2 Unix SMB/CIFS implementation.
3 krb5 set password implementation
4 Copyright (C) Andrew Tridgell 2001
5 Copyright (C) Remus Koos 2001 (remuskoos@yahoo.com)
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program. If not, see <http://www.gnu.org/licenses/>.
23 #include "libads/kerberos_proto.h"
24 #include "../lib/util/asn1.h"
28 #define DEFAULT_KPASSWD_PORT 464
30 #define KRB5_KPASSWD_VERS_CHANGEPW 1
32 #define KRB5_KPASSWD_VERS_SETPW 0xff80
33 #define KRB5_KPASSWD_VERS_SETPW_ALT 2
35 #define KRB5_KPASSWD_SUCCESS 0
36 #define KRB5_KPASSWD_MALFORMED 1
37 #define KRB5_KPASSWD_HARDERROR 2
38 #define KRB5_KPASSWD_AUTHERROR 3
39 #define KRB5_KPASSWD_SOFTERROR 4
40 #define KRB5_KPASSWD_ACCESSDENIED 5
41 #define KRB5_KPASSWD_BAD_VERSION 6
42 #define KRB5_KPASSWD_INITIAL_FLAG_NEEDED 7
44 /* Those are defined by kerberos-set-passwd-02.txt and are probably
45 * not supported by M$ implementation */
46 #define KRB5_KPASSWD_POLICY_REJECT 8
47 #define KRB5_KPASSWD_BAD_PRINCIPAL 9
48 #define KRB5_KPASSWD_ETYPE_NOSUPP 10
51 * we've got to be able to distinguish KRB_ERRORs from other
52 * requests - valid response for CHPW v2 replies.
55 #define krb5_is_krb_error(packet) \
56 ( packet && packet->length && (((char *)packet->data)[0] == 0x7e || ((char *)packet->data)[0] == 0x5e))
58 /* This implements kerberos password change protocol as specified in
59 * kerb-chg-password-02.txt and kerberos-set-passwd-02.txt
60 * as well as microsoft version of the protocol
61 * as specified in kerberos-set-passwd-00.txt
63 static DATA_BLOB
encode_krb5_setpw(const char *principal
, const char *password
)
65 char* princ_part1
= NULL
;
66 char* princ_part2
= NULL
;
75 princ
= SMB_STRDUP(principal
);
77 if ((c
= strchr_m(princ
, '/')) == NULL
) {
87 if ((c
= strchr_m(c
, '@')) != NULL
) {
92 /* We must have a realm component. */
93 return data_blob_null
;
96 req
= asn1_init(talloc_tos());
98 return data_blob_null
;
101 asn1_push_tag(req
, ASN1_SEQUENCE(0));
102 asn1_push_tag(req
, ASN1_CONTEXT(0));
103 asn1_write_OctetString(req
, password
, strlen(password
));
106 asn1_push_tag(req
, ASN1_CONTEXT(1));
107 asn1_push_tag(req
, ASN1_SEQUENCE(0));
109 asn1_push_tag(req
, ASN1_CONTEXT(0));
110 asn1_write_Integer(req
, 1);
113 asn1_push_tag(req
, ASN1_CONTEXT(1));
114 asn1_push_tag(req
, ASN1_SEQUENCE(0));
117 asn1_write_GeneralString(req
, princ_part1
);
120 asn1_write_GeneralString(req
, princ_part2
);
126 asn1_push_tag(req
, ASN1_CONTEXT(2));
127 asn1_write_GeneralString(req
, realm
);
131 ret
= data_blob(req
->data
, req
->length
);
139 static krb5_error_code
build_kpasswd_request(uint16 pversion
,
140 krb5_context context
,
141 krb5_auth_context auth_context
,
150 krb5_data encoded_setpw
;
151 krb5_replay_data replay
;
154 unsigned int msg_length
;
156 ret
= krb5_auth_con_setflags(context
,
157 auth_context
,KRB5_AUTH_CONTEXT_DO_SEQUENCE
);
159 DEBUG(1,("krb5_auth_con_setflags failed (%s)\n",
160 error_message(ret
)));
164 /* handle protocol differences in chpw and setpw */
165 if (pversion
== KRB5_KPASSWD_VERS_CHANGEPW
)
166 setpw
= data_blob(passwd
, strlen(passwd
));
167 else if (pversion
== KRB5_KPASSWD_VERS_SETPW
||
168 pversion
== KRB5_KPASSWD_VERS_SETPW_ALT
)
169 setpw
= encode_krb5_setpw(princ
, passwd
);
173 if (setpw
.data
== NULL
|| setpw
.length
== 0) {
177 encoded_setpw
.data
= (char *)setpw
.data
;
178 encoded_setpw
.length
= setpw
.length
;
180 ret
= krb5_mk_priv(context
, auth_context
,
181 &encoded_setpw
, &cipherpw
, &replay
);
183 data_blob_free(&setpw
); /*from 'encode_krb5_setpw(...)' */
186 DEBUG(1,("krb5_mk_priv failed (%s)\n", error_message(ret
)));
190 packet
->data
= (char *)SMB_MALLOC(ap_req
->length
+ cipherpw
.length
+ (use_tcp
? 10 : 6 ));
196 /* see the RFC for details */
198 msg_start
= p
= ((char *)packet
->data
) + (use_tcp
? 4 : 0);
200 RSSVAL(p
, 0, pversion
);
202 RSSVAL(p
, 0, ap_req
->length
);
204 memcpy(p
, ap_req
->data
, ap_req
->length
);
206 memcpy(p
, cipherpw
.data
, cipherpw
.length
);
207 p
+= cipherpw
.length
;
208 packet
->length
= PTR_DIFF(p
,packet
->data
);
209 msg_length
= PTR_DIFF(p
,msg_start
);
212 RSIVAL(packet
->data
, 0, msg_length
);
214 RSSVAL(msg_start
, 0, msg_length
);
216 free(cipherpw
.data
); /* from 'krb5_mk_priv(...)' */
221 static const struct kpasswd_errors
{
223 const char *error_string
;
224 } kpasswd_errors
[] = {
225 {KRB5_KPASSWD_MALFORMED
, "Malformed request error"},
226 {KRB5_KPASSWD_HARDERROR
, "Server error"},
227 {KRB5_KPASSWD_AUTHERROR
, "Authentication error"},
228 {KRB5_KPASSWD_SOFTERROR
, "Password change rejected"},
229 {KRB5_KPASSWD_ACCESSDENIED
, "Client does not have proper authorization"},
230 {KRB5_KPASSWD_BAD_VERSION
, "Protocol version not supported"},
231 {KRB5_KPASSWD_INITIAL_FLAG_NEEDED
, "Authorization ticket must have initial flag set"},
232 {KRB5_KPASSWD_POLICY_REJECT
, "Password rejected due to policy requirements"},
233 {KRB5_KPASSWD_BAD_PRINCIPAL
, "Target principal does not exist"},
234 {KRB5_KPASSWD_ETYPE_NOSUPP
, "Unsupported encryption type"},
238 static krb5_error_code
setpw_result_code_string(krb5_context context
,
240 const char **code_string
)
242 unsigned int idx
= 0;
244 while (kpasswd_errors
[idx
].error_string
!= NULL
) {
245 if (kpasswd_errors
[idx
].result_code
==
247 *code_string
= kpasswd_errors
[idx
].error_string
;
252 *code_string
= "Password change failed";
256 krb5_error_code
kpasswd_err_to_krb5_err(krb5_error_code res_code
)
259 case KRB5_KPASSWD_ACCESSDENIED
:
260 return KRB5KDC_ERR_BADOPTION
;
261 case KRB5_KPASSWD_INITIAL_FLAG_NEEDED
:
262 return KRB5KDC_ERR_BADOPTION
;
263 /* return KV5M_ALT_METHOD; MIT-only define */
264 case KRB5_KPASSWD_ETYPE_NOSUPP
:
265 return KRB5KDC_ERR_ETYPE_NOSUPP
;
266 case KRB5_KPASSWD_BAD_PRINCIPAL
:
267 return KRB5KDC_ERR_C_PRINCIPAL_UNKNOWN
;
268 case KRB5_KPASSWD_POLICY_REJECT
:
269 case KRB5_KPASSWD_SOFTERROR
:
270 return KRB5KDC_ERR_POLICY
;
272 return KRB5KRB_ERR_GENERIC
;
275 static krb5_error_code
parse_setpw_reply(krb5_context context
,
277 krb5_auth_context auth_context
,
282 int vnum
, ret
, res_code
;
283 krb5_data cipherresult
;
284 krb5_data clearresult
;
285 krb5_ap_rep_enc_part
*ap_rep_enc
;
286 krb5_replay_data replay
;
287 unsigned int msg_length
= packet
->length
;
290 if (packet
->length
< (use_tcp
? 8 : 4)) {
291 return KRB5KRB_AP_ERR_MODIFIED
;
294 p
= (char *)packet
->data
;
296 ** see if it is an error
298 if (krb5_is_krb_error(packet
)) {
300 ret
= handle_krberror_packet(context
, packet
);
310 if (RIVAL(p
, 0) != msg_length
) {
311 DEBUG(1,("Bad TCP packet length (%d/%d) from kpasswd server\n",
312 RIVAL(p
, 0), msg_length
));
313 return KRB5KRB_AP_ERR_MODIFIED
;
319 if (RSVAL(p
, 0) != msg_length
) {
320 DEBUG(1,("Bad packet length (%d/%d) from kpasswd server\n",
321 RSVAL(p
, 0), msg_length
));
322 return KRB5KRB_AP_ERR_MODIFIED
;
327 vnum
= RSVAL(p
, 0); p
+= 2;
329 /* FIXME: According to standard there is only one type of reply */
330 if (vnum
!= KRB5_KPASSWD_VERS_SETPW
&&
331 vnum
!= KRB5_KPASSWD_VERS_SETPW_ALT
&&
332 vnum
!= KRB5_KPASSWD_VERS_CHANGEPW
) {
333 DEBUG(1,("Bad vnum (%d) from kpasswd server\n", vnum
));
334 return KRB5KDC_ERR_BAD_PVNO
;
337 ap_rep
.length
= RSVAL(p
, 0); p
+= 2;
339 if (p
+ ap_rep
.length
>= (char *)packet
->data
+ packet
->length
) {
340 DEBUG(1,("ptr beyond end of packet from kpasswd server\n"));
341 return KRB5KRB_AP_ERR_MODIFIED
;
344 if (ap_rep
.length
== 0) {
345 DEBUG(1,("got unencrypted setpw result?!\n"));
346 return KRB5KRB_AP_ERR_MODIFIED
;
353 ret
= krb5_rd_rep(context
, auth_context
, &ap_rep
, &ap_rep_enc
);
355 DEBUG(1,("failed to rd setpw reply (%s)\n", error_message(ret
)));
356 return KRB5KRB_AP_ERR_MODIFIED
;
359 krb5_free_ap_rep_enc_part(context
, ap_rep_enc
);
361 cipherresult
.data
= p
;
362 cipherresult
.length
= ((char *)packet
->data
+ packet
->length
) - p
;
364 ret
= krb5_rd_priv(context
, auth_context
, &cipherresult
, &clearresult
,
367 DEBUG(1,("failed to decrypt setpw reply (%s)\n", error_message(ret
)));
368 return KRB5KRB_AP_ERR_MODIFIED
;
371 if (clearresult
.length
< 2) {
372 free(clearresult
.data
);
373 ret
= KRB5KRB_AP_ERR_MODIFIED
;
374 return KRB5KRB_AP_ERR_MODIFIED
;
377 p
= (char *)clearresult
.data
;
379 res_code
= RSVAL(p
, 0);
381 free(clearresult
.data
);
383 if ((res_code
< KRB5_KPASSWD_SUCCESS
) ||
384 (res_code
> KRB5_KPASSWD_ETYPE_NOSUPP
)) {
385 return KRB5KRB_AP_ERR_MODIFIED
;
388 if (res_code
== KRB5_KPASSWD_SUCCESS
) {
392 setpw_result_code_string(context
, res_code
, &errstr
);
393 DEBUG(1, ("Error changing password: %s (%d)\n", errstr
, res_code
));
395 return kpasswd_err_to_krb5_err(res_code
);
399 static ADS_STATUS
do_krb5_kpasswd_request(krb5_context context
,
400 const char *kdc_host
,
406 krb5_auth_context auth_context
= NULL
;
407 krb5_data ap_req
, chpw_req
, chpw_rep
;
410 struct sockaddr_storage remote_addr
, local_addr
;
411 struct sockaddr_storage addr
;
412 krb5_address local_kaddr
, remote_kaddr
;
413 bool use_tcp
= False
;
416 if (!interpret_string_addr(&addr
, kdc_host
, 0)) {
419 ret
= krb5_mk_req_extended(context
, &auth_context
, AP_OPTS_USE_SUBKEY
,
420 NULL
, credsp
, &ap_req
);
422 DEBUG(1,("krb5_mk_req_extended failed (%s)\n", error_message(ret
)));
423 return ADS_ERROR_KRB5(ret
);
430 sock
= open_udp_socket(kdc_host
, DEFAULT_KPASSWD_PORT
);
433 SAFE_FREE(ap_req
.data
);
434 krb5_auth_con_free(context
, auth_context
);
435 DEBUG(1,("failed to open kpasswd socket to %s "
436 "(%s)\n", kdc_host
, strerror(errno
)));
437 return ADS_ERROR_SYSTEM(rc
);
441 status
= open_socket_out(&addr
, DEFAULT_KPASSWD_PORT
,
442 LONG_CONNECT_TIMEOUT
, &sock
);
443 if (!NT_STATUS_IS_OK(status
)) {
444 SAFE_FREE(ap_req
.data
);
445 krb5_auth_con_free(context
, auth_context
);
446 DEBUG(1,("failed to open kpasswd socket to %s "
449 return ADS_ERROR_NT(status
);
453 addr_len
= sizeof(remote_addr
);
454 if (getpeername(sock
, (struct sockaddr
*)&remote_addr
, &addr_len
) != 0) {
456 SAFE_FREE(ap_req
.data
);
457 krb5_auth_con_free(context
, auth_context
);
458 DEBUG(1,("getpeername() failed (%s)\n", error_message(errno
)));
459 return ADS_ERROR_SYSTEM(errno
);
461 addr_len
= sizeof(local_addr
);
462 if (getsockname(sock
, (struct sockaddr
*)&local_addr
, &addr_len
) != 0) {
464 SAFE_FREE(ap_req
.data
);
465 krb5_auth_con_free(context
, auth_context
);
466 DEBUG(1,("getsockname() failed (%s)\n", error_message(errno
)));
467 return ADS_ERROR_SYSTEM(errno
);
469 if (!setup_kaddr(&remote_kaddr
, &remote_addr
) ||
470 !setup_kaddr(&local_kaddr
, &local_addr
)) {
471 DEBUG(1,("do_krb5_kpasswd_request: "
472 "Failed to setup addresses.\n"));
474 SAFE_FREE(ap_req
.data
);
475 krb5_auth_con_free(context
, auth_context
);
477 return ADS_ERROR_SYSTEM(EINVAL
);
480 ret
= krb5_auth_con_setaddrs(context
, auth_context
, &local_kaddr
, NULL
);
483 SAFE_FREE(ap_req
.data
);
484 krb5_auth_con_free(context
, auth_context
);
485 DEBUG(1,("krb5_auth_con_setaddrs failed (%s)\n", error_message(ret
)));
486 return ADS_ERROR_KRB5(ret
);
489 ret
= build_kpasswd_request(pversion
, context
, auth_context
, &ap_req
,
490 princ
, newpw
, use_tcp
, &chpw_req
);
493 SAFE_FREE(ap_req
.data
);
494 krb5_auth_con_free(context
, auth_context
);
495 DEBUG(1,("build_setpw_request failed (%s)\n", error_message(ret
)));
496 return ADS_ERROR_KRB5(ret
);
499 ret
= write(sock
, chpw_req
.data
, chpw_req
.length
);
501 if (ret
!= chpw_req
.length
) {
503 SAFE_FREE(chpw_req
.data
);
504 SAFE_FREE(ap_req
.data
);
505 krb5_auth_con_free(context
, auth_context
);
506 DEBUG(1,("send of chpw failed (%s)\n", strerror(errno
)));
507 return ADS_ERROR_SYSTEM(errno
);
510 SAFE_FREE(chpw_req
.data
);
512 chpw_rep
.length
= 1500;
513 chpw_rep
.data
= (char *) SMB_MALLOC(chpw_rep
.length
);
514 if (!chpw_rep
.data
) {
516 SAFE_FREE(ap_req
.data
);
517 krb5_auth_con_free(context
, auth_context
);
518 DEBUG(1,("send of chpw failed (%s)\n", strerror(errno
)));
520 return ADS_ERROR_SYSTEM(errno
);
523 ret
= read(sock
, chpw_rep
.data
, chpw_rep
.length
);
526 SAFE_FREE(chpw_rep
.data
);
527 SAFE_FREE(ap_req
.data
);
528 krb5_auth_con_free(context
, auth_context
);
529 DEBUG(1,("recv of chpw reply failed (%s)\n", strerror(errno
)));
530 return ADS_ERROR_SYSTEM(errno
);
534 chpw_rep
.length
= ret
;
536 ret
= krb5_auth_con_setaddrs(context
, auth_context
, NULL
,&remote_kaddr
);
538 SAFE_FREE(chpw_rep
.data
);
539 SAFE_FREE(ap_req
.data
);
540 krb5_auth_con_free(context
, auth_context
);
541 DEBUG(1,("krb5_auth_con_setaddrs on reply failed (%s)\n",
542 error_message(ret
)));
543 return ADS_ERROR_KRB5(ret
);
546 ret
= parse_setpw_reply(context
, use_tcp
, auth_context
, &chpw_rep
);
547 SAFE_FREE(chpw_rep
.data
);
551 if (ret
== KRB5KRB_ERR_RESPONSE_TOO_BIG
&& !use_tcp
) {
552 DEBUG(5, ("Trying setpw with TCP!!!\n"));
557 SAFE_FREE(ap_req
.data
);
558 krb5_auth_con_free(context
, auth_context
);
559 DEBUG(1,("parse_setpw_reply failed (%s)\n",
560 error_message(ret
)));
561 return ADS_ERROR_KRB5(ret
);
564 SAFE_FREE(ap_req
.data
);
565 krb5_auth_con_free(context
, auth_context
);
571 ADS_STATUS
ads_krb5_set_password(const char *kdc_host
, const char *princ
,
572 const char *newpw
, int time_offset
)
576 krb5_error_code ret
= 0;
577 krb5_context context
= NULL
;
578 const char *realm
= NULL
;
579 unsigned int realm_len
= 0;
580 krb5_creds creds
, *credsp
= NULL
;
581 krb5_ccache ccache
= NULL
;
585 initialize_krb5_error_table();
586 ret
= krb5_init_context(&context
);
588 DEBUG(1,("Failed to init krb5 context (%s)\n", error_message(ret
)));
589 return ADS_ERROR_KRB5(ret
);
592 if (time_offset
!= 0) {
593 krb5_set_real_time(context
, time(NULL
) + time_offset
, 0);
596 ret
= krb5_cc_default(context
, &ccache
);
598 krb5_free_context(context
);
599 DEBUG(1,("Failed to get default creds (%s)\n", error_message(ret
)));
600 return ADS_ERROR_KRB5(ret
);
603 ret
= krb5_cc_get_principal(context
, ccache
, &creds
.client
);
605 krb5_cc_close(context
, ccache
);
606 krb5_free_context(context
);
607 DEBUG(1,("Failed to get principal from ccache (%s)\n",
608 error_message(ret
)));
609 return ADS_ERROR_KRB5(ret
);
612 realm
= smb_krb5_principal_get_realm(context
, creds
.client
);
613 realm_len
= strlen(realm
);
614 ret
= krb5_build_principal(context
,
617 realm
, "kadmin", "changepw", NULL
);
619 ret
= krb5_get_credentials(context
, 0, ccache
, &creds
, &credsp
);
621 krb5_cc_close(context
, ccache
);
622 krb5_free_principal(context
, creds
.client
);
623 krb5_free_principal(context
, creds
.server
);
624 krb5_free_context(context
);
625 DEBUG(1,("krb5_build_prinipal_ext (%s)\n", error_message(ret
)));
626 return ADS_ERROR_KRB5(ret
);
629 ret
= krb5_get_credentials(context
, 0, ccache
, &creds
, &credsp
);
631 krb5_cc_close(context
, ccache
);
632 krb5_free_principal(context
, creds
.client
);
633 krb5_free_principal(context
, creds
.server
);
634 krb5_free_context(context
);
635 DEBUG(1,("krb5_get_credentials failed (%s)\n", error_message(ret
)));
636 return ADS_ERROR_KRB5(ret
);
639 /* we might have to call krb5_free_creds(...) from now on ... */
641 aret
= do_krb5_kpasswd_request(context
, kdc_host
,
642 KRB5_KPASSWD_VERS_SETPW
,
643 credsp
, princ
, newpw
);
645 krb5_free_creds(context
, credsp
);
646 krb5_free_principal(context
, creds
.client
);
647 krb5_free_principal(context
, creds
.server
);
648 krb5_cc_close(context
, ccache
);
649 krb5_free_context(context
);
655 we use a prompter to avoid a crash bug in the kerberos libs when
656 dealing with empty passwords
657 this prompter is just a string copy ...
659 static krb5_error_code
660 kerb_prompter(krb5_context ctx
, void *data
,
664 krb5_prompt prompts
[])
666 if (num_prompts
== 0) return 0;
668 memset(prompts
[0].reply
->data
, 0, prompts
[0].reply
->length
);
669 if (prompts
[0].reply
->length
> 0) {
671 strncpy((char *)prompts
[0].reply
->data
,
673 prompts
[0].reply
->length
-1);
674 prompts
[0].reply
->length
= strlen((const char *)prompts
[0].reply
->data
);
676 prompts
[0].reply
->length
= 0;
682 static ADS_STATUS
ads_krb5_chg_password(const char *kdc_host
,
683 const char *principal
,
690 krb5_context context
= NULL
;
691 krb5_principal princ
;
692 krb5_get_init_creds_opt opts
;
694 char *chpw_princ
= NULL
, *password
;
695 const char *realm
= NULL
;
697 initialize_krb5_error_table();
698 ret
= krb5_init_context(&context
);
700 DEBUG(1,("Failed to init krb5 context (%s)\n", error_message(ret
)));
701 return ADS_ERROR_KRB5(ret
);
704 if ((ret
= smb_krb5_parse_name(context
, principal
,
706 krb5_free_context(context
);
707 DEBUG(1,("Failed to parse %s (%s)\n", principal
, error_message(ret
)));
708 return ADS_ERROR_KRB5(ret
);
711 krb5_get_init_creds_opt_init(&opts
);
712 krb5_get_init_creds_opt_set_tkt_life(&opts
, 5*60);
713 krb5_get_init_creds_opt_set_renew_life(&opts
, 0);
714 krb5_get_init_creds_opt_set_forwardable(&opts
, 0);
715 krb5_get_init_creds_opt_set_proxiable(&opts
, 0);
717 realm
= smb_krb5_principal_get_realm(context
, princ
);
719 /* We have to obtain an INITIAL changepw ticket for changing password */
720 if (asprintf(&chpw_princ
, "kadmin/changepw@%s", realm
) == -1) {
721 krb5_free_context(context
);
722 DEBUG(1,("ads_krb5_chg_password: asprintf fail\n"));
723 return ADS_ERROR_NT(NT_STATUS_NO_MEMORY
);
726 password
= SMB_STRDUP(oldpw
);
727 ret
= krb5_get_init_creds_password(context
, &creds
, princ
, password
,
729 0, chpw_princ
, &opts
);
730 SAFE_FREE(chpw_princ
);
734 if (ret
== KRB5KRB_AP_ERR_BAD_INTEGRITY
)
735 DEBUG(1,("Password incorrect while getting initial ticket"));
737 DEBUG(1,("krb5_get_init_creds_password failed (%s)\n", error_message(ret
)));
739 krb5_free_principal(context
, princ
);
740 krb5_free_context(context
);
741 return ADS_ERROR_KRB5(ret
);
744 aret
= do_krb5_kpasswd_request(context
, kdc_host
,
745 KRB5_KPASSWD_VERS_CHANGEPW
,
746 &creds
, principal
, newpw
);
748 krb5_free_principal(context
, princ
);
749 krb5_free_context(context
);
755 ADS_STATUS
kerberos_set_password(const char *kpasswd_server
,
756 const char *auth_principal
, const char *auth_password
,
757 const char *target_principal
, const char *new_password
,
762 if ((ret
= kerberos_kinit_password(auth_principal
, auth_password
, time_offset
, NULL
))) {
763 DEBUG(1,("Failed kinit for principal %s (%s)\n", auth_principal
, error_message(ret
)));
764 return ADS_ERROR_KRB5(ret
);
767 if (!strcmp(auth_principal
, target_principal
))
768 return ads_krb5_chg_password(kpasswd_server
, target_principal
,
769 auth_password
, new_password
, time_offset
);
771 return ads_krb5_set_password(kpasswd_server
, target_principal
,
772 new_password
, time_offset
);