3 * Copyright (c) 1997 - 2007 Kungliga Tekniska Högskolan
4 * (Royal Institute of Technology, Stockholm, Sweden).
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
18 * 3. Neither the name of the Institute nor the names of its contributors
19 * may be used to endorse or promote products derived from this software
20 * without specific prior written permission.
22 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 #include "krb5_locl.h"
37 static krb5_error_code
38 decrypt_tkt_enc_part (krb5_context context,
40 EncryptedData *enc_part,
41 EncTicketPart *decr_part)
48 ret = krb5_crypto_init(context, key, 0, &crypto);
51 ret = krb5_decrypt_EncryptedData (context,
56 krb5_crypto_destroy(context, crypto);
60 ret = decode_EncTicketPart(plain.data, plain.length, decr_part, &len);
62 krb5_set_error_message(context, ret,
63 N_("Failed to decode encrypted "
65 krb5_data_free (&plain);
69 static krb5_error_code
70 decrypt_authenticator (krb5_context context,
72 EncryptedData *enc_part,
73 Authenticator *authenticator,
81 ret = krb5_crypto_init(context, key, 0, &crypto);
84 ret = krb5_decrypt_EncryptedData (context,
86 usage /* KRB5_KU_AP_REQ_AUTH */,
89 /* for backwards compatibility, also try the old usage */
90 if (ret && usage == KRB5_KU_TGS_REQ_AUTH)
91 ret = krb5_decrypt_EncryptedData (context,
96 krb5_crypto_destroy(context, crypto);
100 ret = decode_Authenticator(plain.data, plain.length,
101 authenticator, &len);
102 krb5_data_free (&plain);
106 KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
107 krb5_decode_ap_req(krb5_context context,
108 const krb5_data *inbuf,
113 ret = decode_AP_REQ(inbuf->data, inbuf->length, ap_req, &len);
116 if (ap_req->pvno != 5){
118 krb5_clear_error_message (context);
119 return KRB5KRB_AP_ERR_BADVERSION;
121 if (ap_req->msg_type != krb_ap_req){
123 krb5_clear_error_message (context);
124 return KRB5KRB_AP_ERR_MSG_TYPE;
126 if (ap_req->ticket.tkt_vno != 5){
128 krb5_clear_error_message (context);
129 return KRB5KRB_AP_ERR_BADVERSION;
134 static krb5_error_code
135 check_transited(krb5_context context, Ticket *ticket, EncTicketPart *enc)
138 unsigned int num_realms, n;
142 * Windows 2000 and 2003 uses this inside their TGT so it's normaly
143 * not seen by others, however, samba4 joined with a Windows AD as
144 * a Domain Controller gets exposed to this.
146 if(enc->transited.tr_type == 0 && enc->transited.contents.length == 0)
149 if(enc->transited.tr_type != domain_X500_Compress)
150 return KRB5KDC_ERR_TRTYPE_NOSUPP;
152 if(enc->transited.contents.length == 0)
155 ret = krb5_domain_x500_decode(context, enc->transited.contents,
156 &realms, &num_realms,
161 ret = krb5_check_transited(context, enc->crealm,
163 realms, num_realms, NULL);
164 for (n = 0; n < num_realms; n++)
170 static krb5_error_code
171 find_etypelist(krb5_context context,
172 krb5_auth_context auth_context,
178 ret = _krb5_get_ad(context, auth_context->authenticator->authorization_data, NULL, KRB5_AUTHDATA_GSS_API_ETYPE_NEGOTIATION, &data);
182 ret = decode_EtypeList(data.data, data.length, etypes, NULL);
183 krb5_data_free(&data);
185 krb5_clear_error_message(context);
190 KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
191 krb5_decrypt_ticket(krb5_context context,
199 ret = decrypt_tkt_enc_part (context, key, &ticket->enc_part, &t);
205 time_t start = t.authtime;
207 krb5_timeofday (context, &now);
209 start = *t.starttime;
210 if(start - now > context->max_skew
212 && !(flags & KRB5_VERIFY_AP_REQ_IGNORE_INVALID))) {
213 free_EncTicketPart(&t);
214 krb5_clear_error_message (context);
215 return KRB5KRB_AP_ERR_TKT_NYV;
217 if(now - t.endtime > context->max_skew) {
218 free_EncTicketPart(&t);
219 krb5_clear_error_message (context);
220 return KRB5KRB_AP_ERR_TKT_EXPIRED;
223 if(!t.flags.transited_policy_checked) {
224 ret = check_transited(context, ticket, &t);
226 free_EncTicketPart(&t);
235 free_EncTicketPart(&t);
239 KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
240 krb5_verify_authenticator_checksum(krb5_context context,
241 krb5_auth_context ac,
246 krb5_keyblock *key = NULL;
247 krb5_authenticator authenticator;
250 ret = krb5_auth_con_getauthenticator(context, ac, &authenticator);
253 if (authenticator->cksum == NULL) {
257 ret = krb5_auth_con_getkey(context, ac, &key);
260 ret = krb5_crypto_init(context, key, 0, &crypto);
264 _krb5_crypto_set_flags(context, crypto, KRB5_CRYPTO_FLAG_ALLOW_UNKEYED_CHECKSUM);
265 ret = krb5_verify_checksum(context, crypto,
266 KRB5_KU_AP_REQ_AUTH_CKSUM,
267 data, len, authenticator->cksum);
268 krb5_crypto_destroy(context, crypto);
270 krb5_free_authenticator(context, &authenticator);
271 krb5_free_keyblock(context, key);
276 KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
277 krb5_verify_ap_req(krb5_context context,
278 krb5_auth_context *auth_context,
280 krb5_const_principal server,
281 krb5_keyblock *keyblock,
283 krb5_flags *ap_req_options,
284 krb5_ticket **ticket)
286 return krb5_verify_ap_req2 (context,
294 KRB5_KU_AP_REQ_AUTH);
297 KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
298 krb5_verify_ap_req2(krb5_context context,
299 krb5_auth_context *auth_context,
301 krb5_const_principal server,
302 krb5_keyblock *keyblock,
304 krb5_flags *ap_req_options,
305 krb5_ticket **ticket,
306 krb5_key_usage usage)
309 krb5_auth_context ac;
314 memset(&etypes, 0, sizeof(etypes));
319 if (auth_context && *auth_context) {
322 ret = krb5_auth_con_init (context, &ac);
327 t = calloc(1, sizeof(*t));
329 ret = krb5_enomem(context);
333 if (ap_req->ap_options.use_session_key && ac->keyblock){
334 ret = krb5_decrypt_ticket(context, &ap_req->ticket,
338 krb5_free_keyblock(context, ac->keyblock);
341 ret = krb5_decrypt_ticket(context, &ap_req->ticket,
349 ret = _krb5_principalname2krb5_principal(context,
351 ap_req->ticket.sname,
352 ap_req->ticket.realm);
354 ret = _krb5_principalname2krb5_principal(context,
360 ret = decrypt_authenticator (context,
362 &ap_req->authenticator,
369 krb5_principal p1, p2;
372 _krb5_principalname2krb5_principal(context,
374 ac->authenticator->cname,
375 ac->authenticator->crealm);
376 _krb5_principalname2krb5_principal(context,
380 res = krb5_principal_compare (context, p1, p2);
381 krb5_free_principal (context, p1);
382 krb5_free_principal (context, p2);
384 ret = KRB5KRB_AP_ERR_BADMATCH;
385 krb5_clear_error_message (context);
390 /* check addresses */
393 && ac->remote_address
394 && !krb5_address_search (context,
398 * Hack alert. If KRB5_VERIFY_AP_REQ_IGNORE_ADDRS and the client's
399 * address didn't check out then we'll return KRB5KRB_AP_ERR_BADADDR
400 * even on success, and we'll let the caller figure it out because
401 * `*ticket != NULL' or `*auth_context != NULL'.
403 if ((flags & KRB5_VERIFY_AP_REQ_IGNORE_ADDRS)) {
406 ret = KRB5KRB_AP_ERR_BADADDR;
407 krb5_clear_error_message(context);
412 /* check timestamp in authenticator */
416 krb5_timeofday (context, &now);
418 if (krb5_time_abs(ac->authenticator->ctime, now) > context->max_skew) {
419 ret = KRB5KRB_AP_ERR_SKEW;
420 krb5_clear_error_message (context);
425 if (ac->authenticator->seq_number)
426 krb5_auth_con_setremoteseqnumber(context, ac,
427 *ac->authenticator->seq_number);
429 /* XXX - Xor sequence numbers */
431 if (ac->authenticator->subkey) {
432 ret = krb5_auth_con_setremotesubkey(context, ac,
433 ac->authenticator->subkey);
438 ret = find_etypelist(context, ac, &etypes);
442 ac->keytype = ETYPE_NULL;
447 for (i = 0; i < etypes.len; i++) {
448 if (krb5_enctype_valid(context, etypes.val[i]) == 0) {
449 ac->keytype = etypes.val[i];
456 ret = krb5_copy_keyblock(context, &t->ticket.key, &ac->keyblock);
459 if (ap_req_options) {
461 if (ac->keytype != (krb5_enctype)ETYPE_NULL)
462 *ap_req_options |= AP_OPTS_USE_SUBKEY;
463 if (ap_req->ap_options.use_session_key)
464 *ap_req_options |= AP_OPTS_USE_SESSION_KEY;
465 if (ap_req->ap_options.mutual_required)
466 *ap_req_options |= AP_OPTS_MUTUAL_REQUIRED;
472 krb5_free_ticket (context, t);
474 if (*auth_context == NULL)
477 krb5_auth_con_free (context, ac);
478 free_EtypeList(&etypes);
481 krb5_clear_error_message(context);
482 return KRB5KRB_AP_ERR_BADADDR;
486 free_EtypeList(&etypes);
488 krb5_free_ticket (context, t);
489 if (auth_context == NULL || *auth_context == NULL)
490 krb5_auth_con_free (context, ac);
498 struct krb5_rd_req_in_ctx_data {
500 krb5_keyblock *keyblock;
501 krb5_boolean check_pac;
504 struct krb5_rd_req_out_ctx_data {
505 krb5_keyblock *keyblock;
506 krb5_flags ap_req_options;
508 krb5_principal server;
512 * Allocate a krb5_rd_req_in_ctx as an input parameter to
513 * krb5_rd_req_ctx(). The caller should free the context with
514 * krb5_rd_req_in_ctx_free() when done with the context.
516 * @param context Keberos 5 context.
517 * @param ctx in ctx to krb5_rd_req_ctx().
519 * @return Kerberos 5 error code, see krb5_get_error_message().
524 KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
525 krb5_rd_req_in_ctx_alloc(krb5_context context, krb5_rd_req_in_ctx *ctx)
527 *ctx = calloc(1, sizeof(**ctx));
529 return krb5_enomem(context);
530 (*ctx)->check_pac = (context->flags & KRB5_CTX_F_CHECK_PAC) ? 1 : 0;
535 * Set the keytab that krb5_rd_req_ctx() will use.
537 * @param context Keberos 5 context.
538 * @param in in ctx to krb5_rd_req_ctx().
539 * @param keytab keytab that krb5_rd_req_ctx() will use, only copy the
540 * pointer, so the caller must free they keytab after
541 * krb5_rd_req_in_ctx_free() is called.
543 * @return Kerberos 5 error code, see krb5_get_error_message().
548 KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
549 krb5_rd_req_in_set_keytab(krb5_context context,
550 krb5_rd_req_in_ctx in,
558 * Set if krb5_rq_red() is going to check the Windows PAC or not
560 * @param context Keberos 5 context.
561 * @param in krb5_rd_req_in_ctx to check the option on.
562 * @param flag flag to select if to check the pac (TRUE) or not (FALSE).
564 * @return Kerberos 5 error code, see krb5_get_error_message().
569 KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
570 krb5_rd_req_in_set_pac_check(krb5_context context,
571 krb5_rd_req_in_ctx in,
574 in->check_pac = flag;
579 KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
580 krb5_rd_req_in_set_keyblock(krb5_context context,
581 krb5_rd_req_in_ctx in,
582 krb5_keyblock *keyblock)
584 in->keyblock = keyblock; /* XXX should make copy */
588 KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
589 krb5_rd_req_out_get_ap_req_options(krb5_context context,
590 krb5_rd_req_out_ctx out,
591 krb5_flags *ap_req_options)
593 *ap_req_options = out->ap_req_options;
597 KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
598 krb5_rd_req_out_get_ticket(krb5_context context,
599 krb5_rd_req_out_ctx out,
600 krb5_ticket **ticket)
602 return krb5_copy_ticket(context, out->ticket, ticket);
605 KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
606 krb5_rd_req_out_get_keyblock(krb5_context context,
607 krb5_rd_req_out_ctx out,
608 krb5_keyblock **keyblock)
610 return krb5_copy_keyblock(context, out->keyblock, keyblock);
614 * Get the principal that was used in the request from the
615 * client. Might not match whats in the ticket if krb5_rd_req_ctx()
616 * searched in the keytab for a matching key.
618 * @param context a Kerberos 5 context.
619 * @param out a krb5_rd_req_out_ctx from krb5_rd_req_ctx().
620 * @param principal return principal, free with krb5_free_principal().
625 KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
626 krb5_rd_req_out_get_server(krb5_context context,
627 krb5_rd_req_out_ctx out,
628 krb5_principal *principal)
630 return krb5_copy_principal(context, out->server, principal);
633 KRB5_LIB_FUNCTION void KRB5_LIB_CALL
634 krb5_rd_req_in_ctx_free(krb5_context context, krb5_rd_req_in_ctx ctx)
640 * Free the krb5_rd_req_out_ctx.
642 * @param context Keberos 5 context.
643 * @param ctx krb5_rd_req_out_ctx context to free.
648 KRB5_LIB_FUNCTION void KRB5_LIB_CALL
649 krb5_rd_req_out_ctx_free(krb5_context context, krb5_rd_req_out_ctx ctx)
652 krb5_free_ticket(context, ctx->ticket);
654 krb5_free_keyblock(context, ctx->keyblock);
656 krb5_free_principal(context, ctx->server);
661 * Process an AP_REQ message.
663 * @param context Kerberos 5 context.
664 * @param auth_context authentication context of the peer.
665 * @param inbuf the AP_REQ message, obtained for example with krb5_read_message().
666 * @param server server principal.
667 * @param keytab server keytab.
668 * @param ap_req_options set to the AP_REQ options. See the AP_OPTS_* defines.
669 * @param ticket on success, set to the authenticated client credentials.
670 * Must be deallocated with krb5_free_ticket(). If not
671 * interested, pass a NULL value.
673 * @return 0 to indicate success. Otherwise a Kerberos error code is
674 * returned, see krb5_get_error_message().
676 KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
677 krb5_rd_req(krb5_context context,
678 krb5_auth_context *auth_context,
679 const krb5_data *inbuf,
680 krb5_const_principal server,
682 krb5_flags *ap_req_options,
683 krb5_ticket **ticket)
686 krb5_rd_req_in_ctx in;
687 krb5_rd_req_out_ctx out;
689 ret = krb5_rd_req_in_ctx_alloc(context, &in);
693 ret = krb5_rd_req_in_set_keytab(context, in, keytab);
695 krb5_rd_req_in_ctx_free(context, in);
699 ret = krb5_rd_req_ctx(context, auth_context, inbuf, server, in, &out);
700 krb5_rd_req_in_ctx_free(context, in);
705 *ap_req_options = out->ap_req_options;
707 ret = krb5_copy_ticket(context, out->ticket, ticket);
713 krb5_rd_req_out_ctx_free(context, out);
721 KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
722 krb5_rd_req_with_keyblock(krb5_context context,
723 krb5_auth_context *auth_context,
724 const krb5_data *inbuf,
725 krb5_const_principal server,
726 krb5_keyblock *keyblock,
727 krb5_flags *ap_req_options,
728 krb5_ticket **ticket)
731 krb5_rd_req_in_ctx in;
732 krb5_rd_req_out_ctx out;
734 ret = krb5_rd_req_in_ctx_alloc(context, &in);
738 ret = krb5_rd_req_in_set_keyblock(context, in, keyblock);
740 krb5_rd_req_in_ctx_free(context, in);
744 ret = krb5_rd_req_ctx(context, auth_context, inbuf, server, in, &out);
745 krb5_rd_req_in_ctx_free(context, in);
750 *ap_req_options = out->ap_req_options;
752 ret = krb5_copy_ticket(context, out->ticket, ticket);
758 krb5_rd_req_out_ctx_free(context, out);
766 static krb5_error_code
767 get_key_from_keytab(krb5_context context,
769 krb5_const_principal server,
771 krb5_keyblock **out_key)
773 krb5_keytab_entry entry;
776 krb5_keytab real_keytab;
779 krb5_kt_default(context, &real_keytab);
781 real_keytab = keytab;
783 if (ap_req->ticket.enc_part.kvno)
784 kvno = *ap_req->ticket.enc_part.kvno;
788 ret = krb5_kt_get_entry (context,
792 ap_req->ticket.enc_part.etype,
796 ret = krb5_copy_keyblock(context, &entry.keyblock, out_key);
797 krb5_kt_free_entry (context, &entry);
800 krb5_kt_close(context, real_keytab);
806 * The core server function that verify application authentication
807 * requests from clients.
809 * @param context Keberos 5 context.
810 * @param auth_context the authentication context, can be NULL, then
811 * default values for the authentication context will used.
812 * @param inbuf the (AP-REQ) authentication buffer
814 * @param server the server to authenticate to. If NULL the function
815 * will try to find any available credential in the keytab
816 * that will verify the reply. The function will prefer the
817 * server specified in the AP-REQ, but if
818 * there is no mach, it will try all keytab entries for a
819 * match. This has serious performance issues for large keytabs.
821 * @param inctx control the behavior of the function, if NULL, the
822 * default behavior is used.
823 * @param outctx the return outctx, free with krb5_rd_req_out_ctx_free().
824 * @return Kerberos 5 error code, see krb5_get_error_message().
829 KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
830 krb5_rd_req_ctx(krb5_context context,
831 krb5_auth_context *auth_context,
832 const krb5_data *inbuf,
833 krb5_const_principal server,
834 krb5_rd_req_in_ctx inctx,
835 krb5_rd_req_out_ctx *outctx)
839 krb5_rd_req_out_ctx o = NULL;
840 krb5_keytab id = NULL, keytab = NULL;
841 krb5_principal service = NULL;
845 o = calloc(1, sizeof(*o));
847 return krb5_enomem(context);
849 if (*auth_context == NULL) {
850 ret = krb5_auth_con_init(context, auth_context);
855 ret = krb5_decode_ap_req(context, inbuf, &ap_req);
859 /* Save the principal that was in the request */
860 ret = _krb5_principalname2krb5_principal(context,
863 ap_req.ticket.realm);
867 if (ap_req.ap_options.use_session_key &&
868 (*auth_context)->keyblock == NULL) {
869 ret = KRB5KRB_AP_ERR_NOKEY;
870 krb5_set_error_message(context, ret,
871 N_("krb5_rd_req: user to user auth "
872 "without session key given", ""));
876 if (inctx && inctx->keytab)
879 if((*auth_context)->keyblock){
880 ret = krb5_copy_keyblock(context,
881 (*auth_context)->keyblock,
885 } else if(inctx && inctx->keyblock){
886 ret = krb5_copy_keyblock(context,
894 krb5_kt_default(context, &keytab);
900 if (server == NULL) {
901 ret = _krb5_principalname2krb5_principal(context,
904 ap_req.ticket.realm);
910 ret = get_key_from_keytab(context,
916 /* If caller specified a server, fail. */
917 if (service == NULL && (context->flags & KRB5_CTX_F_RD_REQ_IGNORE) == 0)
919 /* Otherwise, fall back to iterating over the keytab. This
920 * have serious performace issues for larger keytab.
928 * We got an exact keymatch, use that.
931 ret = krb5_verify_ap_req2(context,
939 KRB5_KU_AP_REQ_AUTH);
946 * Interate over keytab to find a key that can decrypt the request.
949 krb5_keytab_entry entry;
950 krb5_kt_cursor cursor;
951 int done = 0, kvno = 0;
953 memset(&cursor, 0, sizeof(cursor));
955 if (ap_req.ticket.enc_part.kvno)
956 kvno = *ap_req.ticket.enc_part.kvno;
958 ret = krb5_kt_start_seq_get(context, id, &cursor);
966 ret = krb5_kt_next_entry(context, id, &entry, &cursor);
968 _krb5_kt_principal_not_found(context, ret, id, o->server,
969 ap_req.ticket.enc_part.etype,
974 if (entry.keyblock.keytype != ap_req.ticket.enc_part.etype) {
975 krb5_kt_free_entry (context, &entry);
979 ret = krb5_verify_ap_req2(context,
987 KRB5_KU_AP_REQ_AUTH);
989 krb5_kt_free_entry (context, &entry);
994 * Found a match, save the keyblock for PAC processing,
995 * and update the service principal in the ticket to match
996 * whatever is in the keytab.
999 ret = krb5_copy_keyblock(context,
1003 krb5_kt_free_entry (context, &entry);
1007 ret = krb5_copy_principal(context, entry.principal, &p);
1009 krb5_kt_free_entry (context, &entry);
1012 krb5_free_principal(context, o->ticket->server);
1013 o->ticket->server = p;
1015 krb5_kt_free_entry (context, &entry);
1019 krb5_kt_end_seq_get (context, id, &cursor);
1024 /* If there is a PAC, verify its server signature */
1025 if (inctx == NULL || inctx->check_pac) {
1029 ret = krb5_ticket_get_authorization_data_type(context,
1031 KRB5_AUTHDATA_WIN2K_PAC,
1034 ret = krb5_pac_parse(context, data.data, data.length, &pac);
1035 krb5_data_free(&data);
1039 ret = krb5_pac_verify(context,
1041 o->ticket->ticket.authtime,
1045 if (ret == 0 && (context->flags & KRB5_CTX_F_REPORT_CANONICAL_CLIENT_NAME)) {
1046 krb5_error_code ret2;
1047 krb5_principal canon_name;
1049 ret2 = _krb5_pac_get_canon_principal(context, pac, &canon_name);
1051 krb5_free_principal(context, o->ticket->client);
1052 o->ticket->client = canon_name;
1053 } else if (ret2 != ENOENT)
1056 krb5_pac_free(context, pac);
1064 if (ret || outctx == NULL) {
1065 krb5_rd_req_out_ctx_free(context, o);
1069 free_AP_REQ(&ap_req);
1072 krb5_free_principal(context, service);
1075 krb5_kt_close(context, keytab);