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 capabilities
|= (cli
->capabilities
& (CAP_UNICODE
|CAP_LARGE_FILES
|CAP_LARGE_READX
|CAP_LARGE_WRITEX
));
158 /****************************************************************************
159 Do a NT1 guest session setup.
160 ****************************************************************************/
162 static BOOL
cli_session_setup_guest(struct cli_state
*cli
)
165 uint32 capabilities
= cli_session_setup_capabilities(cli
);
167 set_message(cli
->outbuf
,13,0,True
);
168 SCVAL(cli
->outbuf
,smb_com
,SMBsesssetupX
);
169 cli_setup_packet(cli
);
171 SCVAL(cli
->outbuf
,smb_vwv0
,0xFF);
172 SSVAL(cli
->outbuf
,smb_vwv2
,CLI_BUFFER_SIZE
);
173 SSVAL(cli
->outbuf
,smb_vwv3
,2);
174 SSVAL(cli
->outbuf
,smb_vwv4
,cli
->pid
);
175 SIVAL(cli
->outbuf
,smb_vwv5
,cli
->sesskey
);
176 SSVAL(cli
->outbuf
,smb_vwv7
,0);
177 SSVAL(cli
->outbuf
,smb_vwv8
,0);
178 SIVAL(cli
->outbuf
,smb_vwv11
,capabilities
);
179 p
= smb_buf(cli
->outbuf
);
180 p
+= clistr_push(cli
, p
, "", -1, STR_TERMINATE
); /* username */
181 p
+= clistr_push(cli
, p
, "", -1, STR_TERMINATE
); /* workgroup */
182 p
+= clistr_push(cli
, p
, "Unix", -1, STR_TERMINATE
);
183 p
+= clistr_push(cli
, p
, "Samba", -1, STR_TERMINATE
);
184 cli_setup_bcc(cli
, p
);
187 if (!cli_receive_smb(cli
))
190 show_msg(cli
->inbuf
);
192 if (cli_is_error(cli
))
195 cli
->vuid
= SVAL(cli
->inbuf
,smb_uid
);
197 p
= smb_buf(cli
->inbuf
);
198 p
+= clistr_pull(cli
, cli
->server_os
, p
, sizeof(fstring
), -1, STR_TERMINATE
);
199 p
+= clistr_pull(cli
, cli
->server_type
, p
, sizeof(fstring
), -1, STR_TERMINATE
);
200 p
+= clistr_pull(cli
, cli
->server_domain
, p
, sizeof(fstring
), -1, STR_TERMINATE
);
202 fstrcpy(cli
->user_name
, "");
207 /****************************************************************************
208 Do a NT1 plaintext session setup.
209 ****************************************************************************/
211 static BOOL
cli_session_setup_plaintext(struct cli_state
*cli
, const char *user
,
212 const char *pass
, const char *workgroup
)
214 uint32 capabilities
= cli_session_setup_capabilities(cli
);
218 fstr_sprintf( lanman
, "Samba %s", SAMBA_VERSION_STRING
);
220 set_message(cli
->outbuf
,13,0,True
);
221 SCVAL(cli
->outbuf
,smb_com
,SMBsesssetupX
);
222 cli_setup_packet(cli
);
224 SCVAL(cli
->outbuf
,smb_vwv0
,0xFF);
225 SSVAL(cli
->outbuf
,smb_vwv2
,CLI_BUFFER_SIZE
);
226 SSVAL(cli
->outbuf
,smb_vwv3
,2);
227 SSVAL(cli
->outbuf
,smb_vwv4
,cli
->pid
);
228 SIVAL(cli
->outbuf
,smb_vwv5
,cli
->sesskey
);
229 SSVAL(cli
->outbuf
,smb_vwv8
,0);
230 SIVAL(cli
->outbuf
,smb_vwv11
,capabilities
);
231 p
= smb_buf(cli
->outbuf
);
233 /* check wether to send the ASCII or UNICODE version of the password */
235 if ( (capabilities
& CAP_UNICODE
) == 0 ) {
236 p
+= clistr_push(cli
, p
, pass
, -1, STR_TERMINATE
); /* password */
237 SSVAL(cli
->outbuf
,smb_vwv7
,PTR_DIFF(p
, smb_buf(cli
->outbuf
)));
240 p
+= clistr_push(cli
, p
, pass
, -1, STR_UNICODE
|STR_TERMINATE
); /* unicode password */
241 SSVAL(cli
->outbuf
,smb_vwv8
,PTR_DIFF(p
, smb_buf(cli
->outbuf
)));
244 p
+= clistr_push(cli
, p
, user
, -1, STR_TERMINATE
); /* username */
245 p
+= clistr_push(cli
, p
, workgroup
, -1, STR_TERMINATE
); /* workgroup */
246 p
+= clistr_push(cli
, p
, "Unix", -1, STR_TERMINATE
);
247 p
+= clistr_push(cli
, p
, lanman
, -1, STR_TERMINATE
);
248 cli_setup_bcc(cli
, p
);
251 if (!cli_receive_smb(cli
))
254 show_msg(cli
->inbuf
);
256 if (cli_is_error(cli
))
259 cli
->vuid
= SVAL(cli
->inbuf
,smb_uid
);
260 p
= smb_buf(cli
->inbuf
);
261 p
+= clistr_pull(cli
, cli
->server_os
, p
, sizeof(fstring
), -1, STR_TERMINATE
);
262 p
+= clistr_pull(cli
, cli
->server_type
, p
, sizeof(fstring
), -1, STR_TERMINATE
);
263 p
+= clistr_pull(cli
, cli
->server_domain
, p
, sizeof(fstring
), -1, STR_TERMINATE
);
264 fstrcpy(cli
->user_name
, user
);
269 /****************************************************************************
270 do a NT1 NTLM/LM encrypted session setup - for when extended security
272 @param cli client state to create do session setup on
274 @param pass *either* cleartext password (passlen !=24) or LM response.
275 @param ntpass NT response, implies ntpasslen >=24, implies pass is not clear
276 @param workgroup The user's domain.
277 ****************************************************************************/
279 static BOOL
cli_session_setup_nt1(struct cli_state
*cli
, const char *user
,
280 const char *pass
, size_t passlen
,
281 const char *ntpass
, size_t ntpasslen
,
282 const char *workgroup
)
284 uint32 capabilities
= cli_session_setup_capabilities(cli
);
285 DATA_BLOB lm_response
= data_blob(NULL
, 0);
286 DATA_BLOB nt_response
= data_blob(NULL
, 0);
287 DATA_BLOB session_key
= data_blob(NULL
, 0);
292 /* do nothing - guest login */
293 } else if (passlen
!= 24) {
294 if (lp_client_ntlmv2_auth()) {
295 DATA_BLOB server_chal
;
296 DATA_BLOB names_blob
;
297 server_chal
= data_blob(cli
->secblob
.data
, MIN(cli
->secblob
.length
, 8));
299 /* note that the 'workgroup' here is a best guess - we don't know
300 the server's domain at this point. The 'server name' is also
303 names_blob
= NTLMv2_generate_names_blob(cli
->called
.name
, workgroup
);
305 if (!SMBNTLMv2encrypt(user
, workgroup
, pass
, &server_chal
,
307 &lm_response
, &nt_response
, &session_key
)) {
308 data_blob_free(&names_blob
);
309 data_blob_free(&server_chal
);
312 data_blob_free(&names_blob
);
313 data_blob_free(&server_chal
);
317 E_md4hash(pass
, nt_hash
);
320 nt_response
= data_blob(NULL
, 0);
322 nt_response
= data_blob(NULL
, 24);
323 SMBNTencrypt(pass
,cli
->secblob
.data
,nt_response
.data
);
325 /* non encrypted password supplied. Ignore ntpass. */
326 if (lp_client_lanman_auth()) {
327 lm_response
= data_blob(NULL
, 24);
328 if (!SMBencrypt(pass
,cli
->secblob
.data
, lm_response
.data
)) {
329 /* Oops, the LM response is invalid, just put
330 the NT response there instead */
331 data_blob_free(&lm_response
);
332 lm_response
= data_blob(nt_response
.data
, nt_response
.length
);
335 /* LM disabled, place NT# in LM field instead */
336 lm_response
= data_blob(nt_response
.data
, nt_response
.length
);
339 session_key
= data_blob(NULL
, 16);
341 E_deshash(pass
, session_key
.data
);
342 memset(&session_key
.data
[8], '\0', 8);
344 SMBsesskeygen_ntv1(nt_hash
, NULL
, session_key
.data
);
348 cli_simple_set_signing(cli
, session_key
, lm_response
);
350 cli_simple_set_signing(cli
, session_key
, nt_response
);
353 /* pre-encrypted password supplied. Only used for
354 security=server, can't do
355 signing because we don't have original key */
357 lm_response
= data_blob(pass
, passlen
);
358 nt_response
= data_blob(ntpass
, ntpasslen
);
361 /* send a session setup command */
362 memset(cli
->outbuf
,'\0',smb_size
);
364 set_message(cli
->outbuf
,13,0,True
);
365 SCVAL(cli
->outbuf
,smb_com
,SMBsesssetupX
);
366 cli_setup_packet(cli
);
368 SCVAL(cli
->outbuf
,smb_vwv0
,0xFF);
369 SSVAL(cli
->outbuf
,smb_vwv2
,CLI_BUFFER_SIZE
);
370 SSVAL(cli
->outbuf
,smb_vwv3
,2);
371 SSVAL(cli
->outbuf
,smb_vwv4
,cli
->pid
);
372 SIVAL(cli
->outbuf
,smb_vwv5
,cli
->sesskey
);
373 SSVAL(cli
->outbuf
,smb_vwv7
,lm_response
.length
);
374 SSVAL(cli
->outbuf
,smb_vwv8
,nt_response
.length
);
375 SIVAL(cli
->outbuf
,smb_vwv11
,capabilities
);
376 p
= smb_buf(cli
->outbuf
);
377 if (lm_response
.length
) {
378 memcpy(p
,lm_response
.data
, lm_response
.length
); p
+= lm_response
.length
;
380 if (nt_response
.length
) {
381 memcpy(p
,nt_response
.data
, nt_response
.length
); p
+= nt_response
.length
;
383 p
+= clistr_push(cli
, p
, user
, -1, STR_TERMINATE
);
385 /* Upper case here might help some NTLMv2 implementations */
386 p
+= clistr_push(cli
, p
, workgroup
, -1, STR_TERMINATE
|STR_UPPER
);
387 p
+= clistr_push(cli
, p
, "Unix", -1, STR_TERMINATE
);
388 p
+= clistr_push(cli
, p
, "Samba", -1, STR_TERMINATE
);
389 cli_setup_bcc(cli
, p
);
391 if (!cli_send_smb(cli
) || !cli_receive_smb(cli
)) {
396 /* show_msg(cli->inbuf); */
398 if (cli_is_error(cli
)) {
403 /* use the returned vuid from now on */
404 cli
->vuid
= SVAL(cli
->inbuf
,smb_uid
);
406 p
= smb_buf(cli
->inbuf
);
407 p
+= clistr_pull(cli
, cli
->server_os
, p
, sizeof(fstring
), -1, STR_TERMINATE
);
408 p
+= clistr_pull(cli
, cli
->server_type
, p
, sizeof(fstring
), -1, STR_TERMINATE
);
409 p
+= clistr_pull(cli
, cli
->server_domain
, p
, sizeof(fstring
), -1, STR_TERMINATE
);
411 fstrcpy(cli
->user_name
, user
);
413 if (session_key
.data
) {
414 /* Have plaintext orginal */
415 cli_set_session_key(cli
, session_key
);
420 data_blob_free(&lm_response
);
421 data_blob_free(&nt_response
);
422 data_blob_free(&session_key
);
426 /****************************************************************************
427 Send a extended security session setup blob
428 ****************************************************************************/
430 static BOOL
cli_session_setup_blob_send(struct cli_state
*cli
, DATA_BLOB blob
)
432 uint32 capabilities
= cli_session_setup_capabilities(cli
);
435 capabilities
|= CAP_EXTENDED_SECURITY
;
437 /* send a session setup command */
438 memset(cli
->outbuf
,'\0',smb_size
);
440 set_message(cli
->outbuf
,12,0,True
);
441 SCVAL(cli
->outbuf
,smb_com
,SMBsesssetupX
);
443 cli_setup_packet(cli
);
445 SCVAL(cli
->outbuf
,smb_vwv0
,0xFF);
446 SSVAL(cli
->outbuf
,smb_vwv2
,CLI_BUFFER_SIZE
);
447 SSVAL(cli
->outbuf
,smb_vwv3
,2);
448 SSVAL(cli
->outbuf
,smb_vwv4
,1);
449 SIVAL(cli
->outbuf
,smb_vwv5
,0);
450 SSVAL(cli
->outbuf
,smb_vwv7
,blob
.length
);
451 SIVAL(cli
->outbuf
,smb_vwv10
,capabilities
);
452 p
= smb_buf(cli
->outbuf
);
453 memcpy(p
, blob
.data
, blob
.length
);
455 p
+= clistr_push(cli
, p
, "Unix", -1, STR_TERMINATE
);
456 p
+= clistr_push(cli
, p
, "Samba", -1, STR_TERMINATE
);
457 cli_setup_bcc(cli
, p
);
458 return cli_send_smb(cli
);
461 /****************************************************************************
462 Send a extended security session setup blob, returning a reply blob.
463 ****************************************************************************/
465 static DATA_BLOB
cli_session_setup_blob_receive(struct cli_state
*cli
)
467 DATA_BLOB blob2
= data_blob(NULL
, 0);
471 if (!cli_receive_smb(cli
))
474 show_msg(cli
->inbuf
);
476 if (cli_is_error(cli
) && !NT_STATUS_EQUAL(cli_nt_error(cli
),
477 NT_STATUS_MORE_PROCESSING_REQUIRED
)) {
481 /* use the returned vuid from now on */
482 cli
->vuid
= SVAL(cli
->inbuf
,smb_uid
);
484 p
= smb_buf(cli
->inbuf
);
486 blob2
= data_blob(p
, SVAL(cli
->inbuf
, smb_vwv3
));
489 p
+= clistr_pull(cli
, cli
->server_os
, p
, sizeof(fstring
), -1, STR_TERMINATE
);
491 /* w2k with kerberos doesn't properly null terminate this field */
492 len
= smb_buflen(cli
->inbuf
) - PTR_DIFF(p
, smb_buf(cli
->inbuf
));
493 p
+= clistr_pull(cli
, cli
->server_type
, p
, sizeof(fstring
), len
, 0);
500 /****************************************************************************
501 Send a extended security session setup blob, returning a reply blob.
502 ****************************************************************************/
504 static DATA_BLOB
cli_session_setup_blob(struct cli_state
*cli
, DATA_BLOB blob
)
506 DATA_BLOB blob2
= data_blob(NULL
, 0);
507 if (!cli_session_setup_blob_send(cli
, blob
)) {
511 return cli_session_setup_blob_receive(cli
);
514 /****************************************************************************
515 Use in-memory credentials cache
516 ****************************************************************************/
518 static void use_in_memory_ccache(void) {
519 setenv(KRB5_ENV_CCNAME
, "MEMORY:cliconnect", 1);
522 /****************************************************************************
523 Do a spnego/kerberos encrypted session setup.
524 ****************************************************************************/
526 static ADS_STATUS
cli_session_setup_kerberos(struct cli_state
*cli
, const char *principal
, const char *workgroup
)
528 DATA_BLOB blob2
, negTokenTarg
;
529 DATA_BLOB session_key_krb5
;
530 DATA_BLOB null_blob
= data_blob(NULL
, 0);
533 DEBUG(2,("Doing kerberos session setup\n"));
535 /* generate the encapsulated kerberos5 ticket */
536 rc
= spnego_gen_negTokenTarg(principal
, 0, &negTokenTarg
, &session_key_krb5
);
539 DEBUG(1, ("spnego_gen_negTokenTarg failed: %s\n", error_message(rc
)));
540 return ADS_ERROR_KRB5(rc
);
544 file_save("negTokenTarg.dat", negTokenTarg
.data
, negTokenTarg
.length
);
547 cli_simple_set_signing(cli
, session_key_krb5
, null_blob
);
549 blob2
= cli_session_setup_blob(cli
, negTokenTarg
);
551 /* we don't need this blob for kerberos */
552 data_blob_free(&blob2
);
554 cli_set_session_key(cli
, session_key_krb5
);
556 data_blob_free(&negTokenTarg
);
557 data_blob_free(&session_key_krb5
);
559 if (cli_is_error(cli
)) {
560 if (NT_STATUS_IS_OK(cli_nt_error(cli
))) {
561 return ADS_ERROR_NT(NT_STATUS_UNSUCCESSFUL
);
564 return ADS_ERROR_NT(cli_nt_error(cli
));
566 #endif /* HAVE_KRB5 */
569 /****************************************************************************
570 Do a spnego/NTLMSSP encrypted session setup.
571 ****************************************************************************/
573 static NTSTATUS
cli_session_setup_ntlmssp(struct cli_state
*cli
, const char *user
,
574 const char *pass
, const char *domain
)
576 struct ntlmssp_state
*ntlmssp_state
;
580 DATA_BLOB blob
= data_blob(NULL
, 0);
581 DATA_BLOB blob_in
= data_blob(NULL
, 0);
582 DATA_BLOB blob_out
= data_blob(NULL
, 0);
584 cli_temp_set_signing(cli
);
586 if (!NT_STATUS_IS_OK(nt_status
= ntlmssp_client_start(&ntlmssp_state
))) {
590 if (!NT_STATUS_IS_OK(nt_status
= ntlmssp_set_username(ntlmssp_state
, user
))) {
593 if (!NT_STATUS_IS_OK(nt_status
= ntlmssp_set_domain(ntlmssp_state
, domain
))) {
596 if (!NT_STATUS_IS_OK(nt_status
= ntlmssp_set_password(ntlmssp_state
, pass
))) {
601 nt_status
= ntlmssp_update(ntlmssp_state
,
603 data_blob_free(&blob_in
);
604 if (NT_STATUS_EQUAL(nt_status
, NT_STATUS_MORE_PROCESSING_REQUIRED
)) {
606 /* and wrap it in a SPNEGO wrapper */
607 msg1
= gen_negTokenInit(OID_NTLMSSP
, blob_out
);
609 /* wrap it in SPNEGO */
610 msg1
= spnego_gen_auth(blob_out
);
613 /* now send that blob on its way */
614 if (!cli_session_setup_blob_send(cli
, msg1
)) {
615 DEBUG(3, ("Failed to send NTLMSSP/SPNEGO blob to server!\n"));
616 nt_status
= NT_STATUS_UNSUCCESSFUL
;
618 data_blob_free(&msg1
);
620 blob
= cli_session_setup_blob_receive(cli
);
622 nt_status
= cli_nt_error(cli
);
623 if (cli_is_error(cli
) && NT_STATUS_IS_OK(nt_status
)) {
624 if (cli
->smb_rw_error
== READ_BAD_SIG
) {
625 nt_status
= NT_STATUS_ACCESS_DENIED
;
627 nt_status
= NT_STATUS_UNSUCCESSFUL
;
634 if (NT_STATUS_IS_OK(nt_status
)) {
635 nt_status
= NT_STATUS_UNSUCCESSFUL
;
637 } else if ((turn
== 1) &&
638 NT_STATUS_EQUAL(nt_status
, NT_STATUS_MORE_PROCESSING_REQUIRED
)) {
639 DATA_BLOB tmp_blob
= data_blob(NULL
, 0);
640 /* the server might give us back two challenges */
641 if (!spnego_parse_challenge(blob
, &blob_in
,
643 DEBUG(3,("Failed to parse challenges\n"));
644 nt_status
= NT_STATUS_INVALID_PARAMETER
;
646 data_blob_free(&tmp_blob
);
648 if (!spnego_parse_auth_response(blob
, nt_status
,
650 DEBUG(3,("Failed to parse auth response\n"));
651 if (NT_STATUS_IS_OK(nt_status
)
652 || NT_STATUS_EQUAL(nt_status
, NT_STATUS_MORE_PROCESSING_REQUIRED
))
653 nt_status
= NT_STATUS_INVALID_PARAMETER
;
656 data_blob_free(&blob
);
657 data_blob_free(&blob_out
);
659 } while (NT_STATUS_EQUAL(nt_status
, NT_STATUS_MORE_PROCESSING_REQUIRED
));
661 if (NT_STATUS_IS_OK(nt_status
)) {
663 DATA_BLOB key
= data_blob(ntlmssp_state
->session_key
.data
,
664 ntlmssp_state
->session_key
.length
);
665 DATA_BLOB null_blob
= data_blob(NULL
, 0);
668 fstrcpy(cli
->server_domain
, ntlmssp_state
->server_domain
);
669 cli_set_session_key(cli
, ntlmssp_state
->session_key
);
671 res
= cli_simple_set_signing(cli
, key
, null_blob
);
673 data_blob_free(&key
);
677 /* 'resign' the last message, so we get the right sequence numbers
678 for checking the first reply from the server */
679 cli_calculate_sign_mac(cli
);
681 if (!cli_check_sign_mac(cli
)) {
682 nt_status
= NT_STATUS_ACCESS_DENIED
;
687 /* we have a reference conter on ntlmssp_state, if we are signing
688 then the state will be kept by the signing engine */
690 ntlmssp_end(&ntlmssp_state
);
695 /****************************************************************************
696 Do a spnego encrypted session setup.
697 ****************************************************************************/
699 ADS_STATUS
cli_session_setup_spnego(struct cli_state
*cli
, const char *user
,
700 const char *pass
, const char *domain
)
703 char *OIDs
[ASN1_MAX_OIDS
];
705 BOOL got_kerberos_mechanism
= False
;
708 DEBUG(3,("Doing spnego session setup (blob length=%lu)\n", (unsigned long)cli
->secblob
.length
));
710 /* the server might not even do spnego */
711 if (cli
->secblob
.length
<= 16) {
712 DEBUG(3,("server didn't supply a full spnego negprot\n"));
717 file_save("negprot.dat", cli
->secblob
.data
, cli
->secblob
.length
);
720 /* there is 16 bytes of GUID before the real spnego packet starts */
721 blob
= data_blob(cli
->secblob
.data
+16, cli
->secblob
.length
-16);
723 /* the server sent us the first part of the SPNEGO exchange in the negprot
725 if (!spnego_parse_negTokenInit(blob
, OIDs
, &principal
)) {
726 data_blob_free(&blob
);
727 return ADS_ERROR_NT(NT_STATUS_INVALID_PARAMETER
);
729 data_blob_free(&blob
);
731 /* make sure the server understands kerberos */
732 for (i
=0;OIDs
[i
];i
++) {
733 DEBUG(3,("got OID=%s\n", OIDs
[i
]));
734 if (strcmp(OIDs
[i
], OID_KERBEROS5_OLD
) == 0 ||
735 strcmp(OIDs
[i
], OID_KERBEROS5
) == 0) {
736 got_kerberos_mechanism
= True
;
740 DEBUG(3,("got principal=%s\n", principal
));
742 fstrcpy(cli
->user_name
, user
);
745 /* If password is set we reauthenticate to kerberos server
746 * and do not store results */
748 if (got_kerberos_mechanism
&& cli
->use_kerberos
) {
754 use_in_memory_ccache();
755 ret
= kerberos_kinit_password(user
, pass
, 0 /* no time correction for now */, NULL
, NULL
);
758 SAFE_FREE(principal
);
759 DEBUG(0, ("Kinit failed: %s\n", error_message(ret
)));
760 return ADS_ERROR_KRB5(ret
);
764 rc
= cli_session_setup_kerberos(cli
, principal
, domain
);
765 SAFE_FREE(principal
);
770 SAFE_FREE(principal
);
774 return ADS_ERROR_NT(cli_session_setup_ntlmssp(cli
, user
, pass
, domain
));
777 /****************************************************************************
778 Send a session setup. The username and workgroup is in UNIX character
779 format and must be converted to DOS codepage format before sending. If the
780 password is in plaintext, the same should be done.
781 ****************************************************************************/
783 BOOL
cli_session_setup(struct cli_state
*cli
,
785 const char *pass
, int passlen
,
786 const char *ntpass
, int ntpasslen
,
787 const char *workgroup
)
792 /* allow for workgroups as part of the username */
793 fstrcpy(user2
, user
);
794 if ((p
=strchr_m(user2
,'\\')) || (p
=strchr_m(user2
,'/')) ||
795 (p
=strchr_m(user2
,*lp_winbind_separator()))) {
801 if (cli
->protocol
< PROTOCOL_LANMAN1
)
804 /* now work out what sort of session setup we are going to
805 do. I have split this into separate functions to make the
806 flow a bit easier to understand (tridge) */
808 /* if its an older server then we have to use the older request format */
810 if (cli
->protocol
< PROTOCOL_NT1
) {
811 if (!lp_client_lanman_auth() && passlen
!= 24 && (*pass
)) {
812 DEBUG(1, ("Server requested LM password but 'client lanman auth'"
817 if ((cli
->sec_mode
& NEGOTIATE_SECURITY_CHALLENGE_RESPONSE
) == 0 &&
818 !lp_client_plaintext_auth() && (*pass
)) {
819 DEBUG(1, ("Server requested plaintext password but 'client use plaintext auth'"
824 return cli_session_setup_lanman2(cli
, user
, pass
, passlen
, workgroup
);
827 /* if no user is supplied then we have to do an anonymous connection.
828 passwords are ignored */
831 return cli_session_setup_guest(cli
);
833 /* if the server is share level then send a plaintext null
834 password at this point. The password is sent in the tree
837 if ((cli
->sec_mode
& NEGOTIATE_SECURITY_USER_LEVEL
) == 0)
838 return cli_session_setup_plaintext(cli
, user
, "", workgroup
);
840 /* if the server doesn't support encryption then we have to use
841 plaintext. The second password is ignored */
843 if ((cli
->sec_mode
& NEGOTIATE_SECURITY_CHALLENGE_RESPONSE
) == 0) {
844 if (!lp_client_plaintext_auth() && (*pass
)) {
845 DEBUG(1, ("Server requested plaintext password but 'client use plaintext auth'"
849 return cli_session_setup_plaintext(cli
, user
, pass
, workgroup
);
852 /* if the server supports extended security then use SPNEGO */
854 if (cli
->capabilities
& CAP_EXTENDED_SECURITY
) {
855 ADS_STATUS status
= cli_session_setup_spnego(cli
, user
, pass
, workgroup
);
856 if (!ADS_ERR_OK(status
)) {
857 DEBUG(3, ("SPNEGO login failed: %s\n", ads_errstr(status
)));
863 /* otherwise do a NT1 style session setup */
865 return cli_session_setup_nt1(cli
, user
,
866 pass
, passlen
, ntpass
, ntpasslen
,
870 /****************************************************************************
872 *****************************************************************************/
874 BOOL
cli_ulogoff(struct cli_state
*cli
)
876 memset(cli
->outbuf
,'\0',smb_size
);
877 set_message(cli
->outbuf
,2,0,True
);
878 SCVAL(cli
->outbuf
,smb_com
,SMBulogoffX
);
879 cli_setup_packet(cli
);
880 SSVAL(cli
->outbuf
,smb_vwv0
,0xFF);
881 SSVAL(cli
->outbuf
,smb_vwv2
,0); /* no additional info */
884 if (!cli_receive_smb(cli
))
887 return !cli_is_error(cli
);
890 /****************************************************************************
892 ****************************************************************************/
893 BOOL
cli_send_tconX(struct cli_state
*cli
,
894 const char *share
, const char *dev
, const char *pass
, int passlen
)
896 fstring fullshare
, pword
;
898 memset(cli
->outbuf
,'\0',smb_size
);
899 memset(cli
->inbuf
,'\0',smb_size
);
901 fstrcpy(cli
->share
, share
);
903 /* in user level security don't send a password now */
904 if (cli
->sec_mode
& NEGOTIATE_SECURITY_USER_LEVEL
) {
909 if ((cli
->sec_mode
& NEGOTIATE_SECURITY_CHALLENGE_RESPONSE
) && *pass
&& passlen
!= 24) {
910 if (!lp_client_lanman_auth()) {
911 DEBUG(1, ("Server requested LANMAN password (share-level security) but 'client use lanman auth'"
917 * Non-encrypted passwords - convert to DOS codepage before encryption.
920 SMBencrypt(pass
,cli
->secblob
.data
,(uchar
*)pword
);
922 if((cli
->sec_mode
& (NEGOTIATE_SECURITY_USER_LEVEL
|NEGOTIATE_SECURITY_CHALLENGE_RESPONSE
)) == 0) {
923 if (!lp_client_plaintext_auth() && (*pass
)) {
924 DEBUG(1, ("Server requested plaintext password but 'client use plaintext auth'"
930 * Non-encrypted passwords - convert to DOS codepage before using.
932 passlen
= clistr_push(cli
, pword
, pass
, sizeof(pword
), STR_TERMINATE
);
935 memcpy(pword
, pass
, passlen
);
939 slprintf(fullshare
, sizeof(fullshare
)-1,
940 "\\\\%s\\%s", cli
->desthost
, share
);
942 set_message(cli
->outbuf
,4, 0, True
);
943 SCVAL(cli
->outbuf
,smb_com
,SMBtconX
);
944 cli_setup_packet(cli
);
946 SSVAL(cli
->outbuf
,smb_vwv0
,0xFF);
947 SSVAL(cli
->outbuf
,smb_vwv3
,passlen
);
949 p
= smb_buf(cli
->outbuf
);
950 memcpy(p
,pword
,passlen
);
952 p
+= clistr_push(cli
, p
, fullshare
, -1, STR_TERMINATE
|STR_UPPER
);
953 p
+= clistr_push(cli
, p
, dev
, -1, STR_TERMINATE
|STR_UPPER
| STR_ASCII
);
955 cli_setup_bcc(cli
, p
);
958 if (!cli_receive_smb(cli
))
961 if (cli_is_error(cli
))
964 clistr_pull(cli
, cli
->dev
, smb_buf(cli
->inbuf
), sizeof(fstring
), -1, STR_TERMINATE
|STR_ASCII
);
966 if (cli
->protocol
>= PROTOCOL_NT1
&&
967 smb_buflen(cli
->inbuf
) == 3) {
968 /* almost certainly win95 - enable bug fixes */
972 cli
->cnum
= SVAL(cli
->inbuf
,smb_tid
);
976 /****************************************************************************
977 Send a tree disconnect.
978 ****************************************************************************/
980 BOOL
cli_tdis(struct cli_state
*cli
)
982 memset(cli
->outbuf
,'\0',smb_size
);
983 set_message(cli
->outbuf
,0,0,True
);
984 SCVAL(cli
->outbuf
,smb_com
,SMBtdis
);
985 SSVAL(cli
->outbuf
,smb_tid
,cli
->cnum
);
986 cli_setup_packet(cli
);
989 if (!cli_receive_smb(cli
))
992 return !cli_is_error(cli
);
995 /****************************************************************************
996 Send a negprot command.
997 ****************************************************************************/
999 void cli_negprot_send(struct cli_state
*cli
)
1004 if (cli
->protocol
< PROTOCOL_NT1
)
1005 cli
->use_spnego
= False
;
1007 memset(cli
->outbuf
,'\0',smb_size
);
1009 /* setup the protocol strings */
1010 set_message(cli
->outbuf
,0,0,True
);
1012 p
= smb_buf(cli
->outbuf
);
1014 prots
[numprots
].name
&& prots
[numprots
].prot
<=cli
->protocol
;
1017 p
+= clistr_push(cli
, p
, prots
[numprots
].name
, -1, STR_TERMINATE
);
1020 SCVAL(cli
->outbuf
,smb_com
,SMBnegprot
);
1021 cli_setup_bcc(cli
, p
);
1022 cli_setup_packet(cli
);
1024 SCVAL(smb_buf(cli
->outbuf
),0,2);
1029 /****************************************************************************
1030 Send a negprot command.
1031 ****************************************************************************/
1033 BOOL
cli_negprot(struct cli_state
*cli
)
1039 if (cli
->protocol
< PROTOCOL_NT1
)
1040 cli
->use_spnego
= False
;
1042 memset(cli
->outbuf
,'\0',smb_size
);
1044 /* setup the protocol strings */
1045 for (plength
=0,numprots
=0;
1046 prots
[numprots
].name
&& prots
[numprots
].prot
<=cli
->protocol
;
1048 plength
+= strlen(prots
[numprots
].name
)+2;
1050 set_message(cli
->outbuf
,0,plength
,True
);
1052 p
= smb_buf(cli
->outbuf
);
1054 prots
[numprots
].name
&& prots
[numprots
].prot
<=cli
->protocol
;
1057 p
+= clistr_push(cli
, p
, prots
[numprots
].name
, -1, STR_TERMINATE
);
1060 SCVAL(cli
->outbuf
,smb_com
,SMBnegprot
);
1061 cli_setup_packet(cli
);
1063 SCVAL(smb_buf(cli
->outbuf
),0,2);
1066 if (!cli_receive_smb(cli
))
1069 show_msg(cli
->inbuf
);
1071 if (cli_is_error(cli
) ||
1072 ((int)SVAL(cli
->inbuf
,smb_vwv0
) >= numprots
)) {
1076 cli
->protocol
= prots
[SVAL(cli
->inbuf
,smb_vwv0
)].prot
;
1078 if ((cli
->protocol
< PROTOCOL_NT1
) && cli
->sign_info
.mandatory_signing
) {
1079 DEBUG(0,("cli_negprot: SMB signing is mandatory and the selected protocol level doesn't support it.\n"));
1083 if (cli
->protocol
>= PROTOCOL_NT1
) {
1085 cli
->sec_mode
= CVAL(cli
->inbuf
,smb_vwv1
);
1086 cli
->max_mux
= SVAL(cli
->inbuf
, smb_vwv1
+1);
1087 cli
->max_xmit
= IVAL(cli
->inbuf
,smb_vwv3
+1);
1088 cli
->sesskey
= IVAL(cli
->inbuf
,smb_vwv7
+1);
1089 cli
->serverzone
= SVALS(cli
->inbuf
,smb_vwv15
+1);
1090 cli
->serverzone
*= 60;
1091 /* this time arrives in real GMT */
1092 cli
->servertime
= interpret_long_date(cli
->inbuf
+smb_vwv11
+1);
1093 cli
->secblob
= data_blob(smb_buf(cli
->inbuf
),smb_buflen(cli
->inbuf
));
1094 cli
->capabilities
= IVAL(cli
->inbuf
,smb_vwv9
+1);
1095 if (cli
->capabilities
& CAP_RAW_MODE
) {
1096 cli
->readbraw_supported
= True
;
1097 cli
->writebraw_supported
= True
;
1099 /* work out if they sent us a workgroup */
1100 if (!(cli
->capabilities
& CAP_EXTENDED_SECURITY
) &&
1101 smb_buflen(cli
->inbuf
) > 8) {
1102 clistr_pull(cli
, cli
->server_domain
,
1103 smb_buf(cli
->inbuf
)+8, sizeof(cli
->server_domain
),
1104 smb_buflen(cli
->inbuf
)-8, STR_UNICODE
|STR_NOALIGN
);
1108 * As signing is slow we only turn it on if either the client or
1109 * the server require it. JRA.
1112 if (cli
->sec_mode
& NEGOTIATE_SECURITY_SIGNATURES_REQUIRED
) {
1113 /* Fail if server says signing is mandatory and we don't want to support it. */
1114 if (!cli
->sign_info
.allow_smb_signing
) {
1115 DEBUG(0,("cli_negprot: SMB signing is mandatory and we have disabled it.\n"));
1118 cli
->sign_info
.negotiated_smb_signing
= True
;
1119 cli
->sign_info
.mandatory_signing
= True
;
1120 } else if (cli
->sign_info
.mandatory_signing
&& cli
->sign_info
.allow_smb_signing
) {
1121 /* Fail if client says signing is mandatory and the server doesn't support it. */
1122 if (!(cli
->sec_mode
& NEGOTIATE_SECURITY_SIGNATURES_ENABLED
)) {
1123 DEBUG(1,("cli_negprot: SMB signing is mandatory and the server doesn't support it.\n"));
1126 cli
->sign_info
.negotiated_smb_signing
= True
;
1127 cli
->sign_info
.mandatory_signing
= True
;
1128 } else if (cli
->sec_mode
& NEGOTIATE_SECURITY_SIGNATURES_ENABLED
) {
1129 cli
->sign_info
.negotiated_smb_signing
= True
;
1132 if (cli
->capabilities
& (CAP_LARGE_READX
|CAP_LARGE_WRITEX
)) {
1133 SAFE_FREE(cli
->outbuf
);
1134 SAFE_FREE(cli
->inbuf
);
1135 cli
->outbuf
= (char *)SMB_MALLOC(CLI_MAX_LARGE_READX_SIZE
+SAFETY_MARGIN
);
1136 cli
->inbuf
= (char *)SMB_MALLOC(CLI_MAX_LARGE_READX_SIZE
+SAFETY_MARGIN
);
1137 cli
->bufsize
= CLI_MAX_LARGE_READX_SIZE
;
1140 } else if (cli
->protocol
>= PROTOCOL_LANMAN1
) {
1141 cli
->use_spnego
= False
;
1142 cli
->sec_mode
= SVAL(cli
->inbuf
,smb_vwv1
);
1143 cli
->max_xmit
= SVAL(cli
->inbuf
,smb_vwv2
);
1144 cli
->max_mux
= SVAL(cli
->inbuf
, smb_vwv3
);
1145 cli
->sesskey
= IVAL(cli
->inbuf
,smb_vwv6
);
1146 cli
->serverzone
= SVALS(cli
->inbuf
,smb_vwv10
);
1147 cli
->serverzone
*= 60;
1148 /* this time is converted to GMT by make_unix_date */
1149 cli
->servertime
= make_unix_date(cli
->inbuf
+smb_vwv8
);
1150 cli
->readbraw_supported
= ((SVAL(cli
->inbuf
,smb_vwv5
) & 0x1) != 0);
1151 cli
->writebraw_supported
= ((SVAL(cli
->inbuf
,smb_vwv5
) & 0x2) != 0);
1152 cli
->secblob
= data_blob(smb_buf(cli
->inbuf
),smb_buflen(cli
->inbuf
));
1154 /* the old core protocol */
1155 cli
->use_spnego
= False
;
1157 cli
->serverzone
= TimeDiff(time(NULL
));
1160 cli
->max_xmit
= MIN(cli
->max_xmit
, CLI_BUFFER_SIZE
);
1162 /* a way to force ascii SMB */
1163 if (getenv("CLI_FORCE_ASCII"))
1164 cli
->capabilities
&= ~CAP_UNICODE
;
1169 /****************************************************************************
1170 Send a session request. See rfc1002.txt 4.3 and 4.3.2.
1171 ****************************************************************************/
1173 BOOL
cli_session_request(struct cli_state
*cli
,
1174 struct nmb_name
*calling
, struct nmb_name
*called
)
1178 extern pstring user_socket_options
;
1180 memcpy(&(cli
->calling
), calling
, sizeof(*calling
));
1181 memcpy(&(cli
->called
), called
, sizeof(*called
));
1183 /* put in the destination name */
1184 p
= cli
->outbuf
+len
;
1185 name_mangle(cli
->called
.name
, p
, cli
->called
.name_type
);
1189 p
= cli
->outbuf
+len
;
1190 name_mangle(cli
->calling
.name
, p
, cli
->calling
.name_type
);
1193 /* 445 doesn't have session request */
1194 if (cli
->port
== 445)
1197 /* send a session request (RFC 1002) */
1198 /* setup the packet length
1199 * Remove four bytes from the length count, since the length
1200 * field in the NBT Session Service header counts the number
1201 * of bytes which follow. The cli_send_smb() function knows
1202 * about this and accounts for those four bytes.
1206 _smb_setlen(cli
->outbuf
,len
);
1207 SCVAL(cli
->outbuf
,0,0x81);
1210 DEBUG(5,("Sent session request\n"));
1212 if (!cli_receive_smb(cli
))
1215 if (CVAL(cli
->inbuf
,0) == 0x84) {
1216 /* C. Hoch 9/14/95 Start */
1217 /* For information, here is the response structure.
1218 * We do the byte-twiddling to for portability.
1219 struct RetargetResponse{
1221 unsigned char flags;
1227 int port
= (CVAL(cli
->inbuf
,8)<<8)+CVAL(cli
->inbuf
,9);
1228 /* SESSION RETARGET */
1229 putip((char *)&cli
->dest_ip
,cli
->inbuf
+4);
1231 cli
->fd
= open_socket_out(SOCK_STREAM
, &cli
->dest_ip
, port
, LONG_CONNECT_TIMEOUT
);
1235 DEBUG(3,("Retargeted\n"));
1237 set_socket_options(cli
->fd
,user_socket_options
);
1244 DEBUG(0,("Retarget recursion - failing\n"));
1248 ret
= cli_session_request(cli
, calling
, called
);
1252 } /* C. Hoch 9/14/95 End */
1254 if (CVAL(cli
->inbuf
,0) != 0x82) {
1255 /* This is the wrong place to put the error... JRA. */
1256 cli
->rap_error
= CVAL(cli
->inbuf
,4);
1262 /****************************************************************************
1263 Open the client sockets.
1264 ****************************************************************************/
1266 BOOL
cli_connect(struct cli_state
*cli
, const char *host
, struct in_addr
*ip
)
1268 extern pstring user_socket_options
;
1269 int name_type
= 0x20;
1272 /* reasonable default hostname */
1273 if (!host
) host
= "*SMBSERVER";
1275 fstrcpy(cli
->desthost
, host
);
1277 /* allow hostnames of the form NAME#xx and do a netbios lookup */
1278 if ((p
= strchr(cli
->desthost
, '#'))) {
1279 name_type
= strtol(p
+1, NULL
, 16);
1283 if (!ip
|| is_zero_ip(*ip
)) {
1284 if (!resolve_name(cli
->desthost
, &cli
->dest_ip
, name_type
)) {
1287 if (ip
) *ip
= cli
->dest_ip
;
1292 if (getenv("LIBSMB_PROG")) {
1293 cli
->fd
= sock_exec(getenv("LIBSMB_PROG"));
1295 /* try 445 first, then 139 */
1296 int port
= cli
->port
?cli
->port
:445;
1297 cli
->fd
= open_socket_out(SOCK_STREAM
, &cli
->dest_ip
,
1298 port
, cli
->timeout
);
1299 if (cli
->fd
== -1 && cli
->port
== 0) {
1301 cli
->fd
= open_socket_out(SOCK_STREAM
, &cli
->dest_ip
,
1302 port
, cli
->timeout
);
1307 if (cli
->fd
== -1) {
1308 DEBUG(1,("Error connecting to %s (%s)\n",
1309 ip
?inet_ntoa(*ip
):host
,strerror(errno
)));
1313 set_socket_options(cli
->fd
,user_socket_options
);
1318 /****************************************************************************
1319 Initialise client credentials for authenticated pipe access.
1320 ****************************************************************************/
1322 void init_creds(struct ntuser_creds
*creds
, const char* username
,
1323 const char* domain
, const char* password
)
1325 ZERO_STRUCTP(creds
);
1327 pwd_set_cleartext(&creds
->pwd
, password
);
1329 fstrcpy(creds
->user_name
, username
);
1330 fstrcpy(creds
->domain
, domain
);
1333 creds
->pwd
.null_pwd
= True
;
1338 establishes a connection to after the negprot.
1339 @param output_cli A fully initialised cli structure, non-null only on success
1340 @param dest_host The netbios name of the remote host
1341 @param dest_ip (optional) The the destination IP, NULL for name based lookup
1342 @param port (optional) The destination port (0 for default)
1343 @param retry BOOL. Did this connection fail with a retryable error ?
1346 NTSTATUS
cli_start_connection(struct cli_state
**output_cli
,
1347 const char *my_name
,
1348 const char *dest_host
,
1349 struct in_addr
*dest_ip
, int port
,
1350 int signing_state
, int flags
,
1354 struct nmb_name calling
;
1355 struct nmb_name called
;
1356 struct cli_state
*cli
;
1363 my_name
= global_myname();
1365 if (!(cli
= cli_initialise(NULL
)))
1366 return NT_STATUS_NO_MEMORY
;
1368 make_nmb_name(&calling
, my_name
, 0x0);
1369 make_nmb_name(&called
, dest_host
, 0x20);
1371 if (cli_set_port(cli
, port
) != port
) {
1373 return NT_STATUS_UNSUCCESSFUL
;
1376 cli_set_timeout(cli
, 10000); /* 10 seconds. */
1385 DEBUG(3,("Connecting to host=%s\n", dest_host
));
1387 if (!cli_connect(cli
, dest_host
, &ip
)) {
1388 DEBUG(1,("cli_full_connection: failed to connect to %s (%s)\n",
1389 nmb_namestr(&called
), inet_ntoa(ip
)));
1391 return NT_STATUS_UNSUCCESSFUL
;
1397 if (!cli_session_request(cli
, &calling
, &called
)) {
1399 DEBUG(1,("session request to %s failed (%s)\n",
1400 called
.name
, cli_errstr(cli
)));
1401 if ((p
=strchr(called
.name
, '.')) && !is_ipaddress(called
.name
)) {
1405 if (strcmp(called
.name
, "*SMBSERVER")) {
1406 make_nmb_name(&called
, "*SMBSERVER", 0x20);
1409 return NT_STATUS_UNSUCCESSFUL
;
1412 cli_setup_signing_state(cli
, signing_state
);
1414 if (flags
& CLI_FULL_CONNECTION_DONT_SPNEGO
)
1415 cli
->use_spnego
= False
;
1416 else if (flags
& CLI_FULL_CONNECTION_USE_KERBEROS
)
1417 cli
->use_kerberos
= True
;
1419 if (!cli_negprot(cli
)) {
1420 DEBUG(1,("failed negprot\n"));
1421 nt_status
= NT_STATUS_UNSUCCESSFUL
;
1427 return NT_STATUS_OK
;
1432 establishes a connection right up to doing tconX, password specified.
1433 @param output_cli A fully initialised cli structure, non-null only on success
1434 @param dest_host The netbios name of the remote host
1435 @param dest_ip (optional) The the destination IP, NULL for name based lookup
1436 @param port (optional) The destination port (0 for default)
1437 @param service (optional) The share to make the connection to. Should be 'unqualified' in any way.
1438 @param service_type The 'type' of serivice.
1439 @param user Username, unix string
1440 @param domain User's domain
1441 @param password User's password, unencrypted unix string.
1442 @param retry BOOL. Did this connection fail with a retryable error ?
1445 NTSTATUS
cli_full_connection(struct cli_state
**output_cli
,
1446 const char *my_name
,
1447 const char *dest_host
,
1448 struct in_addr
*dest_ip
, int port
,
1449 const char *service
, const char *service_type
,
1450 const char *user
, const char *domain
,
1451 const char *password
, int flags
,
1455 struct ntuser_creds creds
;
1457 struct cli_state
*cli
= NULL
;
1459 nt_status
= cli_start_connection(&cli
, my_name
, dest_host
,
1460 dest_ip
, port
, signing_state
, flags
, retry
);
1462 if (!NT_STATUS_IS_OK(nt_status
)) {
1466 if (!cli_session_setup(cli
, user
, password
, strlen(password
)+1,
1467 password
, strlen(password
)+1,
1469 if ((flags
& CLI_FULL_CONNECTION_ANNONYMOUS_FALLBACK
)
1470 && cli_session_setup(cli
, "", "", 0, "", 0, domain
)) {
1472 nt_status
= cli_nt_error(cli
);
1473 DEBUG(1,("failed session setup with %s\n", nt_errstr(nt_status
)));
1475 if (NT_STATUS_IS_OK(nt_status
))
1476 nt_status
= NT_STATUS_UNSUCCESSFUL
;
1482 if (!cli_send_tconX(cli
, service
, service_type
,
1483 password
, strlen(password
)+1)) {
1484 nt_status
= cli_nt_error(cli
);
1485 DEBUG(1,("failed tcon_X with %s\n", nt_errstr(nt_status
)));
1487 if (NT_STATUS_IS_OK(nt_status
)) {
1488 nt_status
= NT_STATUS_UNSUCCESSFUL
;
1494 init_creds(&creds
, user
, domain
, password
);
1495 cli_init_creds(cli
, &creds
);
1498 return NT_STATUS_OK
;
1501 /****************************************************************************
1502 Attempt a NetBIOS session request, falling back to *SMBSERVER if needed.
1503 ****************************************************************************/
1505 BOOL
attempt_netbios_session_request(struct cli_state
*cli
, const char *srchost
, const char *desthost
,
1506 struct in_addr
*pdest_ip
)
1508 struct nmb_name calling
, called
;
1510 make_nmb_name(&calling
, srchost
, 0x0);
1513 * If the called name is an IP address
1514 * then use *SMBSERVER immediately.
1517 if(is_ipaddress(desthost
))
1518 make_nmb_name(&called
, "*SMBSERVER", 0x20);
1520 make_nmb_name(&called
, desthost
, 0x20);
1522 if (!cli_session_request(cli
, &calling
, &called
)) {
1523 struct nmb_name smbservername
;
1525 make_nmb_name(&smbservername
, "*SMBSERVER", 0x20);
1528 * If the name wasn't *SMBSERVER then
1529 * try with *SMBSERVER if the first name fails.
1532 if (nmb_name_equal(&called
, &smbservername
)) {
1535 * The name used was *SMBSERVER, don't bother with another name.
1538 DEBUG(0,("attempt_netbios_session_request: %s rejected the session for name *SMBSERVER \
1539 with error %s.\n", desthost
, cli_errstr(cli
) ));
1544 * We need to close the connection here but can't call cli_shutdown as
1545 * will free an allocated cli struct. cli_close_connection was invented
1546 * for this purpose. JRA. Based on work by "Kim R. Pedersen" <krp@filanet.dk>.
1549 cli_close_connection(cli
);
1551 if (!cli_initialise(cli
) ||
1552 !cli_connect(cli
, desthost
, pdest_ip
) ||
1553 !cli_session_request(cli
, &calling
, &smbservername
)) {
1554 DEBUG(0,("attempt_netbios_session_request: %s rejected the session for \
1555 name *SMBSERVER with error %s\n", desthost
, cli_errstr(cli
) ));
1567 /****************************************************************************
1568 Send an old style tcon.
1569 ****************************************************************************/
1570 NTSTATUS
cli_raw_tcon(struct cli_state
*cli
,
1571 const char *service
, const char *pass
, const char *dev
,
1572 uint16
*max_xmit
, uint16
*tid
)
1576 if (!lp_client_plaintext_auth() && (*pass
)) {
1577 DEBUG(1, ("Server requested plaintext password but 'client use plaintext auth'"
1579 return NT_STATUS_ACCESS_DENIED
;
1582 memset(cli
->outbuf
,'\0',smb_size
);
1583 memset(cli
->inbuf
,'\0',smb_size
);
1585 set_message(cli
->outbuf
, 0, 0, True
);
1586 SCVAL(cli
->outbuf
,smb_com
,SMBtcon
);
1587 cli_setup_packet(cli
);
1589 p
= smb_buf(cli
->outbuf
);
1590 *p
++ = 4; p
+= clistr_push(cli
, p
, service
, -1, STR_TERMINATE
| STR_NOALIGN
);
1591 *p
++ = 4; p
+= clistr_push(cli
, p
, pass
, -1, STR_TERMINATE
| STR_NOALIGN
);
1592 *p
++ = 4; p
+= clistr_push(cli
, p
, dev
, -1, STR_TERMINATE
| STR_NOALIGN
);
1594 cli_setup_bcc(cli
, p
);
1597 if (!cli_receive_smb(cli
)) {
1598 return NT_STATUS_UNEXPECTED_NETWORK_ERROR
;
1601 if (cli_is_error(cli
)) {
1602 return cli_nt_error(cli
);
1605 *max_xmit
= SVAL(cli
->inbuf
, smb_vwv0
);
1606 *tid
= SVAL(cli
->inbuf
, smb_vwv1
);
1608 return NT_STATUS_OK
;
1611 /* Return a cli_state pointing at the IPC$ share for the given server */
1613 struct cli_state
*get_ipc_connect(char *server
, struct in_addr
*server_ip
,
1614 struct user_auth_info
*user_info
)
1616 struct cli_state
*cli
;
1622 nt_status
= cli_full_connection(&cli
, myname
, server
, server_ip
, 0, "IPC$", "IPC",
1623 user_info
->username
, lp_workgroup(), user_info
->password
,
1624 CLI_FULL_CONNECTION_ANNONYMOUS_FALLBACK
, Undefined
, NULL
);
1626 if (NT_STATUS_IS_OK(nt_status
)) {
1628 } else if (is_ipaddress(server
)) {
1629 /* windows 9* needs a correct NMB name for connections */
1630 fstring remote_name
;
1632 if (name_status_find("*", 0, 0, *server_ip
, remote_name
)) {
1633 cli
= get_ipc_connect(remote_name
, server_ip
, user_info
);
1642 * Given the IP address of a master browser on the network, return its
1643 * workgroup and connect to it.
1645 * This function is provided to allow additional processing beyond what
1646 * get_ipc_connect_master_ip_bcast() does, e.g. to retrieve the list of master
1647 * browsers and obtain each master browsers' list of domains (in case the
1648 * first master browser is recently on the network and has not yet
1649 * synchronized with other master browsers and therefore does not yet have the
1650 * entire network browse list)
1653 struct cli_state
*get_ipc_connect_master_ip(struct ip_service
* mb_ip
, pstring workgroup
, struct user_auth_info
*user_info
)
1655 static fstring name
;
1656 struct cli_state
*cli
;
1657 struct in_addr server_ip
;
1659 DEBUG(99, ("Looking up name of master browser %s\n",
1660 inet_ntoa(mb_ip
->ip
)));
1663 * Do a name status query to find out the name of the master browser.
1664 * We use <01><02>__MSBROWSE__<02>#01 if *#00 fails because a domain
1665 * master browser will not respond to a wildcard query (or, at least,
1666 * an NT4 server acting as the domain master browser will not).
1668 * We might be able to use ONLY the query on MSBROWSE, but that's not
1669 * yet been tested with all Windows versions, so until it is, leave
1670 * the original wildcard query as the first choice and fall back to
1671 * MSBROWSE if the wildcard query fails.
1673 if (!name_status_find("*", 0, 0x1d, mb_ip
->ip
, name
) &&
1674 !name_status_find(MSBROWSE
, 1, 0x1d, mb_ip
->ip
, name
)) {
1676 DEBUG(99, ("Could not retrieve name status for %s\n",
1677 inet_ntoa(mb_ip
->ip
)));
1681 if (!find_master_ip(name
, &server_ip
)) {
1682 DEBUG(99, ("Could not find master ip for %s\n", name
));
1686 pstrcpy(workgroup
, name
);
1688 DEBUG(4, ("found master browser %s, %s\n",
1689 name
, inet_ntoa(mb_ip
->ip
)));
1691 cli
= get_ipc_connect(inet_ntoa(server_ip
), &server_ip
, user_info
);
1698 * Return the IP address and workgroup of a master browser on the network, and
1702 struct cli_state
*get_ipc_connect_master_ip_bcast(pstring workgroup
, struct user_auth_info
*user_info
)
1704 struct ip_service
*ip_list
;
1705 struct cli_state
*cli
;
1708 DEBUG(99, ("Do broadcast lookup for workgroups on local network\n"));
1710 /* Go looking for workgroups by broadcasting on the local network */
1712 if (!name_resolve_bcast(MSBROWSE
, 1, &ip_list
, &count
)) {
1713 DEBUG(99, ("No master browsers responded\n"));
1717 for (i
= 0; i
< count
; i
++) {
1718 DEBUG(99, ("Found master browser %s\n", inet_ntoa(ip_list
[i
].ip
)));
1720 cli
= get_ipc_connect_master_ip(&ip_list
[i
], workgroup
, user_info
);