2 Unix SMB/CIFS implementation.
4 Copyright (C) Stefan Metzmacher 2004
5 Copyright (C) Andrew Bartlett <abartlet@samba.org> 2005
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/>.
22 #include "libnet/libnet.h"
23 #include "libcli/auth/libcli_auth.h"
24 #include "librpc/gen_ndr/ndr_samr_c.h"
25 #include "source4/librpc/rpc/dcerpc.h"
26 #include "auth/credentials/credentials.h"
27 #include "libcli/smb/smb_constants.h"
28 #include "librpc/rpc/dcerpc_samr.h"
29 #include "source3/rpc_client/init_samr.h"
30 #include "lib/param/loadparm.h"
31 #include "lib/param/param.h"
33 #include "lib/crypto/gnutls_helpers.h"
34 #include <gnutls/gnutls.h>
35 #include <gnutls/crypto.h>
37 static NTSTATUS libnet_ChangePassword_samr_aes(TALLOC_CTX *mem_ctx,
38 struct dcerpc_binding_handle *h,
39 struct lsa_String *server,
40 struct lsa_String *account,
41 const char *old_password,
42 const char *new_password,
43 const char **error_string)
45 struct samr_ChangePasswordUser4 r;
46 uint8_t old_nt_key_data[16] = {0};
47 gnutls_datum_t old_nt_key = {
48 .data = old_nt_key_data,
49 .size = sizeof(old_nt_key_data),
51 uint8_t cek_data[16] = {0};
54 .length = sizeof(cek_data),
56 struct samr_EncryptedPasswordAES pwd_buf = {
61 .length = sizeof(pwd_buf.salt),
63 gnutls_datum_t salt_datum = {
65 .size = sizeof(pwd_buf.salt),
67 uint64_t pbkdf2_iterations = generate_random_u64_range(5000, 1000000);
71 E_md4hash(old_password, old_nt_key_data);
73 generate_nonce_buffer(salt.data, salt.length);
75 rc = gnutls_pbkdf2(GNUTLS_MAC_SHA512,
81 BURN_DATA(old_nt_key_data);
83 status = gnutls_error_to_ntstatus(rc, NT_STATUS_CRYPTO_SYSTEM_INVALID);
84 if (!NT_STATUS_IS_OK(status)) {
89 status = init_samr_CryptPasswordAES(mem_ctx,
94 data_blob_clear(&cek);
95 if (!NT_STATUS_IS_OK(status)) {
99 pwd_buf.PBKDF2Iterations = pbkdf2_iterations;
101 r.in.server = server;
102 r.in.account = account;
103 r.in.password = &pwd_buf;
105 status = dcerpc_samr_ChangePasswordUser4_r(h, mem_ctx, &r);
106 if (!NT_STATUS_IS_OK(status)) {
109 if (!NT_STATUS_IS_OK(r.out.result)) {
110 status = r.out.result;
111 *error_string = talloc_asprintf(mem_ctx,
112 "samr_ChangePasswordUser4 for "
113 "'%s\\%s' failed: %s",
126 static NTSTATUS libnet_ChangePassword_samr_rc4(TALLOC_CTX *mem_ctx,
127 struct dcerpc_binding_handle *h,
128 struct lsa_String *server,
129 struct lsa_String *account,
130 const char *old_password,
131 const char *new_password,
132 const char **error_string)
134 struct samr_OemChangePasswordUser2 oe2;
135 struct samr_ChangePasswordUser2 pw2;
136 struct samr_ChangePasswordUser3 pw3;
137 struct samr_CryptPassword nt_pass, lm_pass;
138 uint8_t old_nt_hash[16], new_nt_hash[16];
139 uint8_t old_lm_hash[16], new_lm_hash[16];
140 struct samr_Password nt_verifier, lm_verifier;
141 struct lsa_AsciiString a_server, a_account;
142 gnutls_cipher_hd_t cipher_hnd = NULL;
143 gnutls_datum_t nt_session_key = {
145 .size = sizeof(old_nt_hash),
147 gnutls_datum_t lm_session_key = {
149 .size = sizeof(old_lm_hash),
151 struct samr_DomInfo1 *dominfo = NULL;
152 struct userPwdChangeFailureInformation *reject = NULL;
156 E_md4hash(old_password, old_nt_hash);
157 E_md4hash(new_password, new_nt_hash);
159 E_deshash(old_password, old_lm_hash);
160 E_deshash(new_password, new_lm_hash);
162 /* prepare samr_ChangePasswordUser3 */
163 encode_pw_buffer(lm_pass.data, new_password, STR_UNICODE);
165 rc = gnutls_cipher_init(&cipher_hnd,
166 GNUTLS_CIPHER_ARCFOUR_128,
170 status = gnutls_error_to_ntstatus(rc, NT_STATUS_CRYPTO_SYSTEM_INVALID);
174 rc = gnutls_cipher_encrypt(cipher_hnd,
177 gnutls_cipher_deinit(cipher_hnd);
179 status = gnutls_error_to_ntstatus(rc, NT_STATUS_CRYPTO_SYSTEM_INVALID);
183 rc = E_old_pw_hash(new_lm_hash, old_lm_hash, lm_verifier.hash);
185 status = gnutls_error_to_ntstatus(rc, NT_STATUS_ACCESS_DISABLED_BY_POLICY_OTHER);
189 encode_pw_buffer(nt_pass.data, new_password, STR_UNICODE);
191 rc = gnutls_cipher_init(&cipher_hnd,
192 GNUTLS_CIPHER_ARCFOUR_128,
196 status = gnutls_error_to_ntstatus(rc, NT_STATUS_CRYPTO_SYSTEM_INVALID);
200 rc = gnutls_cipher_encrypt(cipher_hnd,
203 gnutls_cipher_deinit(cipher_hnd);
205 status = gnutls_error_to_ntstatus(rc, NT_STATUS_CRYPTO_SYSTEM_INVALID);
209 rc = E_old_pw_hash(new_nt_hash, old_nt_hash, nt_verifier.hash);
211 status = gnutls_error_to_ntstatus(rc, NT_STATUS_ACCESS_DISABLED_BY_POLICY_OTHER);
215 pw3.in.server = server;
216 pw3.in.account = account;
217 pw3.in.nt_password = &nt_pass;
218 pw3.in.nt_verifier = &nt_verifier;
219 pw3.in.lm_change = 1;
220 pw3.in.lm_password = &lm_pass;
221 pw3.in.lm_verifier = &lm_verifier;
222 pw3.in.password3 = NULL;
223 pw3.out.dominfo = &dominfo;
224 pw3.out.reject = &reject;
226 /* 2. try samr_ChangePasswordUser3 */
227 status = dcerpc_samr_ChangePasswordUser3_r(h, mem_ctx, &pw3);
228 if (!NT_STATUS_EQUAL(status, NT_STATUS_RPC_PROCNUM_OUT_OF_RANGE)) {
229 if (NT_STATUS_IS_OK(status) && !NT_STATUS_IS_OK(pw3.out.result)) {
230 status = pw3.out.result;
232 if (!NT_STATUS_IS_OK(status)) {
233 *error_string = talloc_asprintf(
235 "samr_ChangePasswordUser3 failed: %s",
238 talloc_asprintf(mem_ctx,
239 "samr_ChangePasswordUser3 for "
240 "'%s\\%s' failed: %s",
248 /* prepare samr_ChangePasswordUser2 */
249 encode_pw_buffer(lm_pass.data, new_password, STR_ASCII | STR_TERMINATE);
251 rc = gnutls_cipher_init(&cipher_hnd,
252 GNUTLS_CIPHER_ARCFOUR_128,
256 status = gnutls_error_to_ntstatus(rc, NT_STATUS_CRYPTO_SYSTEM_INVALID);
260 rc = gnutls_cipher_encrypt(cipher_hnd,
263 gnutls_cipher_deinit(cipher_hnd);
265 status = gnutls_error_to_ntstatus(rc, NT_STATUS_CRYPTO_SYSTEM_INVALID);
269 rc = E_old_pw_hash(new_lm_hash, old_lm_hash, lm_verifier.hash);
271 status = gnutls_error_to_ntstatus(rc, NT_STATUS_ACCESS_DISABLED_BY_POLICY_OTHER);
275 encode_pw_buffer(nt_pass.data, new_password, STR_UNICODE);
277 rc = gnutls_cipher_init(&cipher_hnd,
278 GNUTLS_CIPHER_ARCFOUR_128,
282 status = gnutls_error_to_ntstatus(rc, NT_STATUS_CRYPTO_SYSTEM_INVALID);
285 rc = gnutls_cipher_encrypt(cipher_hnd,
288 gnutls_cipher_deinit(cipher_hnd);
290 status = gnutls_error_to_ntstatus(rc, NT_STATUS_CRYPTO_SYSTEM_INVALID);
294 rc = E_old_pw_hash(new_nt_hash, old_nt_hash, nt_verifier.hash);
296 status = gnutls_error_to_ntstatus(rc, NT_STATUS_ACCESS_DISABLED_BY_POLICY_OTHER);
300 pw2.in.server = server;
301 pw2.in.account = account;
302 pw2.in.nt_password = &nt_pass;
303 pw2.in.nt_verifier = &nt_verifier;
304 pw2.in.lm_change = 1;
305 pw2.in.lm_password = &lm_pass;
306 pw2.in.lm_verifier = &lm_verifier;
308 /* 3. try samr_ChangePasswordUser2 */
309 status = dcerpc_samr_ChangePasswordUser2_r(h, mem_ctx, &pw2);
310 if (!NT_STATUS_EQUAL(status, NT_STATUS_RPC_PROCNUM_OUT_OF_RANGE)) {
311 if (NT_STATUS_IS_OK(status) && !NT_STATUS_IS_OK(pw2.out.result)) {
312 status = pw2.out.result;
314 if (!NT_STATUS_IS_OK(status)) {
316 talloc_asprintf(mem_ctx,
317 "samr_ChangePasswordUser2 for "
318 "'%s\\%s' failed: %s",
327 /* prepare samr_OemChangePasswordUser2 */
328 a_server.string = server->string;
329 a_account.string = account->string;
331 encode_pw_buffer(lm_pass.data, new_password, STR_ASCII);
333 rc = gnutls_cipher_init(&cipher_hnd,
334 GNUTLS_CIPHER_ARCFOUR_128,
338 status = gnutls_error_to_ntstatus(rc, NT_STATUS_CRYPTO_SYSTEM_INVALID);
342 rc = gnutls_cipher_encrypt(cipher_hnd,
345 gnutls_cipher_deinit(cipher_hnd);
347 status = gnutls_error_to_ntstatus(rc, NT_STATUS_CRYPTO_SYSTEM_INVALID);
351 rc = E_old_pw_hash(new_lm_hash, old_lm_hash, lm_verifier.hash);
353 status = gnutls_error_to_ntstatus(rc, NT_STATUS_ACCESS_DISABLED_BY_POLICY_OTHER);
357 oe2.in.server = &a_server;
358 oe2.in.account = &a_account;
359 oe2.in.password = &lm_pass;
360 oe2.in.hash = &lm_verifier;
362 /* 4. try samr_OemChangePasswordUser2 */
363 status = dcerpc_samr_OemChangePasswordUser2_r(h, mem_ctx, &oe2);
364 if (!NT_STATUS_EQUAL(status, NT_STATUS_RPC_PROCNUM_OUT_OF_RANGE)) {
365 if (NT_STATUS_IS_OK(status) && !NT_STATUS_IS_OK(oe2.out.result)) {
366 status = oe2.out.result;
368 if (!NT_STATUS_IS_OK(oe2.out.result)) {
370 talloc_asprintf(mem_ctx,
371 "samr_OemChangePasswordUser2 "
372 "for '%s\\%s' failed: %s",
380 status = NT_STATUS_OK;
386 * do a password change using DCERPC/SAMR calls
387 * 1. connect to the SAMR pipe of users domain PDC (maybe a standalone server or workstation)
388 * 2. try samr_ChangePasswordUser3
389 * 3. try samr_ChangePasswordUser2
390 * 4. try samr_OemChangePasswordUser2
392 static NTSTATUS libnet_ChangePassword_samr(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, union libnet_ChangePassword *r)
395 struct libnet_RpcConnect c;
396 struct lsa_String server, account;
400 /* prepare connect to the SAMR pipe of the users domain PDC */
401 c.level = LIBNET_RPC_CONNECT_PDC;
402 c.in.name = r->samr.in.domain_name;
403 c.in.dcerpc_iface = &ndr_table_samr;
404 c.in.dcerpc_flags = DCERPC_ANON_FALLBACK;
406 /* 1. connect to the SAMR pipe of users domain PDC (maybe a standalone server or workstation) */
407 status = libnet_RpcConnect(ctx, mem_ctx, &c);
408 if (!NT_STATUS_IS_OK(status)) {
409 r->samr.out.error_string = talloc_asprintf(mem_ctx,
410 "Connection to SAMR pipe of PDC of domain '%s' failed: %s",
411 r->samr.in.domain_name, nt_errstr(status));
415 /* prepare password change for account */
416 server.string = talloc_asprintf(mem_ctx, "\\\\%s", dcerpc_server_name(c.out.dcerpc_pipe));
417 account.string = r->samr.in.account_name;
419 status = libnet_ChangePassword_samr_aes(
421 c.out.dcerpc_pipe->binding_handle,
424 r->samr.in.oldpassword,
425 r->samr.in.newpassword,
426 &(r->samr.out.error_string));
427 if (NT_STATUS_IS_OK(status)) {
429 } else if (NT_STATUS_EQUAL(status,
430 NT_STATUS_RPC_PROCNUM_OUT_OF_RANGE) ||
431 NT_STATUS_EQUAL(status, NT_STATUS_NOT_SUPPORTED) ||
432 NT_STATUS_EQUAL(status, NT_STATUS_NOT_IMPLEMENTED)) {
434 * Don't fallback to RC4 based SAMR if weak crypto is not
437 if (lpcfg_weak_crypto(ctx->lp_ctx) ==
438 SAMBA_WEAK_CRYPTO_DISALLOWED) {
442 /* libnet_ChangePassword_samr_aes is implemented and failed */
446 status = libnet_ChangePassword_samr_rc4(
448 c.out.dcerpc_pipe->binding_handle,
451 r->samr.in.oldpassword,
452 r->samr.in.newpassword,
453 &(r->samr.out.error_string));
454 if (!NT_STATUS_IS_OK(status)) {
459 /* close connection */
460 talloc_unlink(ctx, c.out.dcerpc_pipe);
465 static NTSTATUS libnet_ChangePassword_generic(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, union libnet_ChangePassword *r)
468 union libnet_ChangePassword r2;
470 r2.samr.level = LIBNET_CHANGE_PASSWORD_SAMR;
471 r2.samr.in.account_name = r->generic.in.account_name;
472 r2.samr.in.domain_name = r->generic.in.domain_name;
473 r2.samr.in.oldpassword = r->generic.in.oldpassword;
474 r2.samr.in.newpassword = r->generic.in.newpassword;
476 status = libnet_ChangePassword(ctx, mem_ctx, &r2);
478 r->generic.out.error_string = r2.samr.out.error_string;
483 NTSTATUS libnet_ChangePassword(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, union libnet_ChangePassword *r)
485 switch (r->generic.level) {
486 case LIBNET_CHANGE_PASSWORD_GENERIC:
487 return libnet_ChangePassword_generic(ctx, mem_ctx, r);
488 case LIBNET_CHANGE_PASSWORD_SAMR:
489 return libnet_ChangePassword_samr(ctx, mem_ctx, r);
490 case LIBNET_CHANGE_PASSWORD_KRB5:
491 return NT_STATUS_NOT_IMPLEMENTED;
492 case LIBNET_CHANGE_PASSWORD_LDAP:
493 return NT_STATUS_NOT_IMPLEMENTED;
494 case LIBNET_CHANGE_PASSWORD_RAP:
495 return NT_STATUS_NOT_IMPLEMENTED;
498 return NT_STATUS_INVALID_LEVEL;
501 static NTSTATUS libnet_SetPassword_samr_handle_26(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, union libnet_SetPassword *r)
504 struct samr_SetUserInfo2 sui;
505 union samr_UserInfo u_info;
506 DATA_BLOB session_key;
508 if (r->samr_handle.in.info21) {
509 return NT_STATUS_INVALID_PARAMETER_MIX;
512 /* prepare samr_SetUserInfo2 level 26 */
514 u_info.info26.password_expired = 0;
516 status = dcerpc_fetch_session_key(r->samr_handle.in.dcerpc_pipe, &session_key);
517 if (!NT_STATUS_IS_OK(status)) {
518 r->samr_handle.out.error_string = talloc_asprintf(mem_ctx,
519 "dcerpc_fetch_session_key failed: %s",
524 status = encode_rc4_passwd_buffer(r->samr_handle.in.newpassword,
526 &u_info.info26.password);
527 if (!NT_STATUS_IS_OK(status)) {
528 r->samr_handle.out.error_string =
529 talloc_asprintf(mem_ctx,
530 "encode_rc4_passwd_buffer failed: %s",
535 sui.in.user_handle = r->samr_handle.in.user_handle;
536 sui.in.info = &u_info;
539 /* 7. try samr_SetUserInfo2 level 26 to set the password */
540 status = dcerpc_samr_SetUserInfo2_r(r->samr_handle.in.dcerpc_pipe->binding_handle, mem_ctx, &sui);
541 /* check result of samr_SetUserInfo2 level 26 */
542 if (NT_STATUS_IS_OK(status) && !NT_STATUS_IS_OK(sui.out.result)) {
543 status = sui.out.result;
545 if (!NT_STATUS_IS_OK(status)) {
546 r->samr_handle.out.error_string
547 = talloc_asprintf(mem_ctx,
548 "SetUserInfo2 level 26 for [%s] failed: %s",
549 r->samr_handle.in.account_name, nt_errstr(status));
555 static NTSTATUS libnet_SetPassword_samr_handle_25(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, union libnet_SetPassword *r)
558 struct samr_SetUserInfo2 sui;
559 union samr_UserInfo u_info;
560 DATA_BLOB session_key;
562 if (!r->samr_handle.in.info21) {
563 return NT_STATUS_INVALID_PARAMETER_MIX;
566 /* prepare samr_SetUserInfo2 level 25 */
568 u_info.info25.info = *r->samr_handle.in.info21;
569 u_info.info25.info.fields_present |= SAMR_FIELD_NT_PASSWORD_PRESENT;
571 status = dcerpc_fetch_session_key(r->samr_handle.in.dcerpc_pipe, &session_key);
572 if (!NT_STATUS_IS_OK(status)) {
573 r->samr_handle.out.error_string = talloc_asprintf(mem_ctx,
574 "dcerpc_fetch_session_key failed: %s",
579 status = encode_rc4_passwd_buffer(r->samr_handle.in.newpassword,
581 &u_info.info25.password);
582 if (!NT_STATUS_IS_OK(status)) {
583 r->samr_handle.out.error_string =
584 talloc_asprintf(mem_ctx,
585 "encode_rc4_passwd_buffer failed: %s",
591 sui.in.user_handle = r->samr_handle.in.user_handle;
592 sui.in.info = &u_info;
595 /* 8. try samr_SetUserInfo2 level 25 to set the password */
596 status = dcerpc_samr_SetUserInfo2_r(r->samr_handle.in.dcerpc_pipe->binding_handle, mem_ctx, &sui);
597 if (NT_STATUS_IS_OK(status) && !NT_STATUS_IS_OK(sui.out.result)) {
598 status = sui.out.result;
600 if (!NT_STATUS_IS_OK(status)) {
601 r->samr_handle.out.error_string
602 = talloc_asprintf(mem_ctx,
603 "SetUserInfo2 level 25 for [%s] failed: %s",
604 r->samr_handle.in.account_name, nt_errstr(status));
610 static NTSTATUS libnet_SetPassword_samr_handle_24(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, union libnet_SetPassword *r)
613 struct samr_SetUserInfo2 sui;
614 union samr_UserInfo u_info;
615 DATA_BLOB session_key;
616 gnutls_cipher_hd_t cipher_hnd = NULL;
617 gnutls_datum_t enc_session_key;
620 if (r->samr_handle.in.info21) {
621 return NT_STATUS_INVALID_PARAMETER_MIX;
624 /* prepare samr_SetUserInfo2 level 24 */
626 encode_pw_buffer(u_info.info24.password.data, r->samr_handle.in.newpassword, STR_UNICODE);
627 u_info.info24.password_expired = 0;
629 status = dcerpc_fetch_session_key(r->samr_handle.in.dcerpc_pipe, &session_key);
630 if (!NT_STATUS_IS_OK(status)) {
631 r->samr_handle.out.error_string = talloc_asprintf(mem_ctx,
632 "dcerpc_fetch_session_key failed: %s",
637 enc_session_key = (gnutls_datum_t) {
638 .data = session_key.data,
639 .size = session_key.length,
642 rc = gnutls_cipher_init(&cipher_hnd,
643 GNUTLS_CIPHER_ARCFOUR_128,
647 status = gnutls_error_to_ntstatus(rc, NT_STATUS_CRYPTO_SYSTEM_INVALID);
651 rc = gnutls_cipher_encrypt(cipher_hnd,
652 u_info.info24.password.data,
654 gnutls_cipher_deinit(cipher_hnd);
656 status = gnutls_error_to_ntstatus(rc, NT_STATUS_CRYPTO_SYSTEM_INVALID);
660 sui.in.user_handle = r->samr_handle.in.user_handle;
661 sui.in.info = &u_info;
664 /* 9. try samr_SetUserInfo2 level 24 to set the password */
665 status = dcerpc_samr_SetUserInfo2_r(r->samr_handle.in.dcerpc_pipe->binding_handle, mem_ctx, &sui);
666 if (NT_STATUS_IS_OK(status) && !NT_STATUS_IS_OK(sui.out.result)) {
667 status = sui.out.result;
669 if (!NT_STATUS_IS_OK(status)) {
670 r->samr_handle.out.error_string
671 = talloc_asprintf(mem_ctx,
672 "SetUserInfo2 level 24 for [%s] failed: %s",
673 r->samr_handle.in.account_name, nt_errstr(status));
677 data_blob_clear(&session_key);
681 static NTSTATUS libnet_SetPassword_samr_handle_23(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, union libnet_SetPassword *r)
684 struct samr_SetUserInfo2 sui;
685 union samr_UserInfo u_info;
686 DATA_BLOB session_key;
687 gnutls_cipher_hd_t cipher_hnd = NULL;
688 gnutls_datum_t _session_key;
691 if (!r->samr_handle.in.info21) {
692 return NT_STATUS_INVALID_PARAMETER_MIX;
695 /* prepare samr_SetUserInfo2 level 23 */
697 u_info.info23.info = *r->samr_handle.in.info21;
698 u_info.info23.info.fields_present |= SAMR_FIELD_NT_PASSWORD_PRESENT;
699 encode_pw_buffer(u_info.info23.password.data, r->samr_handle.in.newpassword, STR_UNICODE);
701 status = dcerpc_fetch_session_key(r->samr_handle.in.dcerpc_pipe, &session_key);
702 if (!NT_STATUS_IS_OK(status)) {
703 r->samr_handle.out.error_string
704 = talloc_asprintf(mem_ctx,
705 "dcerpc_fetch_session_key failed: %s",
710 _session_key = (gnutls_datum_t) {
711 .data = session_key.data,
712 .size = session_key.length,
715 rc = gnutls_cipher_init(&cipher_hnd,
716 GNUTLS_CIPHER_ARCFOUR_128,
720 status = gnutls_error_to_ntstatus(rc, NT_STATUS_CRYPTO_SYSTEM_INVALID);
724 rc = gnutls_cipher_encrypt(cipher_hnd,
725 u_info.info23.password.data,
727 data_blob_clear_free(&session_key);
728 gnutls_cipher_deinit(cipher_hnd);
730 status = gnutls_error_to_ntstatus(rc, NT_STATUS_CRYPTO_SYSTEM_INVALID);
734 sui.in.user_handle = r->samr_handle.in.user_handle;
735 sui.in.info = &u_info;
738 /* 10. try samr_SetUserInfo2 level 23 to set the password */
739 status = dcerpc_samr_SetUserInfo2_r(r->samr_handle.in.dcerpc_pipe->binding_handle, mem_ctx, &sui);
740 if (NT_STATUS_IS_OK(status) && !NT_STATUS_IS_OK(sui.out.result)) {
741 status = sui.out.result;
743 if (!NT_STATUS_IS_OK(status)) {
744 r->samr_handle.out.error_string
745 = talloc_asprintf(mem_ctx,
746 "SetUserInfo2 level 23 for [%s] failed: %s",
747 r->samr_handle.in.account_name, nt_errstr(status));
754 static NTSTATUS libnet_SetPassword_samr_handle_18(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, union libnet_SetPassword *r)
757 struct samr_SetUserInfo2 sui;
758 union samr_UserInfo u_info;
759 struct samr_Password ntpwd;
762 DATA_BLOB session_key;
765 if (r->samr_handle.in.info21) {
766 return NT_STATUS_INVALID_PARAMETER_MIX;
769 /* prepare samr_SetUserInfo2 level 18 (nt_hash) */
771 E_md4hash(r->samr_handle.in.newpassword, ntpwd.hash);
772 ntpwd_in = data_blob_const(ntpwd.hash, sizeof(ntpwd.hash));
773 ntpwd_out = data_blob_const(u_info.info18.nt_pwd.hash,
774 sizeof(u_info.info18.nt_pwd.hash));
775 u_info.info18.nt_pwd_active = 1;
776 u_info.info18.password_expired = 0;
778 status = dcerpc_fetch_session_key(r->samr_handle.in.dcerpc_pipe, &session_key);
779 if (!NT_STATUS_IS_OK(status)) {
780 r->samr_handle.out.error_string = talloc_asprintf(mem_ctx,
781 "dcerpc_fetch_session_key failed: %s",
786 rc = sess_crypt_blob(&ntpwd_out, &ntpwd_in,
787 &session_key, SAMBA_GNUTLS_ENCRYPT);
789 status = gnutls_error_to_ntstatus(rc, NT_STATUS_CRYPTO_SYSTEM_INVALID);
793 sui.in.user_handle = r->samr_handle.in.user_handle;
794 sui.in.info = &u_info;
797 /* 9. try samr_SetUserInfo2 level 18 to set the password */
798 status = dcerpc_samr_SetUserInfo2_r(r->samr_handle.in.dcerpc_pipe->binding_handle, mem_ctx, &sui);
799 if (NT_STATUS_IS_OK(status) && !NT_STATUS_IS_OK(sui.out.result)) {
800 status = sui.out.result;
802 if (!NT_STATUS_IS_OK(status)) {
803 r->samr_handle.out.error_string
804 = talloc_asprintf(mem_ctx,
805 "SetUserInfo2 level 18 for [%s] failed: %s",
806 r->samr_handle.in.account_name, nt_errstr(status));
810 data_blob_clear(&session_key);
815 * 1. try samr_SetUserInfo2 level 26 to set the password
816 * 2. try samr_SetUserInfo2 level 25 to set the password
817 * 3. try samr_SetUserInfo2 level 24 to set the password
818 * 4. try samr_SetUserInfo2 level 23 to set the password
820 static NTSTATUS libnet_SetPassword_samr_handle(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, union libnet_SetPassword *r)
824 enum libnet_SetPassword_level levels[] = {
825 LIBNET_SET_PASSWORD_SAMR_HANDLE_26,
826 LIBNET_SET_PASSWORD_SAMR_HANDLE_25,
827 LIBNET_SET_PASSWORD_SAMR_HANDLE_24,
828 LIBNET_SET_PASSWORD_SAMR_HANDLE_23,
832 if (r->samr_handle.samr_level != 0) {
833 r->generic.level = r->samr_handle.samr_level;
834 return libnet_SetPassword(ctx, mem_ctx, r);
837 for (i=0; i < ARRAY_SIZE(levels); i++) {
838 r->generic.level = levels[i];
839 status = libnet_SetPassword(ctx, mem_ctx, r);
840 if (NT_STATUS_EQUAL(status, NT_STATUS_INVALID_INFO_CLASS)
841 || NT_STATUS_EQUAL(status, NT_STATUS_INVALID_PARAMETER_MIX)
842 || NT_STATUS_EQUAL(status, NT_STATUS_RPC_ENUM_VALUE_OUT_OF_RANGE)) {
843 /* Try another password set mechanism */
852 * set a password with DCERPC/SAMR calls
853 * 1. connect to the SAMR pipe of users domain PDC (maybe a standalone server or workstation)
854 * is it correct to contact the the pdc of the domain of the user who's password should be set?
855 * 2. do a samr_Connect to get a policy handle
856 * 3. do a samr_LookupDomain to get the domain sid
857 * 4. do a samr_OpenDomain to get a domain handle
858 * 5. do a samr_LookupNames to get the users rid
859 * 6. do a samr_OpenUser to get a user handle
860 * 7 call libnet_SetPassword_samr_handle to set the password
862 static NTSTATUS libnet_SetPassword_samr(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, union libnet_SetPassword *r)
865 struct libnet_RpcConnect c;
866 struct samr_Connect sc;
867 struct policy_handle p_handle;
868 struct samr_LookupDomain ld;
869 struct dom_sid2 *sid = NULL;
870 struct lsa_String d_name;
871 struct samr_OpenDomain od;
872 struct policy_handle d_handle;
873 struct samr_LookupNames ln;
874 struct samr_Ids rids, types;
875 struct samr_OpenUser ou;
876 struct policy_handle u_handle;
877 union libnet_SetPassword r2;
880 /* prepare connect to the SAMR pipe of users domain PDC */
881 c.level = LIBNET_RPC_CONNECT_PDC;
882 c.in.name = r->samr.in.domain_name;
883 c.in.dcerpc_iface = &ndr_table_samr;
885 /* 1. connect to the SAMR pipe of users domain PDC (maybe a standalone server or workstation) */
886 status = libnet_RpcConnect(ctx, mem_ctx, &c);
887 if (!NT_STATUS_IS_OK(status)) {
888 r->samr.out.error_string = talloc_asprintf(mem_ctx,
889 "Connection to SAMR pipe of PDC of domain '%s' failed: %s",
890 r->samr.in.domain_name, nt_errstr(status));
894 /* prepare samr_Connect */
895 ZERO_STRUCT(p_handle);
896 sc.in.system_name = NULL;
897 sc.in.access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
898 sc.out.connect_handle = &p_handle;
900 /* 2. do a samr_Connect to get a policy handle */
901 status = dcerpc_samr_Connect_r(c.out.dcerpc_pipe->binding_handle, mem_ctx, &sc);
902 if (NT_STATUS_IS_OK(status) && !NT_STATUS_IS_OK(sc.out.result)) {
903 status = sc.out.result;
905 if (!NT_STATUS_IS_OK(status)) {
906 r->samr.out.error_string = talloc_asprintf(mem_ctx,
907 "samr_Connect failed: %s",
912 /* prepare samr_LookupDomain */
913 d_name.string = r->samr.in.domain_name;
914 ld.in.connect_handle = &p_handle;
915 ld.in.domain_name = &d_name;
918 /* 3. do a samr_LookupDomain to get the domain sid */
919 status = dcerpc_samr_LookupDomain_r(c.out.dcerpc_pipe->binding_handle, mem_ctx, &ld);
920 if (NT_STATUS_IS_OK(status) && !NT_STATUS_IS_OK(ld.out.result)) {
921 status = ld.out.result;
923 if (!NT_STATUS_IS_OK(status)) {
924 r->samr.out.error_string = talloc_asprintf(mem_ctx,
925 "samr_LookupDomain for [%s] failed: %s",
926 r->samr.in.domain_name, nt_errstr(status));
930 /* prepare samr_OpenDomain */
931 ZERO_STRUCT(d_handle);
932 od.in.connect_handle = &p_handle;
933 od.in.access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
934 od.in.sid = *ld.out.sid;
935 od.out.domain_handle = &d_handle;
937 /* 4. do a samr_OpenDomain to get a domain handle */
938 status = dcerpc_samr_OpenDomain_r(c.out.dcerpc_pipe->binding_handle, mem_ctx, &od);
939 if (NT_STATUS_IS_OK(status) && !NT_STATUS_IS_OK(od.out.result)) {
940 status = od.out.result;
942 if (!NT_STATUS_IS_OK(status)) {
943 r->samr.out.error_string = talloc_asprintf(mem_ctx,
944 "samr_OpenDomain for [%s] failed: %s",
945 r->samr.in.domain_name, nt_errstr(status));
949 /* prepare samr_LookupNames */
950 ln.in.domain_handle = &d_handle;
952 ln.in.names = talloc_array(mem_ctx, struct lsa_String, 1);
954 ln.out.types = &types;
956 r->samr.out.error_string = "Out of Memory";
957 return NT_STATUS_NO_MEMORY;
959 ln.in.names[0].string = r->samr.in.account_name;
961 /* 5. do a samr_LookupNames to get the users rid */
962 status = dcerpc_samr_LookupNames_r(c.out.dcerpc_pipe->binding_handle, mem_ctx, &ln);
963 if (NT_STATUS_IS_OK(status) && !NT_STATUS_IS_OK(ln.out.result)) {
964 status = ln.out.result;
966 if (!NT_STATUS_IS_OK(status)) {
967 r->samr.out.error_string = talloc_asprintf(mem_ctx,
968 "samr_LookupNames for [%s] failed: %s",
969 r->samr.in.account_name, nt_errstr(status));
973 /* check if we got one RID for the user */
974 if (ln.out.rids->count != 1) {
975 r->samr.out.error_string = talloc_asprintf(mem_ctx,
976 "samr_LookupNames for [%s] returns %d RIDs",
977 r->samr.in.account_name, ln.out.rids->count);
978 status = NT_STATUS_INVALID_NETWORK_RESPONSE;
982 if (ln.out.types->count != 1) {
983 r->samr.out.error_string = talloc_asprintf(mem_ctx,
984 "samr_LookupNames for [%s] returns %d RID TYPEs",
985 r->samr.in.account_name, ln.out.types->count);
986 status = NT_STATUS_INVALID_NETWORK_RESPONSE;
990 /* prepare samr_OpenUser */
991 ZERO_STRUCT(u_handle);
992 ou.in.domain_handle = &d_handle;
993 ou.in.access_mask = SEC_FLAG_MAXIMUM_ALLOWED;
994 ou.in.rid = ln.out.rids->ids[0];
995 ou.out.user_handle = &u_handle;
997 /* 6. do a samr_OpenUser to get a user handle */
998 status = dcerpc_samr_OpenUser_r(c.out.dcerpc_pipe->binding_handle, mem_ctx, &ou);
999 if (NT_STATUS_IS_OK(status) && !NT_STATUS_IS_OK(ou.out.result)) {
1000 status = ou.out.result;
1002 if (!NT_STATUS_IS_OK(status)) {
1003 r->samr.out.error_string = talloc_asprintf(mem_ctx,
1004 "samr_OpenUser for [%s] failed: %s",
1005 r->samr.in.account_name, nt_errstr(status));
1010 r2.samr_handle.level = LIBNET_SET_PASSWORD_SAMR_HANDLE;
1011 r2.samr_handle.samr_level = r->samr.samr_level;
1012 r2.samr_handle.in.account_name = r->samr.in.account_name;
1013 r2.samr_handle.in.newpassword = r->samr.in.newpassword;
1014 r2.samr_handle.in.user_handle = &u_handle;
1015 r2.samr_handle.in.dcerpc_pipe = c.out.dcerpc_pipe;
1016 r2.samr_handle.in.info21 = NULL;
1018 status = libnet_SetPassword(ctx, mem_ctx, &r2);
1020 r->generic.out.error_string = r2.samr_handle.out.error_string;
1023 /* close connection */
1024 talloc_unlink(ctx, c.out.dcerpc_pipe);
1029 static NTSTATUS libnet_SetPassword_generic(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, union libnet_SetPassword *r)
1032 union libnet_SetPassword r2;
1035 r2.samr.level = LIBNET_SET_PASSWORD_SAMR;
1036 r2.samr.samr_level = r->generic.samr_level;
1037 r2.samr.in.account_name = r->generic.in.account_name;
1038 r2.samr.in.domain_name = r->generic.in.domain_name;
1039 r2.samr.in.newpassword = r->generic.in.newpassword;
1041 r->generic.out.error_string = "Unknown Error";
1042 status = libnet_SetPassword(ctx, mem_ctx, &r2);
1044 r->generic.out.error_string = r2.samr.out.error_string;
1049 NTSTATUS libnet_SetPassword(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, union libnet_SetPassword *r)
1051 enum smb_encryption_setting encryption_state =
1052 cli_credentials_get_smb_encryption(ctx->cred);
1053 NTSTATUS status = NT_STATUS_INVALID_LEVEL;
1055 switch (r->generic.level) {
1056 case LIBNET_SET_PASSWORD_GENERIC:
1057 status = libnet_SetPassword_generic(ctx, mem_ctx, r);
1059 case LIBNET_SET_PASSWORD_SAMR:
1060 status = libnet_SetPassword_samr(ctx, mem_ctx, r);
1062 case LIBNET_SET_PASSWORD_SAMR_HANDLE:
1063 status = libnet_SetPassword_samr_handle(ctx, mem_ctx, r);
1065 case LIBNET_SET_PASSWORD_SAMR_HANDLE_26:
1066 if (encryption_state == SMB_ENCRYPTION_REQUIRED) {
1067 GNUTLS_FIPS140_SET_LAX_MODE();
1069 status = libnet_SetPassword_samr_handle_26(ctx, mem_ctx, r);
1071 case LIBNET_SET_PASSWORD_SAMR_HANDLE_25:
1072 if (encryption_state == SMB_ENCRYPTION_REQUIRED) {
1073 GNUTLS_FIPS140_SET_LAX_MODE();
1075 status = libnet_SetPassword_samr_handle_25(ctx, mem_ctx, r);
1077 case LIBNET_SET_PASSWORD_SAMR_HANDLE_24:
1078 if (encryption_state == SMB_ENCRYPTION_REQUIRED) {
1079 GNUTLS_FIPS140_SET_LAX_MODE();
1081 status = libnet_SetPassword_samr_handle_24(ctx, mem_ctx, r);
1083 case LIBNET_SET_PASSWORD_SAMR_HANDLE_23:
1084 if (encryption_state == SMB_ENCRYPTION_REQUIRED) {
1085 GNUTLS_FIPS140_SET_LAX_MODE();
1087 status = libnet_SetPassword_samr_handle_23(ctx, mem_ctx, r);
1089 case LIBNET_SET_PASSWORD_SAMR_HANDLE_18:
1090 if (encryption_state == SMB_ENCRYPTION_REQUIRED) {
1091 GNUTLS_FIPS140_SET_LAX_MODE();
1093 status = libnet_SetPassword_samr_handle_18(ctx, mem_ctx, r);
1095 case LIBNET_SET_PASSWORD_KRB5:
1096 status = NT_STATUS_NOT_IMPLEMENTED;
1098 case LIBNET_SET_PASSWORD_LDAP:
1099 status = NT_STATUS_NOT_IMPLEMENTED;
1101 case LIBNET_SET_PASSWORD_RAP:
1102 status = NT_STATUS_NOT_IMPLEMENTED;
1106 GNUTLS_FIPS140_SET_STRICT_MODE();