2 Unix SMB/CIFS implementation.
3 client connect/disconnect routines
4 Copyright (C) Andrew Tridgell 1994-1998
5 Copyright (C) Andrew Bartlett 2001-2003
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 "../libcli/auth/libcli_auth.h"
23 #include "../libcli/auth/spnego.h"
31 {PROTOCOL_CORE
, "PC NETWORK PROGRAM 1.0"},
32 {PROTOCOL_COREPLUS
, "MICROSOFT NETWORKS 1.03"},
33 {PROTOCOL_LANMAN1
, "MICROSOFT NETWORKS 3.0"},
34 {PROTOCOL_LANMAN1
, "LANMAN1.0"},
35 {PROTOCOL_LANMAN2
, "LM1.2X002"},
36 {PROTOCOL_LANMAN2
, "DOS LANMAN2.1"},
37 {PROTOCOL_LANMAN2
, "LANMAN2.1"},
38 {PROTOCOL_LANMAN2
, "Samba"},
39 {PROTOCOL_NT1
, "NT LANMAN 1.0"},
40 {PROTOCOL_NT1
, "NT LM 0.12"},
43 #define STAR_SMBSERVER "*SMBSERVER"
46 * Set the user session key for a connection
47 * @param cli The cli structure to add it too
48 * @param session_key The session key used. (A copy of this is taken for the cli struct)
52 static void cli_set_session_key (struct cli_state
*cli
, const DATA_BLOB session_key
)
54 cli
->user_session_key
= data_blob(session_key
.data
, session_key
.length
);
57 /****************************************************************************
58 Do an old lanman2 style session setup.
59 ****************************************************************************/
61 static NTSTATUS
cli_session_setup_lanman2(struct cli_state
*cli
,
63 const char *pass
, size_t passlen
,
64 const char *workgroup
)
66 DATA_BLOB session_key
= data_blob_null
;
67 DATA_BLOB lm_response
= data_blob_null
;
72 if (passlen
> sizeof(pword
)-1) {
73 return NT_STATUS_INVALID_PARAMETER
;
76 /* LANMAN servers predate NT status codes and Unicode and ignore those
77 smb flags so we must disable the corresponding default capabilities
78 that would otherwise cause the Unicode and NT Status flags to be
79 set (and even returned by the server) */
81 cli
->capabilities
&= ~(CAP_UNICODE
| CAP_STATUS32
);
83 /* if in share level security then don't send a password now */
84 if (!(cli
->sec_mode
& NEGOTIATE_SECURITY_USER_LEVEL
))
87 if (passlen
> 0 && (cli
->sec_mode
& NEGOTIATE_SECURITY_CHALLENGE_RESPONSE
) && passlen
!= 24) {
88 /* Encrypted mode needed, and non encrypted password supplied. */
89 lm_response
= data_blob(NULL
, 24);
90 if (!SMBencrypt(pass
, cli
->secblob
.data
,(uchar
*)lm_response
.data
)) {
91 DEBUG(1, ("Password is > 14 chars in length, and is therefore incompatible with Lanman authentication\n"));
92 return NT_STATUS_ACCESS_DENIED
;
94 } else if ((cli
->sec_mode
& NEGOTIATE_SECURITY_CHALLENGE_RESPONSE
) && passlen
== 24) {
95 /* Encrypted mode needed, and encrypted password supplied. */
96 lm_response
= data_blob(pass
, passlen
);
97 } else if (passlen
> 0) {
98 /* Plaintext mode needed, assume plaintext supplied. */
99 passlen
= clistr_push(cli
, pword
, pass
, sizeof(pword
), STR_TERMINATE
);
100 lm_response
= data_blob(pass
, passlen
);
103 /* send a session setup command */
104 memset(cli
->outbuf
,'\0',smb_size
);
105 cli_set_message(cli
->outbuf
,10, 0, True
);
106 SCVAL(cli
->outbuf
,smb_com
,SMBsesssetupX
);
107 cli_setup_packet(cli
);
109 SCVAL(cli
->outbuf
,smb_vwv0
,0xFF);
110 SSVAL(cli
->outbuf
,smb_vwv2
,cli
->max_xmit
);
111 SSVAL(cli
->outbuf
,smb_vwv3
,2);
112 SSVAL(cli
->outbuf
,smb_vwv4
,1);
113 SIVAL(cli
->outbuf
,smb_vwv5
,cli
->sesskey
);
114 SSVAL(cli
->outbuf
,smb_vwv7
,lm_response
.length
);
116 p
= smb_buf(cli
->outbuf
);
117 memcpy(p
,lm_response
.data
,lm_response
.length
);
118 p
+= lm_response
.length
;
119 p
+= clistr_push(cli
, p
, user
, -1, STR_TERMINATE
|STR_UPPER
);
120 p
+= clistr_push(cli
, p
, workgroup
, -1, STR_TERMINATE
|STR_UPPER
);
121 p
+= clistr_push(cli
, p
, "Unix", -1, STR_TERMINATE
);
122 p
+= clistr_push(cli
, p
, "Samba", -1, STR_TERMINATE
);
123 cli_setup_bcc(cli
, p
);
125 if (!cli_send_smb(cli
) || !cli_receive_smb(cli
)) {
126 return cli_nt_error(cli
);
129 show_msg(cli
->inbuf
);
131 if (cli_is_error(cli
)) {
132 return cli_nt_error(cli
);
135 /* use the returned vuid from now on */
136 cli
->vuid
= SVAL(cli
->inbuf
,smb_uid
);
137 status
= cli_set_username(cli
, user
);
138 if (!NT_STATUS_IS_OK(status
)) {
142 if (session_key
.data
) {
143 /* Have plaintext orginal */
144 cli_set_session_key(cli
, session_key
);
150 /****************************************************************************
151 Work out suitable capabilities to offer the server.
152 ****************************************************************************/
154 static uint32
cli_session_setup_capabilities(struct cli_state
*cli
)
156 uint32 capabilities
= CAP_NT_SMBS
;
158 if (!cli
->force_dos_errors
)
159 capabilities
|= CAP_STATUS32
;
161 if (cli
->use_level_II_oplocks
)
162 capabilities
|= CAP_LEVEL_II_OPLOCKS
;
164 capabilities
|= (cli
->capabilities
& (CAP_UNICODE
|CAP_LARGE_FILES
|CAP_LARGE_READX
|CAP_LARGE_WRITEX
|CAP_DFS
));
168 /****************************************************************************
169 Do a NT1 guest session setup.
170 ****************************************************************************/
172 struct cli_session_setup_guest_state
{
173 struct cli_state
*cli
;
178 static void cli_session_setup_guest_done(struct tevent_req
*subreq
);
180 struct tevent_req
*cli_session_setup_guest_create(TALLOC_CTX
*mem_ctx
,
181 struct event_context
*ev
,
182 struct cli_state
*cli
,
183 struct tevent_req
**psmbreq
)
185 struct tevent_req
*req
, *subreq
;
186 struct cli_session_setup_guest_state
*state
;
190 req
= tevent_req_create(mem_ctx
, &state
,
191 struct cli_session_setup_guest_state
);
198 SCVAL(vwv
+0, 0, 0xFF);
201 SSVAL(vwv
+2, 0, CLI_BUFFER_SIZE
);
203 SSVAL(vwv
+4, 0, cli
->pid
);
204 SIVAL(vwv
+5, 0, cli
->sesskey
);
209 SIVAL(vwv
+11, 0, cli_session_setup_capabilities(cli
));
211 bytes
= talloc_array(state
, uint8_t, 0);
213 bytes
= smb_bytes_push_str(bytes
, cli_ucs2(cli
), "", 1, /* username */
215 bytes
= smb_bytes_push_str(bytes
, cli_ucs2(cli
), "", 1, /* workgroup */
217 bytes
= smb_bytes_push_str(bytes
, cli_ucs2(cli
), "Unix", 5, NULL
);
218 bytes
= smb_bytes_push_str(bytes
, cli_ucs2(cli
), "Samba", 6, NULL
);
225 state
->bytes
.iov_base
= (void *)bytes
;
226 state
->bytes
.iov_len
= talloc_get_size(bytes
);
228 subreq
= cli_smb_req_create(state
, ev
, cli
, SMBsesssetupX
, 0, 13, vwv
,
230 if (subreq
== NULL
) {
234 tevent_req_set_callback(subreq
, cli_session_setup_guest_done
, req
);
239 struct tevent_req
*cli_session_setup_guest_send(TALLOC_CTX
*mem_ctx
,
240 struct event_context
*ev
,
241 struct cli_state
*cli
)
243 struct tevent_req
*req
, *subreq
;
246 req
= cli_session_setup_guest_create(mem_ctx
, ev
, cli
, &subreq
);
251 status
= cli_smb_req_send(subreq
);
252 if (NT_STATUS_IS_OK(status
)) {
253 tevent_req_nterror(req
, status
);
254 return tevent_req_post(req
, ev
);
259 static void cli_session_setup_guest_done(struct tevent_req
*subreq
)
261 struct tevent_req
*req
= tevent_req_callback_data(
262 subreq
, struct tevent_req
);
263 struct cli_session_setup_guest_state
*state
= tevent_req_data(
264 req
, struct cli_session_setup_guest_state
);
265 struct cli_state
*cli
= state
->cli
;
273 status
= cli_smb_recv(subreq
, state
, &in
, 0, NULL
, NULL
,
276 if (!NT_STATUS_IS_OK(status
)) {
277 tevent_req_nterror(req
, status
);
284 cli
->vuid
= SVAL(inbuf
, smb_uid
);
286 p
+= clistr_pull(inbuf
, cli
->server_os
, (char *)p
, sizeof(fstring
),
287 bytes
+num_bytes
-p
, STR_TERMINATE
);
288 p
+= clistr_pull(inbuf
, cli
->server_type
, (char *)p
, sizeof(fstring
),
289 bytes
+num_bytes
-p
, STR_TERMINATE
);
290 p
+= clistr_pull(inbuf
, cli
->server_domain
, (char *)p
, sizeof(fstring
),
291 bytes
+num_bytes
-p
, STR_TERMINATE
);
293 if (strstr(cli
->server_type
, "Samba")) {
294 cli
->is_samba
= True
;
297 status
= cli_set_username(cli
, "");
298 if (!NT_STATUS_IS_OK(status
)) {
299 tevent_req_nterror(req
, status
);
302 tevent_req_done(req
);
305 NTSTATUS
cli_session_setup_guest_recv(struct tevent_req
*req
)
307 return tevent_req_simple_recv_ntstatus(req
);
310 static NTSTATUS
cli_session_setup_guest(struct cli_state
*cli
)
312 TALLOC_CTX
*frame
= talloc_stackframe();
313 struct event_context
*ev
;
314 struct tevent_req
*req
;
315 NTSTATUS status
= NT_STATUS_OK
;
317 if (cli_has_async_calls(cli
)) {
319 * Can't use sync call while an async call is in flight
321 status
= NT_STATUS_INVALID_PARAMETER
;
325 ev
= event_context_init(frame
);
327 status
= NT_STATUS_NO_MEMORY
;
331 req
= cli_session_setup_guest_send(frame
, ev
, cli
);
333 status
= NT_STATUS_NO_MEMORY
;
337 if (!tevent_req_poll(req
, ev
)) {
338 status
= map_nt_error_from_unix(errno
);
342 status
= cli_session_setup_guest_recv(req
);
345 if (!NT_STATUS_IS_OK(status
)) {
346 cli_set_error(cli
, status
);
351 /****************************************************************************
352 Do a NT1 plaintext session setup.
353 ****************************************************************************/
355 static NTSTATUS
cli_session_setup_plaintext(struct cli_state
*cli
,
356 const char *user
, const char *pass
,
357 const char *workgroup
)
359 uint32 capabilities
= cli_session_setup_capabilities(cli
);
364 fstr_sprintf( lanman
, "Samba %s", samba_version_string());
366 memset(cli
->outbuf
, '\0', smb_size
);
367 cli_set_message(cli
->outbuf
,13,0,True
);
368 SCVAL(cli
->outbuf
,smb_com
,SMBsesssetupX
);
369 cli_setup_packet(cli
);
371 SCVAL(cli
->outbuf
,smb_vwv0
,0xFF);
372 SSVAL(cli
->outbuf
,smb_vwv2
,CLI_BUFFER_SIZE
);
373 SSVAL(cli
->outbuf
,smb_vwv3
,2);
374 SSVAL(cli
->outbuf
,smb_vwv4
,cli
->pid
);
375 SIVAL(cli
->outbuf
,smb_vwv5
,cli
->sesskey
);
376 SSVAL(cli
->outbuf
,smb_vwv8
,0);
377 SIVAL(cli
->outbuf
,smb_vwv11
,capabilities
);
378 p
= smb_buf(cli
->outbuf
);
380 /* check wether to send the ASCII or UNICODE version of the password */
382 if ( (capabilities
& CAP_UNICODE
) == 0 ) {
383 p
+= clistr_push(cli
, p
, pass
, -1, STR_TERMINATE
); /* password */
384 SSVAL(cli
->outbuf
,smb_vwv7
,PTR_DIFF(p
, smb_buf(cli
->outbuf
)));
387 /* For ucs2 passwords clistr_push calls ucs2_align, which causes
388 * the space taken by the unicode password to be one byte too
389 * long (as we're on an odd byte boundary here). Reduce the
390 * count by 1 to cope with this. Fixes smbclient against NetApp
391 * servers which can't cope. Fix from
392 * bryan.kolodziej@allenlund.com in bug #3840.
394 p
+= clistr_push(cli
, p
, pass
, -1, STR_UNICODE
|STR_TERMINATE
); /* unicode password */
395 SSVAL(cli
->outbuf
,smb_vwv8
,PTR_DIFF(p
, smb_buf(cli
->outbuf
))-1);
398 p
+= clistr_push(cli
, p
, user
, -1, STR_TERMINATE
); /* username */
399 p
+= clistr_push(cli
, p
, workgroup
, -1, STR_TERMINATE
); /* workgroup */
400 p
+= clistr_push(cli
, p
, "Unix", -1, STR_TERMINATE
);
401 p
+= clistr_push(cli
, p
, lanman
, -1, STR_TERMINATE
);
402 cli_setup_bcc(cli
, p
);
404 if (!cli_send_smb(cli
) || !cli_receive_smb(cli
)) {
405 return cli_nt_error(cli
);
408 show_msg(cli
->inbuf
);
410 if (cli_is_error(cli
)) {
411 return cli_nt_error(cli
);
414 cli
->vuid
= SVAL(cli
->inbuf
,smb_uid
);
415 p
= smb_buf(cli
->inbuf
);
416 p
+= clistr_pull(cli
->inbuf
, cli
->server_os
, p
, sizeof(fstring
),
418 p
+= clistr_pull(cli
->inbuf
, cli
->server_type
, p
, sizeof(fstring
),
420 p
+= clistr_pull(cli
->inbuf
, cli
->server_domain
, p
, sizeof(fstring
),
422 status
= cli_set_username(cli
, user
);
423 if (!NT_STATUS_IS_OK(status
)) {
426 if (strstr(cli
->server_type
, "Samba")) {
427 cli
->is_samba
= True
;
433 /****************************************************************************
434 do a NT1 NTLM/LM encrypted session setup - for when extended security
436 @param cli client state to create do session setup on
438 @param pass *either* cleartext password (passlen !=24) or LM response.
439 @param ntpass NT response, implies ntpasslen >=24, implies pass is not clear
440 @param workgroup The user's domain.
441 ****************************************************************************/
443 static NTSTATUS
cli_session_setup_nt1(struct cli_state
*cli
, const char *user
,
444 const char *pass
, size_t passlen
,
445 const char *ntpass
, size_t ntpasslen
,
446 const char *workgroup
)
448 uint32 capabilities
= cli_session_setup_capabilities(cli
);
449 DATA_BLOB lm_response
= data_blob_null
;
450 DATA_BLOB nt_response
= data_blob_null
;
451 DATA_BLOB session_key
= data_blob_null
;
457 /* do nothing - guest login */
458 } else if (passlen
!= 24) {
459 if (lp_client_ntlmv2_auth()) {
460 DATA_BLOB server_chal
;
461 DATA_BLOB names_blob
;
462 server_chal
= data_blob(cli
->secblob
.data
, MIN(cli
->secblob
.length
, 8));
464 /* note that the 'workgroup' here is a best guess - we don't know
465 the server's domain at this point. The 'server name' is also
468 names_blob
= NTLMv2_generate_names_blob(NULL
, cli
->called
.name
, workgroup
);
470 if (!SMBNTLMv2encrypt(NULL
, user
, workgroup
, pass
, &server_chal
,
472 &lm_response
, &nt_response
, NULL
, &session_key
)) {
473 data_blob_free(&names_blob
);
474 data_blob_free(&server_chal
);
475 return NT_STATUS_ACCESS_DENIED
;
477 data_blob_free(&names_blob
);
478 data_blob_free(&server_chal
);
482 E_md4hash(pass
, nt_hash
);
485 nt_response
= data_blob_null
;
487 nt_response
= data_blob(NULL
, 24);
488 SMBNTencrypt(pass
,cli
->secblob
.data
,nt_response
.data
);
490 /* non encrypted password supplied. Ignore ntpass. */
491 if (lp_client_lanman_auth()) {
492 lm_response
= data_blob(NULL
, 24);
493 if (!SMBencrypt(pass
,cli
->secblob
.data
, lm_response
.data
)) {
494 /* Oops, the LM response is invalid, just put
495 the NT response there instead */
496 data_blob_free(&lm_response
);
497 lm_response
= data_blob(nt_response
.data
, nt_response
.length
);
500 /* LM disabled, place NT# in LM field instead */
501 lm_response
= data_blob(nt_response
.data
, nt_response
.length
);
504 session_key
= data_blob(NULL
, 16);
506 E_deshash(pass
, session_key
.data
);
507 memset(&session_key
.data
[8], '\0', 8);
509 SMBsesskeygen_ntv1(nt_hash
, session_key
.data
);
512 cli_temp_set_signing(cli
);
514 /* pre-encrypted password supplied. Only used for
515 security=server, can't do
516 signing because we don't have original key */
518 lm_response
= data_blob(pass
, passlen
);
519 nt_response
= data_blob(ntpass
, ntpasslen
);
522 /* send a session setup command */
523 memset(cli
->outbuf
,'\0',smb_size
);
525 cli_set_message(cli
->outbuf
,13,0,True
);
526 SCVAL(cli
->outbuf
,smb_com
,SMBsesssetupX
);
527 cli_setup_packet(cli
);
529 SCVAL(cli
->outbuf
,smb_vwv0
,0xFF);
530 SSVAL(cli
->outbuf
,smb_vwv2
,CLI_BUFFER_SIZE
);
531 SSVAL(cli
->outbuf
,smb_vwv3
,2);
532 SSVAL(cli
->outbuf
,smb_vwv4
,cli
->pid
);
533 SIVAL(cli
->outbuf
,smb_vwv5
,cli
->sesskey
);
534 SSVAL(cli
->outbuf
,smb_vwv7
,lm_response
.length
);
535 SSVAL(cli
->outbuf
,smb_vwv8
,nt_response
.length
);
536 SIVAL(cli
->outbuf
,smb_vwv11
,capabilities
);
537 p
= smb_buf(cli
->outbuf
);
538 if (lm_response
.length
) {
539 memcpy(p
,lm_response
.data
, lm_response
.length
); p
+= lm_response
.length
;
541 if (nt_response
.length
) {
542 memcpy(p
,nt_response
.data
, nt_response
.length
); p
+= nt_response
.length
;
544 p
+= clistr_push(cli
, p
, user
, -1, STR_TERMINATE
);
546 /* Upper case here might help some NTLMv2 implementations */
547 p
+= clistr_push(cli
, p
, workgroup
, -1, STR_TERMINATE
|STR_UPPER
);
548 p
+= clistr_push(cli
, p
, "Unix", -1, STR_TERMINATE
);
549 p
+= clistr_push(cli
, p
, "Samba", -1, STR_TERMINATE
);
550 cli_setup_bcc(cli
, p
);
552 if (!cli_send_smb(cli
) || !cli_receive_smb(cli
)) {
553 result
= cli_nt_error(cli
);
557 /* show_msg(cli->inbuf); */
559 if (cli_is_error(cli
)) {
560 result
= cli_nt_error(cli
);
565 ok
= cli_simple_set_signing(cli
, session_key
, lm_response
);
567 ok
= cli_simple_set_signing(cli
, session_key
, nt_response
);
570 if (!cli_check_sign_mac(cli
, cli
->inbuf
, 1)) {
571 result
= NT_STATUS_ACCESS_DENIED
;
576 /* use the returned vuid from now on */
577 cli
->vuid
= SVAL(cli
->inbuf
,smb_uid
);
579 p
= smb_buf(cli
->inbuf
);
580 p
+= clistr_pull(cli
->inbuf
, cli
->server_os
, p
, sizeof(fstring
),
582 p
+= clistr_pull(cli
->inbuf
, cli
->server_type
, p
, sizeof(fstring
),
584 p
+= clistr_pull(cli
->inbuf
, cli
->server_domain
, p
, sizeof(fstring
),
587 if (strstr(cli
->server_type
, "Samba")) {
588 cli
->is_samba
= True
;
591 result
= cli_set_username(cli
, user
);
592 if (!NT_STATUS_IS_OK(result
)) {
596 if (session_key
.data
) {
597 /* Have plaintext orginal */
598 cli_set_session_key(cli
, session_key
);
601 result
= NT_STATUS_OK
;
603 data_blob_free(&lm_response
);
604 data_blob_free(&nt_response
);
605 data_blob_free(&session_key
);
609 /* The following is calculated from :
611 * (smb_wcnt * 2) = 24 (smb_wcnt == 12 in cli_session_setup_blob_send() )
612 * (strlen("Unix") + 1 + strlen("Samba") + 1) * 2 = 22 (unicode strings at
616 #define BASE_SESSSETUP_BLOB_PACKET_SIZE (35 + 24 + 22)
618 struct cli_sesssetup_blob_state
{
619 struct tevent_context
*ev
;
620 struct cli_state
*cli
;
622 uint16_t max_blob_size
;
631 static bool cli_sesssetup_blob_next(struct cli_sesssetup_blob_state
*state
,
632 struct tevent_req
**psubreq
);
633 static void cli_sesssetup_blob_done(struct tevent_req
*subreq
);
635 static struct tevent_req
*cli_sesssetup_blob_send(TALLOC_CTX
*mem_ctx
,
636 struct tevent_context
*ev
,
637 struct cli_state
*cli
,
640 struct tevent_req
*req
, *subreq
;
641 struct cli_sesssetup_blob_state
*state
;
643 req
= tevent_req_create(mem_ctx
, &state
,
644 struct cli_sesssetup_blob_state
);
652 if (cli
->max_xmit
< BASE_SESSSETUP_BLOB_PACKET_SIZE
+ 1) {
653 DEBUG(1, ("cli_session_setup_blob: cli->max_xmit too small "
654 "(was %u, need minimum %u)\n",
655 (unsigned int)cli
->max_xmit
,
656 BASE_SESSSETUP_BLOB_PACKET_SIZE
));
657 tevent_req_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
658 return tevent_req_post(req
, ev
);
660 state
->max_blob_size
=
661 MIN(cli
->max_xmit
- BASE_SESSSETUP_BLOB_PACKET_SIZE
, 0xFFFF);
663 if (!cli_sesssetup_blob_next(state
, &subreq
)) {
664 tevent_req_nomem(NULL
, req
);
665 return tevent_req_post(req
, ev
);
667 tevent_req_set_callback(subreq
, cli_sesssetup_blob_done
, req
);
671 static bool cli_sesssetup_blob_next(struct cli_sesssetup_blob_state
*state
,
672 struct tevent_req
**psubreq
)
674 struct tevent_req
*subreq
;
677 SCVAL(state
->vwv
+0, 0, 0xFF);
678 SCVAL(state
->vwv
+0, 1, 0);
679 SSVAL(state
->vwv
+1, 0, 0);
680 SSVAL(state
->vwv
+2, 0, CLI_BUFFER_SIZE
);
681 SSVAL(state
->vwv
+3, 0, 2);
682 SSVAL(state
->vwv
+4, 0, 1);
683 SIVAL(state
->vwv
+5, 0, 0);
685 thistime
= MIN(state
->blob
.length
, state
->max_blob_size
);
686 SSVAL(state
->vwv
+7, 0, thistime
);
688 SSVAL(state
->vwv
+8, 0, 0);
689 SSVAL(state
->vwv
+9, 0, 0);
690 SIVAL(state
->vwv
+10, 0,
691 cli_session_setup_capabilities(state
->cli
)
692 | CAP_EXTENDED_SECURITY
);
694 state
->buf
= (uint8_t *)talloc_memdup(state
, state
->blob
.data
,
696 if (state
->buf
== NULL
) {
699 state
->blob
.data
+= thistime
;
700 state
->blob
.length
-= thistime
;
702 state
->buf
= smb_bytes_push_str(state
->buf
, cli_ucs2(state
->cli
),
704 state
->buf
= smb_bytes_push_str(state
->buf
, cli_ucs2(state
->cli
),
706 if (state
->buf
== NULL
) {
709 subreq
= cli_smb_send(state
, state
->ev
, state
->cli
, SMBsesssetupX
, 0,
711 talloc_get_size(state
->buf
), state
->buf
);
712 if (subreq
== NULL
) {
719 static void cli_sesssetup_blob_done(struct tevent_req
*subreq
)
721 struct tevent_req
*req
= tevent_req_callback_data(
722 subreq
, struct tevent_req
);
723 struct cli_sesssetup_blob_state
*state
= tevent_req_data(
724 req
, struct cli_sesssetup_blob_state
);
725 struct cli_state
*cli
= state
->cli
;
732 uint16_t blob_length
;
735 status
= cli_smb_recv(subreq
, state
, &inbuf
, 1, &wct
, &vwv
,
738 if (!NT_STATUS_IS_OK(status
)
739 && !NT_STATUS_EQUAL(status
, NT_STATUS_MORE_PROCESSING_REQUIRED
)) {
740 tevent_req_nterror(req
, status
);
744 state
->status
= status
;
745 TALLOC_FREE(state
->buf
);
747 state
->inbuf
= (char *)inbuf
;
748 cli
->vuid
= SVAL(state
->inbuf
, smb_uid
);
750 blob_length
= SVAL(vwv
+3, 0);
751 if (blob_length
> num_bytes
) {
752 tevent_req_nterror(req
, NT_STATUS_INVALID_NETWORK_RESPONSE
);
755 state
->ret_blob
= data_blob_const(bytes
, blob_length
);
757 p
= bytes
+ blob_length
;
759 p
+= clistr_pull(state
->inbuf
, cli
->server_os
,
760 (char *)p
, sizeof(fstring
),
761 bytes
+num_bytes
-p
, STR_TERMINATE
);
762 p
+= clistr_pull(state
->inbuf
, cli
->server_type
,
763 (char *)p
, sizeof(fstring
),
764 bytes
+num_bytes
-p
, STR_TERMINATE
);
765 p
+= clistr_pull(state
->inbuf
, cli
->server_domain
,
766 (char *)p
, sizeof(fstring
),
767 bytes
+num_bytes
-p
, STR_TERMINATE
);
769 if (strstr(cli
->server_type
, "Samba")) {
770 cli
->is_samba
= True
;
773 if (state
->blob
.length
!= 0) {
777 if (!cli_sesssetup_blob_next(state
, &subreq
)) {
778 tevent_req_nomem(NULL
, req
);
781 tevent_req_set_callback(subreq
, cli_sesssetup_blob_done
, req
);
784 tevent_req_done(req
);
787 static NTSTATUS
cli_sesssetup_blob_recv(struct tevent_req
*req
,
792 struct cli_sesssetup_blob_state
*state
= tevent_req_data(
793 req
, struct cli_sesssetup_blob_state
);
797 if (tevent_req_is_nterror(req
, &status
)) {
798 state
->cli
->vuid
= 0;
802 inbuf
= talloc_move(mem_ctx
, &state
->inbuf
);
804 *pblob
= state
->ret_blob
;
806 if (pinbuf
!= NULL
) {
809 /* could be NT_STATUS_MORE_PROCESSING_REQUIRED */
810 return state
->status
;
815 /****************************************************************************
816 Use in-memory credentials cache
817 ****************************************************************************/
819 static void use_in_memory_ccache(void) {
820 setenv(KRB5_ENV_CCNAME
, "MEMORY:cliconnect", 1);
823 /****************************************************************************
824 Do a spnego/kerberos encrypted session setup.
825 ****************************************************************************/
827 struct cli_session_setup_kerberos_state
{
828 struct cli_state
*cli
;
829 DATA_BLOB negTokenTarg
;
830 DATA_BLOB session_key_krb5
;
831 ADS_STATUS ads_status
;
834 static void cli_session_setup_kerberos_done(struct tevent_req
*subreq
);
836 static struct tevent_req
*cli_session_setup_kerberos_send(
837 TALLOC_CTX
*mem_ctx
, struct tevent_context
*ev
, struct cli_state
*cli
,
838 const char *principal
, const char *workgroup
)
840 struct tevent_req
*req
, *subreq
;
841 struct cli_session_setup_kerberos_state
*state
;
844 DEBUG(2,("Doing kerberos session setup\n"));
846 req
= tevent_req_create(mem_ctx
, &state
,
847 struct cli_session_setup_kerberos_state
);
852 state
->ads_status
= ADS_SUCCESS
;
854 cli_temp_set_signing(cli
);
857 * Ok, this is cheated: spnego_gen_negTokenTarg can block if
858 * we have to acquire a ticket. To be fixed later :-)
860 rc
= spnego_gen_negTokenTarg(principal
, 0, &state
->negTokenTarg
,
861 &state
->session_key_krb5
, 0, NULL
);
863 DEBUG(1, ("cli_session_setup_kerberos: "
864 "spnego_gen_negTokenTarg failed: %s\n",
866 state
->ads_status
= ADS_ERROR_KRB5(rc
);
867 tevent_req_nterror(req
, NT_STATUS_UNSUCCESSFUL
);
868 return tevent_req_post(req
, ev
);
872 file_save("negTokenTarg.dat", state
->negTokenTarg
.data
,
873 state
->negTokenTarg
.length
);
876 subreq
= cli_sesssetup_blob_send(state
, ev
, cli
, state
->negTokenTarg
);
877 if (tevent_req_nomem(subreq
, req
)) {
878 return tevent_req_post(req
, ev
);
880 tevent_req_set_callback(subreq
, cli_session_setup_kerberos_done
, req
);
884 static void cli_session_setup_kerberos_done(struct tevent_req
*subreq
)
886 struct tevent_req
*req
= tevent_req_callback_data(
887 subreq
, struct tevent_req
);
888 struct cli_session_setup_kerberos_state
*state
= tevent_req_data(
889 req
, struct cli_session_setup_kerberos_state
);
893 status
= cli_sesssetup_blob_recv(subreq
, talloc_tos(), NULL
, &inbuf
);
894 if (!NT_STATUS_IS_OK(status
)) {
896 tevent_req_nterror(req
, status
);
900 cli_set_session_key(state
->cli
, state
->session_key_krb5
);
902 if (cli_simple_set_signing(state
->cli
, state
->session_key_krb5
,
904 && !cli_check_sign_mac(state
->cli
, inbuf
, 1)) {
906 tevent_req_nterror(req
, NT_STATUS_ACCESS_DENIED
);
910 tevent_req_done(req
);
913 static ADS_STATUS
cli_session_setup_kerberos_recv(struct tevent_req
*req
)
915 struct cli_session_setup_kerberos_state
*state
= tevent_req_data(
916 req
, struct cli_session_setup_kerberos_state
);
919 if (tevent_req_is_nterror(req
, &status
)) {
920 return ADS_ERROR_NT(status
);
922 return state
->ads_status
;
925 static ADS_STATUS
cli_session_setup_kerberos(struct cli_state
*cli
,
926 const char *principal
,
927 const char *workgroup
)
929 struct tevent_context
*ev
;
930 struct tevent_req
*req
;
931 ADS_STATUS status
= ADS_ERROR_NT(NT_STATUS_NO_MEMORY
);
933 if (cli_has_async_calls(cli
)) {
934 return ADS_ERROR_NT(NT_STATUS_INVALID_PARAMETER
);
936 ev
= tevent_context_init(talloc_tos());
940 req
= cli_session_setup_kerberos_send(ev
, ev
, cli
, principal
,
945 if (!tevent_req_poll(req
, ev
)) {
946 status
= ADS_ERROR_SYSTEM(errno
);
949 status
= cli_session_setup_kerberos_recv(req
);
954 #endif /* HAVE_KRB5 */
956 /****************************************************************************
957 Do a spnego/NTLMSSP encrypted session setup.
958 ****************************************************************************/
960 struct cli_session_setup_ntlmssp_state
{
961 struct tevent_context
*ev
;
962 struct cli_state
*cli
;
963 struct ntlmssp_state
*ntlmssp_state
;
968 static int cli_session_setup_ntlmssp_state_destructor(
969 struct cli_session_setup_ntlmssp_state
*state
)
971 if (state
->ntlmssp_state
!= NULL
) {
972 ntlmssp_end(&state
->ntlmssp_state
);
977 static void cli_session_setup_ntlmssp_done(struct tevent_req
*req
);
979 static struct tevent_req
*cli_session_setup_ntlmssp_send(
980 TALLOC_CTX
*mem_ctx
, struct tevent_context
*ev
, struct cli_state
*cli
,
981 const char *user
, const char *pass
, const char *domain
)
983 struct tevent_req
*req
, *subreq
;
984 struct cli_session_setup_ntlmssp_state
*state
;
988 req
= tevent_req_create(mem_ctx
, &state
,
989 struct cli_session_setup_ntlmssp_state
);
997 state
->ntlmssp_state
= NULL
;
998 talloc_set_destructor(
999 state
, cli_session_setup_ntlmssp_state_destructor
);
1001 cli_temp_set_signing(cli
);
1003 status
= ntlmssp_client_start(&state
->ntlmssp_state
);
1004 if (!NT_STATUS_IS_OK(status
)) {
1007 ntlmssp_want_feature(state
->ntlmssp_state
,
1008 NTLMSSP_FEATURE_SESSION_KEY
);
1009 if (cli
->use_ccache
) {
1010 ntlmssp_want_feature(state
->ntlmssp_state
,
1011 NTLMSSP_FEATURE_CCACHE
);
1013 status
= ntlmssp_set_username(state
->ntlmssp_state
, user
);
1014 if (!NT_STATUS_IS_OK(status
)) {
1017 status
= ntlmssp_set_domain(state
->ntlmssp_state
, domain
);
1018 if (!NT_STATUS_IS_OK(status
)) {
1021 status
= ntlmssp_set_password(state
->ntlmssp_state
, pass
);
1022 if (!NT_STATUS_IS_OK(status
)) {
1025 status
= ntlmssp_update(state
->ntlmssp_state
, data_blob_null
,
1027 if (!NT_STATUS_EQUAL(status
, NT_STATUS_MORE_PROCESSING_REQUIRED
)) {
1031 state
->blob_out
= gen_negTokenInit(OID_NTLMSSP
, blob_out
);
1032 data_blob_free(&blob_out
);
1034 subreq
= cli_sesssetup_blob_send(state
, ev
, cli
, state
->blob_out
);
1035 if (tevent_req_nomem(subreq
, req
)) {
1036 return tevent_req_post(req
, ev
);
1038 tevent_req_set_callback(subreq
, cli_session_setup_ntlmssp_done
, req
);
1041 tevent_req_nterror(req
, status
);
1042 return tevent_req_post(req
, ev
);
1045 static void cli_session_setup_ntlmssp_done(struct tevent_req
*subreq
)
1047 struct tevent_req
*req
= tevent_req_callback_data(
1048 subreq
, struct tevent_req
);
1049 struct cli_session_setup_ntlmssp_state
*state
= tevent_req_data(
1050 req
, struct cli_session_setup_ntlmssp_state
);
1051 DATA_BLOB blob_in
, msg_in
, blob_out
;
1056 status
= cli_sesssetup_blob_recv(subreq
, talloc_tos(), &blob_in
,
1058 TALLOC_FREE(subreq
);
1059 data_blob_free(&state
->blob_out
);
1061 if (NT_STATUS_IS_OK(status
)) {
1062 if (state
->cli
->server_domain
[0] == '\0') {
1063 fstrcpy(state
->cli
->server_domain
,
1064 state
->ntlmssp_state
->server_domain
);
1066 cli_set_session_key(
1067 state
->cli
, state
->ntlmssp_state
->session_key
);
1069 if (cli_simple_set_signing(
1070 state
->cli
, state
->ntlmssp_state
->session_key
,
1072 && !cli_check_sign_mac(state
->cli
, inbuf
, 1)) {
1073 TALLOC_FREE(subreq
);
1074 tevent_req_nterror(req
, NT_STATUS_ACCESS_DENIED
);
1077 TALLOC_FREE(subreq
);
1078 ntlmssp_end(&state
->ntlmssp_state
);
1079 tevent_req_done(req
);
1082 if (!NT_STATUS_EQUAL(status
, NT_STATUS_MORE_PROCESSING_REQUIRED
)) {
1083 tevent_req_nterror(req
, status
);
1087 if (blob_in
.length
== 0) {
1088 tevent_req_nterror(req
, NT_STATUS_UNSUCCESSFUL
);
1092 if ((state
->turn
== 1)
1093 && NT_STATUS_EQUAL(status
, NT_STATUS_MORE_PROCESSING_REQUIRED
)) {
1094 DATA_BLOB tmp_blob
= data_blob_null
;
1095 /* the server might give us back two challenges */
1096 parse_ret
= spnego_parse_challenge(blob_in
, &msg_in
,
1098 data_blob_free(&tmp_blob
);
1100 parse_ret
= spnego_parse_auth_response(blob_in
, status
,
1101 OID_NTLMSSP
, &msg_in
);
1106 DEBUG(3,("Failed to parse auth response\n"));
1107 if (NT_STATUS_IS_OK(status
)
1108 || NT_STATUS_EQUAL(status
,
1109 NT_STATUS_MORE_PROCESSING_REQUIRED
)) {
1111 req
, NT_STATUS_INVALID_NETWORK_RESPONSE
);
1116 status
= ntlmssp_update(state
->ntlmssp_state
, msg_in
, &blob_out
);
1118 if (!NT_STATUS_IS_OK(status
)
1119 && !NT_STATUS_EQUAL(status
, NT_STATUS_MORE_PROCESSING_REQUIRED
)) {
1120 TALLOC_FREE(subreq
);
1121 ntlmssp_end(&state
->ntlmssp_state
);
1122 tevent_req_nterror(req
, status
);
1126 state
->blob_out
= spnego_gen_auth(blob_out
);
1127 TALLOC_FREE(subreq
);
1128 if (tevent_req_nomem(state
->blob_out
.data
, req
)) {
1132 subreq
= cli_sesssetup_blob_send(state
, state
->ev
, state
->cli
,
1134 if (tevent_req_nomem(subreq
, req
)) {
1137 tevent_req_set_callback(subreq
, cli_session_setup_ntlmssp_done
, req
);
1140 static NTSTATUS
cli_session_setup_ntlmssp_recv(struct tevent_req
*req
)
1142 struct cli_session_setup_ntlmssp_state
*state
= tevent_req_data(
1143 req
, struct cli_session_setup_ntlmssp_state
);
1146 if (tevent_req_is_nterror(req
, &status
)) {
1147 state
->cli
->vuid
= 0;
1150 return NT_STATUS_OK
;
1153 static NTSTATUS
cli_session_setup_ntlmssp(struct cli_state
*cli
,
1158 struct tevent_context
*ev
;
1159 struct tevent_req
*req
;
1160 NTSTATUS status
= NT_STATUS_NO_MEMORY
;
1162 if (cli_has_async_calls(cli
)) {
1163 return NT_STATUS_INVALID_PARAMETER
;
1165 ev
= tevent_context_init(talloc_tos());
1169 req
= cli_session_setup_ntlmssp_send(ev
, ev
, cli
, user
, pass
, domain
);
1173 if (!tevent_req_poll_ntstatus(req
, ev
, &status
)) {
1176 status
= cli_session_setup_ntlmssp_recv(req
);
1179 if (!NT_STATUS_IS_OK(status
)) {
1180 cli_set_error(cli
, status
);
1185 /****************************************************************************
1186 Do a spnego encrypted session setup.
1188 user_domain: The shortname of the domain the user/machine is a member of.
1189 dest_realm: The realm we're connecting to, if NULL we use our default realm.
1190 ****************************************************************************/
1192 ADS_STATUS
cli_session_setup_spnego(struct cli_state
*cli
, const char *user
,
1193 const char *pass
, const char *user_domain
,
1194 const char * dest_realm
)
1196 char *principal
= NULL
;
1197 char *OIDs
[ASN1_MAX_OIDS
];
1200 const char *p
= NULL
;
1201 char *account
= NULL
;
1204 DEBUG(3,("Doing spnego session setup (blob length=%lu)\n", (unsigned long)cli
->secblob
.length
));
1206 /* the server might not even do spnego */
1207 if (cli
->secblob
.length
<= 16) {
1208 DEBUG(3,("server didn't supply a full spnego negprot\n"));
1213 file_save("negprot.dat", cli
->secblob
.data
, cli
->secblob
.length
);
1216 /* there is 16 bytes of GUID before the real spnego packet starts */
1217 blob
= data_blob(cli
->secblob
.data
+16, cli
->secblob
.length
-16);
1219 /* The server sent us the first part of the SPNEGO exchange in the
1220 * negprot reply. It is WRONG to depend on the principal sent in the
1221 * negprot reply, but right now we do it. If we don't receive one,
1222 * we try to best guess, then fall back to NTLM. */
1223 if (!spnego_parse_negTokenInit(blob
, OIDs
, &principal
)) {
1224 data_blob_free(&blob
);
1225 return ADS_ERROR_NT(NT_STATUS_INVALID_PARAMETER
);
1227 data_blob_free(&blob
);
1229 /* make sure the server understands kerberos */
1230 for (i
=0;OIDs
[i
];i
++) {
1232 DEBUG(3,("got OID=%s\n", OIDs
[i
]));
1234 DEBUGADD(3,("got OID=%s\n", OIDs
[i
]));
1235 if (strcmp(OIDs
[i
], OID_KERBEROS5_OLD
) == 0 ||
1236 strcmp(OIDs
[i
], OID_KERBEROS5
) == 0) {
1237 cli
->got_kerberos_mechanism
= True
;
1239 talloc_free(OIDs
[i
]);
1242 DEBUG(3,("got principal=%s\n", principal
? principal
: "<null>"));
1244 status
= cli_set_username(cli
, user
);
1245 if (!NT_STATUS_IS_OK(status
)) {
1246 return ADS_ERROR_NT(status
);
1250 /* If password is set we reauthenticate to kerberos server
1251 * and do not store results */
1253 if (cli
->got_kerberos_mechanism
&& cli
->use_kerberos
) {
1256 if (pass
&& *pass
) {
1259 use_in_memory_ccache();
1260 ret
= kerberos_kinit_password(user
, pass
, 0 /* no time correction for now */, NULL
);
1263 TALLOC_FREE(principal
);
1264 DEBUG(0, ("Kinit failed: %s\n", error_message(ret
)));
1265 if (cli
->fallback_after_kerberos
)
1267 return ADS_ERROR_KRB5(ret
);
1271 /* If we get a bad principal, try to guess it if
1272 we have a valid host NetBIOS name.
1274 if (strequal(principal
, ADS_IGNORE_PRINCIPAL
)) {
1275 TALLOC_FREE(principal
);
1278 if (principal
== NULL
&&
1279 !is_ipaddress(cli
->desthost
) &&
1280 !strequal(STAR_SMBSERVER
,
1283 char *machine
= NULL
;
1285 DEBUG(3,("cli_session_setup_spnego: got a "
1286 "bad server principal, trying to guess ...\n"));
1288 host
= strchr_m(cli
->desthost
, '.');
1290 /* We had a '.' in the name. */
1291 machine
= SMB_STRNDUP(cli
->desthost
,
1292 host
- cli
->desthost
);
1294 machine
= SMB_STRDUP(cli
->desthost
);
1296 if (machine
== NULL
) {
1297 return ADS_ERROR_NT(NT_STATUS_NO_MEMORY
);
1301 realm
= SMB_STRDUP(dest_realm
);
1306 realm
= kerberos_get_realm_from_hostname(cli
->desthost
);
1308 /* NetBIOS name - use our realm. */
1309 realm
= kerberos_get_default_realm_from_ccache();
1313 if (realm
&& *realm
) {
1316 principal
= talloc_asprintf(talloc_tos(),
1321 /* NetBIOS name, use machine account. */
1322 principal
= talloc_asprintf(talloc_tos(),
1330 return ADS_ERROR_NT(NT_STATUS_NO_MEMORY
);
1332 DEBUG(3,("cli_session_setup_spnego: guessed "
1333 "server principal=%s\n",
1334 principal
? principal
: "<null>"));
1341 rc
= cli_session_setup_kerberos(cli
, principal
,
1343 if (ADS_ERR_OK(rc
) || !cli
->fallback_after_kerberos
) {
1344 TALLOC_FREE(principal
);
1351 TALLOC_FREE(principal
);
1355 account
= talloc_strdup(talloc_tos(), user
);
1357 return ADS_ERROR_NT(NT_STATUS_NO_MEMORY
);
1360 /* when falling back to ntlmssp while authenticating with a machine
1361 * account strip off the realm - gd */
1363 if ((p
= strchr_m(user
, '@')) != NULL
) {
1364 account
[PTR_DIFF(p
,user
)] = '\0';
1367 return ADS_ERROR_NT(cli_session_setup_ntlmssp(cli
, account
, pass
, user_domain
));
1370 /****************************************************************************
1371 Send a session setup. The username and workgroup is in UNIX character
1372 format and must be converted to DOS codepage format before sending. If the
1373 password is in plaintext, the same should be done.
1374 ****************************************************************************/
1376 NTSTATUS
cli_session_setup(struct cli_state
*cli
,
1378 const char *pass
, int passlen
,
1379 const char *ntpass
, int ntpasslen
,
1380 const char *workgroup
)
1386 fstrcpy(user2
, user
);
1395 /* allow for workgroups as part of the username */
1396 if ((p
=strchr_m(user2
,'\\')) || (p
=strchr_m(user2
,'/')) ||
1397 (p
=strchr_m(user2
,*lp_winbind_separator()))) {
1403 if (cli
->protocol
< PROTOCOL_LANMAN1
) {
1404 return NT_STATUS_OK
;
1407 /* now work out what sort of session setup we are going to
1408 do. I have split this into separate functions to make the
1409 flow a bit easier to understand (tridge) */
1411 /* if its an older server then we have to use the older request format */
1413 if (cli
->protocol
< PROTOCOL_NT1
) {
1414 if (!lp_client_lanman_auth() && passlen
!= 24 && (*pass
)) {
1415 DEBUG(1, ("Server requested LM password but 'client lanman auth'"
1417 return NT_STATUS_ACCESS_DENIED
;
1420 if ((cli
->sec_mode
& NEGOTIATE_SECURITY_CHALLENGE_RESPONSE
) == 0 &&
1421 !lp_client_plaintext_auth() && (*pass
)) {
1422 DEBUG(1, ("Server requested plaintext password but "
1423 "'client plaintext auth' is disabled\n"));
1424 return NT_STATUS_ACCESS_DENIED
;
1427 return cli_session_setup_lanman2(cli
, user
, pass
, passlen
,
1431 /* if no user is supplied then we have to do an anonymous connection.
1432 passwords are ignored */
1434 if (!user
|| !*user
)
1435 return cli_session_setup_guest(cli
);
1437 /* if the server is share level then send a plaintext null
1438 password at this point. The password is sent in the tree
1441 if ((cli
->sec_mode
& NEGOTIATE_SECURITY_USER_LEVEL
) == 0)
1442 return cli_session_setup_plaintext(cli
, user
, "", workgroup
);
1444 /* if the server doesn't support encryption then we have to use
1445 plaintext. The second password is ignored */
1447 if ((cli
->sec_mode
& NEGOTIATE_SECURITY_CHALLENGE_RESPONSE
) == 0) {
1448 if (!lp_client_plaintext_auth() && (*pass
)) {
1449 DEBUG(1, ("Server requested plaintext password but "
1450 "'client plaintext auth' is disabled\n"));
1451 return NT_STATUS_ACCESS_DENIED
;
1453 return cli_session_setup_plaintext(cli
, user
, pass
, workgroup
);
1456 /* if the server supports extended security then use SPNEGO */
1458 if (cli
->capabilities
& CAP_EXTENDED_SECURITY
) {
1459 ADS_STATUS status
= cli_session_setup_spnego(cli
, user
, pass
,
1461 if (!ADS_ERR_OK(status
)) {
1462 DEBUG(3, ("SPNEGO login failed: %s\n", ads_errstr(status
)));
1463 return ads_ntstatus(status
);
1468 /* otherwise do a NT1 style session setup */
1469 status
= cli_session_setup_nt1(cli
, user
, pass
, passlen
,
1470 ntpass
, ntpasslen
, workgroup
);
1471 if (!NT_STATUS_IS_OK(status
)) {
1472 DEBUG(3,("cli_session_setup: NT1 session setup "
1473 "failed: %s\n", nt_errstr(status
)));
1478 if (strstr(cli
->server_type
, "Samba")) {
1479 cli
->is_samba
= True
;
1482 return NT_STATUS_OK
;
1485 /****************************************************************************
1487 *****************************************************************************/
1489 struct cli_ulogoff_state
{
1490 struct cli_state
*cli
;
1494 static void cli_ulogoff_done(struct tevent_req
*subreq
);
1496 struct tevent_req
*cli_ulogoff_send(TALLOC_CTX
*mem_ctx
,
1497 struct tevent_context
*ev
,
1498 struct cli_state
*cli
)
1500 struct tevent_req
*req
, *subreq
;
1501 struct cli_ulogoff_state
*state
;
1503 req
= tevent_req_create(mem_ctx
, &state
, struct cli_ulogoff_state
);
1509 SCVAL(state
->vwv
+0, 0, 0xFF);
1510 SCVAL(state
->vwv
+1, 0, 0);
1511 SSVAL(state
->vwv
+2, 0, 0);
1513 subreq
= cli_smb_send(state
, ev
, cli
, SMBulogoffX
, 0, 2, state
->vwv
,
1515 if (tevent_req_nomem(subreq
, req
)) {
1516 return tevent_req_post(req
, ev
);
1518 tevent_req_set_callback(subreq
, cli_ulogoff_done
, req
);
1522 static void cli_ulogoff_done(struct tevent_req
*subreq
)
1524 struct tevent_req
*req
= tevent_req_callback_data(
1525 subreq
, struct tevent_req
);
1526 struct cli_ulogoff_state
*state
= tevent_req_data(
1527 req
, struct cli_ulogoff_state
);
1530 status
= cli_smb_recv(subreq
, NULL
, NULL
, 0, NULL
, NULL
, NULL
, NULL
);
1531 if (!NT_STATUS_IS_OK(status
)) {
1532 tevent_req_nterror(req
, status
);
1535 state
->cli
->vuid
= -1;
1536 tevent_req_done(req
);
1539 NTSTATUS
cli_ulogoff_recv(struct tevent_req
*req
)
1541 return tevent_req_simple_recv_ntstatus(req
);
1544 NTSTATUS
cli_ulogoff(struct cli_state
*cli
)
1546 struct tevent_context
*ev
;
1547 struct tevent_req
*req
;
1548 NTSTATUS status
= NT_STATUS_NO_MEMORY
;
1550 if (cli_has_async_calls(cli
)) {
1551 return NT_STATUS_INVALID_PARAMETER
;
1553 ev
= tevent_context_init(talloc_tos());
1557 req
= cli_ulogoff_send(ev
, ev
, cli
);
1561 if (!tevent_req_poll_ntstatus(req
, ev
, &status
)) {
1564 status
= cli_ulogoff_recv(req
);
1567 if (!NT_STATUS_IS_OK(status
)) {
1568 cli_set_error(cli
, status
);
1573 /****************************************************************************
1575 ****************************************************************************/
1577 struct cli_tcon_andx_state
{
1578 struct cli_state
*cli
;
1583 static void cli_tcon_andx_done(struct tevent_req
*subreq
);
1585 struct tevent_req
*cli_tcon_andx_create(TALLOC_CTX
*mem_ctx
,
1586 struct event_context
*ev
,
1587 struct cli_state
*cli
,
1588 const char *share
, const char *dev
,
1589 const char *pass
, int passlen
,
1590 struct tevent_req
**psmbreq
)
1592 struct tevent_req
*req
, *subreq
;
1593 struct cli_tcon_andx_state
*state
;
1601 req
= tevent_req_create(mem_ctx
, &state
, struct cli_tcon_andx_state
);
1608 fstrcpy(cli
->share
, share
);
1610 /* in user level security don't send a password now */
1611 if (cli
->sec_mode
& NEGOTIATE_SECURITY_USER_LEVEL
) {
1614 } else if (pass
== NULL
) {
1615 DEBUG(1, ("Server not using user level security and no "
1616 "password supplied.\n"));
1620 if ((cli
->sec_mode
& NEGOTIATE_SECURITY_CHALLENGE_RESPONSE
) &&
1621 *pass
&& passlen
!= 24) {
1622 if (!lp_client_lanman_auth()) {
1623 DEBUG(1, ("Server requested LANMAN password "
1624 "(share-level security) but "
1625 "'client lanman auth' is disabled\n"));
1630 * Non-encrypted passwords - convert to DOS codepage before
1634 SMBencrypt(pass
, cli
->secblob
.data
, (uchar
*)pword
);
1636 if((cli
->sec_mode
& (NEGOTIATE_SECURITY_USER_LEVEL
1637 |NEGOTIATE_SECURITY_CHALLENGE_RESPONSE
))
1639 if (!lp_client_plaintext_auth() && (*pass
)) {
1640 DEBUG(1, ("Server requested plaintext "
1641 "password but 'client plaintext "
1642 "auth' is disabled\n"));
1647 * Non-encrypted passwords - convert to DOS codepage
1650 passlen
= clistr_push(cli
, pword
, pass
, sizeof(pword
),
1652 if (passlen
== -1) {
1653 DEBUG(1, ("clistr_push(pword) failed\n"));
1658 memcpy(pword
, pass
, passlen
);
1663 SCVAL(vwv
+0, 0, 0xFF);
1666 SSVAL(vwv
+2, 0, TCONX_FLAG_EXTENDED_RESPONSE
);
1667 SSVAL(vwv
+3, 0, passlen
);
1670 bytes
= (uint8_t *)talloc_memdup(state
, pword
, passlen
);
1672 bytes
= talloc_array(state
, uint8_t, 0);
1678 tmp
= talloc_asprintf_strupper_m(talloc_tos(), "\\\\%s\\%s",
1679 cli
->desthost
, share
);
1684 bytes
= smb_bytes_push_str(bytes
, cli_ucs2(cli
), tmp
, strlen(tmp
)+1,
1689 * Add the devicetype
1691 tmp
= talloc_strdup_upper(talloc_tos(), dev
);
1696 bytes
= smb_bytes_push_str(bytes
, false, tmp
, strlen(tmp
)+1, NULL
);
1699 if (bytes
== NULL
) {
1704 state
->bytes
.iov_base
= (void *)bytes
;
1705 state
->bytes
.iov_len
= talloc_get_size(bytes
);
1707 subreq
= cli_smb_req_create(state
, ev
, cli
, SMBtconX
, 0, 4, vwv
,
1709 if (subreq
== NULL
) {
1713 tevent_req_set_callback(subreq
, cli_tcon_andx_done
, req
);
1718 tevent_req_nterror(req
, NT_STATUS_ACCESS_DENIED
);
1719 return tevent_req_post(req
, ev
);
1722 struct tevent_req
*cli_tcon_andx_send(TALLOC_CTX
*mem_ctx
,
1723 struct event_context
*ev
,
1724 struct cli_state
*cli
,
1725 const char *share
, const char *dev
,
1726 const char *pass
, int passlen
)
1728 struct tevent_req
*req
, *subreq
;
1731 req
= cli_tcon_andx_create(mem_ctx
, ev
, cli
, share
, dev
, pass
, passlen
,
1736 if (subreq
== NULL
) {
1739 status
= cli_smb_req_send(subreq
);
1740 if (!NT_STATUS_IS_OK(status
)) {
1741 tevent_req_nterror(req
, status
);
1742 return tevent_req_post(req
, ev
);
1747 static void cli_tcon_andx_done(struct tevent_req
*subreq
)
1749 struct tevent_req
*req
= tevent_req_callback_data(
1750 subreq
, struct tevent_req
);
1751 struct cli_tcon_andx_state
*state
= tevent_req_data(
1752 req
, struct cli_tcon_andx_state
);
1753 struct cli_state
*cli
= state
->cli
;
1762 status
= cli_smb_recv(subreq
, state
, &in
, 0, &wct
, &vwv
,
1763 &num_bytes
, &bytes
);
1764 TALLOC_FREE(subreq
);
1765 if (!NT_STATUS_IS_OK(status
)) {
1766 tevent_req_nterror(req
, status
);
1772 clistr_pull(inbuf
, cli
->dev
, bytes
, sizeof(fstring
), num_bytes
,
1773 STR_TERMINATE
|STR_ASCII
);
1775 if ((cli
->protocol
>= PROTOCOL_NT1
) && (num_bytes
== 3)) {
1776 /* almost certainly win95 - enable bug fixes */
1781 * Make sure that we have the optional support 16-bit field. WCT > 2.
1782 * Avoids issues when connecting to Win9x boxes sharing files
1785 cli
->dfsroot
= false;
1787 if ((wct
> 2) && (cli
->protocol
>= PROTOCOL_LANMAN2
)) {
1788 cli
->dfsroot
= ((SVAL(vwv
+2, 0) & SMB_SHARE_IN_DFS
) != 0);
1791 cli
->cnum
= SVAL(inbuf
,smb_tid
);
1792 tevent_req_done(req
);
1795 NTSTATUS
cli_tcon_andx_recv(struct tevent_req
*req
)
1797 return tevent_req_simple_recv_ntstatus(req
);
1800 NTSTATUS
cli_tcon_andx(struct cli_state
*cli
, const char *share
,
1801 const char *dev
, const char *pass
, int passlen
)
1803 TALLOC_CTX
*frame
= talloc_stackframe();
1804 struct event_context
*ev
;
1805 struct tevent_req
*req
;
1806 NTSTATUS status
= NT_STATUS_OK
;
1808 if (cli_has_async_calls(cli
)) {
1810 * Can't use sync call while an async call is in flight
1812 status
= NT_STATUS_INVALID_PARAMETER
;
1816 ev
= event_context_init(frame
);
1818 status
= NT_STATUS_NO_MEMORY
;
1822 req
= cli_tcon_andx_send(frame
, ev
, cli
, share
, dev
, pass
, passlen
);
1824 status
= NT_STATUS_NO_MEMORY
;
1828 if (!tevent_req_poll(req
, ev
)) {
1829 status
= map_nt_error_from_unix(errno
);
1833 status
= cli_tcon_andx_recv(req
);
1836 if (!NT_STATUS_IS_OK(status
)) {
1837 cli_set_error(cli
, status
);
1842 /****************************************************************************
1843 Send a tree disconnect.
1844 ****************************************************************************/
1846 struct cli_tdis_state
{
1847 struct cli_state
*cli
;
1850 static void cli_tdis_done(struct tevent_req
*subreq
);
1852 struct tevent_req
*cli_tdis_send(TALLOC_CTX
*mem_ctx
,
1853 struct tevent_context
*ev
,
1854 struct cli_state
*cli
)
1856 struct tevent_req
*req
, *subreq
;
1857 struct cli_tdis_state
*state
;
1859 req
= tevent_req_create(mem_ctx
, &state
, struct cli_tdis_state
);
1865 subreq
= cli_smb_send(state
, ev
, cli
, SMBtdis
, 0, 0, NULL
, 0, NULL
);
1866 if (tevent_req_nomem(subreq
, req
)) {
1867 return tevent_req_post(req
, ev
);
1869 tevent_req_set_callback(subreq
, cli_tdis_done
, req
);
1873 static void cli_tdis_done(struct tevent_req
*subreq
)
1875 struct tevent_req
*req
= tevent_req_callback_data(
1876 subreq
, struct tevent_req
);
1877 struct cli_tdis_state
*state
= tevent_req_data(
1878 req
, struct cli_tdis_state
);
1881 status
= cli_smb_recv(subreq
, NULL
, NULL
, 0, NULL
, NULL
, NULL
, NULL
);
1882 TALLOC_FREE(subreq
);
1883 if (!NT_STATUS_IS_OK(status
)) {
1884 tevent_req_nterror(req
, status
);
1887 state
->cli
->cnum
= -1;
1888 tevent_req_done(req
);
1891 NTSTATUS
cli_tdis_recv(struct tevent_req
*req
)
1893 return tevent_req_simple_recv_ntstatus(req
);
1896 NTSTATUS
cli_tdis(struct cli_state
*cli
)
1898 struct tevent_context
*ev
;
1899 struct tevent_req
*req
;
1900 NTSTATUS status
= NT_STATUS_NO_MEMORY
;
1902 if (cli_has_async_calls(cli
)) {
1903 return NT_STATUS_INVALID_PARAMETER
;
1905 ev
= tevent_context_init(talloc_tos());
1909 req
= cli_tdis_send(ev
, ev
, cli
);
1913 if (!tevent_req_poll_ntstatus(req
, ev
, &status
)) {
1916 status
= cli_tdis_recv(req
);
1919 if (!NT_STATUS_IS_OK(status
)) {
1920 cli_set_error(cli
, status
);
1925 /****************************************************************************
1926 Send a negprot command.
1927 ****************************************************************************/
1929 void cli_negprot_sendsync(struct cli_state
*cli
)
1934 if (cli
->protocol
< PROTOCOL_NT1
)
1935 cli
->use_spnego
= False
;
1937 memset(cli
->outbuf
,'\0',smb_size
);
1939 /* setup the protocol strings */
1940 cli_set_message(cli
->outbuf
,0,0,True
);
1942 p
= smb_buf(cli
->outbuf
);
1943 for (numprots
=0; numprots
< ARRAY_SIZE(prots
); numprots
++) {
1944 if (prots
[numprots
].prot
> cli
->protocol
) {
1948 p
+= clistr_push(cli
, p
, prots
[numprots
].name
, -1, STR_TERMINATE
);
1951 SCVAL(cli
->outbuf
,smb_com
,SMBnegprot
);
1952 cli_setup_bcc(cli
, p
);
1953 cli_setup_packet(cli
);
1955 SCVAL(smb_buf(cli
->outbuf
),0,2);
1960 /****************************************************************************
1961 Send a negprot command.
1962 ****************************************************************************/
1964 struct cli_negprot_state
{
1965 struct cli_state
*cli
;
1968 static void cli_negprot_done(struct tevent_req
*subreq
);
1970 struct tevent_req
*cli_negprot_send(TALLOC_CTX
*mem_ctx
,
1971 struct event_context
*ev
,
1972 struct cli_state
*cli
)
1974 struct tevent_req
*req
, *subreq
;
1975 struct cli_negprot_state
*state
;
1976 uint8_t *bytes
= NULL
;
1980 req
= tevent_req_create(mem_ctx
, &state
, struct cli_negprot_state
);
1986 if (cli
->protocol
< PROTOCOL_NT1
)
1987 cli
->use_spnego
= False
;
1989 /* setup the protocol strings */
1990 for (numprots
=0; numprots
< ARRAY_SIZE(prots
); numprots
++) {
1992 if (prots
[numprots
].prot
> cli
->protocol
) {
1995 bytes
= (uint8_t *)talloc_append_blob(
1996 state
, bytes
, data_blob_const(&c
, sizeof(c
)));
1997 if (tevent_req_nomem(bytes
, req
)) {
1998 return tevent_req_post(req
, ev
);
2000 bytes
= smb_bytes_push_str(bytes
, false,
2001 prots
[numprots
].name
,
2002 strlen(prots
[numprots
].name
)+1,
2004 if (tevent_req_nomem(bytes
, req
)) {
2005 return tevent_req_post(req
, ev
);
2012 subreq
= cli_smb_send(state
, ev
, cli
, SMBnegprot
, 0, 0, NULL
,
2013 talloc_get_size(bytes
), bytes
);
2016 if (tevent_req_nomem(subreq
, req
)) {
2017 return tevent_req_post(req
, ev
);
2019 tevent_req_set_callback(subreq
, cli_negprot_done
, req
);
2023 static void cli_negprot_done(struct tevent_req
*subreq
)
2025 struct tevent_req
*req
= tevent_req_callback_data(
2026 subreq
, struct tevent_req
);
2027 struct cli_negprot_state
*state
= tevent_req_data(
2028 req
, struct cli_negprot_state
);
2029 struct cli_state
*cli
= state
->cli
;
2038 status
= cli_smb_recv(subreq
, state
, &inbuf
, 1, &wct
, &vwv
,
2039 &num_bytes
, &bytes
);
2040 TALLOC_FREE(subreq
);
2041 if (!NT_STATUS_IS_OK(status
)) {
2042 tevent_req_nterror(req
, status
);
2046 protnum
= SVAL(vwv
, 0);
2048 if ((protnum
>= ARRAY_SIZE(prots
))
2049 || (prots
[protnum
].prot
> cli
->protocol
)) {
2050 tevent_req_nterror(req
, NT_STATUS_INVALID_NETWORK_RESPONSE
);
2054 cli
->protocol
= prots
[protnum
].prot
;
2056 if ((cli
->protocol
< PROTOCOL_NT1
) &&
2057 client_is_signing_mandatory(cli
)) {
2058 DEBUG(0,("cli_negprot: SMB signing is mandatory and the selected protocol level doesn't support it.\n"));
2059 tevent_req_nterror(req
, NT_STATUS_ACCESS_DENIED
);
2063 if (cli
->protocol
>= PROTOCOL_NT1
) {
2065 bool negotiated_smb_signing
= false;
2068 cli
->sec_mode
= CVAL(vwv
+ 1, 0);
2069 cli
->max_mux
= SVAL(vwv
+ 1, 1);
2070 cli
->max_xmit
= IVAL(vwv
+ 3, 1);
2071 cli
->sesskey
= IVAL(vwv
+ 7, 1);
2072 cli
->serverzone
= SVALS(vwv
+ 15, 1);
2073 cli
->serverzone
*= 60;
2074 /* this time arrives in real GMT */
2075 ts
= interpret_long_date(((char *)(vwv
+11))+1);
2076 cli
->servertime
= ts
.tv_sec
;
2077 cli
->secblob
= data_blob(bytes
, num_bytes
);
2078 cli
->capabilities
= IVAL(vwv
+ 9, 1);
2079 if (cli
->capabilities
& CAP_RAW_MODE
) {
2080 cli
->readbraw_supported
= True
;
2081 cli
->writebraw_supported
= True
;
2083 /* work out if they sent us a workgroup */
2084 if (!(cli
->capabilities
& CAP_EXTENDED_SECURITY
) &&
2085 smb_buflen(cli
->inbuf
) > 8) {
2086 clistr_pull(cli
->inbuf
, cli
->server_domain
,
2087 bytes
+8, sizeof(cli
->server_domain
),
2089 STR_UNICODE
|STR_NOALIGN
);
2093 * As signing is slow we only turn it on if either the client or
2094 * the server require it. JRA.
2097 if (cli
->sec_mode
& NEGOTIATE_SECURITY_SIGNATURES_REQUIRED
) {
2098 /* Fail if server says signing is mandatory and we don't want to support it. */
2099 if (!client_is_signing_allowed(cli
)) {
2100 DEBUG(0,("cli_negprot: SMB signing is mandatory and we have disabled it.\n"));
2101 tevent_req_nterror(req
,
2102 NT_STATUS_ACCESS_DENIED
);
2105 negotiated_smb_signing
= true;
2106 } else if (client_is_signing_mandatory(cli
) && client_is_signing_allowed(cli
)) {
2107 /* Fail if client says signing is mandatory and the server doesn't support it. */
2108 if (!(cli
->sec_mode
& NEGOTIATE_SECURITY_SIGNATURES_ENABLED
)) {
2109 DEBUG(1,("cli_negprot: SMB signing is mandatory and the server doesn't support it.\n"));
2110 tevent_req_nterror(req
,
2111 NT_STATUS_ACCESS_DENIED
);
2114 negotiated_smb_signing
= true;
2115 } else if (cli
->sec_mode
& NEGOTIATE_SECURITY_SIGNATURES_ENABLED
) {
2116 negotiated_smb_signing
= true;
2119 if (negotiated_smb_signing
) {
2120 cli_set_signing_negotiated(cli
);
2123 if (cli
->capabilities
& (CAP_LARGE_READX
|CAP_LARGE_WRITEX
)) {
2124 SAFE_FREE(cli
->outbuf
);
2125 SAFE_FREE(cli
->inbuf
);
2126 cli
->outbuf
= (char *)SMB_MALLOC(CLI_SAMBA_MAX_LARGE_READX_SIZE
+LARGE_WRITEX_HDR_SIZE
+SAFETY_MARGIN
);
2127 cli
->inbuf
= (char *)SMB_MALLOC(CLI_SAMBA_MAX_LARGE_READX_SIZE
+LARGE_WRITEX_HDR_SIZE
+SAFETY_MARGIN
);
2128 cli
->bufsize
= CLI_SAMBA_MAX_LARGE_READX_SIZE
+ LARGE_WRITEX_HDR_SIZE
;
2131 } else if (cli
->protocol
>= PROTOCOL_LANMAN1
) {
2132 cli
->use_spnego
= False
;
2133 cli
->sec_mode
= SVAL(vwv
+ 1, 0);
2134 cli
->max_xmit
= SVAL(vwv
+ 2, 0);
2135 cli
->max_mux
= SVAL(vwv
+ 3, 0);
2136 cli
->sesskey
= IVAL(vwv
+ 6, 0);
2137 cli
->serverzone
= SVALS(vwv
+ 10, 0);
2138 cli
->serverzone
*= 60;
2139 /* this time is converted to GMT by make_unix_date */
2140 cli
->servertime
= cli_make_unix_date(
2141 cli
, (char *)(vwv
+ 8));
2142 cli
->readbraw_supported
= ((SVAL(vwv
+ 5, 0) & 0x1) != 0);
2143 cli
->writebraw_supported
= ((SVAL(vwv
+ 5, 0) & 0x2) != 0);
2144 cli
->secblob
= data_blob(bytes
, num_bytes
);
2146 /* the old core protocol */
2147 cli
->use_spnego
= False
;
2149 cli
->serverzone
= get_time_zone(time(NULL
));
2152 cli
->max_xmit
= MIN(cli
->max_xmit
, CLI_BUFFER_SIZE
);
2154 /* a way to force ascii SMB */
2155 if (getenv("CLI_FORCE_ASCII"))
2156 cli
->capabilities
&= ~CAP_UNICODE
;
2158 tevent_req_done(req
);
2161 NTSTATUS
cli_negprot_recv(struct tevent_req
*req
)
2163 return tevent_req_simple_recv_ntstatus(req
);
2166 NTSTATUS
cli_negprot(struct cli_state
*cli
)
2168 TALLOC_CTX
*frame
= talloc_stackframe();
2169 struct event_context
*ev
;
2170 struct tevent_req
*req
;
2171 NTSTATUS status
= NT_STATUS_OK
;
2173 if (cli_has_async_calls(cli
)) {
2175 * Can't use sync call while an async call is in flight
2177 status
= NT_STATUS_INVALID_PARAMETER
;
2181 ev
= event_context_init(frame
);
2183 status
= NT_STATUS_NO_MEMORY
;
2187 req
= cli_negprot_send(frame
, ev
, cli
);
2189 status
= NT_STATUS_NO_MEMORY
;
2193 if (!tevent_req_poll(req
, ev
)) {
2194 status
= map_nt_error_from_unix(errno
);
2198 status
= cli_negprot_recv(req
);
2201 if (!NT_STATUS_IS_OK(status
)) {
2202 cli_set_error(cli
, status
);
2207 /****************************************************************************
2208 Send a session request. See rfc1002.txt 4.3 and 4.3.2.
2209 ****************************************************************************/
2211 bool cli_session_request(struct cli_state
*cli
,
2212 struct nmb_name
*calling
, struct nmb_name
*called
)
2218 /* 445 doesn't have session request */
2219 if (cli
->port
== 445)
2222 memcpy(&(cli
->calling
), calling
, sizeof(*calling
));
2223 memcpy(&(cli
->called
), called
, sizeof(*called
));
2225 /* put in the destination name */
2227 tmp
= name_mangle(talloc_tos(), cli
->called
.name
,
2228 cli
->called
.name_type
);
2233 p
= cli
->outbuf
+len
;
2234 memcpy(p
, tmp
, name_len(tmp
));
2235 len
+= name_len(tmp
);
2240 tmp
= name_mangle(talloc_tos(), cli
->calling
.name
,
2241 cli
->calling
.name_type
);
2246 p
= cli
->outbuf
+len
;
2247 memcpy(p
, tmp
, name_len(tmp
));
2248 len
+= name_len(tmp
);
2251 /* send a session request (RFC 1002) */
2252 /* setup the packet length
2253 * Remove four bytes from the length count, since the length
2254 * field in the NBT Session Service header counts the number
2255 * of bytes which follow. The cli_send_smb() function knows
2256 * about this and accounts for those four bytes.
2260 _smb_setlen(cli
->outbuf
,len
);
2261 SCVAL(cli
->outbuf
,0,0x81);
2264 DEBUG(5,("Sent session request\n"));
2266 if (!cli_receive_smb(cli
))
2269 if (CVAL(cli
->inbuf
,0) == 0x84) {
2270 /* C. Hoch 9/14/95 Start */
2271 /* For information, here is the response structure.
2272 * We do the byte-twiddling to for portability.
2273 struct RetargetResponse{
2275 unsigned char flags;
2281 uint16_t port
= (CVAL(cli
->inbuf
,8)<<8)+CVAL(cli
->inbuf
,9);
2282 struct in_addr dest_ip
;
2285 /* SESSION RETARGET */
2286 putip((char *)&dest_ip
,cli
->inbuf
+4);
2287 in_addr_to_sockaddr_storage(&cli
->dest_ss
, dest_ip
);
2289 status
= open_socket_out(&cli
->dest_ss
, port
,
2290 LONG_CONNECT_TIMEOUT
, &cli
->fd
);
2291 if (!NT_STATUS_IS_OK(status
)) {
2295 DEBUG(3,("Retargeted\n"));
2297 set_socket_options(cli
->fd
, lp_socket_options());
2304 DEBUG(0,("Retarget recursion - failing\n"));
2308 ret
= cli_session_request(cli
, calling
, called
);
2312 } /* C. Hoch 9/14/95 End */
2314 if (CVAL(cli
->inbuf
,0) != 0x82) {
2315 /* This is the wrong place to put the error... JRA. */
2316 cli
->rap_error
= CVAL(cli
->inbuf
,4);
2326 static void smb_sock_connected(struct tevent_req
*req
)
2328 struct fd_struct
*pfd
= tevent_req_callback_data(
2329 req
, struct fd_struct
);
2333 status
= open_socket_out_defer_recv(req
, &fd
);
2334 if (NT_STATUS_IS_OK(status
)) {
2339 static NTSTATUS
open_smb_socket(const struct sockaddr_storage
*pss
,
2340 uint16_t *port
, int timeout
, int *pfd
)
2342 struct event_context
*ev
;
2343 struct tevent_req
*r139
, *r445
;
2344 struct fd_struct
*fd139
, *fd445
;
2345 NTSTATUS status
= NT_STATUS_NO_MEMORY
;
2348 return open_socket_out(pss
, *port
, timeout
, pfd
);
2351 ev
= event_context_init(talloc_tos());
2353 return NT_STATUS_NO_MEMORY
;
2356 fd139
= talloc(ev
, struct fd_struct
);
2357 if (fd139
== NULL
) {
2362 fd445
= talloc(ev
, struct fd_struct
);
2363 if (fd445
== NULL
) {
2368 r445
= open_socket_out_defer_send(ev
, ev
, timeval_set(0, 0),
2370 r139
= open_socket_out_defer_send(ev
, ev
, timeval_set(0, 3000),
2372 if ((r445
== NULL
) || (r139
== NULL
)) {
2375 tevent_req_set_callback(r445
, smb_sock_connected
, fd445
);
2376 tevent_req_set_callback(r139
, smb_sock_connected
, fd139
);
2378 while ((fd445
->fd
== -1) && (fd139
->fd
== -1)
2379 && (tevent_req_is_in_progress(r139
)
2380 || tevent_req_is_in_progress(r445
))) {
2381 event_loop_once(ev
);
2384 if ((fd139
->fd
!= -1) && (fd445
->fd
!= -1)) {
2389 if (fd445
->fd
!= -1) {
2392 status
= NT_STATUS_OK
;
2395 if (fd139
->fd
!= -1) {
2398 status
= NT_STATUS_OK
;
2402 status
= open_socket_out_defer_recv(r445
, &fd445
->fd
);
2408 /****************************************************************************
2409 Open the client sockets.
2410 ****************************************************************************/
2412 NTSTATUS
cli_connect(struct cli_state
*cli
,
2414 struct sockaddr_storage
*dest_ss
)
2417 int name_type
= 0x20;
2418 TALLOC_CTX
*frame
= talloc_stackframe();
2419 unsigned int num_addrs
= 0;
2421 struct sockaddr_storage
*ss_arr
= NULL
;
2424 /* reasonable default hostname */
2426 host
= STAR_SMBSERVER
;
2429 fstrcpy(cli
->desthost
, host
);
2431 /* allow hostnames of the form NAME#xx and do a netbios lookup */
2432 if ((p
= strchr(cli
->desthost
, '#'))) {
2433 name_type
= strtol(p
+1, NULL
, 16);
2437 if (!dest_ss
|| is_zero_addr((struct sockaddr
*)dest_ss
)) {
2438 NTSTATUS status
=resolve_name_list(frame
,
2443 if (!NT_STATUS_IS_OK(status
)) {
2445 return NT_STATUS_BAD_NETWORK_NAME
;
2449 ss_arr
= TALLOC_P(frame
, struct sockaddr_storage
);
2452 return NT_STATUS_NO_MEMORY
;
2457 for (i
= 0; i
< num_addrs
; i
++) {
2458 cli
->dest_ss
= ss_arr
[i
];
2459 if (getenv("LIBSMB_PROG")) {
2460 cli
->fd
= sock_exec(getenv("LIBSMB_PROG"));
2462 uint16_t port
= cli
->port
;
2464 status
= open_smb_socket(&cli
->dest_ss
, &port
,
2465 cli
->timeout
, &cli
->fd
);
2466 if (NT_STATUS_IS_OK(status
)) {
2470 if (cli
->fd
== -1) {
2471 char addr
[INET6_ADDRSTRLEN
];
2472 print_sockaddr(addr
, sizeof(addr
), &ss_arr
[i
]);
2473 DEBUG(2,("Error connecting to %s (%s)\n",
2474 dest_ss
?addr
:host
,strerror(errno
)));
2476 /* Exit from loop on first connection. */
2481 if (cli
->fd
== -1) {
2483 return map_nt_error_from_unix(errno
);
2487 *dest_ss
= cli
->dest_ss
;
2490 set_socket_options(cli
->fd
, lp_socket_options());
2493 return NT_STATUS_OK
;
2497 establishes a connection to after the negprot.
2498 @param output_cli A fully initialised cli structure, non-null only on success
2499 @param dest_host The netbios name of the remote host
2500 @param dest_ss (optional) The the destination IP, NULL for name based lookup
2501 @param port (optional) The destination port (0 for default)
2502 @param retry bool. Did this connection fail with a retryable error ?
2505 NTSTATUS
cli_start_connection(struct cli_state
**output_cli
,
2506 const char *my_name
,
2507 const char *dest_host
,
2508 struct sockaddr_storage
*dest_ss
, int port
,
2509 int signing_state
, int flags
,
2513 struct nmb_name calling
;
2514 struct nmb_name called
;
2515 struct cli_state
*cli
;
2516 struct sockaddr_storage ss
;
2522 my_name
= global_myname();
2524 if (!(cli
= cli_initialise_ex(signing_state
))) {
2525 return NT_STATUS_NO_MEMORY
;
2528 make_nmb_name(&calling
, my_name
, 0x0);
2529 make_nmb_name(&called
, dest_host
, 0x20);
2531 cli_set_port(cli
, port
);
2532 cli_set_timeout(cli
, 10000); /* 10 seconds. */
2542 DEBUG(3,("Connecting to host=%s\n", dest_host
));
2544 nt_status
= cli_connect(cli
, dest_host
, &ss
);
2545 if (!NT_STATUS_IS_OK(nt_status
)) {
2546 char addr
[INET6_ADDRSTRLEN
];
2547 print_sockaddr(addr
, sizeof(addr
), &ss
);
2548 DEBUG(1,("cli_start_connection: failed to connect to %s (%s). Error %s\n",
2549 nmb_namestr(&called
), addr
, nt_errstr(nt_status
) ));
2557 if (!cli_session_request(cli
, &calling
, &called
)) {
2559 DEBUG(1,("session request to %s failed (%s)\n",
2560 called
.name
, cli_errstr(cli
)));
2561 if ((p
=strchr(called
.name
, '.')) && !is_ipaddress(called
.name
)) {
2565 if (strcmp(called
.name
, STAR_SMBSERVER
)) {
2566 make_nmb_name(&called
, STAR_SMBSERVER
, 0x20);
2569 return NT_STATUS_BAD_NETWORK_NAME
;
2572 if (flags
& CLI_FULL_CONNECTION_DONT_SPNEGO
)
2573 cli
->use_spnego
= False
;
2574 else if (flags
& CLI_FULL_CONNECTION_USE_KERBEROS
)
2575 cli
->use_kerberos
= True
;
2577 if ((flags
& CLI_FULL_CONNECTION_FALLBACK_AFTER_KERBEROS
) &&
2578 cli
->use_kerberos
) {
2579 cli
->fallback_after_kerberos
= true;
2581 if (flags
& CLI_FULL_CONNECTION_USE_CCACHE
) {
2582 cli
->use_ccache
= true;
2585 nt_status
= cli_negprot(cli
);
2586 if (!NT_STATUS_IS_OK(nt_status
)) {
2587 DEBUG(1, ("failed negprot: %s\n", nt_errstr(nt_status
)));
2593 return NT_STATUS_OK
;
2598 establishes a connection right up to doing tconX, password specified.
2599 @param output_cli A fully initialised cli structure, non-null only on success
2600 @param dest_host The netbios name of the remote host
2601 @param dest_ip (optional) The the destination IP, NULL for name based lookup
2602 @param port (optional) The destination port (0 for default)
2603 @param service (optional) The share to make the connection to. Should be 'unqualified' in any way.
2604 @param service_type The 'type' of serivice.
2605 @param user Username, unix string
2606 @param domain User's domain
2607 @param password User's password, unencrypted unix string.
2608 @param retry bool. Did this connection fail with a retryable error ?
2611 NTSTATUS
cli_full_connection(struct cli_state
**output_cli
,
2612 const char *my_name
,
2613 const char *dest_host
,
2614 struct sockaddr_storage
*dest_ss
, int port
,
2615 const char *service
, const char *service_type
,
2616 const char *user
, const char *domain
,
2617 const char *password
, int flags
,
2622 struct cli_state
*cli
= NULL
;
2623 int pw_len
= password
? strlen(password
)+1 : 0;
2627 if (password
== NULL
) {
2631 nt_status
= cli_start_connection(&cli
, my_name
, dest_host
,
2632 dest_ss
, port
, signing_state
,
2635 if (!NT_STATUS_IS_OK(nt_status
)) {
2639 cli
->use_oplocks
= ((flags
& CLI_FULL_CONNECTION_OPLOCKS
) != 0);
2640 cli
->use_level_II_oplocks
=
2641 ((flags
& CLI_FULL_CONNECTION_LEVEL_II_OPLOCKS
) != 0);
2643 nt_status
= cli_session_setup(cli
, user
, password
, pw_len
, password
,
2645 if (!NT_STATUS_IS_OK(nt_status
)) {
2647 if (!(flags
& CLI_FULL_CONNECTION_ANONYMOUS_FALLBACK
)) {
2648 DEBUG(1,("failed session setup with %s\n",
2649 nt_errstr(nt_status
)));
2654 nt_status
= cli_session_setup(cli
, "", "", 0, "", 0, domain
);
2655 if (!NT_STATUS_IS_OK(nt_status
)) {
2656 DEBUG(1,("anonymous failed session setup with %s\n",
2657 nt_errstr(nt_status
)));
2664 nt_status
= cli_tcon_andx(cli
, service
, service_type
, password
,
2666 if (!NT_STATUS_IS_OK(nt_status
)) {
2667 DEBUG(1,("failed tcon_X with %s\n", nt_errstr(nt_status
)));
2669 if (NT_STATUS_IS_OK(nt_status
)) {
2670 nt_status
= NT_STATUS_UNSUCCESSFUL
;
2676 nt_status
= cli_init_creds(cli
, user
, domain
, password
);
2677 if (!NT_STATUS_IS_OK(nt_status
)) {
2683 return NT_STATUS_OK
;
2686 /****************************************************************************
2687 Attempt a NetBIOS session request, falling back to *SMBSERVER if needed.
2688 ****************************************************************************/
2690 bool attempt_netbios_session_request(struct cli_state
**ppcli
, const char *srchost
, const char *desthost
,
2691 struct sockaddr_storage
*pdest_ss
)
2693 struct nmb_name calling
, called
;
2695 make_nmb_name(&calling
, srchost
, 0x0);
2698 * If the called name is an IP address
2699 * then use *SMBSERVER immediately.
2702 if(is_ipaddress(desthost
)) {
2703 make_nmb_name(&called
, STAR_SMBSERVER
, 0x20);
2705 make_nmb_name(&called
, desthost
, 0x20);
2708 if (!cli_session_request(*ppcli
, &calling
, &called
)) {
2710 struct nmb_name smbservername
;
2712 make_nmb_name(&smbservername
, STAR_SMBSERVER
, 0x20);
2715 * If the name wasn't *SMBSERVER then
2716 * try with *SMBSERVER if the first name fails.
2719 if (nmb_name_equal(&called
, &smbservername
)) {
2722 * The name used was *SMBSERVER, don't bother with another name.
2725 DEBUG(0,("attempt_netbios_session_request: %s rejected the session for name *SMBSERVER \
2726 with error %s.\n", desthost
, cli_errstr(*ppcli
) ));
2731 cli_shutdown(*ppcli
);
2733 *ppcli
= cli_initialise();
2735 /* Out of memory... */
2739 status
= cli_connect(*ppcli
, desthost
, pdest_ss
);
2740 if (!NT_STATUS_IS_OK(status
) ||
2741 !cli_session_request(*ppcli
, &calling
, &smbservername
)) {
2742 DEBUG(0,("attempt_netbios_session_request: %s rejected the session for \
2743 name *SMBSERVER with error %s\n", desthost
, cli_errstr(*ppcli
) ));
2751 /****************************************************************************
2752 Send an old style tcon.
2753 ****************************************************************************/
2754 NTSTATUS
cli_raw_tcon(struct cli_state
*cli
,
2755 const char *service
, const char *pass
, const char *dev
,
2756 uint16
*max_xmit
, uint16
*tid
)
2760 if (!lp_client_plaintext_auth() && (*pass
)) {
2761 DEBUG(1, ("Server requested plaintext password but 'client "
2762 "plaintext auth' is disabled\n"));
2763 return NT_STATUS_ACCESS_DENIED
;
2766 memset(cli
->outbuf
,'\0',smb_size
);
2767 memset(cli
->inbuf
,'\0',smb_size
);
2769 cli_set_message(cli
->outbuf
, 0, 0, True
);
2770 SCVAL(cli
->outbuf
,smb_com
,SMBtcon
);
2771 cli_setup_packet(cli
);
2773 p
= smb_buf(cli
->outbuf
);
2774 *p
++ = 4; p
+= clistr_push(cli
, p
, service
, -1, STR_TERMINATE
| STR_NOALIGN
);
2775 *p
++ = 4; p
+= clistr_push(cli
, p
, pass
, -1, STR_TERMINATE
| STR_NOALIGN
);
2776 *p
++ = 4; p
+= clistr_push(cli
, p
, dev
, -1, STR_TERMINATE
| STR_NOALIGN
);
2778 cli_setup_bcc(cli
, p
);
2781 if (!cli_receive_smb(cli
)) {
2782 return NT_STATUS_UNEXPECTED_NETWORK_ERROR
;
2785 if (cli_is_error(cli
)) {
2786 return cli_nt_error(cli
);
2789 *max_xmit
= SVAL(cli
->inbuf
, smb_vwv0
);
2790 *tid
= SVAL(cli
->inbuf
, smb_vwv1
);
2792 return NT_STATUS_OK
;
2795 /* Return a cli_state pointing at the IPC$ share for the given server */
2797 struct cli_state
*get_ipc_connect(char *server
,
2798 struct sockaddr_storage
*server_ss
,
2799 const struct user_auth_info
*user_info
)
2801 struct cli_state
*cli
;
2803 uint32_t flags
= CLI_FULL_CONNECTION_ANONYMOUS_FALLBACK
;
2805 if (user_info
->use_kerberos
) {
2806 flags
|= CLI_FULL_CONNECTION_USE_KERBEROS
;
2809 nt_status
= cli_full_connection(&cli
, NULL
, server
, server_ss
, 0, "IPC$", "IPC",
2810 user_info
->username
? user_info
->username
: "",
2812 user_info
->password
? user_info
->password
: "",
2816 if (NT_STATUS_IS_OK(nt_status
)) {
2818 } else if (is_ipaddress(server
)) {
2819 /* windows 9* needs a correct NMB name for connections */
2820 fstring remote_name
;
2822 if (name_status_find("*", 0, 0, server_ss
, remote_name
)) {
2823 cli
= get_ipc_connect(remote_name
, server_ss
, user_info
);
2832 * Given the IP address of a master browser on the network, return its
2833 * workgroup and connect to it.
2835 * This function is provided to allow additional processing beyond what
2836 * get_ipc_connect_master_ip_bcast() does, e.g. to retrieve the list of master
2837 * browsers and obtain each master browsers' list of domains (in case the
2838 * first master browser is recently on the network and has not yet
2839 * synchronized with other master browsers and therefore does not yet have the
2840 * entire network browse list)
2843 struct cli_state
*get_ipc_connect_master_ip(TALLOC_CTX
*ctx
,
2844 struct ip_service
*mb_ip
,
2845 const struct user_auth_info
*user_info
,
2846 char **pp_workgroup_out
)
2848 char addr
[INET6_ADDRSTRLEN
];
2850 struct cli_state
*cli
;
2851 struct sockaddr_storage server_ss
;
2853 *pp_workgroup_out
= NULL
;
2855 print_sockaddr(addr
, sizeof(addr
), &mb_ip
->ss
);
2856 DEBUG(99, ("Looking up name of master browser %s\n",
2860 * Do a name status query to find out the name of the master browser.
2861 * We use <01><02>__MSBROWSE__<02>#01 if *#00 fails because a domain
2862 * master browser will not respond to a wildcard query (or, at least,
2863 * an NT4 server acting as the domain master browser will not).
2865 * We might be able to use ONLY the query on MSBROWSE, but that's not
2866 * yet been tested with all Windows versions, so until it is, leave
2867 * the original wildcard query as the first choice and fall back to
2868 * MSBROWSE if the wildcard query fails.
2870 if (!name_status_find("*", 0, 0x1d, &mb_ip
->ss
, name
) &&
2871 !name_status_find(MSBROWSE
, 1, 0x1d, &mb_ip
->ss
, name
)) {
2873 DEBUG(99, ("Could not retrieve name status for %s\n",
2878 if (!find_master_ip(name
, &server_ss
)) {
2879 DEBUG(99, ("Could not find master ip for %s\n", name
));
2883 *pp_workgroup_out
= talloc_strdup(ctx
, name
);
2885 DEBUG(4, ("found master browser %s, %s\n", name
, addr
));
2887 print_sockaddr(addr
, sizeof(addr
), &server_ss
);
2888 cli
= get_ipc_connect(addr
, &server_ss
, user_info
);
2894 * Return the IP address and workgroup of a master browser on the network, and
2898 struct cli_state
*get_ipc_connect_master_ip_bcast(TALLOC_CTX
*ctx
,
2899 const struct user_auth_info
*user_info
,
2900 char **pp_workgroup_out
)
2902 struct ip_service
*ip_list
;
2903 struct cli_state
*cli
;
2906 *pp_workgroup_out
= NULL
;
2908 DEBUG(99, ("Do broadcast lookup for workgroups on local network\n"));
2910 /* Go looking for workgroups by broadcasting on the local network */
2912 if (!NT_STATUS_IS_OK(name_resolve_bcast(MSBROWSE
, 1, &ip_list
,
2914 DEBUG(99, ("No master browsers responded\n"));
2918 for (i
= 0; i
< count
; i
++) {
2919 char addr
[INET6_ADDRSTRLEN
];
2920 print_sockaddr(addr
, sizeof(addr
), &ip_list
[i
].ss
);
2921 DEBUG(99, ("Found master browser %s\n", addr
));
2923 cli
= get_ipc_connect_master_ip(ctx
, &ip_list
[i
],
2924 user_info
, pp_workgroup_out
);