2 Unix SMB/CIFS implementation.
3 simple kerberos5 routines for active directory
4 Copyright (C) Andrew Tridgell 2001
5 Copyright (C) Luke Howard 2002-2003
6 Copyright (C) Andrew Bartlett <abartlet@samba.org> 2005
7 Copyright (C) Guenther Deschner 2005-2007
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 2 of the License, or
12 (at your option) any later version.
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
19 You should have received a copy of the GNU General Public License
20 along with this program; if not, write to the Free Software
21 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 #define KRB5_PRIVATE 1 /* this file uses PRIVATE interfaces! */
25 #define KRB5_DEPRECATED 1 /* this file uses DEPRECATED interfaces! */
31 #ifdef HAVE_KRB5_KEYBLOCK_KEYVALUE /* Heimdal */
32 #define KRB5_KEY_TYPE(k) ((k)->keytype)
33 #define KRB5_KEY_LENGTH(k) ((k)->keyvalue.length)
34 #define KRB5_KEY_DATA(k) ((k)->keyvalue.data)
36 #define KRB5_KEY_TYPE(k) ((k)->enctype)
37 #define KRB5_KEY_LENGTH(k) ((k)->length)
38 #define KRB5_KEY_DATA(k) ((k)->contents)
39 #endif /* HAVE_KRB5_KEYBLOCK_KEYVALUE */
41 /**************************************************************
42 Wrappers around kerberos string functions that convert from
43 utf8 -> unix charset and vica versa.
44 **************************************************************/
46 /**************************************************************
47 krb5_parse_name that takes a UNIX charset.
48 **************************************************************/
50 krb5_error_code smb_krb5_parse_name(krb5_context context,
51 const char *name, /* in unix charset */
52 krb5_principal *principal)
57 if (push_utf8_allocate(&utf8_name, name) == (size_t)-1) {
61 ret = krb5_parse_name(context, utf8_name, principal);
66 #ifdef HAVE_KRB5_PARSE_NAME_NOREALM
67 /**************************************************************
68 krb5_parse_name_norealm that takes a UNIX charset.
69 **************************************************************/
71 static krb5_error_code smb_krb5_parse_name_norealm_conv(krb5_context context,
72 const char *name, /* in unix charset */
73 krb5_principal *principal)
79 if (push_utf8_allocate(&utf8_name, name) == (size_t)-1) {
83 ret = krb5_parse_name_norealm(context, utf8_name, principal);
89 /**************************************************************
90 krb5_parse_name that returns a UNIX charset name. Must
91 be freed with normal free() call.
92 **************************************************************/
94 krb5_error_code smb_krb5_unparse_name(krb5_context context,
95 krb5_const_principal principal,
102 ret = krb5_unparse_name(context, principal, &utf8_name);
107 if (pull_utf8_allocate(unix_name, utf8_name)==-1) {
108 krb5_free_unparsed_name(context, utf8_name);
111 krb5_free_unparsed_name(context, utf8_name);
115 #ifndef HAVE_KRB5_SET_REAL_TIME
117 * This function is not in the Heimdal mainline.
119 krb5_error_code krb5_set_real_time(krb5_context context, int32_t seconds, int32_t microseconds)
124 ret = krb5_us_timeofday(context, &sec, &usec);
128 context->kdc_sec_offset = seconds - sec;
129 context->kdc_usec_offset = microseconds - usec;
135 #if !defined(HAVE_KRB5_SET_DEFAULT_TGS_KTYPES)
137 #if defined(HAVE_KRB5_SET_DEFAULT_TGS_ENCTYPES)
139 /* With MIT kerberos, we should use krb5_set_default_tgs_enctypes in preference
140 * to krb5_set_default_tgs_ktypes. See
141 * http://lists.samba.org/archive/samba-technical/2006-July/048271.html
143 * If the MIT libraries are not exporting internal symbols, we will end up in
144 * this branch, which is correct. Otherwise we will continue to use the
147 krb5_error_code krb5_set_default_tgs_ktypes(krb5_context ctx, const krb5_enctype *enc)
149 return krb5_set_default_tgs_enctypes(ctx, enc);
152 #elif defined(HAVE_KRB5_SET_DEFAULT_IN_TKT_ETYPES)
155 krb5_error_code krb5_set_default_tgs_ktypes(krb5_context ctx, const krb5_enctype *enc)
157 return krb5_set_default_in_tkt_etypes(ctx, enc);
160 #endif /* HAVE_KRB5_SET_DEFAULT_TGS_ENCTYPES */
162 #endif /* HAVE_KRB5_SET_DEFAULT_TGS_KTYPES */
164 #if defined(HAVE_ADDR_TYPE_IN_KRB5_ADDRESS)
166 void setup_kaddr( krb5_address *pkaddr, struct sockaddr *paddr)
168 pkaddr->addr_type = KRB5_ADDRESS_INET;
169 pkaddr->address.length = sizeof(((struct sockaddr_in *)paddr)->sin_addr);
170 pkaddr->address.data = (char *)&(((struct sockaddr_in *)paddr)->sin_addr);
172 #elif defined(HAVE_ADDRTYPE_IN_KRB5_ADDRESS)
174 void setup_kaddr( krb5_address *pkaddr, struct sockaddr *paddr)
176 pkaddr->addrtype = ADDRTYPE_INET;
177 pkaddr->length = sizeof(((struct sockaddr_in *)paddr)->sin_addr);
178 pkaddr->contents = (krb5_octet *)&(((struct sockaddr_in *)paddr)->sin_addr);
181 #error UNKNOWN_ADDRTYPE
184 #if defined(HAVE_KRB5_PRINCIPAL2SALT) && defined(HAVE_KRB5_USE_ENCTYPE) && defined(HAVE_KRB5_STRING_TO_KEY) && defined(HAVE_KRB5_ENCRYPT_BLOCK)
185 int create_kerberos_key_from_string_direct(krb5_context context,
186 krb5_principal host_princ,
189 krb5_enctype enctype)
193 krb5_encrypt_block eblock;
195 ret = krb5_principal2salt(context, host_princ, &salt);
197 DEBUG(1,("krb5_principal2salt failed (%s)\n", error_message(ret)));
200 krb5_use_enctype(context, &eblock, enctype);
201 ret = krb5_string_to_key(context, &eblock, key, password, &salt);
202 SAFE_FREE(salt.data);
205 #elif defined(HAVE_KRB5_GET_PW_SALT) && defined(HAVE_KRB5_STRING_TO_KEY_SALT)
206 int create_kerberos_key_from_string_direct(krb5_context context,
207 krb5_principal host_princ,
210 krb5_enctype enctype)
215 ret = krb5_get_pw_salt(context, host_princ, &salt);
217 DEBUG(1,("krb5_get_pw_salt failed (%s)\n", error_message(ret)));
221 ret = krb5_string_to_key_salt(context, enctype, (const char *)password->data, salt, key);
222 krb5_free_salt(context, salt);
226 #error UNKNOWN_CREATE_KEY_FUNCTIONS
229 int create_kerberos_key_from_string(krb5_context context,
230 krb5_principal host_princ,
233 krb5_enctype enctype)
235 krb5_principal salt_princ = NULL;
238 * Check if we've determined that the KDC is salting keys for this
239 * principal/enctype in a non-obvious way. If it is, try to match
242 salt_princ = kerberos_fetch_salt_princ_for_host_princ(context, host_princ, enctype);
243 ret = create_kerberos_key_from_string_direct(context, salt_princ ? salt_princ : host_princ, password, key, enctype);
245 krb5_free_principal(context, salt_princ);
250 #if defined(HAVE_KRB5_GET_PERMITTED_ENCTYPES)
251 krb5_error_code get_kerberos_allowed_etypes(krb5_context context,
252 krb5_enctype **enctypes)
254 return krb5_get_permitted_enctypes(context, enctypes);
256 #elif defined(HAVE_KRB5_GET_DEFAULT_IN_TKT_ETYPES)
257 krb5_error_code get_kerberos_allowed_etypes(krb5_context context,
258 krb5_enctype **enctypes)
260 return krb5_get_default_in_tkt_etypes(context, enctypes);
263 #error UNKNOWN_GET_ENCTYPES_FUNCTIONS
266 #if defined(HAVE_KRB5_AUTH_CON_SETKEY) && !defined(HAVE_KRB5_AUTH_CON_SETUSERUSERKEY)
267 krb5_error_code krb5_auth_con_setuseruserkey(krb5_context context,
268 krb5_auth_context auth_context,
269 krb5_keyblock *keyblock)
271 return krb5_auth_con_setkey(context, auth_context, keyblock);
275 BOOL unwrap_edata_ntstatus(TALLOC_CTX *mem_ctx,
277 DATA_BLOB *edata_out)
279 DATA_BLOB edata_contents;
283 if (!edata->length) {
287 asn1_load(&data, *edata);
288 asn1_start_tag(&data, ASN1_SEQUENCE(0));
289 asn1_start_tag(&data, ASN1_CONTEXT(1));
290 asn1_read_Integer(&data, &edata_type);
292 if (edata_type != KRB5_PADATA_PW_SALT) {
293 DEBUG(0,("edata is not of required type %d but of type %d\n",
294 KRB5_PADATA_PW_SALT, edata_type));
299 asn1_start_tag(&data, ASN1_CONTEXT(2));
300 asn1_read_OctetString(&data, &edata_contents);
306 *edata_out = data_blob_talloc(mem_ctx, edata_contents.data, edata_contents.length);
308 data_blob_free(&edata_contents);
314 BOOL unwrap_pac(TALLOC_CTX *mem_ctx, DATA_BLOB *auth_data, DATA_BLOB *unwrapped_pac_data)
316 DATA_BLOB pac_contents;
320 if (!auth_data->length) {
324 asn1_load(&data, *auth_data);
325 asn1_start_tag(&data, ASN1_SEQUENCE(0));
326 asn1_start_tag(&data, ASN1_SEQUENCE(0));
327 asn1_start_tag(&data, ASN1_CONTEXT(0));
328 asn1_read_Integer(&data, &data_type);
330 if (data_type != KRB5_AUTHDATA_WIN2K_PAC ) {
331 DEBUG(10,("authorization data is not a Windows PAC (type: %d)\n", data_type));
337 asn1_start_tag(&data, ASN1_CONTEXT(1));
338 asn1_read_OctetString(&data, &pac_contents);
344 *unwrapped_pac_data = data_blob_talloc(mem_ctx, pac_contents.data, pac_contents.length);
346 data_blob_free(&pac_contents);
351 BOOL get_auth_data_from_tkt(TALLOC_CTX *mem_ctx, DATA_BLOB *auth_data, krb5_ticket *tkt)
353 DATA_BLOB auth_data_wrapped;
354 BOOL got_auth_data_pac = False;
357 #if defined(HAVE_KRB5_TKT_ENC_PART2)
358 if (tkt->enc_part2 && tkt->enc_part2->authorization_data &&
359 tkt->enc_part2->authorization_data[0] &&
360 tkt->enc_part2->authorization_data[0]->length)
362 for (i = 0; tkt->enc_part2->authorization_data[i] != NULL; i++) {
364 if (tkt->enc_part2->authorization_data[i]->ad_type !=
365 KRB5_AUTHDATA_IF_RELEVANT) {
366 DEBUG(10,("get_auth_data_from_tkt: ad_type is %d\n",
367 tkt->enc_part2->authorization_data[i]->ad_type));
371 auth_data_wrapped = data_blob(tkt->enc_part2->authorization_data[i]->contents,
372 tkt->enc_part2->authorization_data[i]->length);
374 /* check if it is a PAC */
375 got_auth_data_pac = unwrap_pac(mem_ctx, &auth_data_wrapped, auth_data);
376 data_blob_free(&auth_data_wrapped);
378 if (!got_auth_data_pac) {
383 return got_auth_data_pac;
387 if (tkt->ticket.authorization_data &&
388 tkt->ticket.authorization_data->len)
390 for (i = 0; i < tkt->ticket.authorization_data->len; i++) {
392 if (tkt->ticket.authorization_data->val[i].ad_type !=
393 KRB5_AUTHDATA_IF_RELEVANT) {
394 DEBUG(10,("get_auth_data_from_tkt: ad_type is %d\n",
395 tkt->ticket.authorization_data->val[i].ad_type));
399 auth_data_wrapped = data_blob(tkt->ticket.authorization_data->val[i].ad_data.data,
400 tkt->ticket.authorization_data->val[i].ad_data.length);
402 /* check if it is a PAC */
403 got_auth_data_pac = unwrap_pac(mem_ctx, &auth_data_wrapped, auth_data);
404 data_blob_free(&auth_data_wrapped);
406 if (!got_auth_data_pac) {
411 return got_auth_data_pac;
417 krb5_const_principal get_principal_from_tkt(krb5_ticket *tkt)
419 #if defined(HAVE_KRB5_TKT_ENC_PART2)
420 return tkt->enc_part2->client;
426 #if !defined(HAVE_KRB5_LOCATE_KDC)
428 /* krb5_locate_kdc is an internal MIT symbol. MIT are not yet willing to commit
429 * to a public interface for this functionality, so we have to be able to live
430 * without it if the MIT libraries are hiding their internal symbols.
433 #if defined(KRB5_KRBHST_INIT)
435 krb5_error_code smb_krb5_locate_kdc(krb5_context ctx, const krb5_data *realm, struct sockaddr **addr_pp, int *naddrs, int get_masters)
437 krb5_krbhst_handle hnd;
438 krb5_krbhst_info *hinfo;
447 rc = krb5_krbhst_init(ctx, realm->data, KRB5_KRBHST_KDC, &hnd);
449 DEBUG(0, ("smb_krb5_locate_kdc: krb5_krbhst_init failed (%s)\n", error_message(rc)));
453 for ( num_kdcs = 0; (rc = krb5_krbhst_next(ctx, hnd, &hinfo) == 0); num_kdcs++)
456 krb5_krbhst_reset(ctx, hnd);
459 DEBUG(0, ("smb_krb5_locate_kdc: zero kdcs found !\n"));
460 krb5_krbhst_free(ctx, hnd);
464 sa = SMB_MALLOC_ARRAY( struct sockaddr, num_kdcs );
466 DEBUG(0, ("smb_krb5_locate_kdc: malloc failed\n"));
467 krb5_krbhst_free(ctx, hnd);
472 memset(sa, '\0', sizeof(struct sockaddr) * num_kdcs );
474 for (i = 0; i < num_kdcs && (rc = krb5_krbhst_next(ctx, hnd, &hinfo) == 0); i++) {
476 #if defined(HAVE_KRB5_KRBHST_GET_ADDRINFO)
477 rc = krb5_krbhst_get_addrinfo(ctx, hinfo, &ai);
479 DEBUG(0,("krb5_krbhst_get_addrinfo failed: %s\n", error_message(rc)));
483 if (hinfo->ai && hinfo->ai->ai_family == AF_INET)
484 memcpy(&sa[i], hinfo->ai->ai_addr, sizeof(struct sockaddr));
487 krb5_krbhst_free(ctx, hnd);
494 #else /* ! defined(KRB5_KRBHST_INIT) */
496 krb5_error_code smb_krb5_locate_kdc(krb5_context ctx, const krb5_data *realm,
497 struct sockaddr **addr_pp, int *naddrs, int get_masters)
499 DEBUG(0, ("unable to explicitly locate the KDC on this platform\n"));
500 return KRB5_KDC_UNREACH;
503 #endif /* KRB5_KRBHST_INIT */
505 #else /* ! HAVE_KRB5_LOCATE_KDC */
507 krb5_error_code smb_krb5_locate_kdc(krb5_context ctx, const krb5_data *realm,
508 struct sockaddr **addr_pp, int *naddrs, int get_masters)
510 return krb5_locate_kdc(ctx, realm, addr_pp, naddrs, get_masters);
513 #endif /* HAVE_KRB5_LOCATE_KDC */
515 #if !defined(HAVE_KRB5_FREE_UNPARSED_NAME)
516 void krb5_free_unparsed_name(krb5_context context, char *val)
522 void kerberos_free_data_contents(krb5_context context, krb5_data *pdata)
524 #if defined(HAVE_KRB5_FREE_DATA_CONTENTS)
526 krb5_free_data_contents(context, pdata);
529 SAFE_FREE(pdata->data);
533 void kerberos_set_creds_enctype(krb5_creds *pcreds, int enctype)
535 #if defined(HAVE_KRB5_KEYBLOCK_IN_CREDS)
536 KRB5_KEY_TYPE((&pcreds->keyblock)) = enctype;
537 #elif defined(HAVE_KRB5_SESSION_IN_CREDS)
538 KRB5_KEY_TYPE((&pcreds->session)) = enctype;
540 #error UNKNOWN_KEYBLOCK_MEMBER_IN_KRB5_CREDS_STRUCT
544 BOOL kerberos_compatible_enctypes(krb5_context context,
545 krb5_enctype enctype1,
546 krb5_enctype enctype2)
548 #if defined(HAVE_KRB5_C_ENCTYPE_COMPARE)
549 krb5_boolean similar = 0;
551 krb5_c_enctype_compare(context, enctype1, enctype2, &similar);
552 return similar ? True : False;
553 #elif defined(HAVE_KRB5_ENCTYPES_COMPATIBLE_KEYS)
554 return krb5_enctypes_compatible_keys(context, enctype1, enctype2) ? True : False;
558 static BOOL ads_cleanup_expired_creds(krb5_context context,
562 krb5_error_code retval;
563 const char *cc_type = krb5_cc_get_type(context, ccache);
565 DEBUG(3, ("ads_cleanup_expired_creds: Ticket in ccache[%s:%s] expiration %s\n",
566 cc_type, krb5_cc_get_name(context, ccache),
567 http_timestring(credsp->times.endtime)));
569 /* we will probably need new tickets if the current ones
570 will expire within 10 seconds.
572 if (credsp->times.endtime >= (time(NULL) + 10))
575 /* heimdal won't remove creds from a file ccache, and
576 perhaps we shouldn't anyway, since internally we
577 use memory ccaches, and a FILE one probably means that
578 we're using creds obtained outside of our exectuable
580 if (strequal(cc_type, "FILE")) {
581 DEBUG(5, ("ads_cleanup_expired_creds: We do not remove creds from a %s ccache\n", cc_type));
585 retval = krb5_cc_remove_cred(context, ccache, 0, credsp);
587 DEBUG(1, ("ads_cleanup_expired_creds: krb5_cc_remove_cred failed, err %s\n",
588 error_message(retval)));
589 /* If we have an error in this, we want to display it,
590 but continue as though we deleted it */
596 we can't use krb5_mk_req because w2k wants the service to be in a particular format
598 static krb5_error_code ads_krb5_mk_req(krb5_context context,
599 krb5_auth_context *auth_context,
600 const krb5_flags ap_req_options,
601 const char *principal,
606 krb5_error_code retval;
607 krb5_principal server;
611 BOOL creds_ready = False;
612 int i = 0, maxtries = 3;
614 retval = smb_krb5_parse_name(context, principal, &server);
616 DEBUG(1,("ads_krb5_mk_req: Failed to parse principal %s\n", principal));
620 /* obtain ticket & session key */
622 if ((retval = krb5_copy_principal(context, server, &creds.server))) {
623 DEBUG(1,("ads_krb5_mk_req: krb5_copy_principal failed (%s)\n",
624 error_message(retval)));
628 if ((retval = krb5_cc_get_principal(context, ccache, &creds.client))) {
629 /* This can commonly fail on smbd startup with no ticket in the cache.
630 * Report at higher level than 1. */
631 DEBUG(3,("ads_krb5_mk_req: krb5_cc_get_principal failed (%s)\n",
632 error_message(retval)));
636 while (!creds_ready && (i < maxtries)) {
638 if ((retval = krb5_get_credentials(context, 0, ccache,
640 DEBUG(1,("ads_krb5_mk_req: krb5_get_credentials failed for %s (%s)\n",
641 principal, error_message(retval)));
645 /* cope with ticket being in the future due to clock skew */
646 if ((unsigned)credsp->times.starttime > time(NULL)) {
647 time_t t = time(NULL);
648 int time_offset =(int)((unsigned)credsp->times.starttime-t);
649 DEBUG(4,("ads_krb5_mk_req: Advancing clock by %d seconds to cope with clock skew\n", time_offset));
650 krb5_set_real_time(context, t + time_offset + 1, 0);
653 if (!ads_cleanup_expired_creds(context, ccache, credsp)) {
660 DEBUG(10,("ads_krb5_mk_req: Ticket (%s) in ccache (%s:%s) is valid until: (%s - %u)\n",
661 principal, krb5_cc_get_type(context, ccache), krb5_cc_get_name(context, ccache),
662 http_timestring((unsigned)credsp->times.endtime),
663 (unsigned)credsp->times.endtime));
666 *expire_time = (time_t)credsp->times.endtime;
670 retval = krb5_mk_req_extended(context, auth_context, ap_req_options,
671 &in_data, credsp, outbuf);
673 DEBUG(1,("ads_krb5_mk_req: krb5_mk_req_extended failed (%s)\n",
674 error_message(retval)));
677 krb5_free_creds(context, credsp);
680 krb5_free_cred_contents(context, &creds);
683 krb5_free_principal(context, server);
689 get a kerberos5 ticket for the given service
691 int cli_krb5_get_ticket(const char *principal, time_t time_offset,
692 DATA_BLOB *ticket, DATA_BLOB *session_key_krb5,
693 uint32 extra_ap_opts, const char *ccname,
697 krb5_error_code retval;
699 krb5_context context = NULL;
700 krb5_ccache ccdef = NULL;
701 krb5_auth_context auth_context = NULL;
702 krb5_enctype enc_types[] = {
703 #ifdef ENCTYPE_ARCFOUR_HMAC
704 ENCTYPE_ARCFOUR_HMAC,
710 initialize_krb5_error_table();
711 retval = krb5_init_context(&context);
713 DEBUG(1,("cli_krb5_get_ticket: krb5_init_context failed (%s)\n",
714 error_message(retval)));
718 if (time_offset != 0) {
719 krb5_set_real_time(context, time(NULL) + time_offset, 0);
722 if ((retval = krb5_cc_resolve(context, ccname ?
723 ccname : krb5_cc_default_name(context), &ccdef))) {
724 DEBUG(1,("cli_krb5_get_ticket: krb5_cc_default failed (%s)\n",
725 error_message(retval)));
729 if ((retval = krb5_set_default_tgs_ktypes(context, enc_types))) {
730 DEBUG(1,("cli_krb5_get_ticket: krb5_set_default_tgs_ktypes failed (%s)\n",
731 error_message(retval)));
735 if ((retval = ads_krb5_mk_req(context,
737 AP_OPTS_USE_SUBKEY | (krb5_flags)extra_ap_opts,
744 get_krb5_smb_session_key(context, auth_context, session_key_krb5, False);
746 *ticket = data_blob(packet.data, packet.length);
748 kerberos_free_data_contents(context, &packet);
754 krb5_cc_close(context, ccdef);
756 krb5_auth_con_free(context, auth_context);
757 krb5_free_context(context);
763 BOOL get_krb5_smb_session_key(krb5_context context, krb5_auth_context auth_context, DATA_BLOB *session_key, BOOL remote)
770 err = krb5_auth_con_getremotesubkey(context, auth_context, &skey);
772 err = krb5_auth_con_getlocalsubkey(context, auth_context, &skey);
773 if (err == 0 && skey != NULL) {
774 DEBUG(10, ("Got KRB5 session key of length %d\n", (int)KRB5_KEY_LENGTH(skey)));
775 *session_key = data_blob(KRB5_KEY_DATA(skey), KRB5_KEY_LENGTH(skey));
776 dump_data_pw("KRB5 Session Key:\n", session_key->data, session_key->length);
780 krb5_free_keyblock(context, skey);
782 DEBUG(10, ("KRB5 error getting session key %d\n", err));
789 #if defined(HAVE_KRB5_PRINCIPAL_GET_COMP_STRING) && !defined(HAVE_KRB5_PRINC_COMPONENT)
790 const krb5_data *krb5_princ_component(krb5_context context, krb5_principal principal, int i );
792 const krb5_data *krb5_princ_component(krb5_context context, krb5_principal principal, int i )
794 static krb5_data kdata;
796 kdata.data = (char *)krb5_principal_get_comp_string(context, principal, i);
797 kdata.length = strlen((const char *)kdata.data);
802 krb5_error_code smb_krb5_kt_free_entry(krb5_context context, krb5_keytab_entry *kt_entry)
804 #if defined(HAVE_KRB5_KT_FREE_ENTRY)
805 return krb5_kt_free_entry(context, kt_entry);
806 #elif defined(HAVE_KRB5_FREE_KEYTAB_ENTRY_CONTENTS)
807 return krb5_free_keytab_entry_contents(context, kt_entry);
809 #error UNKNOWN_KT_FREE_FUNCTION
813 void smb_krb5_checksum_from_pac_sig(krb5_checksum *cksum,
814 PAC_SIGNATURE_DATA *sig)
816 #ifdef HAVE_CHECKSUM_IN_KRB5_CHECKSUM
817 cksum->cksumtype = (krb5_cksumtype)sig->type;
818 cksum->checksum.length = sig->signature.buf_len;
819 cksum->checksum.data = sig->signature.buffer;
821 cksum->checksum_type = (krb5_cksumtype)sig->type;
822 cksum->length = sig->signature.buf_len;
823 cksum->contents = sig->signature.buffer;
827 krb5_error_code smb_krb5_verify_checksum(krb5_context context,
828 krb5_keyblock *keyblock,
830 krb5_checksum *cksum,
836 /* verify the checksum */
838 /* welcome to the wonderful world of samba's kerberos abstraction layer:
840 * function heimdal 0.6.1rc3 heimdal 0.7 MIT krb 1.4.2
841 * -----------------------------------------------------------------------------
842 * krb5_c_verify_checksum - works works
843 * krb5_verify_checksum works (6 args) works (6 args) broken (7 args)
846 #if defined(HAVE_KRB5_C_VERIFY_CHECKSUM)
848 krb5_boolean checksum_valid = False;
851 input.data = (char *)data;
852 input.length = length;
854 ret = krb5_c_verify_checksum(context,
861 DEBUG(3,("smb_krb5_verify_checksum: krb5_c_verify_checksum() failed: %s\n",
862 error_message(ret)));
867 ret = KRB5KRB_AP_ERR_BAD_INTEGRITY;
870 #elif KRB5_VERIFY_CHECKSUM_ARGS == 6 && defined(HAVE_KRB5_CRYPTO_INIT) && defined(HAVE_KRB5_CRYPTO) && defined(HAVE_KRB5_CRYPTO_DESTROY)
872 /* Warning: MIT's krb5_verify_checksum cannot be used as it will use a key
873 * without enctype and it ignores any key_usage types - Guenther */
878 ret = krb5_crypto_init(context,
883 DEBUG(0,("smb_krb5_verify_checksum: krb5_crypto_init() failed: %s\n",
884 error_message(ret)));
888 ret = krb5_verify_checksum(context,
895 krb5_crypto_destroy(context, crypto);
899 #error UNKNOWN_KRB5_VERIFY_CHECKSUM_FUNCTION
905 time_t get_authtime_from_tkt(krb5_ticket *tkt)
907 #if defined(HAVE_KRB5_TKT_ENC_PART2)
908 return tkt->enc_part2->times.authtime;
910 return tkt->ticket.authtime;
914 #ifdef HAVE_KRB5_DECODE_AP_REQ /* Heimdal */
915 static int get_kvno_from_ap_req(krb5_ap_req *ap_req)
917 #ifdef HAVE_TICKET_POINTER_IN_KRB5_AP_REQ /* MIT */
918 if (ap_req->ticket->enc_part.kvno)
919 return ap_req->ticket->enc_part.kvno;
921 if (ap_req->ticket.enc_part.kvno)
922 return *ap_req->ticket.enc_part.kvno;
927 static krb5_enctype get_enctype_from_ap_req(krb5_ap_req *ap_req)
929 #ifdef HAVE_ETYPE_IN_ENCRYPTEDDATA /* Heimdal */
930 return ap_req->ticket.enc_part.etype;
932 return ap_req->ticket->enc_part.enctype;
935 #endif /* HAVE_KRB5_DECODE_AP_REQ */
937 static krb5_error_code
938 get_key_from_keytab(krb5_context context,
939 krb5_const_principal server,
940 krb5_enctype enctype,
942 krb5_keyblock **out_key)
944 krb5_keytab_entry entry;
949 /* We have to open a new keytab handle here, as MIT does
950 an implicit open/getnext/close on krb5_kt_get_entry. We
951 may be in the middle of a keytab enumeration when this is
954 ret = krb5_kt_default(context, &keytab);
956 DEBUG(0,("get_key_from_keytab: failed to open keytab: %s\n", error_message(ret)));
960 if ( DEBUGLEVEL >= 10 ) {
961 if (smb_krb5_unparse_name(context, server, &name) == 0) {
962 DEBUG(10,("get_key_from_keytab: will look for kvno %d, enctype %d and name: %s\n",
963 kvno, enctype, name));
968 ret = krb5_kt_get_entry(context,
976 DEBUG(0,("get_key_from_keytab: failed to retrieve key: %s\n", error_message(ret)));
980 #ifdef HAVE_KRB5_KEYTAB_ENTRY_KEYBLOCK /* Heimdal */
981 ret = krb5_copy_keyblock(context, &entry.keyblock, out_key);
982 #elif defined(HAVE_KRB5_KEYTAB_ENTRY_KEY) /* MIT */
983 ret = krb5_copy_keyblock(context, &entry.key, out_key);
985 #error UNKNOWN_KRB5_KEYTAB_ENTRY_FORMAT
989 DEBUG(0,("get_key_from_keytab: failed to copy key: %s\n", error_message(ret)));
993 smb_krb5_kt_free_entry(context, &entry);
996 krb5_kt_close(context, keytab);
1002 krb5_error_code smb_krb5_get_keyinfo_from_ap_req(krb5_context context,
1003 const krb5_data *inbuf,
1005 krb5_enctype *enctype)
1007 #ifdef HAVE_KRB5_DECODE_AP_REQ /* Heimdal */
1009 krb5_error_code ret;
1012 ret = krb5_decode_ap_req(context, inbuf, &ap_req);
1016 *kvno = get_kvno_from_ap_req(&ap_req);
1017 *enctype = get_enctype_from_ap_req(&ap_req);
1019 free_AP_REQ(&ap_req);
1024 /* Possibly not an appropriate error code. */
1025 return KRB5KDC_ERR_BADOPTION;
1028 krb5_error_code krb5_rd_req_return_keyblock_from_keytab(krb5_context context,
1029 krb5_auth_context *auth_context,
1030 const krb5_data *inbuf,
1031 krb5_const_principal server,
1033 krb5_flags *ap_req_options,
1034 krb5_ticket **ticket,
1035 krb5_keyblock **keyblock)
1037 krb5_error_code ret;
1039 krb5_enctype enctype;
1040 krb5_keyblock *local_keyblock;
1042 ret = krb5_rd_req(context,
1053 #ifdef KRB5_TICKET_HAS_KEYINFO
1054 enctype = (*ticket)->enc_part.enctype;
1055 kvno = (*ticket)->enc_part.kvno;
1057 ret = smb_krb5_get_keyinfo_from_ap_req(context, inbuf, &kvno, &enctype);
1063 ret = get_key_from_keytab(context,
1069 DEBUG(0,("krb5_rd_req_return_keyblock_from_keytab: failed to call get_key_from_keytab\n"));
1074 if (ret && local_keyblock != NULL) {
1075 krb5_free_keyblock(context, local_keyblock);
1077 *keyblock = local_keyblock;
1083 krb5_error_code smb_krb5_parse_name_norealm(krb5_context context,
1085 krb5_principal *principal)
1087 #ifdef HAVE_KRB5_PARSE_NAME_NOREALM
1088 return smb_krb5_parse_name_norealm_conv(context, name, principal);
1091 /* we are cheating here because parse_name will in fact set the realm.
1092 * We don't care as the only caller of smb_krb5_parse_name_norealm
1093 * ignores the realm anyway when calling
1094 * smb_krb5_principal_compare_any_realm later - Guenther */
1096 return smb_krb5_parse_name(context, name, principal);
1099 BOOL smb_krb5_principal_compare_any_realm(krb5_context context,
1100 krb5_const_principal princ1,
1101 krb5_const_principal princ2)
1103 #ifdef HAVE_KRB5_PRINCIPAL_COMPARE_ANY_REALM
1105 return krb5_principal_compare_any_realm(context, princ1, princ2);
1107 /* krb5_princ_size is a macro in MIT */
1108 #elif defined(HAVE_KRB5_PRINC_SIZE) || defined(krb5_princ_size)
1111 const krb5_data *p1, *p2;
1113 len1 = krb5_princ_size(context, princ1);
1114 len2 = krb5_princ_size(context, princ2);
1119 for (i = 0; i < len1; i++) {
1121 p1 = krb5_princ_component(context, CONST_DISCARD(krb5_principal, princ1), i);
1122 p2 = krb5_princ_component(context, CONST_DISCARD(krb5_principal, princ2), i);
1124 if (p1->length != p2->length || memcmp(p1->data, p2->data, p1->length))
1130 #error NO_SUITABLE_PRINCIPAL_COMPARE_FUNCTION
1134 krb5_error_code smb_krb5_renew_ticket(const char *ccache_string, /* FILE:/tmp/krb5cc_0 */
1135 const char *client_string, /* gd@BER.SUSE.DE */
1136 const char *service_string, /* krbtgt/BER.SUSE.DE@BER.SUSE.DE */
1137 time_t *expire_time)
1139 krb5_error_code ret;
1140 krb5_context context = NULL;
1141 krb5_ccache ccache = NULL;
1142 krb5_principal client = NULL;
1143 krb5_creds creds, creds_in, *creds_out = NULL;
1146 ZERO_STRUCT(creds_in);
1148 initialize_krb5_error_table();
1149 ret = krb5_init_context(&context);
1154 if (!ccache_string) {
1155 ccache_string = krb5_cc_default_name(context);
1158 if (!ccache_string) {
1163 DEBUG(10,("smb_krb5_renew_ticket: using %s as ccache\n", ccache_string));
1165 /* FIXME: we should not fall back to defaults */
1166 ret = krb5_cc_resolve(context, CONST_DISCARD(char *, ccache_string), &ccache);
1171 if (client_string) {
1172 ret = smb_krb5_parse_name(context, client_string, &client);
1177 ret = krb5_cc_get_principal(context, ccache, &client);
1183 #ifdef HAVE_KRB5_GET_RENEWED_CREDS /* MIT */
1185 ret = krb5_get_renewed_creds(context, &creds, client, ccache, CONST_DISCARD(char *, service_string));
1187 DEBUG(10,("smb_krb5_renew_ticket: krb5_get_kdc_cred failed: %s\n", error_message(ret)));
1191 #elif defined(HAVE_KRB5_GET_KDC_CRED) /* Heimdal */
1193 krb5_kdc_flags flags;
1194 krb5_realm *client_realm = NULL;
1196 ret = krb5_copy_principal(context, client, &creds_in.client);
1201 if (service_string) {
1202 ret = smb_krb5_parse_name(context, service_string, &creds_in.server);
1207 /* build tgt service by default */
1208 client_realm = krb5_princ_realm(context, creds_in.client);
1209 if (!client_realm) {
1213 ret = krb5_make_principal(context, &creds_in.server, *client_realm, KRB5_TGS_NAME, *client_realm, NULL);
1220 flags.b.renewable = flags.b.renew = True;
1222 ret = krb5_get_kdc_cred(context, ccache, flags, NULL, NULL, &creds_in, &creds_out);
1224 DEBUG(10,("smb_krb5_renew_ticket: krb5_get_kdc_cred failed: %s\n", error_message(ret)));
1231 #error NO_SUITABLE_KRB5_TICKET_RENEW_FUNCTION_AVAILABLE
1234 /* hm, doesn't that create a new one if the old one wasn't there? - Guenther */
1235 ret = krb5_cc_initialize(context, ccache, client);
1240 ret = krb5_cc_store_cred(context, ccache, &creds);
1243 *expire_time = (time_t) creds.times.endtime;
1247 krb5_free_cred_contents(context, &creds_in);
1250 krb5_free_creds(context, creds_out);
1252 krb5_free_cred_contents(context, &creds);
1256 krb5_free_principal(context, client);
1259 krb5_cc_close(context, ccache);
1262 krb5_free_context(context);
1268 krb5_error_code smb_krb5_free_addresses(krb5_context context, smb_krb5_addresses *addr)
1270 krb5_error_code ret = 0;
1274 #if defined(HAVE_MAGIC_IN_KRB5_ADDRESS) && defined(HAVE_ADDRTYPE_IN_KRB5_ADDRESS) /* MIT */
1275 krb5_free_addresses(context, addr->addrs);
1276 #elif defined(HAVE_ADDR_TYPE_IN_KRB5_ADDRESS) /* Heimdal */
1277 ret = krb5_free_addresses(context, addr->addrs);
1278 SAFE_FREE(addr->addrs);
1285 krb5_error_code smb_krb5_gen_netbios_krb5_address(smb_krb5_addresses **kerb_addr)
1287 krb5_error_code ret = 0;
1289 #if defined(HAVE_MAGIC_IN_KRB5_ADDRESS) && defined(HAVE_ADDRTYPE_IN_KRB5_ADDRESS) /* MIT */
1290 krb5_address **addrs = NULL;
1291 #elif defined(HAVE_ADDR_TYPE_IN_KRB5_ADDRESS) /* Heimdal */
1292 krb5_addresses *addrs = NULL;
1295 *kerb_addr = (smb_krb5_addresses *)SMB_MALLOC(sizeof(smb_krb5_addresses));
1296 if (*kerb_addr == NULL) {
1300 put_name(buf, global_myname(), ' ', 0x20);
1302 #if defined(HAVE_MAGIC_IN_KRB5_ADDRESS) && defined(HAVE_ADDRTYPE_IN_KRB5_ADDRESS) /* MIT */
1306 addrs = (krb5_address **)SMB_MALLOC(sizeof(krb5_address *) * num_addr);
1307 if (addrs == NULL) {
1308 SAFE_FREE(kerb_addr);
1312 memset(addrs, 0, sizeof(krb5_address *) * num_addr);
1314 addrs[0] = (krb5_address *)SMB_MALLOC(sizeof(krb5_address));
1315 if (addrs[0] == NULL) {
1317 SAFE_FREE(kerb_addr);
1321 addrs[0]->magic = KV5M_ADDRESS;
1322 addrs[0]->addrtype = KRB5_ADDR_NETBIOS;
1323 addrs[0]->length = MAX_NETBIOSNAME_LEN;
1324 addrs[0]->contents = (unsigned char *)SMB_MALLOC(addrs[0]->length);
1325 if (addrs[0]->contents == NULL) {
1326 SAFE_FREE(addrs[0]);
1328 SAFE_FREE(kerb_addr);
1332 memcpy(addrs[0]->contents, buf, addrs[0]->length);
1336 #elif defined(HAVE_ADDR_TYPE_IN_KRB5_ADDRESS) /* Heimdal */
1338 addrs = (krb5_addresses *)SMB_MALLOC(sizeof(krb5_addresses));
1339 if (addrs == NULL) {
1340 SAFE_FREE(kerb_addr);
1344 memset(addrs, 0, sizeof(krb5_addresses));
1347 addrs->val = (krb5_address *)SMB_MALLOC(sizeof(krb5_address));
1348 if (addrs->val == NULL) {
1350 SAFE_FREE(kerb_addr);
1354 addrs->val[0].addr_type = KRB5_ADDR_NETBIOS;
1355 addrs->val[0].address.length = MAX_NETBIOSNAME_LEN;
1356 addrs->val[0].address.data = (unsigned char *)SMB_MALLOC(addrs->val[0].address.length);
1357 if (addrs->val[0].address.data == NULL) {
1358 SAFE_FREE(addrs->val);
1360 SAFE_FREE(kerb_addr);
1364 memcpy(addrs->val[0].address.data, buf, addrs->val[0].address.length);
1367 #error UNKNOWN_KRB5_ADDRESS_FORMAT
1369 (*kerb_addr)->addrs = addrs;
1374 void smb_krb5_free_error(krb5_context context, krb5_error *krberror)
1376 #ifdef HAVE_KRB5_FREE_ERROR_CONTENTS /* Heimdal */
1377 krb5_free_error_contents(context, krberror);
1379 krb5_free_error(context, krberror);
1383 krb5_error_code handle_krberror_packet(krb5_context context,
1386 krb5_error_code ret;
1387 BOOL got_error_code = False;
1389 DEBUG(10,("handle_krberror_packet: got error packet\n"));
1391 #ifdef HAVE_E_DATA_POINTER_IN_KRB5_ERROR /* Heimdal */
1393 krb5_error krberror;
1395 if ((ret = krb5_rd_error(context, packet, &krberror))) {
1396 DEBUG(10,("handle_krberror_packet: krb5_rd_error failed with: %s\n",
1397 error_message(ret)));
1401 if (krberror.e_data == NULL || krberror.e_data->data == NULL) {
1402 ret = (krb5_error_code) krberror.error_code;
1403 got_error_code = True;
1406 smb_krb5_free_error(context, &krberror);
1410 krb5_error *krberror;
1412 if ((ret = krb5_rd_error(context, packet, &krberror))) {
1413 DEBUG(10,("handle_krberror_packet: krb5_rd_error failed with: %s\n",
1414 error_message(ret)));
1418 if (krberror->e_data.data == NULL) {
1419 ret = ERROR_TABLE_BASE_krb5 + (krb5_error_code) krberror->error;
1420 got_error_code = True;
1422 smb_krb5_free_error(context, krberror);
1425 if (got_error_code) {
1426 DEBUG(5,("handle_krberror_packet: got KERBERR from kpasswd: %s (%d)\n",
1427 error_message(ret), ret));
1432 krb5_error_code smb_krb5_get_init_creds_opt_alloc(krb5_context context,
1433 krb5_get_init_creds_opt **opt)
1435 #ifdef HAVE_KRB5_GET_INIT_CREDS_OPT_ALLOC
1436 /* Heimdal or modern MIT version */
1437 return krb5_get_init_creds_opt_alloc(context, opt);
1439 /* Historical MIT version */
1440 krb5_get_init_creds_opt *my_opt;
1444 if ((my_opt = SMB_MALLOC_P(krb5_get_init_creds_opt)) == NULL) {
1448 krb5_get_init_creds_opt_init(my_opt);
1452 #endif /* HAVE_KRB5_GET_INIT_CREDS_OPT_ALLOC */
1455 void smb_krb5_get_init_creds_opt_free(krb5_context context,
1456 krb5_get_init_creds_opt *opt)
1458 #ifdef HAVE_KRB5_GET_INIT_CREDS_OPT_FREE
1460 #ifdef KRB5_CREDS_OPT_FREE_REQUIRES_CONTEXT
1461 /* Modern MIT or Heimdal version */
1462 krb5_get_init_creds_opt_free(context, opt);
1464 /* Heimdal version */
1465 krb5_get_init_creds_opt_free(opt);
1466 #endif /* KRB5_CREDS_OPT_FREE_REQUIRES_CONTEXT */
1468 #else /* HAVE_KRB5_GET_INIT_CREDS_OPT_FREE */
1469 /* Historical MIT version */
1472 #endif /* HAVE_KRB5_GET_INIT_CREDS_OPT_FREE */
1475 krb5_enctype smb_get_enctype_from_kt_entry(const krb5_keytab_entry *kt_entry)
1477 #ifdef HAVE_KRB5_KEYTAB_ENTRY_KEY /* MIT */
1478 return kt_entry->key.enctype;
1479 #elif defined(HAVE_KRB5_KEYTAB_ENTRY_KEYBLOCK) /* Heimdal */
1480 return kt_entry->keyblock.keytype;
1482 #error UNKNOWN_KRB5_KEYTAB_ENTRY_KEYBLOCK_FORMAT
1487 /* caller needs to free etype_s */
1488 krb5_error_code smb_krb5_enctype_to_string(krb5_context context,
1489 krb5_enctype enctype,
1492 #ifdef HAVE_KRB5_ENCTYPE_TO_STRING_WITH_KRB5_CONTEXT_ARG
1493 return krb5_enctype_to_string(context, enctype, etype_s); /* Heimdal */
1494 #elif defined(HAVE_KRB5_ENCTYPE_TO_STRING_WITH_SIZE_T_ARG)
1496 krb5_error_code ret = krb5_enctype_to_string(enctype, buf, 256); /* MIT */
1500 *etype_s = SMB_STRDUP(buf);
1506 #error UNKNOWN_KRB5_ENCTYPE_TO_STRING_FUNCTION
1510 krb5_error_code smb_krb5_mk_error(krb5_context context,
1511 krb5_error_code error_code,
1512 const krb5_principal server,
1515 #ifdef HAVE_SHORT_KRB5_MK_ERROR_INTERFACE /* MIT */
1517 * The MIT interface is *terrible*.
1518 * We have to construct this ourselves...
1522 memset(&e, 0, sizeof(e));
1523 krb5_us_timeofday(context, &e.stime, &e.susec);
1525 #if defined(krb5_err_base)
1526 e.error = error_code - krb5_err_base;
1527 #elif defined(ERROR_TABLE_BASE_krb5)
1528 e.error = error_code - ERROR_TABLE_BASE_krb5;
1530 e.error = error_code; /* Almost certainly wrong, but what can we do... ? */
1533 return krb5_mk_error(context, &e, reply);
1534 #else /* Heimdal. */
1535 return krb5_mk_error(context,
1547 /**********************************************************************
1548 * Open a krb5 keytab with flags, handles readonly or readwrite access and
1549 * allows to process non-default keytab names.
1550 * @param context krb5_context
1551 * @param keytab_name_req string
1552 * @param write_access BOOL if writable keytab is required
1553 * @param krb5_keytab pointer to krb5_keytab (close with krb5_kt_close())
1554 * @return krb5_error_code
1555 **********************************************************************/
1557 /* This MAX_NAME_LEN is a constant defined in krb5.h */
1558 #ifndef MAX_KEYTAB_NAME_LEN
1559 #define MAX_KEYTAB_NAME_LEN 1100
1562 krb5_error_code smb_krb5_open_keytab(krb5_context context,
1563 const char *keytab_name_req,
1565 krb5_keytab *keytab)
1567 krb5_error_code ret = 0;
1568 TALLOC_CTX *mem_ctx;
1569 char keytab_string[MAX_KEYTAB_NAME_LEN];
1570 BOOL found_valid_name = False;
1571 const char *pragma = "FILE";
1572 const char *tmp = NULL;
1574 if (!write_access && !keytab_name_req) {
1575 /* caller just wants to read the default keytab readonly, so be it */
1576 return krb5_kt_default(context, keytab);
1579 mem_ctx = talloc_init("smb_krb5_open_keytab");
1584 #ifdef HAVE_WRFILE_KEYTAB
1590 if (keytab_name_req) {
1592 if (strlen(keytab_name_req) > MAX_KEYTAB_NAME_LEN) {
1593 ret = KRB5_CONFIG_NOTENUFSPACE;
1597 if ((strncmp(keytab_name_req, "WRFILE:/", 8) == 0) ||
1598 (strncmp(keytab_name_req, "FILE:/", 6) == 0)) {
1599 tmp = keytab_name_req;
1603 if (keytab_name_req[0] != '/') {
1604 ret = KRB5_KT_BADNAME;
1608 tmp = talloc_asprintf(mem_ctx, "%s:%s", pragma, keytab_name_req);
1617 /* we need to handle more complex keytab_strings, like:
1618 * "ANY:FILE:/etc/krb5.keytab,krb4:/etc/srvtab" */
1620 ret = krb5_kt_default_name(context, &keytab_string[0], MAX_KEYTAB_NAME_LEN - 2);
1625 DEBUG(10,("smb_krb5_open_keytab: krb5_kt_default_name returned %s\n", keytab_string));
1627 tmp = talloc_strdup(mem_ctx, keytab_string);
1633 if (strncmp(tmp, "ANY:", 4) == 0) {
1637 memset(&keytab_string, '\0', sizeof(keytab_string));
1639 while (next_token(&tmp, keytab_string, ",", sizeof(keytab_string))) {
1641 if (strncmp(keytab_string, "WRFILE:", 7) == 0) {
1642 found_valid_name = True;
1643 tmp = keytab_string;
1647 if (strncmp(keytab_string, "FILE:", 5) == 0) {
1648 found_valid_name = True;
1649 tmp = keytab_string;
1653 if (found_valid_name) {
1655 if (tmp[0] != '/') {
1656 ret = KRB5_KT_BADNAME;
1660 tmp = talloc_asprintf(mem_ctx, "%s:%s", pragma, tmp);
1669 if (!found_valid_name) {
1670 ret = KRB5_KT_UNKNOWN_TYPE;
1675 DEBUG(10,("smb_krb5_open_keytab: resolving: %s\n", tmp));
1676 ret = krb5_kt_resolve(context, tmp, keytab);
1679 TALLOC_FREE(mem_ctx);
1683 #else /* HAVE_KRB5 */
1684 /* this saves a few linking headaches */
1685 int cli_krb5_get_ticket(const char *principal, time_t time_offset,
1686 DATA_BLOB *ticket, DATA_BLOB *session_key_krb5, uint32 extra_ap_opts,
1687 const char *ccname, time_t *tgs_expire)
1689 DEBUG(0,("NO KERBEROS SUPPORT\n"));