2 Unix SMB/CIFS implementation.
4 Kerberos backend for GENSEC
6 Copyright (C) Andrew Bartlett <abartlet@samba.org> 2004
7 Copyright (C) Andrew Tridgell 2001
8 Copyright (C) Luke Howard 2002-2003
10 This program is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 2 of the License, or
13 (at your option) any later version.
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
21 You should have received a copy of the GNU General Public License
22 along with this program; if not, write to the Free Software
23 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
27 #include "system/kerberos.h"
28 #include "libcli/auth/kerberos.h"
29 #include "librpc/gen_ndr/ndr_krb5pac.h"
30 #include "auth/auth.h"
34 #define DBGC_CLASS DBGC_AUTH
36 enum GENSEC_KRB5_STATE {
37 GENSEC_KRB5_SERVER_START,
38 GENSEC_KRB5_CLIENT_START,
39 GENSEC_KRB5_CLIENT_MUTUAL_AUTH,
43 struct gensec_krb5_state {
44 DATA_BLOB session_key;
45 struct PAC_LOGON_INFO *logon_info;
46 enum GENSEC_KRB5_STATE state_position;
47 krb5_context krb5_context;
48 krb5_auth_context krb5_auth_context;
49 krb5_ccache krb5_ccache;
51 krb5_keyblock krb5_keyblock;
55 #ifdef KRB5_DO_VERIFY_PAC
56 static NTSTATUS gensec_krb5_pac_checksum(DATA_BLOB pac_data,
57 struct PAC_SIGNATURE_DATA *sig,
58 struct gensec_krb5_state *gensec_krb5_state,
66 cksum.cksumtype = (CKSUMTYPE)sig->type;
67 cksum.checksum.length = sizeof(sig->signature);
68 cksum.checksum.data = sig->signature;
71 ret = krb5_crypto_init(gensec_krb5_state->krb5_context,
72 &gensec_krb5_state->krb5_keyblock,
76 DEBUG(0,("krb5_crypto_init() failed\n"));
77 return NT_STATUS_FOOBAR;
79 for (i=0; i < 40; i++) {
81 ret = krb5_verify_checksum(gensec_krb5_state->krb5_context,
88 DEBUG(0,("PAC Verified: keyusage: %d\n", keyusage));
92 krb5_crypto_destroy(gensec_krb5_state->krb5_context, crypto);
95 DEBUG(0,("NOT verifying PAC checksums yet!\n"));
96 //return NT_STATUS_LOGON_FAILURE;
98 DEBUG(0,("PAC checksums verified!\n"));
105 static NTSTATUS gensec_krb5_decode_pac(TALLOC_CTX *mem_ctx,
106 struct PAC_LOGON_INFO **logon_info_out,
108 struct gensec_krb5_state *gensec_krb5_state)
111 struct PAC_SIGNATURE_DATA srv_sig;
112 struct PAC_SIGNATURE_DATA *srv_sig_ptr;
113 struct PAC_SIGNATURE_DATA kdc_sig;
114 struct PAC_SIGNATURE_DATA *kdc_sig_ptr;
115 struct PAC_LOGON_INFO *logon_info = NULL;
116 struct PAC_DATA pac_data;
117 #ifdef KRB5_DO_VERIFY_PAC
118 DATA_BLOB tmp_blob = data_blob(NULL, 0);
122 status = ndr_pull_struct_blob(&blob, mem_ctx, &pac_data,
123 (ndr_pull_flags_fn_t)ndr_pull_PAC_DATA);
124 if (!NT_STATUS_IS_OK(status)) {
125 DEBUG(0,("can't parse the PAC\n"));
128 NDR_PRINT_DEBUG(PAC_DATA, &pac_data);
130 if (pac_data.num_buffers < 3) {
131 /* we need logon_ingo, service_key and kdc_key */
132 DEBUG(0,("less than 3 PAC buffers\n"));
133 return NT_STATUS_FOOBAR;
136 for (i=0; i < pac_data.num_buffers; i++) {
137 switch (pac_data.buffers[i].type) {
138 case PAC_TYPE_LOGON_INFO:
139 if (!pac_data.buffers[i].info) {
142 logon_info = &pac_data.buffers[i].info->logon_info;
144 case PAC_TYPE_SRV_CHECKSUM:
145 if (!pac_data.buffers[i].info) {
148 srv_sig_ptr = &pac_data.buffers[i].info->srv_cksum;
149 srv_sig = pac_data.buffers[i].info->srv_cksum;
151 case PAC_TYPE_KDC_CHECKSUM:
152 if (!pac_data.buffers[i].info) {
155 kdc_sig_ptr = &pac_data.buffers[i].info->kdc_cksum;
156 kdc_sig = pac_data.buffers[i].info->kdc_cksum;
158 case PAC_TYPE_UNKNOWN_10:
166 DEBUG(0,("PAC no logon_info\n"));
167 return NT_STATUS_FOOBAR;
171 DEBUG(0,("PAC no srv_key\n"));
172 return NT_STATUS_FOOBAR;
176 DEBUG(0,("PAC no kdc_key\n"));
177 return NT_STATUS_FOOBAR;
179 #ifdef KRB5_DO_VERIFY_PAC
180 /* clear the kdc_key */
181 /* memset((void *)kdc_sig_ptr , '\0', sizeof(*kdc_sig_ptr));*/
183 status = ndr_push_struct_blob(&tmp_blob, mem_ctx, &pac_data,
184 (ndr_push_flags_fn_t)ndr_push_PAC_DATA);
185 if (!NT_STATUS_IS_OK(status)) {
188 status = ndr_pull_struct_blob(&tmp_blob, mem_ctx, &pac_data,
189 (ndr_pull_flags_fn_t)ndr_pull_PAC_DATA);
190 if (!NT_STATUS_IS_OK(status)) {
191 DEBUG(0,("can't parse the PAC\n"));
194 /*NDR_PRINT_DEBUG(PAC_DATA, &pac_data);*/
196 /* verify by kdc_key */
197 status = gensec_krb5_pac_checksum(tmp_blob, &kdc_sig, gensec_krb5_state, 0);
199 if (!NT_STATUS_IS_OK(status)) {
203 /* clear the service_key */
204 /* memset((void *)srv_sig_ptr , '\0', sizeof(*srv_sig_ptr));*/
206 status = ndr_push_struct_blob(&tmp_blob, mem_ctx, &pac_data,
207 (ndr_push_flags_fn_t)ndr_push_PAC_DATA);
208 if (!NT_STATUS_IS_OK(status)) {
211 status = ndr_pull_struct_blob(&tmp_blob, mem_ctx, &pac_data,
212 (ndr_pull_flags_fn_t)ndr_pull_PAC_DATA);
213 if (!NT_STATUS_IS_OK(status)) {
214 DEBUG(0,("can't parse the PAC\n"));
217 NDR_PRINT_DEBUG(PAC_DATA, &pac_data);
219 /* verify by servie_key */
220 status = gensec_krb5_pac_checksum(tmp_blob, &srv_sig, gensec_krb5_state, 0);
222 if (!NT_STATUS_IS_OK(status)) {
226 DEBUG(0,("account_name: %s [%s]\n",logon_info->account_name.string, logon_info->full_name.string));
227 *logon_info_out = logon_info;
232 static void gensec_krb5_end(struct gensec_security *gensec_security)
234 struct gensec_krb5_state *gensec_krb5_state = gensec_security->private_data;
236 if (gensec_krb5_state->ticket.length) {
237 /* Hmm, early heimdal dooesn't have this - correct call would be krb5_data_free */
238 #ifdef HAVE_KRB5_FREE_DATA_CONTENTS
239 krb5_free_data_contents(gensec_krb5_state->krb5_context, &gensec_krb5_state->ticket);
242 if (gensec_krb5_state->krb5_ccache) {
243 /* current heimdal - 0.6.3, which we need anyway, fixes segfaults here */
244 krb5_cc_close(gensec_krb5_state->krb5_context, gensec_krb5_state->krb5_ccache);
247 krb5_free_keyblock_contents(gensec_krb5_state->krb5_context,
248 &gensec_krb5_state->krb5_keyblock);
250 if (gensec_krb5_state->krb5_auth_context) {
251 krb5_auth_con_free(gensec_krb5_state->krb5_context,
252 gensec_krb5_state->krb5_auth_context);
255 if (gensec_krb5_state->krb5_context) {
256 krb5_free_context(gensec_krb5_state->krb5_context);
259 talloc_free(gensec_krb5_state);
260 gensec_security->private_data = NULL;
264 static NTSTATUS gensec_krb5_start(struct gensec_security *gensec_security)
266 struct gensec_krb5_state *gensec_krb5_state;
267 krb5_error_code ret = 0;
269 gensec_krb5_state = talloc_p(gensec_security, struct gensec_krb5_state);
270 if (!gensec_krb5_state) {
271 return NT_STATUS_NO_MEMORY;
274 gensec_security->private_data = gensec_krb5_state;
276 initialize_krb5_error_table();
277 gensec_krb5_state->krb5_context = NULL;
278 gensec_krb5_state->krb5_auth_context = NULL;
279 gensec_krb5_state->krb5_ccache = NULL;
280 ZERO_STRUCT(gensec_krb5_state->ticket);
281 ZERO_STRUCT(gensec_krb5_state->krb5_keyblock);
282 gensec_krb5_state->session_key = data_blob(NULL, 0);
284 ret = krb5_init_context(&gensec_krb5_state->krb5_context);
286 DEBUG(1,("gensec_krb5_start: krb5_init_context failed (%s)\n", error_message(ret)));
287 return NT_STATUS_INTERNAL_ERROR;
290 if (lp_realm() && *lp_realm()) {
291 ret = krb5_set_default_realm(gensec_krb5_state->krb5_context, lp_realm());
293 DEBUG(1,("gensec_krb5_start: krb5_set_default_realm failed (%s)\n", error_message(ret)));
294 return NT_STATUS_INTERNAL_ERROR;
298 ret = krb5_auth_con_init(gensec_krb5_state->krb5_context, &gensec_krb5_state->krb5_auth_context);
300 DEBUG(1,("gensec_krb5_start: krb5_auth_con_init failed (%s)\n", error_message(ret)));
301 return NT_STATUS_INTERNAL_ERROR;
307 static NTSTATUS gensec_krb5_server_start(struct gensec_security *gensec_security)
310 struct gensec_krb5_state *gensec_krb5_state;
312 nt_status = gensec_krb5_start(gensec_security);
313 if (!NT_STATUS_IS_OK(nt_status)) {
317 gensec_krb5_state = gensec_security->private_data;
318 gensec_krb5_state->state_position = GENSEC_KRB5_SERVER_START;
323 static NTSTATUS gensec_krb5_client_start(struct gensec_security *gensec_security)
325 struct gensec_krb5_state *gensec_krb5_state;
329 nt_status = gensec_krb5_start(gensec_security);
330 if (!NT_STATUS_IS_OK(nt_status)) {
334 gensec_krb5_state = gensec_security->private_data;
335 gensec_krb5_state->state_position = GENSEC_KRB5_CLIENT_START;
337 /* TODO: This is effecivly a static/global variable... */
338 ret = krb5_cc_default(gensec_krb5_state->krb5_context, &gensec_krb5_state->krb5_ccache);
340 DEBUG(1,("krb5_cc_default failed (%s)\n",
341 error_message(ret)));
342 return NT_STATUS_INTERNAL_ERROR;
346 if (gensec_security->target.principal) {
347 DEBUG(5, ("Finding ticket for target [%s]\n", gensec_security->target.principal));
348 ret = ads_krb5_mk_req(gensec_krb5_state->krb5_context,
349 &gensec_krb5_state->krb5_auth_context,
350 AP_OPTS_USE_SUBKEY | AP_OPTS_MUTUAL_REQUIRED,
351 gensec_security->target.principal,
352 gensec_krb5_state->krb5_ccache,
353 &gensec_krb5_state->ticket);
355 DEBUG(1,("ads_krb5_mk_req failed (%s)\n",
356 error_message(ret)));
360 const char *hostname = gensec_get_target_hostname(gensec_security);
362 DEBUG(1, ("Could not determine hostname for target computer, cannot use kerberos\n"));
363 return NT_STATUS_ACCESS_DENIED;
368 ret = krb5_mk_req(gensec_krb5_state->krb5_context,
369 &gensec_krb5_state->krb5_auth_context,
370 AP_OPTS_USE_SUBKEY | AP_OPTS_MUTUAL_REQUIRED,
371 gensec_get_target_service(gensec_security),
373 &in_data, gensec_krb5_state->krb5_ccache,
374 &gensec_krb5_state->ticket);
376 DEBUG(1,("krb5_mk_req failed (%s)\n",
377 error_message(ret)));
384 case KRB5KDC_ERR_S_PRINCIPAL_UNKNOWN:
385 DEBUG(3, ("Server is not registered with our KDC: %s\n",
386 error_message(ret)));
387 return NT_STATUS_ACCESS_DENIED;
388 case KRB5KDC_ERR_PREAUTH_FAILED:
389 case KRB5KRB_AP_ERR_TKT_EXPIRED:
392 DEBUG(3, ("kerberos: %s\n",
393 error_message(ret)));
394 /* fall down to remaining code */
396 /* just don't print a message for these really ordinary messages */
397 case KRB5_FCC_NOFILE:
398 case KRB5_CC_NOTFOUND:
402 nt_status = gensec_get_password(gensec_security,
405 if (!NT_STATUS_IS_OK(nt_status)) {
409 ret = kerberos_kinit_password_cc(gensec_krb5_state->krb5_context, gensec_krb5_state->krb5_ccache,
410 gensec_get_client_principal(gensec_security, gensec_security),
411 password, NULL, &kdc_time);
413 /* cope with ticket being in the future due to clock skew */
414 if ((unsigned)kdc_time > time(NULL)) {
415 time_t t = time(NULL);
416 int time_offset =(unsigned)kdc_time-t;
417 DEBUG(4,("Advancing clock by %d seconds to cope with clock skew\n", time_offset));
418 krb5_set_real_time(gensec_krb5_state->krb5_context, t + time_offset + 1, 0);
422 DEBUG(1,("kinit failed (%s)\n",
423 error_message(ret)));
424 return NT_STATUS_WRONG_PASSWORD;
429 DEBUG(0, ("kerberos: %s\n",
430 error_message(ret)));
431 return NT_STATUS_UNSUCCESSFUL;
438 * Next state function for the Krb5 GENSEC mechanism
440 * @param gensec_krb5_state KRB5 State
441 * @param out_mem_ctx The TALLOC_CTX for *out to be allocated on
442 * @param in The request, as a DATA_BLOB
443 * @param out The reply, as an talloc()ed DATA_BLOB, on *out_mem_ctx
444 * @return Error, MORE_PROCESSING_REQUIRED if a reply is sent,
445 * or NT_STATUS_OK if the user is authenticated.
448 static NTSTATUS gensec_krb5_update(struct gensec_security *gensec_security, TALLOC_CTX *out_mem_ctx,
449 const DATA_BLOB in, DATA_BLOB *out)
451 struct gensec_krb5_state *gensec_krb5_state = gensec_security->private_data;
452 krb5_error_code ret = 0;
456 switch (gensec_krb5_state->state_position) {
457 case GENSEC_KRB5_CLIENT_START:
460 DEBUG(1,("ads_krb5_mk_req (request ticket) failed (%s)\n",
461 error_message(ret)));
462 nt_status = NT_STATUS_LOGON_FAILURE;
464 DATA_BLOB unwrapped_out;
466 #ifndef GENSEC_SEND_UNWRAPPED_KRB5 /* This should be a switch for the torture code to set */
467 unwrapped_out = data_blob_talloc(out_mem_ctx, gensec_krb5_state->ticket.data, gensec_krb5_state->ticket.length);
469 /* wrap that up in a nice GSS-API wrapping */
470 *out = gensec_gssapi_gen_krb5_wrap(out_mem_ctx, &unwrapped_out, TOK_ID_KRB_AP_REQ);
472 *out = data_blob_talloc(out_mem_ctx, gensec_krb5_state->ticket.data, gensec_krb5_state->ticket.length);
474 gensec_krb5_state->state_position = GENSEC_KRB5_CLIENT_MUTUAL_AUTH;
475 nt_status = NT_STATUS_MORE_PROCESSING_REQUIRED;
481 case GENSEC_KRB5_CLIENT_MUTUAL_AUTH:
484 krb5_ap_rep_enc_part *repl = NULL;
486 DATA_BLOB unwrapped_in;
488 if (!gensec_gssapi_parse_krb5_wrap(out_mem_ctx, &in, &unwrapped_in, tok_id)) {
489 DEBUG(1,("gensec_gssapi_parse_krb5_wrap(mutual authentication) failed to parse\n"));
490 dump_data_pw("Mutual authentication message:\n", in.data, in.length);
491 return NT_STATUS_INVALID_PARAMETER;
493 /* TODO: check the tok_id */
495 inbuf.data = unwrapped_in.data;
496 inbuf.length = unwrapped_in.length;
497 ret = krb5_rd_rep(gensec_krb5_state->krb5_context,
498 gensec_krb5_state->krb5_auth_context,
501 DEBUG(1,("krb5_rd_rep (mutual authentication) failed (%s)\n",
502 error_message(ret)));
503 dump_data_pw("Mutual authentication message:\n", inbuf.data, inbuf.length);
504 nt_status = NT_STATUS_ACCESS_DENIED;
506 *out = data_blob(NULL, 0);
507 nt_status = NT_STATUS_OK;
508 gensec_krb5_state->state_position = GENSEC_KRB5_DONE;
511 krb5_free_ap_rep_enc_part(gensec_krb5_state->krb5_context, repl);
516 case GENSEC_KRB5_SERVER_START:
519 DATA_BLOB unwrapped_in;
520 DATA_BLOB unwrapped_out;
523 /* Parse the GSSAPI wrapping, if it's there... (win2k3 allows it to be omited) */
524 if (!gensec_gssapi_parse_krb5_wrap(out_mem_ctx, &in, &unwrapped_in, tok_id)) {
525 nt_status = ads_verify_ticket(out_mem_ctx,
526 gensec_krb5_state->krb5_context,
527 gensec_krb5_state->krb5_auth_context,
529 &principal, &pac, &unwrapped_out,
530 &gensec_krb5_state->krb5_keyblock);
532 /* TODO: check the tok_id */
533 nt_status = ads_verify_ticket(out_mem_ctx,
534 gensec_krb5_state->krb5_context,
535 gensec_krb5_state->krb5_auth_context,
536 lp_realm(), &unwrapped_in,
537 &principal, &pac, &unwrapped_out,
538 &gensec_krb5_state->krb5_keyblock);
541 if (!NT_STATUS_IS_OK(nt_status)) {
546 /* decode and verify the pac */
547 nt_status = gensec_krb5_decode_pac(gensec_krb5_state, &gensec_krb5_state->logon_info, pac,
550 /* NULL PAC, we might need to figure this information out the hard way */
551 gensec_krb5_state->logon_info = NULL;
554 if (NT_STATUS_IS_OK(nt_status)) {
555 gensec_krb5_state->state_position = GENSEC_KRB5_DONE;
556 /* wrap that up in a nice GSS-API wrapping */
557 *out = gensec_gssapi_gen_krb5_wrap(out_mem_ctx, &unwrapped_out, TOK_ID_KRB_AP_REP);
559 gensec_krb5_state->peer_principal = talloc_steal(gensec_krb5_state, principal);
563 case GENSEC_KRB5_DONE:
567 return NT_STATUS_INVALID_PARAMETER;
570 static NTSTATUS gensec_krb5_session_key(struct gensec_security *gensec_security,
571 DATA_BLOB *session_key)
573 struct gensec_krb5_state *gensec_krb5_state = gensec_security->private_data;
574 krb5_context context = gensec_krb5_state->krb5_context;
575 krb5_auth_context auth_context = gensec_krb5_state->krb5_auth_context;
579 if (gensec_krb5_state->session_key.data) {
580 *session_key = gensec_krb5_state->session_key;
584 switch (gensec_security->gensec_role) {
586 err = krb5_auth_con_getlocalsubkey(context, auth_context, &skey);
589 err = krb5_auth_con_getremotesubkey(context, auth_context, &skey);
592 if (err == 0 && skey != NULL) {
593 DEBUG(10, ("Got KRB5 session key of length %d\n", KRB5_KEY_LENGTH(skey)));
594 gensec_krb5_state->session_key = data_blob_talloc(gensec_krb5_state,
595 KRB5_KEY_DATA(skey), KRB5_KEY_LENGTH(skey));
596 *session_key = gensec_krb5_state->session_key;
597 dump_data_pw("KRB5 Session Key:\n", session_key->data, session_key->length);
599 krb5_free_keyblock(context, skey);
602 DEBUG(10, ("KRB5 error getting session key %d\n", err));
603 return NT_STATUS_NO_USER_SESSION_KEY;
607 static NTSTATUS gensec_krb5_session_info(struct gensec_security *gensec_security,
608 struct auth_session_info **session_info_out)
611 struct gensec_krb5_state *gensec_krb5_state = gensec_security->private_data;
612 struct auth_serversupplied_info *server_info = NULL;
613 struct auth_session_info *session_info = NULL;
614 struct PAC_LOGON_INFO *logon_info = gensec_krb5_state->logon_info;
615 struct nt_user_token *ptoken;
619 const char *username;
622 *session_info_out = NULL;
624 /* IF we have the PAC - otherwise we need to get this
625 * data from elsewere - local ldb, or (TODO) lookup of some
628 principal = talloc_strdup(gensec_krb5_state, gensec_krb5_state->peer_principal);
629 p = strchr(principal, '@');
634 username = principal;
638 nt_status = make_server_info(gensec_krb5_state, &server_info, gensec_krb5_state->peer_principal);
639 if (!NT_STATUS_IS_OK(nt_status)) {
643 server_info->guest = False;
645 server_info->account_name = talloc_strdup(server_info, principal);
646 server_info->domain = talloc_strdup(server_info, realm);
647 if (!server_info->domain) {
648 free_server_info(&server_info);
649 return NT_STATUS_NO_MEMORY;
652 /* references the server_info into the session_info */
653 nt_status = make_session_info(gensec_krb5_state, server_info, &session_info);
654 if (!NT_STATUS_IS_OK(nt_status)) {
655 free_server_info(&server_info);
659 talloc_free(server_info);
661 ptoken = talloc_p(session_info, struct nt_user_token);
663 return NT_STATUS_NO_MEMORY;
666 ptoken->num_sids = 0;
668 ptoken->user_sids = talloc_array_p(ptoken, struct dom_sid*, logon_info->groups_count + 2);
669 if (!ptoken->user_sids) {
670 return NT_STATUS_NO_MEMORY;
674 sid = dom_sid_dup(server_info, logon_info->dom_sid);
675 server_info->user_sid = dom_sid_add_rid(server_info, sid, logon_info->user_rid);
676 sid = dom_sid_dup(server_info, logon_info->dom_sid);
677 server_info->primary_group_sid = dom_sid_add_rid(server_info, sid, logon_info->group_rid);
679 ptoken->user_sids[0] = talloc_reference(session_info, server_info->user_sid);
681 ptoken->user_sids[1] = talloc_reference(session_info, server_info->primary_group_sid);
684 for (;ptoken->num_sids < (logon_info->groups_count + 2); ptoken->num_sids++) {
685 sid = dom_sid_dup(session_info, logon_info->dom_sid);
686 ptoken->user_sids[ptoken->num_sids]
687 = dom_sid_add_rid(session_info, sid,
688 logon_info->groups[ptoken->num_sids - 2].rid);
691 debug_nt_user_token(DBGC_AUTH, 0, ptoken);
693 session_info->nt_user_token = ptoken;
695 TALLOC_CTX *mem_ctx = talloc_named(gensec_krb5_state, 0, "PAC-less session info discovery for %s@%s", username, realm);
697 return NT_STATUS_NO_MEMORY;
699 nt_status = sam_get_server_info(username, realm, gensec_krb5_state, &server_info);
700 if (!NT_STATUS_IS_OK(nt_status)) {
701 talloc_free(mem_ctx);
705 /* references the server_info into the session_info */
706 nt_status = make_session_info(gensec_krb5_state, server_info, &session_info);
707 if (!NT_STATUS_IS_OK(nt_status)) {
708 talloc_free(mem_ctx);
712 talloc_free(mem_ctx);
715 talloc_free(principal);
717 nt_status = gensec_krb5_session_key(gensec_security, &session_info->session_key);
719 session_info->workstation = NULL;
721 *session_info_out = session_info;
727 static const struct gensec_security_ops gensec_krb5_security_ops = {
729 .auth_type = DCERPC_AUTH_TYPE_KRB5,
730 .oid = OID_KERBEROS5,
731 .client_start = gensec_krb5_client_start,
732 .server_start = gensec_krb5_server_start,
733 .update = gensec_krb5_update,
734 .session_key = gensec_krb5_session_key,
735 .session_info = gensec_krb5_session_info,
736 .end = gensec_krb5_end
739 static const struct gensec_security_ops gensec_ms_krb5_security_ops = {
741 .auth_type = DCERPC_AUTH_TYPE_KRB5,
742 .oid = OID_KERBEROS5_OLD,
743 .client_start = gensec_krb5_client_start,
744 .server_start = gensec_krb5_server_start,
745 .update = gensec_krb5_update,
746 .session_key = gensec_krb5_session_key,
747 .session_info = gensec_krb5_session_info,
748 .end = gensec_krb5_end
752 NTSTATUS gensec_krb5_init(void)
756 ret = register_backend("gensec", &gensec_krb5_security_ops);
757 if (!NT_STATUS_IS_OK(ret)) {
758 DEBUG(0,("Failed to register '%s' gensec backend!\n",
759 gensec_krb5_security_ops.name));
763 ret = register_backend("gensec", &gensec_ms_krb5_security_ops);
764 if (!NT_STATUS_IS_OK(ret)) {
765 DEBUG(0,("Failed to register '%s' gensec backend!\n",
766 gensec_krb5_security_ops.name));