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sync'ing up for 3.0alpha20 release
[Samba/gbeck.git] / source3 / libsmb / cliconnect.c
blob62acccdfb772001e03d3b328eef4c6acc1011dbe
1 /*
2 Unix SMB/CIFS implementation.
3 client connect/disconnect routines
4 Copyright (C) Andrew Tridgell 1994-1998
5 Copyright (C) Andrew Barteltt 2001-2002
6
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.
11
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.
16
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.
20 */
21
22 #define NO_SYSLOG
23
24 #include "includes.h"
25
26
27 static const struct {
28 int prot;
29 const char *name;
30 } prots[] = {
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"},
40 {-1,NULL}
41 };
42
43 /****************************************************************************
44 Do an old lanman2 style session setup.
45 ****************************************************************************/
46
47 static BOOL cli_session_setup_lanman2(struct cli_state *cli, char *user,
48 char *pass, int passlen, const char *workgroup)
49 {
50 fstring pword;
51 char *p;
52
53 if (passlen > sizeof(pword)-1)
54 return False;
55
56 /* if in share level security then don't send a password now */
57 if (!(cli->sec_mode & NEGOTIATE_SECURITY_USER_LEVEL))
58 passlen = 0;
59
60 if (passlen > 0 && (cli->sec_mode & NEGOTIATE_SECURITY_CHALLENGE_RESPONSE) && passlen != 24) {
61 /* Encrypted mode needed, and non encrypted password supplied. */
62 passlen = 24;
63 SMBencrypt(pass,cli->secblob.data,(uchar *)pword);
64 } else if ((cli->sec_mode & NEGOTIATE_SECURITY_CHALLENGE_RESPONSE) && passlen == 24) {
65 /* Encrypted mode needed, and encrypted password supplied. */
66 memcpy(pword, pass, passlen);
67 } else if (passlen > 0) {
68 /* Plaintext mode needed, assume plaintext supplied. */
69 passlen = clistr_push(cli, pword, pass, -1, STR_TERMINATE);
70 }
71
72 /* send a session setup command */
73 memset(cli->outbuf,'\0',smb_size);
74 set_message(cli->outbuf,10, 0, True);
75 SCVAL(cli->outbuf,smb_com,SMBsesssetupX);
76 cli_setup_packet(cli);
77
78 SCVAL(cli->outbuf,smb_vwv0,0xFF);
79 SSVAL(cli->outbuf,smb_vwv2,cli->max_xmit);
80 SSVAL(cli->outbuf,smb_vwv3,2);
81 SSVAL(cli->outbuf,smb_vwv4,1);
82 SIVAL(cli->outbuf,smb_vwv5,cli->sesskey);
83 SSVAL(cli->outbuf,smb_vwv7,passlen);
84
85 p = smb_buf(cli->outbuf);
86 memcpy(p,pword,passlen);
87 p += passlen;
88 p += clistr_push(cli, p, user, -1, STR_TERMINATE|STR_UPPER);
89 p += clistr_push(cli, p, workgroup, -1, STR_TERMINATE|STR_UPPER);
90 p += clistr_push(cli, p, "Unix", -1, STR_TERMINATE);
91 p += clistr_push(cli, p, "Samba", -1, STR_TERMINATE);
92 cli_setup_bcc(cli, p);
93
94 cli_send_smb(cli);
95 if (!cli_receive_smb(cli))
96 return False;
97
98 show_msg(cli->inbuf);
99
100 if (cli_is_error(cli))
101 return False;
102
103 /* use the returned vuid from now on */
104 cli->vuid = SVAL(cli->inbuf,smb_uid);
105 fstrcpy(cli->user_name, user);
106
107 return True;
108 }
109
110 /****************************************************************************
111 Work out suitable capabilities to offer the server.
112 ****************************************************************************/
113
114 static uint32 cli_session_setup_capabilities(struct cli_state *cli)
115 {
116 uint32 capabilities = CAP_NT_SMBS;
117
118 if (!cli->force_dos_errors)
119 capabilities |= CAP_STATUS32;
120
121 if (cli->use_level_II_oplocks)
122 capabilities |= CAP_LEVEL_II_OPLOCKS;
123
124 if (cli->capabilities & CAP_UNICODE)
125 capabilities |= CAP_UNICODE;
126
127 return capabilities;
128 }
129
130 /****************************************************************************
131 Do a NT1 guest session setup.
132 ****************************************************************************/
133
134 static BOOL cli_session_setup_guest(struct cli_state *cli)
135 {
136 char *p;
137 uint32 capabilities = cli_session_setup_capabilities(cli);
138
139 set_message(cli->outbuf,13,0,True);
140 SCVAL(cli->outbuf,smb_com,SMBsesssetupX);
141 cli_setup_packet(cli);
142
143 SCVAL(cli->outbuf,smb_vwv0,0xFF);
144 SSVAL(cli->outbuf,smb_vwv2,CLI_BUFFER_SIZE);
145 SSVAL(cli->outbuf,smb_vwv3,2);
146 SSVAL(cli->outbuf,smb_vwv4,cli->pid);
147 SIVAL(cli->outbuf,smb_vwv5,cli->sesskey);
148 SSVAL(cli->outbuf,smb_vwv7,0);
149 SSVAL(cli->outbuf,smb_vwv8,0);
150 SIVAL(cli->outbuf,smb_vwv11,capabilities);
151 p = smb_buf(cli->outbuf);
152 p += clistr_push(cli, p, "", -1, STR_TERMINATE); /* username */
153 p += clistr_push(cli, p, "", -1, STR_TERMINATE); /* workgroup */
154 p += clistr_push(cli, p, "Unix", -1, STR_TERMINATE);
155 p += clistr_push(cli, p, "Samba", -1, STR_TERMINATE);
156 cli_setup_bcc(cli, p);
157
158 cli_send_smb(cli);
159 if (!cli_receive_smb(cli))
160 return False;
161
162 show_msg(cli->inbuf);
163
164 if (cli_is_error(cli))
165 return False;
166
167 cli->vuid = SVAL(cli->inbuf,smb_uid);
168
169 p = smb_buf(cli->inbuf);
170 p += clistr_pull(cli, cli->server_os, p, sizeof(fstring), -1, STR_TERMINATE);
171 p += clistr_pull(cli, cli->server_type, p, sizeof(fstring), -1, STR_TERMINATE);
172 p += clistr_pull(cli, cli->server_domain, p, sizeof(fstring), -1, STR_TERMINATE);
173
174 fstrcpy(cli->user_name, "");
175
176 return True;
177 }
178
179 /****************************************************************************
180 Do a NT1 plaintext session setup.
181 ****************************************************************************/
182
183 static BOOL cli_session_setup_plaintext(struct cli_state *cli, char *user,
184 char *pass, char *workgroup)
185 {
186 uint32 capabilities = cli_session_setup_capabilities(cli);
187 fstring pword;
188 int passlen;
189 char *p;
190
191 passlen = clistr_push(cli, pword, pass, sizeof(pword), STR_TERMINATE|STR_ASCII);
192
193 set_message(cli->outbuf,13,0,True);
194 SCVAL(cli->outbuf,smb_com,SMBsesssetupX);
195 cli_setup_packet(cli);
196
197 SCVAL(cli->outbuf,smb_vwv0,0xFF);
198 SSVAL(cli->outbuf,smb_vwv2,CLI_BUFFER_SIZE);
199 SSVAL(cli->outbuf,smb_vwv3,2);
200 SSVAL(cli->outbuf,smb_vwv4,cli->pid);
201 SIVAL(cli->outbuf,smb_vwv5,cli->sesskey);
202 SSVAL(cli->outbuf,smb_vwv8,0);
203 SIVAL(cli->outbuf,smb_vwv11,capabilities);
204 p = smb_buf(cli->outbuf);
205 p += clistr_push(cli, p, pword, -1, STR_TERMINATE); /* password */
206 SSVAL(cli->outbuf,smb_vwv7,PTR_DIFF(p, smb_buf(cli->outbuf)));
207 p += clistr_push(cli, p, user, -1, STR_TERMINATE); /* username */
208 p += clistr_push(cli, p, workgroup, -1, STR_TERMINATE); /* workgroup */
209 p += clistr_push(cli, p, "Unix", -1, STR_TERMINATE);
210 p += clistr_push(cli, p, "Samba", -1, STR_TERMINATE);
211 cli_setup_bcc(cli, p);
212
213 cli_send_smb(cli);
214 if (!cli_receive_smb(cli))
215 return False;
216
217 show_msg(cli->inbuf);
218
219 if (cli_is_error(cli))
220 return False;
221
222 cli->vuid = SVAL(cli->inbuf,smb_uid);
223 p = smb_buf(cli->inbuf);
224 p += clistr_pull(cli, cli->server_os, p, sizeof(fstring), -1, STR_TERMINATE);
225 p += clistr_pull(cli, cli->server_type, p, sizeof(fstring), -1, STR_TERMINATE);
226 p += clistr_pull(cli, cli->server_domain, p, sizeof(fstring), -1, STR_TERMINATE);
227 fstrcpy(cli->user_name, user);
228
229 return True;
230 }
231
232 static void set_signing_on_cli (struct cli_state *cli, char* pass, uint8 response[24])
233 {
234 uint8 zero_sig[8];
235 ZERO_STRUCT(zero_sig);
236
237 DEBUG(5, ("Server returned security sig:\n"));
238 dump_data(5, &cli->inbuf[smb_ss_field], 8);
239
240 if (cli->sign_info.use_smb_signing) {
241 DEBUG(5, ("smb signing already active on connection\n"));
242 } else if (memcmp(&cli->inbuf[smb_ss_field], zero_sig, 8) != 0) {
243
244 DEBUG(3, ("smb signing enabled!\n"));
245 cli->sign_info.use_smb_signing = True;
246 cli_calculate_mac_key(cli, pass, response);
247 } else {
248 DEBUG(5, ("smb signing NOT enabled!\n"));
249 }
250 }
251
252 static void set_temp_signing_on_cli(struct cli_state *cli)
253 {
254 if (cli->sign_info.negotiated_smb_signing)
255 cli->sign_info.temp_smb_signing = True;
256 }
257
258
259 /****************************************************************************
260 do a NT1 NTLM/LM encrypted session setup
261 @param cli client state to create do session setup on
262 @param user username
263 @param pass *either* cleartext password (passlen !=24) or LM response.
264 @param ntpass NT response, implies ntpasslen >=24, implies pass is not clear
265 @param workgroup The user's domain.
266 ****************************************************************************/
267
268 static BOOL cli_session_setup_nt1(struct cli_state *cli, char *user,
269 char *pass, int passlen,
270 char *ntpass, int ntpasslen,
271 char *workgroup)
272 {
273 uint32 capabilities = cli_session_setup_capabilities(cli);
274 uchar pword[24];
275 uchar ntpword[24];
276 char *p;
277 BOOL have_plaintext = False;
278
279 if (passlen > sizeof(pword) || ntpasslen > sizeof(ntpword))
280 return False;
281
282 if (passlen != 24) {
283 /* non encrypted password supplied. Ignore ntpass. */
284 passlen = 24;
285 ntpasslen = 24;
286 SMBencrypt(pass,cli->secblob.data,pword);
287 SMBNTencrypt(pass,cli->secblob.data,ntpword);
288
289 have_plaintext = True;
290 set_temp_signing_on_cli(cli);
291 } else {
292 /* pre-encrypted password supplied. Only used for
293 security=server, can't do
294 signing becouse we don't have oringial key */
295 memcpy(pword, pass, 24);
296 if (ntpasslen == 24)
297 memcpy(ntpword, ntpass, 24);
298 else
299 ZERO_STRUCT(ntpword);
300 }
301
302 /* send a session setup command */
303 memset(cli->outbuf,'\0',smb_size);
304
305 set_message(cli->outbuf,13,0,True);
306 SCVAL(cli->outbuf,smb_com,SMBsesssetupX);
307 cli_setup_packet(cli);
308
309 SCVAL(cli->outbuf,smb_vwv0,0xFF);
310 SSVAL(cli->outbuf,smb_vwv2,CLI_BUFFER_SIZE);
311 SSVAL(cli->outbuf,smb_vwv3,2);
312 SSVAL(cli->outbuf,smb_vwv4,cli->pid);
313 SIVAL(cli->outbuf,smb_vwv5,cli->sesskey);
314 SSVAL(cli->outbuf,smb_vwv7,passlen);
315 SSVAL(cli->outbuf,smb_vwv8,ntpasslen);
316 SIVAL(cli->outbuf,smb_vwv11,capabilities);
317 p = smb_buf(cli->outbuf);
318 memcpy(p,pword,passlen); p += passlen;
319 memcpy(p,ntpword,ntpasslen); p += ntpasslen;
320 p += clistr_push(cli, p, user, -1, STR_TERMINATE);
321 p += clistr_push(cli, p, workgroup, -1, STR_TERMINATE);
322 p += clistr_push(cli, p, "Unix", -1, STR_TERMINATE);
323 p += clistr_push(cli, p, "Samba", -1, STR_TERMINATE);
324 cli_setup_bcc(cli, p);
325
326 if (!cli_send_smb(cli))
327 return False;
328
329 if (!cli_receive_smb(cli))
330 return False;
331
332 show_msg(cli->inbuf);
333
334 if (cli_is_error(cli))
335 return False;
336
337 /* use the returned vuid from now on */
338 cli->vuid = SVAL(cli->inbuf,smb_uid);
339
340 p = smb_buf(cli->inbuf);
341 p += clistr_pull(cli, cli->server_os, p, sizeof(fstring), -1, STR_TERMINATE);
342 p += clistr_pull(cli, cli->server_type, p, sizeof(fstring), -1, STR_TERMINATE);
343 p += clistr_pull(cli, cli->server_domain, p, sizeof(fstring), -1, STR_TERMINATE);
344
345 fstrcpy(cli->user_name, user);
346
347 if (have_plaintext) {
348 /* Have plaintext orginal */
349 set_signing_on_cli(cli, pass, ntpword);
350 }
351
352 return True;
353 }
354
355 /****************************************************************************
356 Send a extended security session setup blob, returning a reply blob.
357 ****************************************************************************/
358
359 static DATA_BLOB cli_session_setup_blob(struct cli_state *cli, DATA_BLOB blob)
360 {
361 uint32 capabilities = cli_session_setup_capabilities(cli);
362 char *p;
363 DATA_BLOB blob2;
364 uint32 len;
365
366 blob2 = data_blob(NULL, 0);
367
368 capabilities |= CAP_EXTENDED_SECURITY;
369
370 /* send a session setup command */
371 memset(cli->outbuf,'\0',smb_size);
372
373 set_message(cli->outbuf,12,0,True);
374 SCVAL(cli->outbuf,smb_com,SMBsesssetupX);
375
376 set_temp_signing_on_cli(cli);
377
378 cli_setup_packet(cli);
379
380 SCVAL(cli->outbuf,smb_vwv0,0xFF);
381 SSVAL(cli->outbuf,smb_vwv2,CLI_BUFFER_SIZE);
382 SSVAL(cli->outbuf,smb_vwv3,2);
383 SSVAL(cli->outbuf,smb_vwv4,1);
384 SIVAL(cli->outbuf,smb_vwv5,0);
385 SSVAL(cli->outbuf,smb_vwv7,blob.length);
386 SIVAL(cli->outbuf,smb_vwv10,capabilities);
387 p = smb_buf(cli->outbuf);
388 memcpy(p, blob.data, blob.length);
389 p += blob.length;
390 p += clistr_push(cli, p, "Unix", -1, STR_TERMINATE);
391 p += clistr_push(cli, p, "Samba", -1, STR_TERMINATE);
392 cli_setup_bcc(cli, p);
393 cli_send_smb(cli);
394
395 if (!cli_receive_smb(cli))
396 return blob2;
397
398 show_msg(cli->inbuf);
399
400 if (cli_is_error(cli) && !NT_STATUS_EQUAL(cli_nt_error(cli),
401 NT_STATUS_MORE_PROCESSING_REQUIRED)) {
402 return blob2;
403 }
404
405 /* use the returned vuid from now on */
406 cli->vuid = SVAL(cli->inbuf,smb_uid);
407
408 p = smb_buf(cli->inbuf);
409
410 blob2 = data_blob(p, SVAL(cli->inbuf, smb_vwv3));
411
412 p += blob2.length;
413 p += clistr_pull(cli, cli->server_os, p, sizeof(fstring), -1, STR_TERMINATE);
414
415 /* w2k with kerberos doesn't properly null terminate this field */
416 len = smb_buflen(cli->inbuf) - PTR_DIFF(p, smb_buf(cli->inbuf));
417 p += clistr_pull(cli, cli->server_type, p, sizeof(fstring), len, 0);
418
419 return blob2;
420 }
421
422 #ifdef HAVE_KRB5
423 /****************************************************************************
424 Do a spnego/kerberos encrypted session setup.
425 ****************************************************************************/
426
427 static BOOL cli_session_setup_kerberos(struct cli_state *cli, char *principal, char *workgroup)
428 {
429 DATA_BLOB blob2, negTokenTarg;
430
431 DEBUG(2,("Doing kerberos session setup\n"));
432
433 /* generate the encapsulated kerberos5 ticket */
434 negTokenTarg = spnego_gen_negTokenTarg(principal, 0);
435
436 if (!negTokenTarg.data) return False;
437
438 #if 0
439 file_save("negTokenTarg.dat", negTokenTarg.data, negTokenTarg.length);
440 #endif
441
442 blob2 = cli_session_setup_blob(cli, negTokenTarg);
443
444 /* we don't need this blob for kerberos */
445 data_blob_free(&blob2);
446
447 data_blob_free(&negTokenTarg);
448
449 return !cli_is_error(cli);
450 }
451 #endif
452
453 /****************************************************************************
454 Do a spnego/NTLMSSP encrypted session setup.
455 ****************************************************************************/
456
457 static BOOL cli_session_setup_ntlmssp(struct cli_state *cli, char *user,
458 char *pass, char *workgroup)
459 {
460 DATA_BLOB msg1, struct_blob;
461 DATA_BLOB blob, chal1, chal2, auth, challenge_blob;
462 uint8 challenge[8];
463 uint8 nthash[24], lmhash[24], sess_key[16];
464 uint32 neg_flags, chal_flags, ntlmssp_command, unkn1, unkn2;
465 pstring server_domain; /* FIX THIS, SHOULD be UCS2-LE */
466
467 neg_flags = NTLMSSP_NEGOTIATE_UNICODE |
468 NTLMSSP_NEGOTIATE_128 |
469 NTLMSSP_NEGOTIATE_NTLM;
470
471 memset(sess_key, 0, 16);
472
473 DEBUG(10, ("sending NTLMSSP_NEGOTIATE\n"));
474
475 /* generate the ntlmssp negotiate packet */
476 msrpc_gen(&blob, "CddAA",
477 "NTLMSSP",
478 NTLMSSP_NEGOTIATE,
479 neg_flags,
480 workgroup, strlen(workgroup),
481 cli->calling.name, strlen(cli->calling.name) + 1);
482 DEBUG(10, ("neg_flags: %0X, workgroup: %s, calling name %s\n",
483 neg_flags, workgroup, cli->calling.name));
484 /* and wrap it in a SPNEGO wrapper */
485 msg1 = gen_negTokenInit(OID_NTLMSSP, blob);
486 data_blob_free(&blob);
487
488 /* now send that blob on its way */
489 blob = cli_session_setup_blob(cli, msg1);
490
491 data_blob_free(&msg1);
492
493 if (!NT_STATUS_EQUAL(cli_nt_error(cli), NT_STATUS_MORE_PROCESSING_REQUIRED))
494 return False;
495
496 #if 0
497 file_save("chal.dat", blob.data, blob.length);
498 #endif
499
500 /* the server gives us back two challenges */
501 if (!spnego_parse_challenge(blob, &chal1, &chal2)) {
502 DEBUG(3,("Failed to parse challenges\n"));
503 return False;
504 }
505
506 data_blob_free(&blob);
507
508 /*
509 * Ok, chal1 and chal2 are actually two identical copies of
510 * the NTLMSSP Challenge BLOB, and they contain, encoded in them
511 * the challenge to use.
512 */
513
514 if (!msrpc_parse(&chal1, "CdUdbddB",
515 "NTLMSSP",
516 &ntlmssp_command,
517 &server_domain,
518 &chal_flags,
519 &challenge_blob, 8,
520 &unkn1, &unkn2,
521 &struct_blob)) {
522 DEBUG(0, ("Failed to parse the NTLMSSP Challenge\n"));
523 return False;
524 }
525
526 if (ntlmssp_command != NTLMSSP_CHALLENGE) {
527 DEBUG(0, ("NTLMSSP Response != NTLMSSP_CHALLENGE. Got %0X\n",
528 ntlmssp_command));
529 return False;
530 }
531
532 DEBUG(10, ("Challenge:\n"));
533 dump_data(10, challenge_blob.data, 8);
534
535 /* encrypt the password with the challenge which is in the blob */
536 memcpy(challenge, challenge_blob.data, 8);
537 SMBencrypt(pass, challenge,lmhash);
538 SMBNTencrypt(pass, challenge,nthash);
539 data_blob_free(&challenge_blob);
540
541 #if 0
542 file_save("nthash.dat", nthash, 24);
543 file_save("lmhash.dat", lmhash, 24);
544 file_save("chal1.dat", chal1.data, chal1.length);
545 #endif
546
547 data_blob_free(&chal1);
548 data_blob_free(&chal2);
549
550 /* this generates the actual auth packet */
551 msrpc_gen(&blob, "CdBBUUUBd",
552 "NTLMSSP",
553 NTLMSSP_AUTH,
554 lmhash, 24,
555 nthash, 24,
556 workgroup,
557 user,
558 cli->calling.name,
559 sess_key, 0,
560 neg_flags);
561
562 /* wrap it in SPNEGO */
563 auth = spnego_gen_auth(blob);
564
565 data_blob_free(&blob);
566
567 /* now send the auth packet and we should be done */
568 blob = cli_session_setup_blob(cli, auth);
569
570 data_blob_free(&auth);
571 data_blob_free(&blob);
572
573 if (cli_is_error(cli))
574 return False;
575
576 set_signing_on_cli(cli, pass, nthash);
577
578 return True;
579 }
580
581 /****************************************************************************
582 Do a spnego encrypted session setup.
583 ****************************************************************************/
584
585 static BOOL cli_session_setup_spnego(struct cli_state *cli, char *user,
586 char *pass, char *workgroup)
587 {
588 char *principal;
589 char *OIDs[ASN1_MAX_OIDS];
590 int i;
591 BOOL got_kerberos_mechanism = False;
592 DATA_BLOB blob;
593
594 DEBUG(2,("Doing spnego session setup (blob length=%d)\n", cli->secblob.length));
595
596 /* the server might not even do spnego */
597 if (cli->secblob.length <= 16) {
598 DEBUG(3,("server didn't supply a full spnego negprot\n"));
599 goto ntlmssp;
600 }
601
602 #if 0
603 file_save("negprot.dat", cli->secblob.data, cli->secblob.length);
604 #endif
605
606 /* there is 16 bytes of GUID before the real spnego packet starts */
607 blob = data_blob(cli->secblob.data+16, cli->secblob.length-16);
608
609 /* the server sent us the first part of the SPNEGO exchange in the negprot
610 reply */
611 if (!spnego_parse_negTokenInit(blob, OIDs, &principal)) {
612 data_blob_free(&blob);
613 return False;
614 }
615 data_blob_free(&blob);
616
617 /* make sure the server understands kerberos */
618 for (i=0;OIDs[i];i++) {
619 DEBUG(3,("got OID=%s\n", OIDs[i]));
620 if (strcmp(OIDs[i], OID_KERBEROS5_OLD) == 0 ||
621 strcmp(OIDs[i], OID_KERBEROS5) == 0) {
622 got_kerberos_mechanism = True;
623 }
624 free(OIDs[i]);
625 }
626 DEBUG(3,("got principal=%s\n", principal));
627
628 fstrcpy(cli->user_name, user);
629
630 #ifdef HAVE_KRB5
631 if (got_kerberos_mechanism && cli->use_kerberos) {
632 return cli_session_setup_kerberos(cli, principal, workgroup);
633 }
634 #endif
635
636 free(principal);
637
638 ntlmssp:
639
640 return cli_session_setup_ntlmssp(cli, user, pass, workgroup);
641 }
642
643 /****************************************************************************
644 Send a session setup. The username and workgroup is in UNIX character
645 format and must be converted to DOS codepage format before sending. If the
646 password is in plaintext, the same should be done.
647 ****************************************************************************/
648
649 BOOL cli_session_setup(struct cli_state *cli,
650 char *user,
651 char *pass, int passlen,
652 char *ntpass, int ntpasslen,
653 char *workgroup)
654 {
655 char *p;
656 fstring user2;
657
658 /* allow for workgroups as part of the username */
659 fstrcpy(user2, user);
660 if ((p=strchr_m(user2,'\\')) || (p=strchr_m(user2,'/')) ||
661 (p=strchr_m(user2,*lp_winbind_separator()))) {
662 *p = 0;
663 user = p+1;
664 workgroup = user2;
665 }
666
667 if (cli->protocol < PROTOCOL_LANMAN1)
668 return True;
669
670 /* now work out what sort of session setup we are going to
671 do. I have split this into separate functions to make the
672 flow a bit easier to understand (tridge) */
673
674 /* if its an older server then we have to use the older request format */
675
676 if (cli->protocol < PROTOCOL_NT1)
677 return cli_session_setup_lanman2(cli, user, pass, passlen, workgroup);
678
679 /* if no user is supplied then we have to do an anonymous connection.
680 passwords are ignored */
681
682 if (!user || !*user)
683 return cli_session_setup_guest(cli);
684
685 /* if the server is share level then send a plaintext null
686 password at this point. The password is sent in the tree
687 connect */
688
689 if ((cli->sec_mode & NEGOTIATE_SECURITY_USER_LEVEL) == 0)
690 return cli_session_setup_plaintext(cli, user, "", workgroup);
691
692 /* if the server doesn't support encryption then we have to use
693 plaintext. The second password is ignored */
694
695 if ((cli->sec_mode & NEGOTIATE_SECURITY_CHALLENGE_RESPONSE) == 0)
696 return cli_session_setup_plaintext(cli, user, pass, workgroup);
697
698 /* Indidicate signing */
699
700 /* if the server supports extended security then use SPNEGO */
701
702 if (cli->capabilities & CAP_EXTENDED_SECURITY)
703 return cli_session_setup_spnego(cli, user, pass, workgroup);
704
705 /* otherwise do a NT1 style session setup */
706
707 return cli_session_setup_nt1(cli, user,
708 pass, passlen, ntpass, ntpasslen,
709 workgroup);
710 }
711
712 /****************************************************************************
713 Send a uloggoff.
714 *****************************************************************************/
715
716 BOOL cli_ulogoff(struct cli_state *cli)
717 {
718 memset(cli->outbuf,'\0',smb_size);
719 set_message(cli->outbuf,2,0,True);
720 SCVAL(cli->outbuf,smb_com,SMBulogoffX);
721 cli_setup_packet(cli);
722 SSVAL(cli->outbuf,smb_vwv0,0xFF);
723 SSVAL(cli->outbuf,smb_vwv2,0); /* no additional info */
724
725 cli_send_smb(cli);
726 if (!cli_receive_smb(cli))
727 return False;
728
729 return !cli_is_error(cli);
730 }
731
732 /****************************************************************************
733 Send a tconX.
734 ****************************************************************************/
735
736 BOOL cli_send_tconX(struct cli_state *cli,
737 const char *share, const char *dev, const char *pass, int passlen)
738 {
739 fstring fullshare, pword;
740 char *p;
741 memset(cli->outbuf,'\0',smb_size);
742 memset(cli->inbuf,'\0',smb_size);
743
744 fstrcpy(cli->share, share);
745
746 /* in user level security don't send a password now */
747 if (cli->sec_mode & NEGOTIATE_SECURITY_USER_LEVEL) {
748 passlen = 1;
749 pass = "";
750 }
751
752 if ((cli->sec_mode & NEGOTIATE_SECURITY_CHALLENGE_RESPONSE) && *pass && passlen != 24) {
753 /*
754 * Non-encrypted passwords - convert to DOS codepage before encryption.
755 */
756 passlen = 24;
757 SMBencrypt(pass,cli->secblob.data,(uchar *)pword);
758 } else {
759 if((cli->sec_mode & (NEGOTIATE_SECURITY_USER_LEVEL|NEGOTIATE_SECURITY_CHALLENGE_RESPONSE)) == 0) {
760 /*
761 * Non-encrypted passwords - convert to DOS codepage before using.
762 */
763 passlen = clistr_push(cli, pword, pass, -1, STR_TERMINATE);
764 } else {
765 memcpy(pword, pass, passlen);
766 }
767 }
768
769 if (cli->port == 445) {
770 slprintf(fullshare, sizeof(fullshare)-1,
771 "%s", share);
772 } else {
773 slprintf(fullshare, sizeof(fullshare)-1,
774 "\\\\%s\\%s", cli->desthost, share);
775 }
776
777 set_message(cli->outbuf,4, 0, True);
778 SCVAL(cli->outbuf,smb_com,SMBtconX);
779 cli_setup_packet(cli);
780
781 SSVAL(cli->outbuf,smb_vwv0,0xFF);
782 SSVAL(cli->outbuf,smb_vwv3,passlen);
783
784 p = smb_buf(cli->outbuf);
785 memcpy(p,pword,passlen);
786 p += passlen;
787 p += clistr_push(cli, p, fullshare, -1, STR_TERMINATE |STR_UPPER);
788 fstrcpy(p, dev); p += strlen(dev)+1;
789
790 cli_setup_bcc(cli, p);
791
792 cli_send_smb(cli);
793 if (!cli_receive_smb(cli))
794 return False;
795
796 if (cli_is_error(cli))
797 return False;
798
799 clistr_pull(cli, cli->dev, smb_buf(cli->inbuf), sizeof(fstring), -1, STR_TERMINATE|STR_ASCII);
800
801 if (strcasecmp(share,"IPC$")==0)
802 fstrcpy(cli->dev, "IPC");
803
804 if (cli->protocol >= PROTOCOL_NT1 &&
805 smb_buflen(cli->inbuf) == 3) {
806 /* almost certainly win95 - enable bug fixes */
807 cli->win95 = True;
808 }
809
810 cli->cnum = SVAL(cli->inbuf,smb_tid);
811 return True;
812 }
813
814 /****************************************************************************
815 Send a tree disconnect.
816 ****************************************************************************/
817
818 BOOL cli_tdis(struct cli_state *cli)
819 {
820 memset(cli->outbuf,'\0',smb_size);
821 set_message(cli->outbuf,0,0,True);
822 SCVAL(cli->outbuf,smb_com,SMBtdis);
823 SSVAL(cli->outbuf,smb_tid,cli->cnum);
824 cli_setup_packet(cli);
825
826 cli_send_smb(cli);
827 if (!cli_receive_smb(cli))
828 return False;
829
830 return !cli_is_error(cli);
831 }
832
833 /****************************************************************************
834 Send a negprot command.
835 ****************************************************************************/
836
837 void cli_negprot_send(struct cli_state *cli)
838 {
839 char *p;
840 int numprots;
841
842 if (cli->protocol < PROTOCOL_NT1)
843 cli->use_spnego = False;
844
845 memset(cli->outbuf,'\0',smb_size);
846
847 /* setup the protocol strings */
848 set_message(cli->outbuf,0,0,True);
849
850 p = smb_buf(cli->outbuf);
851 for (numprots=0;
852 prots[numprots].name && prots[numprots].prot<=cli->protocol;
853 numprots++) {
854 *p++ = 2;
855 p += clistr_push(cli, p, prots[numprots].name, -1, STR_TERMINATE);
856 }
857
858 SCVAL(cli->outbuf,smb_com,SMBnegprot);
859 cli_setup_bcc(cli, p);
860 cli_setup_packet(cli);
861
862 SCVAL(smb_buf(cli->outbuf),0,2);
863
864 cli_send_smb(cli);
865 }
866
867 /****************************************************************************
868 Send a negprot command.
869 ****************************************************************************/
870
871 BOOL cli_negprot(struct cli_state *cli)
872 {
873 char *p;
874 int numprots;
875 int plength;
876
877 if (cli->sign_info.use_smb_signing) {
878 DEBUG(0, ("Cannot send negprot again, particularly after setting up SMB Signing\n"));
879 return False;
880 }
881
882 if (cli->protocol < PROTOCOL_NT1)
883 cli->use_spnego = False;
884
885 memset(cli->outbuf,'\0',smb_size);
886
887 /* setup the protocol strings */
888 for (plength=0,numprots=0;
889 prots[numprots].name && prots[numprots].prot<=cli->protocol;
890 numprots++)
891 plength += strlen(prots[numprots].name)+2;
892
893 set_message(cli->outbuf,0,plength,True);
894
895 p = smb_buf(cli->outbuf);
896 for (numprots=0;
897 prots[numprots].name && prots[numprots].prot<=cli->protocol;
898 numprots++) {
899 *p++ = 2;
900 p += clistr_push(cli, p, prots[numprots].name, -1, STR_TERMINATE);
901 }
902
903 SCVAL(cli->outbuf,smb_com,SMBnegprot);
904 cli_setup_packet(cli);
905
906 SCVAL(smb_buf(cli->outbuf),0,2);
907
908 cli_send_smb(cli);
909 if (!cli_receive_smb(cli))
910 return False;
911
912 show_msg(cli->inbuf);
913
914 if (cli_is_error(cli) ||
915 ((int)SVAL(cli->inbuf,smb_vwv0) >= numprots)) {
916 return(False);
917 }
918
919 cli->protocol = prots[SVAL(cli->inbuf,smb_vwv0)].prot;
920
921 if (cli->protocol >= PROTOCOL_NT1) {
922 /* NT protocol */
923 cli->sec_mode = CVAL(cli->inbuf,smb_vwv1);
924 cli->max_mux = SVAL(cli->inbuf, smb_vwv1+1);
925 cli->max_xmit = IVAL(cli->inbuf,smb_vwv3+1);
926 cli->sesskey = IVAL(cli->inbuf,smb_vwv7+1);
927 cli->serverzone = SVALS(cli->inbuf,smb_vwv15+1);
928 cli->serverzone *= 60;
929 /* this time arrives in real GMT */
930 cli->servertime = interpret_long_date(cli->inbuf+smb_vwv11+1);
931 cli->secblob = data_blob(smb_buf(cli->inbuf),smb_buflen(cli->inbuf));
932 cli->capabilities = IVAL(cli->inbuf,smb_vwv9+1);
933 if (cli->capabilities & CAP_RAW_MODE) {
934 cli->readbraw_supported = True;
935 cli->writebraw_supported = True;
936 }
937 /* work out if they sent us a workgroup */
938 if (!(cli->capabilities & CAP_EXTENDED_SECURITY) &&
939 smb_buflen(cli->inbuf) > 8) {
940 clistr_pull(cli, cli->server_domain,
941 smb_buf(cli->inbuf)+8, sizeof(cli->server_domain),
942 smb_buflen(cli->inbuf)-8, STR_UNICODE|STR_NOALIGN);
943 }
944
945 if ((cli->sec_mode & NEGOTIATE_SECURITY_SIGNATURES_ENABLED))
946 cli->sign_info.negotiated_smb_signing = True;
947
948 } else if (cli->protocol >= PROTOCOL_LANMAN1) {
949 cli->use_spnego = False;
950 cli->sec_mode = SVAL(cli->inbuf,smb_vwv1);
951 cli->max_xmit = SVAL(cli->inbuf,smb_vwv2);
952 cli->sesskey = IVAL(cli->inbuf,smb_vwv6);
953 cli->serverzone = SVALS(cli->inbuf,smb_vwv10);
954 cli->serverzone *= 60;
955 /* this time is converted to GMT by make_unix_date */
956 cli->servertime = make_unix_date(cli->inbuf+smb_vwv8);
957 cli->readbraw_supported = ((SVAL(cli->inbuf,smb_vwv5) & 0x1) != 0);
958 cli->writebraw_supported = ((SVAL(cli->inbuf,smb_vwv5) & 0x2) != 0);
959 cli->secblob = data_blob(smb_buf(cli->inbuf),smb_buflen(cli->inbuf));
960 } else {
961 /* the old core protocol */
962 cli->use_spnego = False;
963 cli->sec_mode = 0;
964 cli->serverzone = TimeDiff(time(NULL));
965 }
966
967 cli->max_xmit = MIN(cli->max_xmit, CLI_BUFFER_SIZE);
968
969 /* a way to force ascii SMB */
970 if (getenv("CLI_FORCE_ASCII"))
971 cli->capabilities &= ~CAP_UNICODE;
972
973 return True;
974 }
975
976 /****************************************************************************
977 Send a session request. See rfc1002.txt 4.3 and 4.3.2.
978 ****************************************************************************/
979
980 BOOL cli_session_request(struct cli_state *cli,
981 struct nmb_name *calling, struct nmb_name *called)
982 {
983 char *p;
984 int len = 4;
985 extern pstring user_socket_options;
986
987 memcpy(&(cli->calling), calling, sizeof(*calling));
988 memcpy(&(cli->called ), called , sizeof(*called ));
989
990 /* put in the destination name */
991 p = cli->outbuf+len;
992 name_mangle(cli->called .name, p, cli->called .name_type);
993 len += name_len(p);
994
995 /* and my name */
996 p = cli->outbuf+len;
997 name_mangle(cli->calling.name, p, cli->calling.name_type);
998 len += name_len(p);
999
1000 /* 445 doesn't have session request */
1001 if (cli->port == 445)
1002 return True;
1003
1004 if (cli->sign_info.use_smb_signing) {
1005 DEBUG(0, ("Cannot send session resquest again, particularly after setting up SMB Signing\n"));
1006 return False;
1007 }
1008
1009 /* send a session request (RFC 1002) */
1010 /* setup the packet length
1011 * Remove four bytes from the length count, since the length
1012 * field in the NBT Session Service header counts the number
1013 * of bytes which follow. The cli_send_smb() function knows
1014 * about this and accounts for those four bytes.
1015 * CRH.
1016 */
1017 len -= 4;
1018 _smb_setlen(cli->outbuf,len);
1019 SCVAL(cli->outbuf,0,0x81);
1020
1021 cli_send_smb(cli);
1022 DEBUG(5,("Sent session request\n"));
1023
1024 if (!cli_receive_smb(cli))
1025 return False;
1026
1027 if (CVAL(cli->inbuf,0) == 0x84) {
1028 /* C. Hoch 9/14/95 Start */
1029 /* For information, here is the response structure.
1030 * We do the byte-twiddling to for portability.
1031 struct RetargetResponse{
1032 unsigned char type;
1033 unsigned char flags;
1034 int16 length;
1035 int32 ip_addr;
1036 int16 port;
1037 };
1038 */
1039 int port = (CVAL(cli->inbuf,8)<<8)+CVAL(cli->inbuf,9);
1040 /* SESSION RETARGET */
1041 putip((char *)&cli->dest_ip,cli->inbuf+4);
1042
1043 cli->fd = open_socket_out(SOCK_STREAM, &cli->dest_ip, port, LONG_CONNECT_TIMEOUT);
1044 if (cli->fd == -1)
1045 return False;
1046
1047 DEBUG(3,("Retargeted\n"));
1048
1049 set_socket_options(cli->fd,user_socket_options);
1050
1051 /* Try again */
1052 {
1053 static int depth;
1054 BOOL ret;
1055 if (depth > 4) {
1056 DEBUG(0,("Retarget recursion - failing\n"));
1057 return False;
1058 }
1059 depth++;
1060 ret = cli_session_request(cli, calling, called);
1061 depth--;
1062 return ret;
1063 }
1064 } /* C. Hoch 9/14/95 End */
1065
1066 if (CVAL(cli->inbuf,0) != 0x82) {
1067 /* This is the wrong place to put the error... JRA. */
1068 cli->rap_error = CVAL(cli->inbuf,4);
1069 return False;
1070 }
1071 return(True);
1072 }
1073
1074 /****************************************************************************
1075 Open the client sockets.
1076 ****************************************************************************/
1077
1078 BOOL cli_connect(struct cli_state *cli, const char *host, struct in_addr *ip)
1079 {
1080 extern pstring user_socket_options;
1081 int name_type = 0x20;
1082 char *p;
1083
1084 /* reasonable default hostname */
1085 if (!host) host = "*SMBSERVER";
1086
1087 fstrcpy(cli->desthost, host);
1088
1089 /* allow hostnames of the form NAME#xx and do a netbios lookup */
1090 if ((p = strchr(cli->desthost, '#'))) {
1091 name_type = strtol(p+1, NULL, 16);
1092 *p = 0;
1093 }
1094
1095 if (!ip || is_zero_ip(*ip)) {
1096 if (!resolve_name(cli->desthost, &cli->dest_ip, name_type)) {
1097 return False;
1098 }
1099 if (ip) *ip = cli->dest_ip;
1100 } else {
1101 cli->dest_ip = *ip;
1102 }
1103
1104 if (getenv("LIBSMB_PROG")) {
1105 cli->fd = sock_exec(getenv("LIBSMB_PROG"));
1106 } else {
1107 /* try 445 first, then 139 */
1108 int port = cli->port?cli->port:445;
1109 cli->fd = open_socket_out(SOCK_STREAM, &cli->dest_ip,
1110 port, cli->timeout);
1111 if (cli->fd == -1 && cli->port == 0) {
1112 port = 139;
1113 cli->fd = open_socket_out(SOCK_STREAM, &cli->dest_ip,
1114 port, cli->timeout);
1115 }
1116 if (cli->fd != -1)
1117 cli->port = port;
1118 }
1119 if (cli->fd == -1) {
1120 DEBUG(1,("Error connecting to %s (%s)\n",
1121 ip?inet_ntoa(*ip):host,strerror(errno)));
1122 return False;
1123 }
1124
1125 set_socket_options(cli->fd,user_socket_options);
1126
1127 return True;
1128 }
1129
1130 /****************************************************************************
1131 Initialise client credentials for authenticated pipe access.
1132 ****************************************************************************/
1133
1134 static void init_creds(struct ntuser_creds *creds, char* username,
1135 char* domain, char* password)
1136 {
1137 ZERO_STRUCTP(creds);
1138
1139 pwd_set_cleartext(&creds->pwd, password);
1140
1141 fstrcpy(creds->user_name, username);
1142 fstrcpy(creds->domain, domain);
1143
1144 if (!*username) {
1145 creds->pwd.null_pwd = True;
1146 }
1147 }
1148
1149 /**
1150 establishes a connection right up to doing tconX, password specified.
1151 @param output_cli A fully initialised cli structure, non-null only on success
1152 @param dest_host The netbios name of the remote host
1153 @param dest_ip (optional) The the destination IP, NULL for name based lookup
1154 @param port (optional) The destination port (0 for default)
1155 @param service (optional) The share to make the connection to. Should be 'unqualified' in any way.
1156 @param service_type The 'type' of serivice.
1157 @param user Username, unix string
1158 @param domain User's domain
1159 @param password User's password, unencrypted unix string.
1160 */
1161
1162 NTSTATUS cli_full_connection(struct cli_state **output_cli,
1163 const char *my_name,
1164 const char *dest_host,
1165 struct in_addr *dest_ip, int port,
1166 char *service, char *service_type,
1167 char *user, char *domain,
1168 char *password, int flags)
1169 {
1170 struct ntuser_creds creds;
1171 NTSTATUS nt_status;
1172 struct nmb_name calling;
1173 struct nmb_name called;
1174 struct cli_state *cli;
1175 struct in_addr ip;
1176 extern pstring global_myname;
1177
1178 if (!my_name)
1179 my_name = global_myname;
1180
1181 if (!(cli = cli_initialise(NULL)))
1182 return NT_STATUS_NO_MEMORY;
1183
1184 make_nmb_name(&calling, my_name, 0x0);
1185 make_nmb_name(&called , dest_host, 0x20);
1186
1187 if (cli_set_port(cli, port) != port) {
1188 cli_shutdown(cli);
1189 return NT_STATUS_UNSUCCESSFUL;
1190 }
1191
1192 if (dest_ip)
1193 ip = *dest_ip;
1194 else
1195 ZERO_STRUCT(ip);
1196
1197 again:
1198
1199 DEBUG(3,("Connecting to host=%s share=%s\n", dest_host, service));
1200
1201 if (!cli_connect(cli, dest_host, &ip)) {
1202 DEBUG(1,("cli_full_connection: failed to connect to %s (%s)\n",
1203 nmb_namestr(&called), inet_ntoa(ip)));
1204 cli_shutdown(cli);
1205 return NT_STATUS_UNSUCCESSFUL;
1206 }
1207
1208 if (!cli_session_request(cli, &calling, &called)) {
1209 char *p;
1210 DEBUG(1,("session request to %s failed (%s)\n",
1211 called.name, cli_errstr(cli)));
1212 if ((p=strchr(called.name, '.')) && !is_ipaddress(called.name)) {
1213 *p = 0;
1214 goto again;
1215 }
1216 if (strcmp(called.name, "*SMBSERVER")) {
1217 make_nmb_name(&called , "*SMBSERVER", 0x20);
1218 goto again;
1219 }
1220 return NT_STATUS_UNSUCCESSFUL;
1221 }
1222
1223 if (flags & CLI_FULL_CONNECTION_DONT_SPNEGO)
1224 cli->use_spnego = False;
1225 else if (flags & CLI_FULL_CONNECTION_USE_KERBEROS)
1226 cli->use_kerberos = True;
1227
1228 if (!cli_negprot(cli)) {
1229 DEBUG(1,("failed negprot\n"));
1230 nt_status = NT_STATUS_UNSUCCESSFUL;
1231 cli_shutdown(cli);
1232 return nt_status;
1233 }
1234
1235 if (!cli_session_setup(cli, user, password, strlen(password)+1,
1236 password, strlen(password)+1,
1237 domain)) {
1238 if ((flags & CLI_FULL_CONNECTION_ANNONYMOUS_FALLBACK)
1239 && cli_session_setup(cli, "", "", 0, "", 0, domain)) {
1240 } else {
1241 nt_status = cli_nt_error(cli);
1242 DEBUG(1,("failed session setup with %s\n", nt_errstr(nt_status)));
1243 cli_shutdown(cli);
1244 if (NT_STATUS_IS_OK(nt_status))
1245 nt_status = NT_STATUS_UNSUCCESSFUL;
1246 return nt_status;
1247 }
1248 }
1249
1250 if (service) {
1251 if (!cli_send_tconX(cli, service, service_type,
1252 (char*)password, strlen(password)+1)) {
1253 DEBUG(1,("failed tcon_X with %s\n", nt_errstr(nt_status)));
1254 nt_status = cli_nt_error(cli);
1255 cli_shutdown(cli);
1256 if (NT_STATUS_IS_OK(nt_status)) {
1257 nt_status = NT_STATUS_UNSUCCESSFUL;
1258 }
1259 return nt_status;
1260 }
1261 }
1262
1263 init_creds(&creds, user, domain, password);
1264 cli_init_creds(cli, &creds);
1265
1266 *output_cli = cli;
1267 return NT_STATUS_OK;
1268 }
1269
1270 /****************************************************************************
1271 Attempt a NetBIOS session request, falling back to *SMBSERVER if needed.
1272 ****************************************************************************/
1273
1274 BOOL attempt_netbios_session_request(struct cli_state *cli, char *srchost, char *desthost,
1275 struct in_addr *pdest_ip)
1276 {
1277 struct nmb_name calling, called;
1278
1279 make_nmb_name(&calling, srchost, 0x0);
1280
1281 /*
1282 * If the called name is an IP address
1283 * then use *SMBSERVER immediately.
1284 */
1285
1286 if(is_ipaddress(desthost))
1287 make_nmb_name(&called, "*SMBSERVER", 0x20);
1288 else
1289 make_nmb_name(&called, desthost, 0x20);
1290
1291 if (!cli_session_request(cli, &calling, &called)) {
1292 struct nmb_name smbservername;
1293
1294 make_nmb_name(&smbservername , "*SMBSERVER", 0x20);
1295
1296 /*
1297 * If the name wasn't *SMBSERVER then
1298 * try with *SMBSERVER if the first name fails.
1299 */
1300
1301 if (nmb_name_equal(&called, &smbservername)) {
1302
1303 /*
1304 * The name used was *SMBSERVER, don't bother with another name.
1305 */
1306
1307 DEBUG(0,("attempt_netbios_session_request: %s rejected the session for name *SMBSERVER \
1308 with error %s.\n", desthost, cli_errstr(cli) ));
1309 return False;
1310 }
1311
1312 /*
1313 * We need to close the connection here but can't call cli_shutdown as
1314 * will free an allocated cli struct. cli_close_connection was invented
1315 * for this purpose. JRA. Based on work by "Kim R. Pedersen" <krp@filanet.dk>.
1316 */
1317
1318 cli_close_connection(cli);
1319
1320 if (!cli_initialise(cli) ||
1321 !cli_connect(cli, desthost, pdest_ip) ||
1322 !cli_session_request(cli, &calling, &smbservername)) {
1323 DEBUG(0,("attempt_netbios_session_request: %s rejected the session for \
1324 name *SMBSERVER with error %s\n", desthost, cli_errstr(cli) ));
1325 return False;
1326 }
1327 }
1328
1329 return True;
1330 }
WIP