG(0, ("gss_init_sec_context failed with [%s]\n",
342 gse_errstr(talloc_tos(), gss_maj, gss_min)));
343 status = NT_STATUS_INTERNAL_ERROR;
347 blob = data_blob_talloc(mem_ctx, out_data.value, out_data.length);
349 status = NT_STATUS_NO_MEMORY;
352 gss_maj = gss_release_buffer(&gss_min, &out_data);
359 NTSTATUS gse_init_server(TALLOC_CTX *mem_ctx,
360 bool do_sign, bool do_seal,
361 uint32_t add_gss_c_flags,
362 struct gse_context **_gse_ctx)
364 struct gse_context *gse_ctx;
365 OM_uint32 gss_maj, gss_min;
369 gss_OID_set_desc mech_set;
371 status = gse_context_init(mem_ctx, do_sign, do_seal,
372 NULL, add_gss_c_flags, &gse_ctx);
373 if (!NT_STATUS_IS_OK(status)) {
374 return NT_STATUS_NO_MEMORY;
377 ret = gse_krb5_get_server_keytab(gse_ctx->k5ctx,
380 status = NT_STATUS_INTERNAL_ERROR;
384 #ifdef HAVE_GSS_KRB5_IMPORT_CRED
385 /* This creates a GSSAPI cred_id_t with the principal and keytab set */
386 gss_maj = gss_krb5_import_cred(&gss_min, NULL, NULL, gse_ctx->keytab,
389 DEBUG(0, ("gss_krb5_import_cred failed with [%s]\n",
390 gse_errstr(gse_ctx, gss_maj, gss_min)));
391 status = NT_STATUS_INTERNAL_ERROR;
396 * This call sets the default keytab for the whole server, not
397 * just for this context. Need to find a way that does not alter
398 * the state of the whole server ... */
400 ret = smb_krb5_keytab_name(gse_ctx, gse_ctx->k5ctx,
401 gse_ctx->keytab, &ktname);
403 status = NT_STATUS_INTERNAL_ERROR;
407 ret = gsskrb5_register_acceptor_identity(ktname);
409 status = NT_STATUS_INTERNAL_ERROR;
414 mech_set.elements = &gse_ctx->gss_mech;
416 gss_maj = gss_acquire_cred(&gss_min,
425 DEBUG(0, ("gss_acquire_creds failed with [%s]\n",
426 gse_errstr(gse_ctx, gss_maj, gss_min)));
427 status = NT_STATUS_INTERNAL_ERROR;
431 status = NT_STATUS_OK;
434 if (!NT_STATUS_IS_OK(status)) {
435 TALLOC_FREE(gse_ctx);
442 NTSTATUS gse_get_server_auth_token(TALLOC_CTX *mem_ctx,
443 struct gse_context *gse_ctx,
445 DATA_BLOB *token_out)
447 OM_uint32 gss_maj, gss_min;
448 gss_buffer_desc in_data;
449 gss_buffer_desc out_data;
450 DATA_BLOB blob = data_blob_null;
453 in_data.value = token_in->data;
454 in_data.length = token_in->length;
456 gss_maj = gss_accept_sec_context(&gss_min,
460 GSS_C_NO_CHANNEL_BINDINGS,
461 &gse_ctx->client_name,
464 &gse_ctx->ret_flags, NULL,
465 &gse_ctx->delegated_creds);
468 /* we are done with it */
469 gse_ctx->more_processing = false;
470 gse_ctx->authenticated = true;
471 status = NT_STATUS_OK;
473 case GSS_S_CONTINUE_NEEDED:
474 /* we will need a third leg */
475 gse_ctx->more_processing = true;
476 /* status = NT_STATUS_MORE_PROCESSING_REQUIRED; */
477 status = NT_STATUS_OK;
480 DEBUG(0, ("gss_init_sec_context failed with [%s]\n",
481 gse_errstr(talloc_tos(), gss_maj, gss_min)));
483 if (gse_ctx->gss_ctx) {
484 gss_delete_sec_context(&gss_min,
489 status = NT_STATUS_INTERNAL_ERROR;
493 /* we may be told to return nothing */
494 if (out_data.length) {
495 blob = data_blob_talloc(mem_ctx, out_data.value, out_data.length);
497 status = NT_STATUS_NO_MEMORY;
499 gss_maj = gss_release_buffer(&gss_min, &out_data);
508 NTSTATUS gse_verify_server_auth_flags(struct gse_context *gse_ctx)
510 if (!gse_ctx->authenticated) {
511 return NT_STATUS_INVALID_HANDLE;
514 if (memcmp(gse_ctx->ret_mech,
515 gss_mech_krb5, sizeof(gss_OID_desc)) != 0) {
516 return NT_STATUS_ACCESS_DENIED;
519 /* GSS_C_MUTUAL_FLAG */
520 if (gse_ctx->gss_c_flags & GSS_C_MUTUAL_FLAG) {
521 if (!(gse_ctx->ret_flags & GSS_C_MUTUAL_FLAG)) {
522 return NT_STATUS_ACCESS_DENIED;
526 /* GSS_C_DELEG_FLAG */
527 /* GSS_C_DELEG_POLICY_FLAG */
528 /* GSS_C_REPLAY_FLAG */
529 /* GSS_C_SEQUENCE_FLAG */
531 /* GSS_C_INTEG_FLAG */
532 if (gse_ctx->gss_c_flags & GSS_C_INTEG_FLAG) {
533 if (!(gse_ctx->ret_flags & GSS_C_INTEG_FLAG)) {
534 return NT_STATUS_ACCESS_DENIED;
538 /* GSS_C_CONF_FLAG */
539 if (gse_ctx->gss_c_flags & GSS_C_CONF_FLAG) {
540 if (!(gse_ctx->ret_flags & GSS_C_CONF_FLAG)) {
541 return NT_STATUS_ACCESS_DENIED;
548 static char *gse_errstr(TALLOC_CTX *mem_ctx, OM_uint32 maj, OM_uint32 min)
550 OM_uint32 gss_min, gss_maj;
551 gss_buffer_desc msg_min;
552 gss_buffer_desc msg_maj;
553 OM_uint32 msg_ctx = 0;
557 ZERO_STRUCT(msg_min);
558 ZERO_STRUCT(msg_maj);
560 gss_maj = gss_display_status(&gss_min, maj, GSS_C_GSS_CODE,
561 GSS_C_NO_OID, &msg_ctx, &msg_maj);
565 gss_maj = gss_display_status(&gss_min, min, GSS_C_MECH_CODE,
566 (gss_OID)discard_const(gss_mech_krb5),
572 errstr = talloc_strndup(mem_ctx,
573 (char *)msg_maj.value,
578 errstr = talloc_strdup_append_buffer(errstr, ": ");
582 errstr = talloc_strndup_append_buffer(errstr,
583 (char *)msg_min.value,
591 gss_maj = gss_release_buffer(&gss_min, &msg_min);
594 gss_maj = gss_release_buffer(&gss_min, &msg_maj);
599 bool gse_require_more_processing(struct gse_context *gse_ctx)
601 return gse_ctx->more_processing;
604 DATA_BLOB gse_get_session_key(TALLOC_CTX *mem_ctx,
605 struct gse_context *gse_ctx)
607 OM_uint32 gss_min, gss_maj;
608 gss_buffer_set_t set = GSS_C_NO_BUFFER_SET;
611 gss_maj = gss_inquire_sec_context_by_oid(
612 &gss_min, gse_ctx->gss_ctx,
613 &gse_sesskey_inq_oid, &set);
615 DEBUG(0, ("gss_inquire_sec_context_by_oid failed [%s]\n",
616 gse_errstr(talloc_tos(), gss_maj, gss_min)));
617 return data_blob_null;
620 if ((set == GSS_C_NO_BUFFER_SET) ||
622 (memcmp(set->elements[1].value,
623 gse_sesskeytype_oid.elements,
624 gse_sesskeytype_oid.length) != 0)) {
625 DEBUG(0, ("gss_inquire_sec_context_by_oid returned unknown "
626 "OID for data in results:\n"));
627 dump_data(1, (uint8_t *)set->elements[1].value,
628 set->elements[1].length);
629 return data_blob_null;
632 ret = data_blob_talloc(mem_ctx, set->elements[0].value,
633 set->elements[0].length);
635 gss_maj = gss_release_buffer_set(&gss_min, &set);
639 NTSTATUS gse_get_client_name(struct gse_context *gse_ctx,
640 TALLOC_CTX *mem_ctx, char **cli_name)
642 OM_uint32 gss_min, gss_maj;
643 gss_buffer_desc name_buffer;
645 if (!gse_ctx->authenticated) {
646 return NT_STATUS_ACCESS_DENIED;
649 if (!gse_ctx->client_name) {
650 return NT_STATUS_NOT_FOUND;
653 /* TODO: check OID matches KRB5 Principal Name OID ? */
655 gss_maj = gss_display_name(&gss_min,
656 gse_ctx->client_name,
659 DEBUG(0, ("gss_display_name failed [%s]\n",
660 gse_errstr(talloc_tos(), gss_maj, gss_min)));
661 return NT_STATUS_INTERNAL_ERROR;
664 *cli_name = talloc_strndup(talloc_tos(),
665 (char *)name_buffer.value,
668 gss_maj = gss_release_buffer(&gss_min, &name_buffer);
671 return NT_STATUS_NO_MEMORY;
677 NTSTATUS gse_get_authz_data(struct gse_context *gse_ctx,
678 TALLOC_CTX *mem_ctx, DATA_BLOB *pac)
680 OM_uint32 gss_min, gss_maj;
681 gss_buffer_set_t set = GSS_C_NO_BUFFER_SET;
683 if (!gse_ctx->authenticated) {
684 return NT_STATUS_ACCESS_DENIED;
687 gss_maj = gss_inquire_sec_context_by_oid(
688 &gss_min, gse_ctx->gss_ctx,
689 &gse_authz_data_oid, &set);
691 DEBUG(0, ("gss_inquire_sec_context_by_oid failed [%s]\n",
692 gse_errstr(talloc_tos(), gss_maj, gss_min)));
693 return NT_STATUS_NOT_FOUND;
696 if (set == GSS_C_NO_BUFFER_SET) {
697 DEBUG(0, ("gss_inquire_sec_context_by_oid returned unknown "
698 "data in results.\n"));
699 return NT_STATUS_INTERNAL_ERROR;
702 /* for now we just hope it is the first value */
703 *pac = data_blob_talloc(mem_ctx,
704 set->elements[0].value,
705 set->elements[0].length);
707 gss_maj = gss_release_buffer_set(&gss_min, &set);
712 NTSTATUS gse_get_pac_blob(struct gse_context *gse_ctx,
713 TALLOC_CTX *mem_ctx, DATA_BLOB *pac_blob)
715 if (!gse_ctx->authenticated) {
716 return NT_STATUS_ACCESS_DENIED;
719 return gssapi_obtain_pac_blob(mem_ctx, gse_ctx->gss_ctx,
720 gse_ctx->client_name, pac_blob);
723 size_t gse_get_signature_length(struct gse_context *gse_ctx,
724 int seal, size_t payload_size)
726 OM_uint32 gss_min, gss_maj;
727 gss_iov_buffer_desc iov[2];
728 uint8_t fakebuf[payload_size];
731 iov[0].type = GSS_IOV_BUFFER_TYPE_HEADER;
732 iov[0].buffer.value = NULL;
733 iov[0].buffer.length = 0;
734 iov[1].type = GSS_IOV_BUFFER_TYPE_DATA;
735 iov[1].buffer.value = fakebuf;
736 iov[1].buffer.length = payload_size;
738 gss_maj = gss_wrap_iov_length(&gss_min, gse_ctx->gss_ctx,
739 seal, GSS_C_QOP_DEFAULT,
742 DEBUG(0, ("gss_wrap_iov_length failed with [%s]\n",
743 gse_errstr(talloc_tos(), gss_maj, gss_min)));
747 return iov[0].buffer.length;
750 NTSTATUS gse_seal(TALLOC_CTX *mem_ctx, struct gse_context *gse_ctx,
751 DATA_BLOB *data, DATA_BLOB *signature)
753 OM_uint32 gss_min, gss_maj;
754 gss_iov_buffer_desc iov[2];
755 int req_seal = 1; /* setting to 1 means we request sign+seal */
759 /* allocate the memory ourselves so we do not need to talloc_memdup */
760 signature->length = gse_get_signature_length(gse_ctx, 1, data->length);
761 if (!signature->length) {
762 return NT_STATUS_INTERNAL_ERROR;
764 signature->data = (uint8_t *)talloc_size(mem_ctx, signature->length);
765 if (!signature->data) {
766 return NT_STATUS_NO_MEMORY;
768 iov[0].type = GSS_IOV_BUFFER_TYPE_HEADER;
769 iov[0].buffer.value = signature->data;
770 iov[0].buffer.length = signature->length;
772 /* data is encrypted in place, which is ok */
773 iov[1].type = GSS_IOV_BUFFER_TYPE_DATA;
774 iov[1].buffer.value = data->data;
775 iov[1].buffer.length = data->length;
777 gss_maj = gss_wrap_iov(&gss_min, gse_ctx->gss_ctx,
778 req_seal, GSS_C_QOP_DEFAULT,
781 DEBUG(0, ("gss_wrap_iov failed with [%s]\n",
782 gse_errstr(talloc_tos(), gss_maj, gss_min)));
783 status = NT_STATUS_ACCESS_DENIED;
788 DEBUG(0, ("gss_wrap_iov says data was not sealed!\n"));
789 status = NT_STATUS_ACCESS_DENIED;
793 status = NT_STATUS_OK;
795 DEBUG(10, ("Sealed %d bytes, and got %d bytes header/signature.\n",
796 (int)iov[1].buffer.length, (int)iov[0].buffer.length));
802 NTSTATUS gse_unseal(TALLOC_CTX *mem_ctx, struct gse_context *gse_ctx,
803 DATA_BLOB *data, DATA_BLOB *signature)
805 OM_uint32 gss_min, gss_maj;
806 gss_iov_buffer_desc iov[2];
810 iov[0].type = GSS_IOV_BUFFER_TYPE_HEADER;
811 iov[0].buffer.value = signature->data;
812 iov[0].buffer.length = signature->length;
814 /* data is decrypted in place, which is ok */
815 iov[1].type = GSS_IOV_BUFFER_TYPE_DATA;
816 iov[1].buffer.value = data->data;
817 iov[1].buffer.length = data->length;
819 gss_maj = gss_unwrap_iov(&gss_min, gse_ctx->gss_ctx,
820 &sealed, NULL, iov, 2);
822 DEBUG(0, ("gss_unwrap_iov failed with [%s]\n",
823 gse_errstr(talloc_tos(), gss_maj, gss_min)));
824 status = NT_STATUS_ACCESS_DENIED;
829 DEBUG(0, ("gss_unwrap_iov says data is not sealed!\n"));
830 status = NT_STATUS_ACCESS_DENIED;
834 status = NT_STATUS_OK;
836 DEBUG(10, ("Unsealed %d bytes, with %d bytes header/signature.\n",
837 (int)iov[1].buffer.length, (int)iov[0].buffer.length));
843 NTSTATUS gse_sign(TALLOC_CTX *mem_ctx, struct gse_context *gse_ctx,
844 DATA_BLOB *data, DATA_BLOB *signature)
846 OM_uint32 gss_min, gss_maj;
847 gss_buffer_desc in_data = { 0, NULL };
848 gss_buffer_desc out_data = { 0, NULL};
851 in_data.value = data->data;
852 in_data.length = data->length;
854 gss_maj = gss_get_mic(&gss_min, gse_ctx->gss_ctx,
856 &in_data, &out_data);
858 DEBUG(0, ("gss_get_mic failed with [%s]\n",
859 gse_errstr(talloc_tos(), gss_maj, gss_min)));
860 status = NT_STATUS_ACCESS_DENIED;
864 *signature = data_blob_talloc(mem_ctx,
865 out_data.value, out_data.length);
866 if (!signature->data) {
867 status = NT_STATUS_NO_MEMORY;
871 status = NT_STATUS_OK;
874 if (out_data.value) {
875 gss_maj = gss_release_buffer(&gss_min, &out_data);
880 NTSTATUS gse_sigcheck(TALLOC_CTX *mem_ctx, struct gse_context *gse_ctx,
881 DATA_BLOB *data, DATA_BLOB *signature)
883 OM_uint32 gss_min, gss_maj;
884 gss_buffer_desc in_data = { 0, NULL };
885 gss_buffer_desc in_token = { 0, NULL};
888 in_data.value = data->data;
889 in_data.length = data->length;
890 in_token.value = signature->data;
891 in_token.length = signature->length;
893 gss_maj = gss_verify_mic(&gss_min, gse_ctx->gss_ctx,
894 &in_data, &in_token, NULL);
896 DEBUG(0, ("gss_verify_mic failed with [%s]\n",
897 gse_errstr(talloc_tos(), gss_maj, gss_min)));
898 status = NT_STATUS_ACCESS_DENIED;
902 status = NT_STATUS_OK;
910 NTSTATUS gse_init_client(TALLOC_CTX *mem_ctx,
911 bool do_sign, bool do_seal,
912 const char *ccache_name,
915 const char *username,
916 const char *password,
917 uint32_t add_gss_c_flags,
918 struct gse_context **_gse_ctx)
920 return NT_STATUS_NOT_IMPLEMENTED;
923 NTSTATUS gse_get_client_auth_token(TALLOC_CTX *mem_ctx,
924 struct gse_context *gse_ctx,
926 DATA_BLOB *token_out)
928 return NT_STATUS_NOT_IMPLEMENTED;
931 NTSTATUS gse_init_server(TALLOC_CTX *mem_ctx,
932 bool do_sign, bool do_seal,
933 uint32_t add_gss_c_flags,
934 struct gse_context **_gse_ctx)
936 return NT_STATUS_NOT_IMPLEMENTED;
939 NTSTATUS gse_get_server_auth_token(TALLOC_CTX *mem_ctx,
940 struct gse_context *gse_ctx,
942 DATA_BLOB *token_out)
944 return NT_STATUS_NOT_IMPLEMENTED;
947 NTSTATUS gse_verify_server_auth_flags(struct gse_context *gse_ctx)
949 return NT_STATUS_NOT_IMPLEMENTED;
952 bool gse_require_more_processing(struct gse_context *gse_ctx)
957 DATA_BLOB gse_get_session_key(TALLOC_CTX *mem_ctx,
958 struct gse_context *gse_ctx)
960 return data_blob_null;
963 NTSTATUS gse_get_client_name(struct gse_context *gse_ctx,
964 TALLOC_CTX *mem_ctx, char **cli_name)
966 return NT_STATUS_NOT_IMPLEMENTED;
969 NTSTATUS gse_get_authz_data(struct gse_context *gse_ctx,
970 TALLOC_CTX *mem_ctx, DATA_BLOB *pac)
972 return NT_STATUS_NOT_IMPLEMENTED;
975 NTSTATUS gse_get_pac_blob(struct gse_context *gse_ctx,
976 TALLOC_CTX *mem_ctx, DATA_BLOB *pac_blob)
978 return NT_STATUS_NOT_IMPLEMENTED;
981 size_t gse_get_signature_length(struct gse_context *gse_ctx,
982 int seal, size_t payload_size)
987 NTSTATUS gse_seal(TALLOC_CTX *mem_ctx, struct gse_context *gse_ctx,
988 DATA_BLOB *data, DATA_BLOB *signature)
990 return NT_STATUS_NOT_IMPLEMENTED;
993 NTSTATUS gse_unseal(TALLOC_CTX *mem_ctx, struct gse_context *gse_ctx,
994 DATA_BLOB *data, DATA_BLOB *signature)
996 return NT_STATUS_NOT_IMPLEMENTED;
999 NTSTATUS gse_sign(TALLOC_CTX *mem_ctx, struct gse_context *gse_ctx,
1000 DATA_BLOB *data, DATA_BLOB *signature)
1002 return NT_STATUS_NOT_IMPLEMENTED;
1005 NTSTATUS gse_sigcheck(TALLOC_CTX *mem_ctx, struct gse_context *gse_ctx,
1006 DATA_BLOB *data, DATA_BLOB *signature)
1008 return NT_STATUS_NOT_IMPLEMENTED;
1011 #endif /* HAVE_KRB5 && HAVE_GSS_WRAP_IOV */