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 2 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, write to the Free Software
19 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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
,"Samba"},
38 {PROTOCOL_NT1
,"NT LANMAN 1.0"},
39 {PROTOCOL_NT1
,"NT LM 0.12"},
44 * Set the user session key for a connection
45 * @param cli The cli structure to add it too
46 * @param session_key The session key used. (A copy of this is taken for the cli struct)
50 static void cli_set_session_key (struct cli_state
*cli
, const DATA_BLOB session_key
)
52 cli
->user_session_key
= data_blob(session_key
.data
, session_key
.length
);
55 /****************************************************************************
56 Do an old lanman2 style session setup.
57 ****************************************************************************/
59 static BOOL
cli_session_setup_lanman2(struct cli_state
*cli
, const char *user
,
60 const char *pass
, size_t passlen
, const char *workgroup
)
62 DATA_BLOB session_key
= data_blob(NULL
, 0);
63 DATA_BLOB lm_response
= data_blob(NULL
, 0);
67 if (passlen
> sizeof(pword
)-1)
70 /* LANMAN servers predate NT status codes and Unicode and ignore those
71 smb flags so we must disable the corresponding default capabilities
72 that would otherwise cause the Unicode and NT Status flags to be
73 set (and even returned by the server) */
75 cli
->capabilities
&= ~(CAP_UNICODE
| CAP_STATUS32
);
77 /* if in share level security then don't send a password now */
78 if (!(cli
->sec_mode
& NEGOTIATE_SECURITY_USER_LEVEL
))
81 if (passlen
> 0 && (cli
->sec_mode
& NEGOTIATE_SECURITY_CHALLENGE_RESPONSE
) && passlen
!= 24) {
82 /* Encrypted mode needed, and non encrypted password supplied. */
83 lm_response
= data_blob(NULL
, 24);
84 if (!SMBencrypt(pass
, cli
->secblob
.data
,(uchar
*)lm_response
.data
)) {
85 DEBUG(1, ("Password is > 14 chars in length, and is therefore incompatible with Lanman authentication\n"));
88 } else if ((cli
->sec_mode
& NEGOTIATE_SECURITY_CHALLENGE_RESPONSE
) && passlen
== 24) {
89 /* Encrypted mode needed, and encrypted password supplied. */
90 lm_response
= data_blob(pass
, passlen
);
91 } else if (passlen
> 0) {
92 /* Plaintext mode needed, assume plaintext supplied. */
93 passlen
= clistr_push(cli
, pword
, pass
, sizeof(pword
), STR_TERMINATE
);
94 lm_response
= data_blob(pass
, passlen
);
97 /* send a session setup command */
98 memset(cli
->outbuf
,'\0',smb_size
);
99 set_message(cli
->outbuf
,10, 0, True
);
100 SCVAL(cli
->outbuf
,smb_com
,SMBsesssetupX
);
101 cli_setup_packet(cli
);
103 SCVAL(cli
->outbuf
,smb_vwv0
,0xFF);
104 SSVAL(cli
->outbuf
,smb_vwv2
,cli
->max_xmit
);
105 SSVAL(cli
->outbuf
,smb_vwv3
,2);
106 SSVAL(cli
->outbuf
,smb_vwv4
,1);
107 SIVAL(cli
->outbuf
,smb_vwv5
,cli
->sesskey
);
108 SSVAL(cli
->outbuf
,smb_vwv7
,lm_response
.length
);
110 p
= smb_buf(cli
->outbuf
);
111 memcpy(p
,lm_response
.data
,lm_response
.length
);
112 p
+= lm_response
.length
;
113 p
+= clistr_push(cli
, p
, user
, -1, STR_TERMINATE
|STR_UPPER
);
114 p
+= clistr_push(cli
, p
, workgroup
, -1, STR_TERMINATE
|STR_UPPER
);
115 p
+= clistr_push(cli
, p
, "Unix", -1, STR_TERMINATE
);
116 p
+= clistr_push(cli
, p
, "Samba", -1, STR_TERMINATE
);
117 cli_setup_bcc(cli
, p
);
120 if (!cli_receive_smb(cli
))
123 show_msg(cli
->inbuf
);
125 if (cli_is_error(cli
))
128 /* use the returned vuid from now on */
129 cli
->vuid
= SVAL(cli
->inbuf
,smb_uid
);
130 fstrcpy(cli
->user_name
, user
);
132 if (session_key
.data
) {
133 /* Have plaintext orginal */
134 cli_set_session_key(cli
, session_key
);
140 /****************************************************************************
141 Work out suitable capabilities to offer the server.
142 ****************************************************************************/
144 static uint32
cli_session_setup_capabilities(struct cli_state
*cli
)
146 uint32 capabilities
= CAP_NT_SMBS
;
148 if (!cli
->force_dos_errors
)
149 capabilities
|= CAP_STATUS32
;
151 if (cli
->use_level_II_oplocks
)
152 capabilities
|= CAP_LEVEL_II_OPLOCKS
;
154 if (cli
->capabilities
& CAP_UNICODE
)
155 capabilities
|= CAP_UNICODE
;
157 if (cli
->capabilities
& CAP_LARGE_FILES
)
158 capabilities
|= CAP_LARGE_FILES
;
163 /****************************************************************************
164 Do a NT1 guest session setup.
165 ****************************************************************************/
167 static BOOL
cli_session_setup_guest(struct cli_state
*cli
)
170 uint32 capabilities
= cli_session_setup_capabilities(cli
);
172 set_message(cli
->outbuf
,13,0,True
);
173 SCVAL(cli
->outbuf
,smb_com
,SMBsesssetupX
);
174 cli_setup_packet(cli
);
176 SCVAL(cli
->outbuf
,smb_vwv0
,0xFF);
177 SSVAL(cli
->outbuf
,smb_vwv2
,CLI_BUFFER_SIZE
);
178 SSVAL(cli
->outbuf
,smb_vwv3
,2);
179 SSVAL(cli
->outbuf
,smb_vwv4
,cli
->pid
);
180 SIVAL(cli
->outbuf
,smb_vwv5
,cli
->sesskey
);
181 SSVAL(cli
->outbuf
,smb_vwv7
,0);
182 SSVAL(cli
->outbuf
,smb_vwv8
,0);
183 SIVAL(cli
->outbuf
,smb_vwv11
,capabilities
);
184 p
= smb_buf(cli
->outbuf
);
185 p
+= clistr_push(cli
, p
, "", -1, STR_TERMINATE
); /* username */
186 p
+= clistr_push(cli
, p
, "", -1, STR_TERMINATE
); /* workgroup */
187 p
+= clistr_push(cli
, p
, "Unix", -1, STR_TERMINATE
);
188 p
+= clistr_push(cli
, p
, "Samba", -1, STR_TERMINATE
);
189 cli_setup_bcc(cli
, p
);
192 if (!cli_receive_smb(cli
))
195 show_msg(cli
->inbuf
);
197 if (cli_is_error(cli
))
200 cli
->vuid
= SVAL(cli
->inbuf
,smb_uid
);
202 p
= smb_buf(cli
->inbuf
);
203 p
+= clistr_pull(cli
, cli
->server_os
, p
, sizeof(fstring
), -1, STR_TERMINATE
);
204 p
+= clistr_pull(cli
, cli
->server_type
, p
, sizeof(fstring
), -1, STR_TERMINATE
);
205 p
+= clistr_pull(cli
, cli
->server_domain
, p
, sizeof(fstring
), -1, STR_TERMINATE
);
207 fstrcpy(cli
->user_name
, "");
212 /****************************************************************************
213 Do a NT1 plaintext session setup.
214 ****************************************************************************/
216 static BOOL
cli_session_setup_plaintext(struct cli_state
*cli
, const char *user
,
217 const char *pass
, const char *workgroup
)
219 uint32 capabilities
= cli_session_setup_capabilities(cli
);
223 fstr_sprintf( lanman
, "Samba %s", SAMBA_VERSION_STRING
);
225 set_message(cli
->outbuf
,13,0,True
);
226 SCVAL(cli
->outbuf
,smb_com
,SMBsesssetupX
);
227 cli_setup_packet(cli
);
229 SCVAL(cli
->outbuf
,smb_vwv0
,0xFF);
230 SSVAL(cli
->outbuf
,smb_vwv2
,CLI_BUFFER_SIZE
);
231 SSVAL(cli
->outbuf
,smb_vwv3
,2);
232 SSVAL(cli
->outbuf
,smb_vwv4
,cli
->pid
);
233 SIVAL(cli
->outbuf
,smb_vwv5
,cli
->sesskey
);
234 SSVAL(cli
->outbuf
,smb_vwv8
,0);
235 SIVAL(cli
->outbuf
,smb_vwv11
,capabilities
);
236 p
= smb_buf(cli
->outbuf
);
238 /* check wether to send the ASCII or UNICODE version of the password */
240 if ( (capabilities
& CAP_UNICODE
) == 0 ) {
241 p
+= clistr_push(cli
, p
, pass
, -1, STR_TERMINATE
); /* password */
242 SSVAL(cli
->outbuf
,smb_vwv7
,PTR_DIFF(p
, smb_buf(cli
->outbuf
)));
245 p
+= clistr_push(cli
, p
, pass
, -1, STR_UNICODE
|STR_TERMINATE
); /* unicode password */
246 SSVAL(cli
->outbuf
,smb_vwv8
,PTR_DIFF(p
, smb_buf(cli
->outbuf
)));
249 p
+= clistr_push(cli
, p
, user
, -1, STR_TERMINATE
); /* username */
250 p
+= clistr_push(cli
, p
, workgroup
, -1, STR_TERMINATE
); /* workgroup */
251 p
+= clistr_push(cli
, p
, "Unix", -1, STR_TERMINATE
);
252 p
+= clistr_push(cli
, p
, lanman
, -1, STR_TERMINATE
);
253 cli_setup_bcc(cli
, p
);
256 if (!cli_receive_smb(cli
))
259 show_msg(cli
->inbuf
);
261 if (cli_is_error(cli
))
264 cli
->vuid
= SVAL(cli
->inbuf
,smb_uid
);
265 p
= smb_buf(cli
->inbuf
);
266 p
+= clistr_pull(cli
, cli
->server_os
, p
, sizeof(fstring
), -1, STR_TERMINATE
);
267 p
+= clistr_pull(cli
, cli
->server_type
, p
, sizeof(fstring
), -1, STR_TERMINATE
);
268 p
+= clistr_pull(cli
, cli
->server_domain
, p
, sizeof(fstring
), -1, STR_TERMINATE
);
269 fstrcpy(cli
->user_name
, user
);
274 /****************************************************************************
275 do a NT1 NTLM/LM encrypted session setup - for when extended security
277 @param cli client state to create do session setup on
279 @param pass *either* cleartext password (passlen !=24) or LM response.
280 @param ntpass NT response, implies ntpasslen >=24, implies pass is not clear
281 @param workgroup The user's domain.
282 ****************************************************************************/
284 static BOOL
cli_session_setup_nt1(struct cli_state
*cli
, const char *user
,
285 const char *pass
, size_t passlen
,
286 const char *ntpass
, size_t ntpasslen
,
287 const char *workgroup
)
289 uint32 capabilities
= cli_session_setup_capabilities(cli
);
290 DATA_BLOB lm_response
= data_blob(NULL
, 0);
291 DATA_BLOB nt_response
= data_blob(NULL
, 0);
292 DATA_BLOB session_key
= data_blob(NULL
, 0);
297 /* do nothing - guest login */
298 } else if (passlen
!= 24) {
299 if (lp_client_ntlmv2_auth()) {
300 DATA_BLOB server_chal
;
301 DATA_BLOB names_blob
;
302 server_chal
= data_blob(cli
->secblob
.data
, MIN(cli
->secblob
.length
, 8));
304 /* note that the 'workgroup' here is a best guess - we don't know
305 the server's domain at this point. The 'server name' is also
308 names_blob
= NTLMv2_generate_names_blob(cli
->called
.name
, workgroup
);
310 if (!SMBNTLMv2encrypt(user
, workgroup
, pass
, &server_chal
,
312 &lm_response
, &nt_response
, &session_key
)) {
313 data_blob_free(&names_blob
);
314 data_blob_free(&server_chal
);
317 data_blob_free(&names_blob
);
318 data_blob_free(&server_chal
);
322 E_md4hash(pass
, nt_hash
);
325 nt_response
= data_blob(NULL
, 0);
327 nt_response
= data_blob(NULL
, 24);
328 SMBNTencrypt(pass
,cli
->secblob
.data
,nt_response
.data
);
330 /* non encrypted password supplied. Ignore ntpass. */
331 if (lp_client_lanman_auth()) {
332 lm_response
= data_blob(NULL
, 24);
333 if (!SMBencrypt(pass
,cli
->secblob
.data
, lm_response
.data
)) {
334 /* Oops, the LM response is invalid, just put
335 the NT response there instead */
336 data_blob_free(&lm_response
);
337 lm_response
= data_blob(nt_response
.data
, nt_response
.length
);
340 /* LM disabled, place NT# in LM field instead */
341 lm_response
= data_blob(nt_response
.data
, nt_response
.length
);
344 session_key
= data_blob(NULL
, 16);
346 E_deshash(pass
, session_key
.data
);
347 memset(&session_key
.data
[8], '\0', 8);
349 SMBsesskeygen_ntv1(nt_hash
, NULL
, session_key
.data
);
353 cli_simple_set_signing(cli
, session_key
, lm_response
);
355 cli_simple_set_signing(cli
, session_key
, nt_response
);
358 /* pre-encrypted password supplied. Only used for
359 security=server, can't do
360 signing because we don't have original key */
362 lm_response
= data_blob(pass
, passlen
);
363 nt_response
= data_blob(ntpass
, ntpasslen
);
366 /* send a session setup command */
367 memset(cli
->outbuf
,'\0',smb_size
);
369 set_message(cli
->outbuf
,13,0,True
);
370 SCVAL(cli
->outbuf
,smb_com
,SMBsesssetupX
);
371 cli_setup_packet(cli
);
373 SCVAL(cli
->outbuf
,smb_vwv0
,0xFF);
374 SSVAL(cli
->outbuf
,smb_vwv2
,CLI_BUFFER_SIZE
);
375 SSVAL(cli
->outbuf
,smb_vwv3
,2);
376 SSVAL(cli
->outbuf
,smb_vwv4
,cli
->pid
);
377 SIVAL(cli
->outbuf
,smb_vwv5
,cli
->sesskey
);
378 SSVAL(cli
->outbuf
,smb_vwv7
,lm_response
.length
);
379 SSVAL(cli
->outbuf
,smb_vwv8
,nt_response
.length
);
380 SIVAL(cli
->outbuf
,smb_vwv11
,capabilities
);
381 p
= smb_buf(cli
->outbuf
);
382 if (lm_response
.length
) {
383 memcpy(p
,lm_response
.data
, lm_response
.length
); p
+= lm_response
.length
;
385 if (nt_response
.length
) {
386 memcpy(p
,nt_response
.data
, nt_response
.length
); p
+= nt_response
.length
;
388 p
+= clistr_push(cli
, p
, user
, -1, STR_TERMINATE
);
390 /* Upper case here might help some NTLMv2 implementations */
391 p
+= clistr_push(cli
, p
, workgroup
, -1, STR_TERMINATE
|STR_UPPER
);
392 p
+= clistr_push(cli
, p
, "Unix", -1, STR_TERMINATE
);
393 p
+= clistr_push(cli
, p
, "Samba", -1, STR_TERMINATE
);
394 cli_setup_bcc(cli
, p
);
396 if (!cli_send_smb(cli
) || !cli_receive_smb(cli
)) {
401 /* show_msg(cli->inbuf); */
403 if (cli_is_error(cli
)) {
408 /* use the returned vuid from now on */
409 cli
->vuid
= SVAL(cli
->inbuf
,smb_uid
);
411 p
= smb_buf(cli
->inbuf
);
412 p
+= clistr_pull(cli
, cli
->server_os
, p
, sizeof(fstring
), -1, STR_TERMINATE
);
413 p
+= clistr_pull(cli
, cli
->server_type
, p
, sizeof(fstring
), -1, STR_TERMINATE
);
414 p
+= clistr_pull(cli
, cli
->server_domain
, p
, sizeof(fstring
), -1, STR_TERMINATE
);
416 fstrcpy(cli
->user_name
, user
);
418 if (session_key
.data
) {
419 /* Have plaintext orginal */
420 cli_set_session_key(cli
, session_key
);
425 data_blob_free(&lm_response
);
426 data_blob_free(&nt_response
);
427 data_blob_free(&session_key
);
431 /****************************************************************************
432 Send a extended security session setup blob
433 ****************************************************************************/
435 static BOOL
cli_session_setup_blob_send(struct cli_state
*cli
, DATA_BLOB blob
)
437 uint32 capabilities
= cli_session_setup_capabilities(cli
);
440 capabilities
|= CAP_EXTENDED_SECURITY
;
442 /* send a session setup command */
443 memset(cli
->outbuf
,'\0',smb_size
);
445 set_message(cli
->outbuf
,12,0,True
);
446 SCVAL(cli
->outbuf
,smb_com
,SMBsesssetupX
);
448 cli_setup_packet(cli
);
450 SCVAL(cli
->outbuf
,smb_vwv0
,0xFF);
451 SSVAL(cli
->outbuf
,smb_vwv2
,CLI_BUFFER_SIZE
);
452 SSVAL(cli
->outbuf
,smb_vwv3
,2);
453 SSVAL(cli
->outbuf
,smb_vwv4
,1);
454 SIVAL(cli
->outbuf
,smb_vwv5
,0);
455 SSVAL(cli
->outbuf
,smb_vwv7
,blob
.length
);
456 SIVAL(cli
->outbuf
,smb_vwv10
,capabilities
);
457 p
= smb_buf(cli
->outbuf
);
458 memcpy(p
, blob
.data
, blob
.length
);
460 p
+= clistr_push(cli
, p
, "Unix", -1, STR_TERMINATE
);
461 p
+= clistr_push(cli
, p
, "Samba", -1, STR_TERMINATE
);
462 cli_setup_bcc(cli
, p
);
463 return cli_send_smb(cli
);
466 /****************************************************************************
467 Send a extended security session setup blob, returning a reply blob.
468 ****************************************************************************/
470 static DATA_BLOB
cli_session_setup_blob_receive(struct cli_state
*cli
)
472 DATA_BLOB blob2
= data_blob(NULL
, 0);
476 if (!cli_receive_smb(cli
))
479 show_msg(cli
->inbuf
);
481 if (cli_is_error(cli
) && !NT_STATUS_EQUAL(cli_nt_error(cli
),
482 NT_STATUS_MORE_PROCESSING_REQUIRED
)) {
486 /* use the returned vuid from now on */
487 cli
->vuid
= SVAL(cli
->inbuf
,smb_uid
);
489 p
= smb_buf(cli
->inbuf
);
491 blob2
= data_blob(p
, SVAL(cli
->inbuf
, smb_vwv3
));
494 p
+= clistr_pull(cli
, cli
->server_os
, p
, sizeof(fstring
), -1, STR_TERMINATE
);
496 /* w2k with kerberos doesn't properly null terminate this field */
497 len
= smb_buflen(cli
->inbuf
) - PTR_DIFF(p
, smb_buf(cli
->inbuf
));
498 p
+= clistr_pull(cli
, cli
->server_type
, p
, sizeof(fstring
), len
, 0);
505 /****************************************************************************
506 Send a extended security session setup blob, returning a reply blob.
507 ****************************************************************************/
509 static DATA_BLOB
cli_session_setup_blob(struct cli_state
*cli
, DATA_BLOB blob
)
511 DATA_BLOB blob2
= data_blob(NULL
, 0);
512 if (!cli_session_setup_blob_send(cli
, blob
)) {
516 return cli_session_setup_blob_receive(cli
);
519 /****************************************************************************
520 Use in-memory credentials cache
521 ****************************************************************************/
523 static void use_in_memory_ccache(void) {
524 setenv(KRB5_ENV_CCNAME
, "MEMORY:cliconnect", 1);
527 /****************************************************************************
528 Do a spnego/kerberos encrypted session setup.
529 ****************************************************************************/
531 static ADS_STATUS
cli_session_setup_kerberos(struct cli_state
*cli
, const char *principal
, const char *workgroup
)
533 DATA_BLOB blob2
, negTokenTarg
;
534 DATA_BLOB session_key_krb5
;
535 DATA_BLOB null_blob
= data_blob(NULL
, 0);
538 DEBUG(2,("Doing kerberos session setup\n"));
540 /* generate the encapsulated kerberos5 ticket */
541 rc
= spnego_gen_negTokenTarg(principal
, 0, &negTokenTarg
, &session_key_krb5
);
544 DEBUG(1, ("spnego_gen_negTokenTarg failed: %s\n", error_message(rc
)));
545 return ADS_ERROR_KRB5(rc
);
549 file_save("negTokenTarg.dat", negTokenTarg
.data
, negTokenTarg
.length
);
552 cli_simple_set_signing(cli
, session_key_krb5
, null_blob
);
554 blob2
= cli_session_setup_blob(cli
, negTokenTarg
);
556 /* we don't need this blob for kerberos */
557 data_blob_free(&blob2
);
559 cli_set_session_key(cli
, session_key_krb5
);
561 data_blob_free(&negTokenTarg
);
562 data_blob_free(&session_key_krb5
);
564 if (cli_is_error(cli
)) {
565 if (NT_STATUS_IS_OK(cli_nt_error(cli
))) {
566 return ADS_ERROR_NT(NT_STATUS_UNSUCCESSFUL
);
569 return ADS_ERROR_NT(cli_nt_error(cli
));
571 #endif /* HAVE_KRB5 */
574 /****************************************************************************
575 Do a spnego/NTLMSSP encrypted session setup.
576 ****************************************************************************/
578 static NTSTATUS
cli_session_setup_ntlmssp(struct cli_state
*cli
, const char *user
,
579 const char *pass
, const char *domain
)
581 struct ntlmssp_state
*ntlmssp_state
;
585 DATA_BLOB blob
= data_blob(NULL
, 0);
586 DATA_BLOB blob_in
= data_blob(NULL
, 0);
587 DATA_BLOB blob_out
= data_blob(NULL
, 0);
589 cli_temp_set_signing(cli
);
591 if (!NT_STATUS_IS_OK(nt_status
= ntlmssp_client_start(&ntlmssp_state
))) {
595 if (!NT_STATUS_IS_OK(nt_status
= ntlmssp_set_username(ntlmssp_state
, user
))) {
598 if (!NT_STATUS_IS_OK(nt_status
= ntlmssp_set_domain(ntlmssp_state
, domain
))) {
601 if (!NT_STATUS_IS_OK(nt_status
= ntlmssp_set_password(ntlmssp_state
, pass
))) {
606 nt_status
= ntlmssp_update(ntlmssp_state
,
608 data_blob_free(&blob_in
);
609 if (NT_STATUS_EQUAL(nt_status
, NT_STATUS_MORE_PROCESSING_REQUIRED
)) {
611 /* and wrap it in a SPNEGO wrapper */
612 msg1
= gen_negTokenInit(OID_NTLMSSP
, blob_out
);
614 /* wrap it in SPNEGO */
615 msg1
= spnego_gen_auth(blob_out
);
618 /* now send that blob on its way */
619 if (!cli_session_setup_blob_send(cli
, msg1
)) {
620 DEBUG(3, ("Failed to send NTLMSSP/SPNEGO blob to server!\n"));
621 nt_status
= NT_STATUS_UNSUCCESSFUL
;
623 data_blob_free(&msg1
);
625 blob
= cli_session_setup_blob_receive(cli
);
627 nt_status
= cli_nt_error(cli
);
628 if (cli_is_error(cli
) && NT_STATUS_IS_OK(nt_status
)) {
629 if (cli
->smb_rw_error
== READ_BAD_SIG
) {
630 nt_status
= NT_STATUS_ACCESS_DENIED
;
632 nt_status
= NT_STATUS_UNSUCCESSFUL
;
639 if (NT_STATUS_IS_OK(nt_status
)) {
640 nt_status
= NT_STATUS_UNSUCCESSFUL
;
642 } else if ((turn
== 1) &&
643 NT_STATUS_EQUAL(nt_status
, NT_STATUS_MORE_PROCESSING_REQUIRED
)) {
644 DATA_BLOB tmp_blob
= data_blob(NULL
, 0);
645 /* the server might give us back two challenges */
646 if (!spnego_parse_challenge(blob
, &blob_in
,
648 DEBUG(3,("Failed to parse challenges\n"));
649 nt_status
= NT_STATUS_INVALID_PARAMETER
;
651 data_blob_free(&tmp_blob
);
653 if (!spnego_parse_auth_response(blob
, nt_status
,
655 DEBUG(3,("Failed to parse auth response\n"));
656 if (NT_STATUS_IS_OK(nt_status
)
657 || NT_STATUS_EQUAL(nt_status
, NT_STATUS_MORE_PROCESSING_REQUIRED
))
658 nt_status
= NT_STATUS_INVALID_PARAMETER
;
661 data_blob_free(&blob
);
662 data_blob_free(&blob_out
);
664 } while (NT_STATUS_EQUAL(nt_status
, NT_STATUS_MORE_PROCESSING_REQUIRED
));
666 if (NT_STATUS_IS_OK(nt_status
)) {
668 DATA_BLOB key
= data_blob(ntlmssp_state
->session_key
.data
,
669 ntlmssp_state
->session_key
.length
);
670 DATA_BLOB null_blob
= data_blob(NULL
, 0);
673 fstrcpy(cli
->server_domain
, ntlmssp_state
->server_domain
);
674 cli_set_session_key(cli
, ntlmssp_state
->session_key
);
676 res
= cli_simple_set_signing(cli
, key
, null_blob
);
678 data_blob_free(&key
);
682 /* 'resign' the last message, so we get the right sequence numbers
683 for checking the first reply from the server */
684 cli_calculate_sign_mac(cli
);
686 if (!cli_check_sign_mac(cli
)) {
687 nt_status
= NT_STATUS_ACCESS_DENIED
;
692 /* we have a reference conter on ntlmssp_state, if we are signing
693 then the state will be kept by the signing engine */
695 ntlmssp_end(&ntlmssp_state
);
700 /****************************************************************************
701 Do a spnego encrypted session setup.
702 ****************************************************************************/
704 ADS_STATUS
cli_session_setup_spnego(struct cli_state
*cli
, const char *user
,
705 const char *pass
, const char *domain
)
708 char *OIDs
[ASN1_MAX_OIDS
];
710 BOOL got_kerberos_mechanism
= False
;
713 DEBUG(3,("Doing spnego session setup (blob length=%lu)\n", (unsigned long)cli
->secblob
.length
));
715 /* the server might not even do spnego */
716 if (cli
->secblob
.length
<= 16) {
717 DEBUG(3,("server didn't supply a full spnego negprot\n"));
722 file_save("negprot.dat", cli
->secblob
.data
, cli
->secblob
.length
);
725 /* there is 16 bytes of GUID before the real spnego packet starts */
726 blob
= data_blob(cli
->secblob
.data
+16, cli
->secblob
.length
-16);
728 /* the server sent us the first part of the SPNEGO exchange in the negprot
730 if (!spnego_parse_negTokenInit(blob
, OIDs
, &principal
)) {
731 data_blob_free(&blob
);
732 return ADS_ERROR_NT(NT_STATUS_INVALID_PARAMETER
);
734 data_blob_free(&blob
);
736 /* make sure the server understands kerberos */
737 for (i
=0;OIDs
[i
];i
++) {
738 DEBUG(3,("got OID=%s\n", OIDs
[i
]));
739 if (strcmp(OIDs
[i
], OID_KERBEROS5_OLD
) == 0 ||
740 strcmp(OIDs
[i
], OID_KERBEROS5
) == 0) {
741 got_kerberos_mechanism
= True
;
745 DEBUG(3,("got principal=%s\n", principal
));
747 fstrcpy(cli
->user_name
, user
);
750 /* If password is set we reauthenticate to kerberos server
751 * and do not store results */
753 if (got_kerberos_mechanism
&& cli
->use_kerberos
) {
759 use_in_memory_ccache();
760 ret
= kerberos_kinit_password(user
, pass
, 0 /* no time correction for now */, NULL
, NULL
);
763 SAFE_FREE(principal
);
764 DEBUG(0, ("Kinit failed: %s\n", error_message(ret
)));
765 return ADS_ERROR_KRB5(ret
);
769 rc
= cli_session_setup_kerberos(cli
, principal
, domain
);
770 SAFE_FREE(principal
);
775 SAFE_FREE(principal
);
779 return ADS_ERROR_NT(cli_session_setup_ntlmssp(cli
, user
, pass
, domain
));
782 /****************************************************************************
783 Send a session setup. The username and workgroup is in UNIX character
784 format and must be converted to DOS codepage format before sending. If the
785 password is in plaintext, the same should be done.
786 ****************************************************************************/
788 BOOL
cli_session_setup(struct cli_state
*cli
,
790 const char *pass
, int passlen
,
791 const char *ntpass
, int ntpasslen
,
792 const char *workgroup
)
797 /* allow for workgroups as part of the username */
798 fstrcpy(user2
, user
);
799 if ((p
=strchr_m(user2
,'\\')) || (p
=strchr_m(user2
,'/')) ||
800 (p
=strchr_m(user2
,*lp_winbind_separator()))) {
806 if (cli
->protocol
< PROTOCOL_LANMAN1
)
809 /* now work out what sort of session setup we are going to
810 do. I have split this into separate functions to make the
811 flow a bit easier to understand (tridge) */
813 /* if its an older server then we have to use the older request format */
815 if (cli
->protocol
< PROTOCOL_NT1
) {
816 if (!lp_client_lanman_auth() && passlen
!= 24 && (*pass
)) {
817 DEBUG(1, ("Server requested LM password but 'client lanman auth'"
822 if ((cli
->sec_mode
& NEGOTIATE_SECURITY_CHALLENGE_RESPONSE
) == 0 &&
823 !lp_client_plaintext_auth() && (*pass
)) {
824 DEBUG(1, ("Server requested plaintext password but 'client use plaintext auth'"
829 return cli_session_setup_lanman2(cli
, user
, pass
, passlen
, workgroup
);
832 /* if no user is supplied then we have to do an anonymous connection.
833 passwords are ignored */
836 return cli_session_setup_guest(cli
);
838 /* if the server is share level then send a plaintext null
839 password at this point. The password is sent in the tree
842 if ((cli
->sec_mode
& NEGOTIATE_SECURITY_USER_LEVEL
) == 0)
843 return cli_session_setup_plaintext(cli
, user
, "", workgroup
);
845 /* if the server doesn't support encryption then we have to use
846 plaintext. The second password is ignored */
848 if ((cli
->sec_mode
& NEGOTIATE_SECURITY_CHALLENGE_RESPONSE
) == 0) {
849 if (!lp_client_plaintext_auth() && (*pass
)) {
850 DEBUG(1, ("Server requested plaintext password but 'client use plaintext auth'"
854 return cli_session_setup_plaintext(cli
, user
, pass
, workgroup
);
857 /* if the server supports extended security then use SPNEGO */
859 if (cli
->capabilities
& CAP_EXTENDED_SECURITY
) {
860 ADS_STATUS status
= cli_session_setup_spnego(cli
, user
, pass
, workgroup
);
861 if (!ADS_ERR_OK(status
)) {
862 DEBUG(3, ("SPNEGO login failed: %s\n", ads_errstr(status
)));
868 /* otherwise do a NT1 style session setup */
870 return cli_session_setup_nt1(cli
, user
,
871 pass
, passlen
, ntpass
, ntpasslen
,
875 /****************************************************************************
877 *****************************************************************************/
879 BOOL
cli_ulogoff(struct cli_state
*cli
)
881 memset(cli
->outbuf
,'\0',smb_size
);
882 set_message(cli
->outbuf
,2,0,True
);
883 SCVAL(cli
->outbuf
,smb_com
,SMBulogoffX
);
884 cli_setup_packet(cli
);
885 SSVAL(cli
->outbuf
,smb_vwv0
,0xFF);
886 SSVAL(cli
->outbuf
,smb_vwv2
,0); /* no additional info */
889 if (!cli_receive_smb(cli
))
892 return !cli_is_error(cli
);
895 /****************************************************************************
897 ****************************************************************************/
898 BOOL
cli_send_tconX(struct cli_state
*cli
,
899 const char *share
, const char *dev
, const char *pass
, int passlen
)
901 fstring fullshare
, pword
;
903 memset(cli
->outbuf
,'\0',smb_size
);
904 memset(cli
->inbuf
,'\0',smb_size
);
906 fstrcpy(cli
->share
, share
);
908 /* in user level security don't send a password now */
909 if (cli
->sec_mode
& NEGOTIATE_SECURITY_USER_LEVEL
) {
914 if ((cli
->sec_mode
& NEGOTIATE_SECURITY_CHALLENGE_RESPONSE
) && *pass
&& passlen
!= 24) {
915 if (!lp_client_lanman_auth()) {
916 DEBUG(1, ("Server requested LANMAN password (share-level security) but 'client use lanman auth'"
922 * Non-encrypted passwords - convert to DOS codepage before encryption.
925 SMBencrypt(pass
,cli
->secblob
.data
,(uchar
*)pword
);
927 if((cli
->sec_mode
& (NEGOTIATE_SECURITY_USER_LEVEL
|NEGOTIATE_SECURITY_CHALLENGE_RESPONSE
)) == 0) {
928 if (!lp_client_plaintext_auth() && (*pass
)) {
929 DEBUG(1, ("Server requested plaintext password but 'client use plaintext auth'"
935 * Non-encrypted passwords - convert to DOS codepage before using.
937 passlen
= clistr_push(cli
, pword
, pass
, sizeof(pword
), STR_TERMINATE
);
940 memcpy(pword
, pass
, passlen
);
944 slprintf(fullshare
, sizeof(fullshare
)-1,
945 "\\\\%s\\%s", cli
->desthost
, share
);
947 set_message(cli
->outbuf
,4, 0, True
);
948 SCVAL(cli
->outbuf
,smb_com
,SMBtconX
);
949 cli_setup_packet(cli
);
951 SSVAL(cli
->outbuf
,smb_vwv0
,0xFF);
952 SSVAL(cli
->outbuf
,smb_vwv3
,passlen
);
954 p
= smb_buf(cli
->outbuf
);
955 memcpy(p
,pword
,passlen
);
957 p
+= clistr_push(cli
, p
, fullshare
, -1, STR_TERMINATE
|STR_UPPER
);
958 p
+= clistr_push(cli
, p
, dev
, -1, STR_TERMINATE
|STR_UPPER
| STR_ASCII
);
960 cli_setup_bcc(cli
, p
);
963 if (!cli_receive_smb(cli
))
966 if (cli_is_error(cli
))
969 clistr_pull(cli
, cli
->dev
, smb_buf(cli
->inbuf
), sizeof(fstring
), -1, STR_TERMINATE
|STR_ASCII
);
971 if (cli
->protocol
>= PROTOCOL_NT1
&&
972 smb_buflen(cli
->inbuf
) == 3) {
973 /* almost certainly win95 - enable bug fixes */
977 cli
->cnum
= SVAL(cli
->inbuf
,smb_tid
);
981 /****************************************************************************
982 Send a tree disconnect.
983 ****************************************************************************/
985 BOOL
cli_tdis(struct cli_state
*cli
)
987 memset(cli
->outbuf
,'\0',smb_size
);
988 set_message(cli
->outbuf
,0,0,True
);
989 SCVAL(cli
->outbuf
,smb_com
,SMBtdis
);
990 SSVAL(cli
->outbuf
,smb_tid
,cli
->cnum
);
991 cli_setup_packet(cli
);
994 if (!cli_receive_smb(cli
))
997 return !cli_is_error(cli
);
1000 /****************************************************************************
1001 Send a negprot command.
1002 ****************************************************************************/
1004 void cli_negprot_send(struct cli_state
*cli
)
1009 if (cli
->protocol
< PROTOCOL_NT1
)
1010 cli
->use_spnego
= False
;
1012 memset(cli
->outbuf
,'\0',smb_size
);
1014 /* setup the protocol strings */
1015 set_message(cli
->outbuf
,0,0,True
);
1017 p
= smb_buf(cli
->outbuf
);
1019 prots
[numprots
].name
&& prots
[numprots
].prot
<=cli
->protocol
;
1022 p
+= clistr_push(cli
, p
, prots
[numprots
].name
, -1, STR_TERMINATE
);
1025 SCVAL(cli
->outbuf
,smb_com
,SMBnegprot
);
1026 cli_setup_bcc(cli
, p
);
1027 cli_setup_packet(cli
);
1029 SCVAL(smb_buf(cli
->outbuf
),0,2);
1034 /****************************************************************************
1035 Send a negprot command.
1036 ****************************************************************************/
1038 BOOL
cli_negprot(struct cli_state
*cli
)
1044 if (cli
->protocol
< PROTOCOL_NT1
)
1045 cli
->use_spnego
= False
;
1047 memset(cli
->outbuf
,'\0',smb_size
);
1049 /* setup the protocol strings */
1050 for (plength
=0,numprots
=0;
1051 prots
[numprots
].name
&& prots
[numprots
].prot
<=cli
->protocol
;
1053 plength
+= strlen(prots
[numprots
].name
)+2;
1055 set_message(cli
->outbuf
,0,plength
,True
);
1057 p
= smb_buf(cli
->outbuf
);
1059 prots
[numprots
].name
&& prots
[numprots
].prot
<=cli
->protocol
;
1062 p
+= clistr_push(cli
, p
, prots
[numprots
].name
, -1, STR_TERMINATE
);
1065 SCVAL(cli
->outbuf
,smb_com
,SMBnegprot
);
1066 cli_setup_packet(cli
);
1068 SCVAL(smb_buf(cli
->outbuf
),0,2);
1071 if (!cli_receive_smb(cli
))
1074 show_msg(cli
->inbuf
);
1076 if (cli_is_error(cli
) ||
1077 ((int)SVAL(cli
->inbuf
,smb_vwv0
) >= numprots
)) {
1081 cli
->protocol
= prots
[SVAL(cli
->inbuf
,smb_vwv0
)].prot
;
1083 if ((cli
->protocol
< PROTOCOL_NT1
) && cli
->sign_info
.mandatory_signing
) {
1084 DEBUG(0,("cli_negprot: SMB signing is mandatory and the selected protocol level doesn't support it.\n"));
1088 if (cli
->protocol
>= PROTOCOL_NT1
) {
1090 cli
->sec_mode
= CVAL(cli
->inbuf
,smb_vwv1
);
1091 cli
->max_mux
= SVAL(cli
->inbuf
, smb_vwv1
+1);
1092 cli
->max_xmit
= IVAL(cli
->inbuf
,smb_vwv3
+1);
1093 cli
->sesskey
= IVAL(cli
->inbuf
,smb_vwv7
+1);
1094 cli
->serverzone
= SVALS(cli
->inbuf
,smb_vwv15
+1);
1095 cli
->serverzone
*= 60;
1096 /* this time arrives in real GMT */
1097 cli
->servertime
= interpret_long_date(cli
->inbuf
+smb_vwv11
+1);
1098 cli
->secblob
= data_blob(smb_buf(cli
->inbuf
),smb_buflen(cli
->inbuf
));
1099 cli
->capabilities
= IVAL(cli
->inbuf
,smb_vwv9
+1);
1100 if (cli
->capabilities
& CAP_RAW_MODE
) {
1101 cli
->readbraw_supported
= True
;
1102 cli
->writebraw_supported
= True
;
1104 /* work out if they sent us a workgroup */
1105 if (!(cli
->capabilities
& CAP_EXTENDED_SECURITY
) &&
1106 smb_buflen(cli
->inbuf
) > 8) {
1107 clistr_pull(cli
, cli
->server_domain
,
1108 smb_buf(cli
->inbuf
)+8, sizeof(cli
->server_domain
),
1109 smb_buflen(cli
->inbuf
)-8, STR_UNICODE
|STR_NOALIGN
);
1113 * As signing is slow we only turn it on if either the client or
1114 * the server require it. JRA.
1117 if (cli
->sec_mode
& NEGOTIATE_SECURITY_SIGNATURES_REQUIRED
) {
1118 /* Fail if server says signing is mandatory and we don't want to support it. */
1119 if (!cli
->sign_info
.allow_smb_signing
) {
1120 DEBUG(0,("cli_negprot: SMB signing is mandatory and we have disabled it.\n"));
1123 cli
->sign_info
.negotiated_smb_signing
= True
;
1124 cli
->sign_info
.mandatory_signing
= True
;
1125 } else if (cli
->sign_info
.mandatory_signing
&& cli
->sign_info
.allow_smb_signing
) {
1126 /* Fail if client says signing is mandatory and the server doesn't support it. */
1127 if (!(cli
->sec_mode
& NEGOTIATE_SECURITY_SIGNATURES_ENABLED
)) {
1128 DEBUG(1,("cli_negprot: SMB signing is mandatory and the server doesn't support it.\n"));
1131 cli
->sign_info
.negotiated_smb_signing
= True
;
1132 cli
->sign_info
.mandatory_signing
= True
;
1133 } else if (cli
->sec_mode
& NEGOTIATE_SECURITY_SIGNATURES_ENABLED
) {
1134 cli
->sign_info
.negotiated_smb_signing
= True
;
1137 } else if (cli
->protocol
>= PROTOCOL_LANMAN1
) {
1138 cli
->use_spnego
= False
;
1139 cli
->sec_mode
= SVAL(cli
->inbuf
,smb_vwv1
);
1140 cli
->max_xmit
= SVAL(cli
->inbuf
,smb_vwv2
);
1141 cli
->max_mux
= SVAL(cli
->inbuf
, smb_vwv3
);
1142 cli
->sesskey
= IVAL(cli
->inbuf
,smb_vwv6
);
1143 cli
->serverzone
= SVALS(cli
->inbuf
,smb_vwv10
);
1144 cli
->serverzone
*= 60;
1145 /* this time is converted to GMT by make_unix_date */
1146 cli
->servertime
= make_unix_date(cli
->inbuf
+smb_vwv8
);
1147 cli
->readbraw_supported
= ((SVAL(cli
->inbuf
,smb_vwv5
) & 0x1) != 0);
1148 cli
->writebraw_supported
= ((SVAL(cli
->inbuf
,smb_vwv5
) & 0x2) != 0);
1149 cli
->secblob
= data_blob(smb_buf(cli
->inbuf
),smb_buflen(cli
->inbuf
));
1151 /* the old core protocol */
1152 cli
->use_spnego
= False
;
1154 cli
->serverzone
= TimeDiff(time(NULL
));
1157 cli
->max_xmit
= MIN(cli
->max_xmit
, CLI_BUFFER_SIZE
);
1159 /* a way to force ascii SMB */
1160 if (getenv("CLI_FORCE_ASCII"))
1161 cli
->capabilities
&= ~CAP_UNICODE
;
1166 /****************************************************************************
1167 Send a session request. See rfc1002.txt 4.3 and 4.3.2.
1168 ****************************************************************************/
1170 BOOL
cli_session_request(struct cli_state
*cli
,
1171 struct nmb_name
*calling
, struct nmb_name
*called
)
1175 extern pstring user_socket_options
;
1177 memcpy(&(cli
->calling
), calling
, sizeof(*calling
));
1178 memcpy(&(cli
->called
), called
, sizeof(*called
));
1180 /* put in the destination name */
1181 p
= cli
->outbuf
+len
;
1182 name_mangle(cli
->called
.name
, p
, cli
->called
.name_type
);
1186 p
= cli
->outbuf
+len
;
1187 name_mangle(cli
->calling
.name
, p
, cli
->calling
.name_type
);
1190 /* 445 doesn't have session request */
1191 if (cli
->port
== 445)
1194 /* send a session request (RFC 1002) */
1195 /* setup the packet length
1196 * Remove four bytes from the length count, since the length
1197 * field in the NBT Session Service header counts the number
1198 * of bytes which follow. The cli_send_smb() function knows
1199 * about this and accounts for those four bytes.
1203 _smb_setlen(cli
->outbuf
,len
);
1204 SCVAL(cli
->outbuf
,0,0x81);
1207 DEBUG(5,("Sent session request\n"));
1209 if (!cli_receive_smb(cli
))
1212 if (CVAL(cli
->inbuf
,0) == 0x84) {
1213 /* C. Hoch 9/14/95 Start */
1214 /* For information, here is the response structure.
1215 * We do the byte-twiddling to for portability.
1216 struct RetargetResponse{
1218 unsigned char flags;
1224 int port
= (CVAL(cli
->inbuf
,8)<<8)+CVAL(cli
->inbuf
,9);
1225 /* SESSION RETARGET */
1226 putip((char *)&cli
->dest_ip
,cli
->inbuf
+4);
1228 cli
->fd
= open_socket_out(SOCK_STREAM
, &cli
->dest_ip
, port
, LONG_CONNECT_TIMEOUT
);
1232 DEBUG(3,("Retargeted\n"));
1234 set_socket_options(cli
->fd
,user_socket_options
);
1241 DEBUG(0,("Retarget recursion - failing\n"));
1245 ret
= cli_session_request(cli
, calling
, called
);
1249 } /* C. Hoch 9/14/95 End */
1251 if (CVAL(cli
->inbuf
,0) != 0x82) {
1252 /* This is the wrong place to put the error... JRA. */
1253 cli
->rap_error
= CVAL(cli
->inbuf
,4);
1259 /****************************************************************************
1260 Open the client sockets.
1261 ****************************************************************************/
1263 BOOL
cli_connect(struct cli_state
*cli
, const char *host
, struct in_addr
*ip
)
1265 extern pstring user_socket_options
;
1266 int name_type
= 0x20;
1269 /* reasonable default hostname */
1270 if (!host
) host
= "*SMBSERVER";
1272 fstrcpy(cli
->desthost
, host
);
1274 /* allow hostnames of the form NAME#xx and do a netbios lookup */
1275 if ((p
= strchr(cli
->desthost
, '#'))) {
1276 name_type
= strtol(p
+1, NULL
, 16);
1280 if (!ip
|| is_zero_ip(*ip
)) {
1281 if (!resolve_name(cli
->desthost
, &cli
->dest_ip
, name_type
)) {
1284 if (ip
) *ip
= cli
->dest_ip
;
1289 if (getenv("LIBSMB_PROG")) {
1290 cli
->fd
= sock_exec(getenv("LIBSMB_PROG"));
1292 /* try 445 first, then 139 */
1293 int port
= cli
->port
?cli
->port
:445;
1294 cli
->fd
= open_socket_out(SOCK_STREAM
, &cli
->dest_ip
,
1295 port
, cli
->timeout
);
1296 if (cli
->fd
== -1 && cli
->port
== 0) {
1298 cli
->fd
= open_socket_out(SOCK_STREAM
, &cli
->dest_ip
,
1299 port
, cli
->timeout
);
1304 if (cli
->fd
== -1) {
1305 DEBUG(1,("Error connecting to %s (%s)\n",
1306 ip
?inet_ntoa(*ip
):host
,strerror(errno
)));
1310 set_socket_options(cli
->fd
,user_socket_options
);
1315 /****************************************************************************
1316 Initialise client credentials for authenticated pipe access.
1317 ****************************************************************************/
1319 void init_creds(struct ntuser_creds
*creds
, const char* username
,
1320 const char* domain
, const char* password
)
1322 ZERO_STRUCTP(creds
);
1324 pwd_set_cleartext(&creds
->pwd
, password
);
1326 fstrcpy(creds
->user_name
, username
);
1327 fstrcpy(creds
->domain
, domain
);
1330 creds
->pwd
.null_pwd
= True
;
1335 establishes a connection to after the negprot.
1336 @param output_cli A fully initialised cli structure, non-null only on success
1337 @param dest_host The netbios name of the remote host
1338 @param dest_ip (optional) The the destination IP, NULL for name based lookup
1339 @param port (optional) The destination port (0 for default)
1340 @param retry BOOL. Did this connection fail with a retryable error ?
1343 NTSTATUS
cli_start_connection(struct cli_state
**output_cli
,
1344 const char *my_name
,
1345 const char *dest_host
,
1346 struct in_addr
*dest_ip
, int port
,
1347 int signing_state
, int flags
,
1351 struct nmb_name calling
;
1352 struct nmb_name called
;
1353 struct cli_state
*cli
;
1360 my_name
= global_myname();
1362 if (!(cli
= cli_initialise(NULL
)))
1363 return NT_STATUS_NO_MEMORY
;
1365 make_nmb_name(&calling
, my_name
, 0x0);
1366 make_nmb_name(&called
, dest_host
, 0x20);
1368 if (cli_set_port(cli
, port
) != port
) {
1370 return NT_STATUS_UNSUCCESSFUL
;
1373 cli_set_timeout(cli
, 10000); /* 10 seconds. */
1382 DEBUG(3,("Connecting to host=%s\n", dest_host
));
1384 if (!cli_connect(cli
, dest_host
, &ip
)) {
1385 DEBUG(1,("cli_full_connection: failed to connect to %s (%s)\n",
1386 nmb_namestr(&called
), inet_ntoa(ip
)));
1388 return NT_STATUS_UNSUCCESSFUL
;
1394 if (!cli_session_request(cli
, &calling
, &called
)) {
1396 DEBUG(1,("session request to %s failed (%s)\n",
1397 called
.name
, cli_errstr(cli
)));
1398 if ((p
=strchr(called
.name
, '.')) && !is_ipaddress(called
.name
)) {
1402 if (strcmp(called
.name
, "*SMBSERVER")) {
1403 make_nmb_name(&called
, "*SMBSERVER", 0x20);
1406 return NT_STATUS_UNSUCCESSFUL
;
1409 cli_setup_signing_state(cli
, signing_state
);
1411 if (flags
& CLI_FULL_CONNECTION_DONT_SPNEGO
)
1412 cli
->use_spnego
= False
;
1413 else if (flags
& CLI_FULL_CONNECTION_USE_KERBEROS
)
1414 cli
->use_kerberos
= True
;
1416 if (!cli_negprot(cli
)) {
1417 DEBUG(1,("failed negprot\n"));
1418 nt_status
= NT_STATUS_UNSUCCESSFUL
;
1424 return NT_STATUS_OK
;
1429 establishes a connection right up to doing tconX, password specified.
1430 @param output_cli A fully initialised cli structure, non-null only on success
1431 @param dest_host The netbios name of the remote host
1432 @param dest_ip (optional) The the destination IP, NULL for name based lookup
1433 @param port (optional) The destination port (0 for default)
1434 @param service (optional) The share to make the connection to. Should be 'unqualified' in any way.
1435 @param service_type The 'type' of serivice.
1436 @param user Username, unix string
1437 @param domain User's domain
1438 @param password User's password, unencrypted unix string.
1439 @param retry BOOL. Did this connection fail with a retryable error ?
1442 NTSTATUS
cli_full_connection(struct cli_state
**output_cli
,
1443 const char *my_name
,
1444 const char *dest_host
,
1445 struct in_addr
*dest_ip
, int port
,
1446 const char *service
, const char *service_type
,
1447 const char *user
, const char *domain
,
1448 const char *password
, int flags
,
1452 struct ntuser_creds creds
;
1454 struct cli_state
*cli
= NULL
;
1456 nt_status
= cli_start_connection(&cli
, my_name
, dest_host
,
1457 dest_ip
, port
, signing_state
, flags
, retry
);
1459 if (!NT_STATUS_IS_OK(nt_status
)) {
1463 if (!cli_session_setup(cli
, user
, password
, strlen(password
)+1,
1464 password
, strlen(password
)+1,
1466 if ((flags
& CLI_FULL_CONNECTION_ANNONYMOUS_FALLBACK
)
1467 && cli_session_setup(cli
, "", "", 0, "", 0, domain
)) {
1469 nt_status
= cli_nt_error(cli
);
1470 DEBUG(1,("failed session setup with %s\n", nt_errstr(nt_status
)));
1472 if (NT_STATUS_IS_OK(nt_status
))
1473 nt_status
= NT_STATUS_UNSUCCESSFUL
;
1479 if (!cli_send_tconX(cli
, service
, service_type
,
1480 password
, strlen(password
)+1)) {
1481 nt_status
= cli_nt_error(cli
);
1482 DEBUG(1,("failed tcon_X with %s\n", nt_errstr(nt_status
)));
1484 if (NT_STATUS_IS_OK(nt_status
)) {
1485 nt_status
= NT_STATUS_UNSUCCESSFUL
;
1491 init_creds(&creds
, user
, domain
, password
);
1492 cli_init_creds(cli
, &creds
);
1495 return NT_STATUS_OK
;
1498 /****************************************************************************
1499 Attempt a NetBIOS session request, falling back to *SMBSERVER if needed.
1500 ****************************************************************************/
1502 BOOL
attempt_netbios_session_request(struct cli_state
*cli
, const char *srchost
, const char *desthost
,
1503 struct in_addr
*pdest_ip
)
1505 struct nmb_name calling
, called
;
1507 make_nmb_name(&calling
, srchost
, 0x0);
1510 * If the called name is an IP address
1511 * then use *SMBSERVER immediately.
1514 if(is_ipaddress(desthost
))
1515 make_nmb_name(&called
, "*SMBSERVER", 0x20);
1517 make_nmb_name(&called
, desthost
, 0x20);
1519 if (!cli_session_request(cli
, &calling
, &called
)) {
1520 struct nmb_name smbservername
;
1522 make_nmb_name(&smbservername
, "*SMBSERVER", 0x20);
1525 * If the name wasn't *SMBSERVER then
1526 * try with *SMBSERVER if the first name fails.
1529 if (nmb_name_equal(&called
, &smbservername
)) {
1532 * The name used was *SMBSERVER, don't bother with another name.
1535 DEBUG(0,("attempt_netbios_session_request: %s rejected the session for name *SMBSERVER \
1536 with error %s.\n", desthost
, cli_errstr(cli
) ));
1541 * We need to close the connection here but can't call cli_shutdown as
1542 * will free an allocated cli struct. cli_close_connection was invented
1543 * for this purpose. JRA. Based on work by "Kim R. Pedersen" <krp@filanet.dk>.
1546 cli_close_connection(cli
);
1548 if (!cli_initialise(cli
) ||
1549 !cli_connect(cli
, desthost
, pdest_ip
) ||
1550 !cli_session_request(cli
, &calling
, &smbservername
)) {
1551 DEBUG(0,("attempt_netbios_session_request: %s rejected the session for \
1552 name *SMBSERVER with error %s\n", desthost
, cli_errstr(cli
) ));
1564 /****************************************************************************
1565 Send an old style tcon.
1566 ****************************************************************************/
1567 NTSTATUS
cli_raw_tcon(struct cli_state
*cli
,
1568 const char *service
, const char *pass
, const char *dev
,
1569 uint16
*max_xmit
, uint16
*tid
)
1573 if (!lp_client_plaintext_auth() && (*pass
)) {
1574 DEBUG(1, ("Server requested plaintext password but 'client use plaintext auth'"
1576 return NT_STATUS_ACCESS_DENIED
;
1579 memset(cli
->outbuf
,'\0',smb_size
);
1580 memset(cli
->inbuf
,'\0',smb_size
);
1582 set_message(cli
->outbuf
, 0, 0, True
);
1583 SCVAL(cli
->outbuf
,smb_com
,SMBtcon
);
1584 cli_setup_packet(cli
);
1586 p
= smb_buf(cli
->outbuf
);
1587 *p
++ = 4; p
+= clistr_push(cli
, p
, service
, -1, STR_TERMINATE
| STR_NOALIGN
);
1588 *p
++ = 4; p
+= clistr_push(cli
, p
, pass
, -1, STR_TERMINATE
| STR_NOALIGN
);
1589 *p
++ = 4; p
+= clistr_push(cli
, p
, dev
, -1, STR_TERMINATE
| STR_NOALIGN
);
1591 cli_setup_bcc(cli
, p
);
1594 if (!cli_receive_smb(cli
)) {
1595 return NT_STATUS_UNEXPECTED_NETWORK_ERROR
;
1598 if (cli_is_error(cli
)) {
1599 return cli_nt_error(cli
);
1602 *max_xmit
= SVAL(cli
->inbuf
, smb_vwv0
);
1603 *tid
= SVAL(cli
->inbuf
, smb_vwv1
);
1605 return NT_STATUS_OK
;
1608 /* Return a cli_state pointing at the IPC$ share for the given server */
1610 struct cli_state
*get_ipc_connect(char *server
, struct in_addr
*server_ip
,
1611 struct user_auth_info
*user_info
)
1613 struct cli_state
*cli
;
1619 nt_status
= cli_full_connection(&cli
, myname
, server
, server_ip
, 0, "IPC$", "IPC",
1620 user_info
->username
, lp_workgroup(), user_info
->password
,
1621 CLI_FULL_CONNECTION_ANNONYMOUS_FALLBACK
, Undefined
, NULL
);
1623 if (NT_STATUS_IS_OK(nt_status
)) {
1625 } else if (is_ipaddress(server
)) {
1626 /* windows 9* needs a correct NMB name for connections */
1627 fstring remote_name
;
1629 if (name_status_find("*", 0, 0, *server_ip
, remote_name
)) {
1630 cli
= get_ipc_connect(remote_name
, server_ip
, user_info
);
1639 * Given the IP address of a master browser on the network, return its
1640 * workgroup and connect to it.
1642 * This function is provided to allow additional processing beyond what
1643 * get_ipc_connect_master_ip_bcast() does, e.g. to retrieve the list of master
1644 * browsers and obtain each master browsers' list of domains (in case the
1645 * first master browser is recently on the network and has not yet
1646 * synchronized with other master browsers and therefore does not yet have the
1647 * entire network browse list)
1650 struct cli_state
*get_ipc_connect_master_ip(struct ip_service
* mb_ip
, pstring workgroup
, struct user_auth_info
*user_info
)
1652 static fstring name
;
1653 struct cli_state
*cli
;
1654 struct in_addr server_ip
;
1656 DEBUG(99, ("Looking up name of master browser %s\n",
1657 inet_ntoa(mb_ip
->ip
)));
1660 * Do a name status query to find out the name of the master browser.
1661 * We use <01><02>__MSBROWSE__<02>#01 if *#00 fails because a domain
1662 * master browser will not respond to a wildcard query (or, at least,
1663 * an NT4 server acting as the domain master browser will not).
1665 * We might be able to use ONLY the query on MSBROWSE, but that's not
1666 * yet been tested with all Windows versions, so until it is, leave
1667 * the original wildcard query as the first choice and fall back to
1668 * MSBROWSE if the wildcard query fails.
1670 if (!name_status_find("*", 0, 0x1d, mb_ip
->ip
, name
) &&
1671 !name_status_find(MSBROWSE
, 1, 0x1d, mb_ip
->ip
, name
)) {
1673 DEBUG(99, ("Could not retrieve name status for %s\n",
1674 inet_ntoa(mb_ip
->ip
)));
1678 if (!find_master_ip(name
, &server_ip
)) {
1679 DEBUG(99, ("Could not find master ip for %s\n", name
));
1683 pstrcpy(workgroup
, name
);
1685 DEBUG(4, ("found master browser %s, %s\n",
1686 name
, inet_ntoa(mb_ip
->ip
)));
1688 cli
= get_ipc_connect(inet_ntoa(server_ip
), &server_ip
, user_info
);
1695 * Return the IP address and workgroup of a master browser on the network, and
1699 struct cli_state
*get_ipc_connect_master_ip_bcast(pstring workgroup
, struct user_auth_info
*user_info
)
1701 struct ip_service
*ip_list
;
1702 struct cli_state
*cli
;
1705 DEBUG(99, ("Do broadcast lookup for workgroups on local network\n"));
1707 /* Go looking for workgroups by broadcasting on the local network */
1709 if (!name_resolve_bcast(MSBROWSE
, 1, &ip_list
, &count
)) {
1710 DEBUG(99, ("No master browsers responded\n"));
1714 for (i
= 0; i
< count
; i
++) {
1715 DEBUG(99, ("Found master browser %s\n", inet_ntoa(ip_list
[i
].ip
)));
1717 cli
= get_ipc_connect_master_ip(&ip_list
[i
], workgroup
, user_info
);