2 Unix SMB/CIFS implementation.
4 Copyright (C) Stefan (metze) Metzmacher 2003
5 Copyright (C) Jeremy Allison 2007
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 "libsmb/libsmb.h"
23 #include "../libcli/auth/spnego.h"
24 #include "../libcli/auth/ntlmssp.h"
25 #include "../lib/util/tevent_ntstatus.h"
26 #include "async_smb.h"
27 #include "smb_crypt.h"
30 /****************************************************************************
31 Get UNIX extensions version info.
32 ****************************************************************************/
34 struct cli_unix_extensions_version_state
{
35 struct cli_state
*cli
;
38 uint16_t major
, minor
;
39 uint32_t caplow
, caphigh
;
42 static void cli_unix_extensions_version_done(struct tevent_req
*subreq
);
44 struct tevent_req
*cli_unix_extensions_version_send(TALLOC_CTX
*mem_ctx
,
45 struct tevent_context
*ev
,
46 struct cli_state
*cli
)
48 struct tevent_req
*req
, *subreq
;
49 struct cli_unix_extensions_version_state
*state
;
51 req
= tevent_req_create(mem_ctx
, &state
,
52 struct cli_unix_extensions_version_state
);
57 SSVAL(state
->setup
, 0, TRANSACT2_QFSINFO
);
58 SSVAL(state
->param
, 0, SMB_QUERY_CIFS_UNIX_INFO
);
60 subreq
= cli_trans_send(state
, ev
, cli
, SMBtrans2
,
65 if (tevent_req_nomem(subreq
, req
)) {
66 return tevent_req_post(req
, ev
);
68 tevent_req_set_callback(subreq
, cli_unix_extensions_version_done
, req
);
72 static void cli_unix_extensions_version_done(struct tevent_req
*subreq
)
74 struct tevent_req
*req
= tevent_req_callback_data(
75 subreq
, struct tevent_req
);
76 struct cli_unix_extensions_version_state
*state
= tevent_req_data(
77 req
, struct cli_unix_extensions_version_state
);
82 status
= cli_trans_recv(subreq
, state
, NULL
, NULL
, 0, NULL
,
83 NULL
, 0, NULL
, &data
, 12, &num_data
);
85 if (!NT_STATUS_IS_OK(status
)) {
86 tevent_req_nterror(req
, status
);
90 state
->major
= SVAL(data
, 0);
91 state
->minor
= SVAL(data
, 2);
92 state
->caplow
= IVAL(data
, 4);
93 state
->caphigh
= IVAL(data
, 8);
98 NTSTATUS
cli_unix_extensions_version_recv(struct tevent_req
*req
,
99 uint16_t *pmajor
, uint16_t *pminor
,
103 struct cli_unix_extensions_version_state
*state
= tevent_req_data(
104 req
, struct cli_unix_extensions_version_state
);
107 if (tevent_req_is_nterror(req
, &status
)) {
110 *pmajor
= state
->major
;
111 *pminor
= state
->minor
;
112 *pcaplow
= state
->caplow
;
113 *pcaphigh
= state
->caphigh
;
114 state
->cli
->server_posix_capabilities
= *pcaplow
;
118 NTSTATUS
cli_unix_extensions_version(struct cli_state
*cli
, uint16
*pmajor
,
119 uint16
*pminor
, uint32
*pcaplow
,
122 TALLOC_CTX
*frame
= talloc_stackframe();
123 struct event_context
*ev
;
124 struct tevent_req
*req
;
125 NTSTATUS status
= NT_STATUS_OK
;
127 if (cli_has_async_calls(cli
)) {
129 * Can't use sync call while an async call is in flight
131 status
= NT_STATUS_INVALID_PARAMETER
;
135 ev
= event_context_init(frame
);
137 status
= NT_STATUS_NO_MEMORY
;
141 req
= cli_unix_extensions_version_send(frame
, ev
, cli
);
143 status
= NT_STATUS_NO_MEMORY
;
147 if (!tevent_req_poll(req
, ev
)) {
148 status
= map_nt_error_from_unix(errno
);
152 status
= cli_unix_extensions_version_recv(req
, pmajor
, pminor
, pcaplow
,
159 /****************************************************************************
160 Set UNIX extensions capabilities.
161 ****************************************************************************/
163 struct cli_set_unix_extensions_capabilities_state
{
164 struct cli_state
*cli
;
170 static void cli_set_unix_extensions_capabilities_done(
171 struct tevent_req
*subreq
);
173 struct tevent_req
*cli_set_unix_extensions_capabilities_send(
174 TALLOC_CTX
*mem_ctx
, struct tevent_context
*ev
, struct cli_state
*cli
,
175 uint16_t major
, uint16_t minor
, uint32_t caplow
, uint32_t caphigh
)
177 struct tevent_req
*req
, *subreq
;
178 struct cli_set_unix_extensions_capabilities_state
*state
;
180 req
= tevent_req_create(
182 struct cli_set_unix_extensions_capabilities_state
);
188 SSVAL(state
->setup
+0, 0, TRANSACT2_SETFSINFO
);
190 SSVAL(state
->param
, 0, 0);
191 SSVAL(state
->param
, 2, SMB_SET_CIFS_UNIX_INFO
);
193 SSVAL(state
->data
, 0, major
);
194 SSVAL(state
->data
, 2, minor
);
195 SIVAL(state
->data
, 4, caplow
);
196 SIVAL(state
->data
, 8, caphigh
);
198 subreq
= cli_trans_send(state
, ev
, cli
, SMBtrans2
,
202 state
->data
, 12, 560);
203 if (tevent_req_nomem(subreq
, req
)) {
204 return tevent_req_post(req
, ev
);
206 tevent_req_set_callback(
207 subreq
, cli_set_unix_extensions_capabilities_done
, req
);
211 static void cli_set_unix_extensions_capabilities_done(
212 struct tevent_req
*subreq
)
214 struct tevent_req
*req
= tevent_req_callback_data(
215 subreq
, struct tevent_req
);
216 struct cli_set_unix_extensions_capabilities_state
*state
= tevent_req_data(
217 req
, struct cli_set_unix_extensions_capabilities_state
);
219 NTSTATUS status
= cli_trans_recv(subreq
, NULL
, NULL
, NULL
, 0, NULL
,
220 NULL
, 0, NULL
, NULL
, 0, NULL
);
221 if (NT_STATUS_IS_OK(status
)) {
222 state
->cli
->requested_posix_capabilities
= IVAL(state
->data
, 4);
224 tevent_req_simple_finish_ntstatus(subreq
, status
);
227 NTSTATUS
cli_set_unix_extensions_capabilities_recv(struct tevent_req
*req
)
229 return tevent_req_simple_recv_ntstatus(req
);
232 NTSTATUS
cli_set_unix_extensions_capabilities(struct cli_state
*cli
,
233 uint16 major
, uint16 minor
,
234 uint32 caplow
, uint32 caphigh
)
236 struct tevent_context
*ev
;
237 struct tevent_req
*req
;
238 NTSTATUS status
= NT_STATUS_NO_MEMORY
;
240 if (cli_has_async_calls(cli
)) {
241 return NT_STATUS_INVALID_PARAMETER
;
243 ev
= tevent_context_init(talloc_tos());
247 req
= cli_set_unix_extensions_capabilities_send(
248 ev
, ev
, cli
, major
, minor
, caplow
, caphigh
);
252 if (!tevent_req_poll_ntstatus(req
, ev
, &status
)) {
255 status
= cli_set_unix_extensions_capabilities_recv(req
);
261 struct cli_get_fs_attr_info_state
{
267 static void cli_get_fs_attr_info_done(struct tevent_req
*subreq
);
269 struct tevent_req
*cli_get_fs_attr_info_send(TALLOC_CTX
*mem_ctx
,
270 struct tevent_context
*ev
,
271 struct cli_state
*cli
)
273 struct tevent_req
*subreq
, *req
;
274 struct cli_get_fs_attr_info_state
*state
;
276 req
= tevent_req_create(mem_ctx
, &state
,
277 struct cli_get_fs_attr_info_state
);
281 SSVAL(state
->setup
+0, 0, TRANSACT2_QFSINFO
);
282 SSVAL(state
->param
+0, 0, SMB_QUERY_FS_ATTRIBUTE_INFO
);
284 subreq
= cli_trans_send(state
, ev
, cli
, SMBtrans2
,
289 if (tevent_req_nomem(subreq
, req
)) {
290 return tevent_req_post(req
, ev
);
292 tevent_req_set_callback(subreq
, cli_get_fs_attr_info_done
, req
);
296 static void cli_get_fs_attr_info_done(struct tevent_req
*subreq
)
298 struct tevent_req
*req
= tevent_req_callback_data(
299 subreq
, struct tevent_req
);
300 struct cli_get_fs_attr_info_state
*state
= tevent_req_data(
301 req
, struct cli_get_fs_attr_info_state
);
306 status
= cli_trans_recv(subreq
, talloc_tos(), NULL
, NULL
, 0, NULL
,
307 NULL
, 0, NULL
, &data
, 12, &num_data
);
309 if (!NT_STATUS_IS_OK(status
)) {
310 tevent_req_nterror(req
, status
);
313 state
->fs_attr
= IVAL(data
, 0);
315 tevent_req_done(req
);
318 NTSTATUS
cli_get_fs_attr_info_recv(struct tevent_req
*req
, uint32_t *fs_attr
)
320 struct cli_get_fs_attr_info_state
*state
= tevent_req_data(
321 req
, struct cli_get_fs_attr_info_state
);
324 if (tevent_req_is_nterror(req
, &status
)) {
327 *fs_attr
= state
->fs_attr
;
331 NTSTATUS
cli_get_fs_attr_info(struct cli_state
*cli
, uint32_t *fs_attr
)
333 struct tevent_context
*ev
;
334 struct tevent_req
*req
;
335 NTSTATUS status
= NT_STATUS_NO_MEMORY
;
337 if (cli_has_async_calls(cli
)) {
338 return NT_STATUS_INVALID_PARAMETER
;
340 ev
= tevent_context_init(talloc_tos());
344 req
= cli_get_fs_attr_info_send(ev
, ev
, cli
);
348 if (!tevent_req_poll_ntstatus(req
, ev
, &status
)) {
351 status
= cli_get_fs_attr_info_recv(req
, fs_attr
);
357 NTSTATUS
cli_get_fs_volume_info(struct cli_state
*cli
, fstring volume_name
,
358 uint32
*pserial_number
, time_t *pdate
)
364 uint32_t rdata_count
;
367 SSVAL(setup
, 0, TRANSACT2_QFSINFO
);
368 SSVAL(param
,0,SMB_QUERY_FS_VOLUME_INFO
);
370 status
= cli_trans(talloc_tos(), cli
, SMBtrans2
,
378 &rdata
, 10, &rdata_count
);
379 if (!NT_STATUS_IS_OK(status
)) {
385 ts
= interpret_long_date((char *)rdata
);
388 if (pserial_number
) {
389 *pserial_number
= IVAL(rdata
,8);
391 nlen
= IVAL(rdata
,12);
392 clistr_pull(cli
->inbuf
, volume_name
, rdata
+ 18, sizeof(fstring
),
395 /* todo: but not yet needed
396 * return the other stuff
403 NTSTATUS
cli_get_fs_full_size_info(struct cli_state
*cli
,
404 uint64_t *total_allocation_units
,
405 uint64_t *caller_allocation_units
,
406 uint64_t *actual_allocation_units
,
407 uint64_t *sectors_per_allocation_unit
,
408 uint64_t *bytes_per_sector
)
412 uint8_t *rdata
= NULL
;
413 uint32_t rdata_count
;
416 SSVAL(setup
, 0, TRANSACT2_QFSINFO
);
417 SSVAL(param
, 0, SMB_FS_FULL_SIZE_INFORMATION
);
419 status
= cli_trans(talloc_tos(), cli
, SMBtrans2
,
421 setup
, 1, 0, /* setup */
422 param
, 2, 0, /* param */
423 NULL
, 0, 560, /* data */
425 NULL
, 0, NULL
, /* rsetup */
426 NULL
, 0, NULL
, /* rparam */
427 &rdata
, 32, &rdata_count
); /* rdata */
428 if (!NT_STATUS_IS_OK(status
)) {
432 if (total_allocation_units
) {
433 *total_allocation_units
= BIG_UINT(rdata
, 0);
435 if (caller_allocation_units
) {
436 *caller_allocation_units
= BIG_UINT(rdata
,8);
438 if (actual_allocation_units
) {
439 *actual_allocation_units
= BIG_UINT(rdata
,16);
441 if (sectors_per_allocation_unit
) {
442 *sectors_per_allocation_unit
= IVAL(rdata
,24);
444 if (bytes_per_sector
) {
445 *bytes_per_sector
= IVAL(rdata
,28);
453 NTSTATUS
cli_get_posix_fs_info(struct cli_state
*cli
,
454 uint32
*optimal_transfer_size
,
456 uint64_t *total_blocks
,
457 uint64_t *blocks_available
,
458 uint64_t *user_blocks_available
,
459 uint64_t *total_file_nodes
,
460 uint64_t *free_file_nodes
,
461 uint64_t *fs_identifier
)
465 uint8_t *rdata
= NULL
;
468 SSVAL(setup
, 0, TRANSACT2_QFSINFO
);
469 SSVAL(param
,0,SMB_QUERY_POSIX_FS_INFO
);
471 status
= cli_trans(talloc_tos(), cli
, SMBtrans2
, NULL
, 0, 0, 0,
476 NULL
, 0, NULL
, /* rsetup */
477 NULL
, 0, NULL
, /* rparam */
479 if (!NT_STATUS_IS_OK(status
)) {
483 if (optimal_transfer_size
) {
484 *optimal_transfer_size
= IVAL(rdata
, 0);
487 *block_size
= IVAL(rdata
,4);
490 *total_blocks
= BIG_UINT(rdata
,8);
492 if (blocks_available
) {
493 *blocks_available
= BIG_UINT(rdata
,16);
495 if (user_blocks_available
) {
496 *user_blocks_available
= BIG_UINT(rdata
,24);
498 if (total_file_nodes
) {
499 *total_file_nodes
= BIG_UINT(rdata
,32);
501 if (free_file_nodes
) {
502 *free_file_nodes
= BIG_UINT(rdata
,40);
505 *fs_identifier
= BIG_UINT(rdata
,48);
511 /******************************************************************************
512 Send/receive the request encryption blob.
513 ******************************************************************************/
515 static NTSTATUS
enc_blob_send_receive(struct cli_state
*cli
, DATA_BLOB
*in
, DATA_BLOB
*out
, DATA_BLOB
*param_out
)
519 uint8_t *rparam
=NULL
, *rdata
=NULL
;
520 uint32_t num_rparam
, num_rdata
;
523 SSVAL(setup
+0, 0, TRANSACT2_SETFSINFO
);
525 SSVAL(param
,2,SMB_REQUEST_TRANSPORT_ENCRYPTION
);
527 status
= cli_trans(talloc_tos(), cli
, SMBtrans2
, NULL
, 0, 0, 0,
530 (uint8_t *)in
->data
, in
->length
, CLI_BUFFER_SIZE
,
531 NULL
, /* recv_flags */
532 NULL
, 0, NULL
, /* rsetup */
533 &rparam
, 0, &num_rparam
,
534 &rdata
, 0, &num_rdata
);
536 if (!NT_STATUS_IS_OK(status
) &&
537 !NT_STATUS_EQUAL(status
, NT_STATUS_MORE_PROCESSING_REQUIRED
)) {
541 *out
= data_blob(rdata
, num_rdata
);
542 *param_out
= data_blob(rparam
, num_rparam
);
549 /******************************************************************************
550 Make a client state struct.
551 ******************************************************************************/
553 static struct smb_trans_enc_state
*make_cli_enc_state(enum smb_trans_enc_type smb_enc_type
)
555 struct smb_trans_enc_state
*es
= NULL
;
556 es
= SMB_MALLOC_P(struct smb_trans_enc_state
);
561 es
->smb_enc_type
= smb_enc_type
;
563 #if defined(HAVE_GSSAPI) && defined(HAVE_KRB5)
564 if (smb_enc_type
== SMB_TRANS_ENC_GSS
) {
565 es
->s
.gss_state
= SMB_MALLOC_P(struct smb_tran_enc_state_gss
);
566 if (!es
->s
.gss_state
) {
570 ZERO_STRUCTP(es
->s
.gss_state
);
576 /******************************************************************************
577 Start a raw ntlmssp encryption.
578 ******************************************************************************/
580 NTSTATUS
cli_raw_ntlm_smb_encryption_start(struct cli_state
*cli
,
585 DATA_BLOB blob_in
= data_blob_null
;
586 DATA_BLOB blob_out
= data_blob_null
;
587 DATA_BLOB param_out
= data_blob_null
;
588 NTSTATUS status
= NT_STATUS_UNSUCCESSFUL
;
589 struct smb_trans_enc_state
*es
= make_cli_enc_state(SMB_TRANS_ENC_NTLM
);
592 return NT_STATUS_NO_MEMORY
;
594 status
= ntlmssp_client_start(NULL
,
597 lp_client_ntlmv2_auth(),
598 &es
->s
.ntlmssp_state
);
599 if (!NT_STATUS_IS_OK(status
)) {
603 ntlmssp_want_feature(es
->s
.ntlmssp_state
, NTLMSSP_FEATURE_SESSION_KEY
);
604 es
->s
.ntlmssp_state
->neg_flags
|= (NTLMSSP_NEGOTIATE_SIGN
|NTLMSSP_NEGOTIATE_SEAL
);
606 if (!NT_STATUS_IS_OK(status
= ntlmssp_set_username(es
->s
.ntlmssp_state
, user
))) {
609 if (!NT_STATUS_IS_OK(status
= ntlmssp_set_domain(es
->s
.ntlmssp_state
, domain
))) {
612 if (!NT_STATUS_IS_OK(status
= ntlmssp_set_password(es
->s
.ntlmssp_state
, pass
))) {
617 status
= ntlmssp_update(es
->s
.ntlmssp_state
, blob_in
, &blob_out
);
618 data_blob_free(&blob_in
);
619 data_blob_free(¶m_out
);
620 if (NT_STATUS_EQUAL(status
, NT_STATUS_MORE_PROCESSING_REQUIRED
) || NT_STATUS_IS_OK(status
)) {
621 NTSTATUS trans_status
= enc_blob_send_receive(cli
,
625 if (!NT_STATUS_EQUAL(trans_status
,
626 NT_STATUS_MORE_PROCESSING_REQUIRED
) &&
627 !NT_STATUS_IS_OK(trans_status
)) {
628 status
= trans_status
;
630 if (param_out
.length
== 2) {
631 es
->enc_ctx_num
= SVAL(param_out
.data
, 0);
635 data_blob_free(&blob_out
);
636 } while (NT_STATUS_EQUAL(status
, NT_STATUS_MORE_PROCESSING_REQUIRED
));
638 data_blob_free(&blob_in
);
640 if (NT_STATUS_IS_OK(status
)) {
641 /* Replace the old state, if any. */
642 if (cli
->trans_enc_state
) {
643 common_free_encryption_state(&cli
->trans_enc_state
);
645 cli
->trans_enc_state
= es
;
646 cli
->trans_enc_state
->enc_on
= True
;
652 common_free_encryption_state(&es
);
656 #if defined(HAVE_GSSAPI) && defined(HAVE_KRB5)
658 #ifndef SMB_GSS_REQUIRED_FLAGS
659 #define SMB_GSS_REQUIRED_FLAGS (GSS_C_CONF_FLAG|GSS_C_INTEG_FLAG|GSS_C_MUTUAL_FLAG|GSS_C_REPLAY_FLAG|GSS_C_SEQUENCE_FLAG)
662 /******************************************************************************
663 Get client gss blob to send to a server.
664 ******************************************************************************/
666 static NTSTATUS
make_cli_gss_blob(TALLOC_CTX
*ctx
,
667 struct smb_trans_enc_state
*es
,
671 DATA_BLOB spnego_blob_in
,
672 DATA_BLOB
*p_blob_out
)
674 const char *krb_mechs
[] = {OID_KERBEROS5
, NULL
};
678 gss_buffer_desc input_name
;
679 gss_buffer_desc
*p_tok_in
;
680 gss_buffer_desc tok_out
, tok_in
;
681 DATA_BLOB blob_out
= data_blob_null
;
682 DATA_BLOB blob_in
= data_blob_null
;
683 char *host_princ_s
= NULL
;
684 OM_uint32 ret_flags
= 0;
685 NTSTATUS status
= NT_STATUS_OK
;
687 gss_OID_desc nt_hostbased_service
=
688 {10, discard_const_p(char, "\x2a\x86\x48\x86\xf7\x12\x01\x02\x01\x04")};
690 memset(&tok_out
, '\0', sizeof(tok_out
));
692 /* Get a ticket for the service@host */
693 if (asprintf(&host_princ_s
, "%s@%s", service
, host
) == -1) {
694 return NT_STATUS_NO_MEMORY
;
697 input_name
.value
= host_princ_s
;
698 input_name
.length
= strlen(host_princ_s
) + 1;
700 ret
= gss_import_name(&min
,
702 &nt_hostbased_service
,
705 if (ret
!= GSS_S_COMPLETE
) {
706 SAFE_FREE(host_princ_s
);
707 return map_nt_error_from_gss(ret
, min
);
710 if (spnego_blob_in
.length
== 0) {
711 p_tok_in
= GSS_C_NO_BUFFER
;
713 /* Remove the SPNEGO wrapper */
714 if (!spnego_parse_auth_response(ctx
, spnego_blob_in
, status_in
, OID_KERBEROS5
, &blob_in
)) {
715 status
= NT_STATUS_UNSUCCESSFUL
;
718 tok_in
.value
= blob_in
.data
;
719 tok_in
.length
= blob_in
.length
;
723 ret
= gss_init_sec_context(&min
,
724 GSS_C_NO_CREDENTIAL
, /* Use our default cred. */
725 &es
->s
.gss_state
->gss_ctx
,
727 GSS_C_NO_OID
, /* default OID. */
728 GSS_C_MUTUAL_FLAG
| GSS_C_REPLAY_FLAG
| GSS_C_SEQUENCE_FLAG
| GSS_C_DELEG_FLAG
,
729 GSS_C_INDEFINITE
, /* requested ticket lifetime. */
730 NULL
, /* no channel bindings */
732 NULL
, /* ignore mech type */
735 NULL
); /* ignore time_rec */
737 status
= map_nt_error_from_gss(ret
, min
);
738 if (!NT_STATUS_IS_OK(status
) && !NT_STATUS_EQUAL(status
,NT_STATUS_MORE_PROCESSING_REQUIRED
)) {
739 ADS_STATUS adss
= ADS_ERROR_GSS(ret
, min
);
740 DEBUG(10,("make_cli_gss_blob: gss_init_sec_context failed with %s\n",
745 if ((ret_flags
& SMB_GSS_REQUIRED_FLAGS
) != SMB_GSS_REQUIRED_FLAGS
) {
746 status
= NT_STATUS_ACCESS_DENIED
;
749 blob_out
= data_blob_talloc(ctx
, tok_out
.value
, tok_out
.length
);
751 /* Wrap in an SPNEGO wrapper */
752 *p_blob_out
= spnego_gen_negTokenInit(ctx
, krb_mechs
, &blob_out
, NULL
);
756 data_blob_free(&blob_out
);
757 data_blob_free(&blob_in
);
758 SAFE_FREE(host_princ_s
);
759 gss_release_name(&min
, &srv_name
);
761 gss_release_buffer(&min
, &tok_out
);
766 /******************************************************************************
767 Start a SPNEGO gssapi encryption context.
768 ******************************************************************************/
770 NTSTATUS
cli_gss_smb_encryption_start(struct cli_state
*cli
)
772 DATA_BLOB blob_recv
= data_blob_null
;
773 DATA_BLOB blob_send
= data_blob_null
;
774 DATA_BLOB param_out
= data_blob_null
;
775 NTSTATUS status
= NT_STATUS_UNSUCCESSFUL
;
777 const char *servicename
;
778 struct smb_trans_enc_state
*es
= make_cli_enc_state(SMB_TRANS_ENC_GSS
);
781 return NT_STATUS_NO_MEMORY
;
784 name_to_fqdn(fqdn
, cli
->desthost
);
787 servicename
= "cifs";
788 status
= make_cli_gss_blob(talloc_tos(), es
, servicename
, fqdn
, NT_STATUS_OK
, blob_recv
, &blob_send
);
789 if (!NT_STATUS_EQUAL(status
,NT_STATUS_MORE_PROCESSING_REQUIRED
)) {
790 servicename
= "host";
791 status
= make_cli_gss_blob(talloc_tos(), es
, servicename
, fqdn
, NT_STATUS_OK
, blob_recv
, &blob_send
);
792 if (!NT_STATUS_EQUAL(status
,NT_STATUS_MORE_PROCESSING_REQUIRED
)) {
798 data_blob_free(&blob_recv
);
799 status
= enc_blob_send_receive(cli
, &blob_send
, &blob_recv
, ¶m_out
);
800 if (param_out
.length
== 2) {
801 es
->enc_ctx_num
= SVAL(param_out
.data
, 0);
803 data_blob_free(&blob_send
);
804 status
= make_cli_gss_blob(talloc_tos(), es
, servicename
, fqdn
, status
, blob_recv
, &blob_send
);
805 } while (NT_STATUS_EQUAL(status
, NT_STATUS_MORE_PROCESSING_REQUIRED
));
806 data_blob_free(&blob_recv
);
808 if (NT_STATUS_IS_OK(status
)) {
809 /* Replace the old state, if any. */
810 if (cli
->trans_enc_state
) {
811 common_free_encryption_state(&cli
->trans_enc_state
);
813 cli
->trans_enc_state
= es
;
814 cli
->trans_enc_state
->enc_on
= True
;
820 common_free_encryption_state(&es
);
824 NTSTATUS
cli_gss_smb_encryption_start(struct cli_state
*cli
)
826 return NT_STATUS_NOT_SUPPORTED
;
830 /********************************************************************
831 Ensure a connection is encrypted.
832 ********************************************************************/
834 NTSTATUS
cli_force_encryption(struct cli_state
*c
,
835 const char *username
,
836 const char *password
,
840 uint32 caplow
, caphigh
;
843 if (!SERVER_HAS_UNIX_CIFS(c
)) {
844 return NT_STATUS_NOT_SUPPORTED
;
847 status
= cli_unix_extensions_version(c
, &major
, &minor
, &caplow
,
849 if (!NT_STATUS_IS_OK(status
)) {
850 DEBUG(10, ("cli_force_encryption: cli_unix_extensions_version "
851 "returned %s\n", nt_errstr(status
)));
852 return NT_STATUS_UNKNOWN_REVISION
;
855 if (!(caplow
& CIFS_UNIX_TRANSPORT_ENCRYPTION_CAP
)) {
856 return NT_STATUS_UNSUPPORTED_COMPRESSION
;
859 if (c
->use_kerberos
) {
860 return cli_gss_smb_encryption_start(c
);
862 return cli_raw_ntlm_smb_encryption_start(c
,